data.json

{"stars":[["Zeta Puppis (Naos)","O",4,"Ia","Puppis","1,080","A blue supergiant near 40,000 K, blazing with the raw ultraviolet fury only the rarest stars manage."],["Plaskett's Star","O",7.5,"I","Monoceros","6,600","One of the most massive binaries known, two giant O stars whirling around their common center."],["Theta¹ Orionis C","O",7,"V","Orion","1,500","The powerhouse of the Trapezium, lighting and sculpting the whole Orion Nebula."],["Mintaka","O",9.5,"II","Orion","1,200","The western star of Orion's Belt, a multiple system sitting almost exactly on the celestial equator."],["Alnitak","O",9.5,"Ib","Orion","1,260","The easternmost star of Orion's Belt, a hot triple system anchoring the Flame Nebula."],["Sigma Orionis","O",9.5,"V","Orion","1,150","A young multiple system whose fierce light carves the nearby Horsehead Nebula."],["Alnilam","B",0,"Ia","Orion","1,340","The central jewel of Orion's Belt, shining through a shell of gas it has boiled off itself."],["Saiph","B",0.5,"Ia","Orion","650","Orion's knee, as luminous as Rigel but so hot that much of its light escapes as ultraviolet."],["Alnair","B",6,"V","Grus","101","The bright blue heart of the Crane, spinning fast and flattened at its poles."],["Rigel","B",8,"Ia","Orion","860","A blue supergiant roughly 120,000 times the Sun's luminosity; Orion's brightest star despite the name."],["Hadar (Beta Centauri)","B",1,"III","Centaurus","390","A brilliant blue giant triple that helps point the way to the Southern Cross."],["Bellatrix","B",2,"III","Orion","250","The 'Amazon star' at Orion's shoulder, hot enough to glow distinctly blue-white."],["Achernar","B",6,"V","Eridanus","139","The flattest known star, spinning so fast its equator bulges a third wider than its poles."],["Regulus","B",7,"V","Leo","79","Spinning near break-up speed, it bulges at the equator and is measurably cooler there."],["Alcyone","B",7,"III","Taurus","440","The brightest of the Pleiades, a hot blue giant still wrapped in the cluster's leftover haze."],["Algol","B",8,"V","Perseus","90","The 'Demon Star', whose light visibly drops every few days as a dim companion eclipses it."],["Elnath","B",7,"III","Taurus","134","The tip of the Bull's northern horn, shared on old charts with the charioteer Auriga."],["Spica","B",1,"IV","Virgo","250","A pair of hot blue stars orbiting so close they've pulled each other into eggs."],["Deneb","A",2,"Ia","Cygnus","1,550","A blue-white supergiant among the most luminous stars the eye can see, the tail of the Swan."],["Vega","A",0,"V","Lyra","25","The original zero-point of the brightness scale, and a former and future pole star."],["Sirius","A",1,"V","Canis Major","8.6","The brightest star in Earth's night sky, with a white-dwarf companion barely the size of a planet."],["Castor","A",1,"V","Gemini","51","Looks like a single star but is really six stars bound in one gravitational braid."],["Fomalhaut","A",3,"V","Piscis Austrinus","25","A young white star girdled by a sharp-edged ring of icy debris, a solar system caught mid-construction."],["Denebola","A",3,"V","Leo","36","The lion's tail, a young white star wrapped in a disk of warm dust."],["Altair","A",7,"V","Aquila","16.7","It whirls around in about nine hours, flattening itself into a visible oval."],["Alderamin","A",7,"IV","Cepheus","49","A fast-spinning star that precession will crown as the North Star again in a few thousand years."],["Wezen","F",8,"Ia","Canis Major","1,600","A yellow-white supergiant so large that in the Sun's place it would nearly reach Earth's orbit."],["Sadr","F",8,"Iab","Cygnus","1,800","The heart of the Northern Cross, embedded in a glowing field of nebulosity."],["Mirfak","F",5,"Ib","Perseus","510","The luminous heart of Perseus, a yellow supergiant leading a scattered stream of sibling stars."],["Canopus","F",0,"II","Carina","310","The sky's second-brightest star and a favorite navigation beacon for spacecraft."],["Polaris","F",7,"Ib","Ursa Minor","433","The North Star, a pulsing Cepheid that breathes on a four-day rhythm."],["Procyon","F",5,"IV","Canis Minor","11.5","The eighth-brightest star, quietly circled by its own dim white dwarf."],["Caph","F",2,"III","Cassiopeia","54","A corner of Cassiopeia's W, gently pulsing in brightness a few times an hour."],["Porrima","F",0,"V","Virgo","38","A close pair of near-twin stars tracing a slow 169-year orbit around each other."],["The Sun","G",2,"V","—","0.0","Our home star: 5,772 K, 4.6 billion years old, and the reason any of this matters to us."],["Alpha Centauri A","G",2,"V","Centaurus","4.37","The Sun's near-twin, and part of the closest star system to home."],["51 Pegasi","G",2,"V","Pegasus","50","The first Sun-like star found with a planet, the discovery that opened the exoplanet era."],["Tau Ceti","G",8,"V","Cetus","11.9","A calm, Sun-like neighbor long favoured by anyone dreaming of another Earth."],["Capella","G",3,"III","Auriga","43","Looks like one golden star but is really two giant G-types locked in a tight waltz."],["Beta Hydri","G",2,"IV","Hydrus","24","An ageing near-twin of the Sun that shows us roughly how our own star will look in the future."],["Mu Herculis","G",5,"IV","Hercules","27","A nearby subgiant just beginning to swell as it leaves its Sun-like middle age."],["Alpha Centauri B","K",1,"V","Centaurus","4.37","The Sun's quiet orange neighbor, sharing a system with Proxima."],["Epsilon Eridani","K",2,"V","Eridanus","10.5","One of the nearest Sun-like stars, young and ringed by belts of asteroids and comets."],["Epsilon Indi","K",5,"V","Indus","11.9","A nearby orange dwarf trailed by a pair of cold brown dwarfs far out in its system."],["61 Cygni","K",5,"V","Cygnus","11.4","The first star ever to have its distance measured, by its tiny yearly shift against the sky."],["Pollux","K",0,"III","Gemini","34","The nearest giant star to us, with a confirmed planet larger than Jupiter."],["Arcturus","K",1.5,"III","Boötes","36.7","An ancient orange giant streaking through the galaxy at an unusual angle."],["Dubhe","K",0,"III","Ursa Major","123","The leading Pointer of the Big Dipper, aiming the eye toward Polaris."],["Hamal","K",2,"III","Aries","66","The brightest star of the Ram, an orange giant with a known planet."],["Aldebaran","K",5,"III","Taurus","65","The fiery orange eye of Taurus the Bull, glaring out past the Hyades cluster."],["Kochab","K",4,"III","Ursa Minor","131","A guardian of the pole, it served as the North Star in the era of the ancient Greeks."],["Enif","K",2,"Ib","Pegasus","690","The nose of Pegasus, an orange supergiant prone to sudden, dramatic outbursts of light."],["Betelgeuse","M",1,"Ia","Orion","550","A red supergiant so vast that in the Sun's place it would engulf the orbit of Mars and swell out into the asteroid belt; it startled everyone by dimming in 2019."],["Mu Cephei","M",2,"Ia","Cepheus","3,000","Herschel's 'Garnet Star', one of the largest and reddest stars visible to the naked eye."],["Antares","M",1.5,"Ib","Scorpius","550","The 'heart of the Scorpion,' a red supergiant that rivals Mars in color and name."],["Ras Algethi","M",5,"II","Hercules","360","The 'kneeler's head', a bloated red bright-giant wide enough to engulf the orbit of Mars."],["Scheat","M",2,"II","Pegasus","196","A cool red giant marking a corner of the Great Square of Pegasus."],["Gacrux","M",3.5,"III","Crux","88","The nearest red giant to us, marking the top of the Southern Cross."],["Menkar","M",1.5,"III","Cetus","250","A cool red giant in the sea-monster's jaw, often used to show off a star's true color."],["Mira","M",7,"III","Cetus","300","A pulsating red giant that swings some 1,500-fold in brightness, vanishing and returning to the eye."],["Lalande 21185","M",2,"V","Ursa Major","8.3","One of the nearest stars, a quiet red dwarf with at least one planet tugging on it."],["Barnard's Star","M",4,"V","Ophiuchus","5.96","A dim red dwarf with the fastest apparent motion of any star across our sky."],["Wolf 359","M",6,"V","Leo","7.9","One of the faintest and nearest stars, a tiny flare star barely holding itself together by fusion."],["Proxima Centauri","M",5.5,"V","Centaurus","4.24","The closest star to the Sun, tending a temperate world named Proxima b."],["TRAPPIST-1","M",8,"V","Aquarius","40","An ultra-cool dwarf barely larger than Jupiter, cradling seven Earth-sized planets."],["Luhman 16","L",7.5,"V","Vela","6.5","The nearest brown dwarfs to the Sun, a tumbling pair of failed stars banded with clouds like a tiny gas giant."],["2MASS 0523−1403","L",2.5,"V","Lepus","40","About the smallest, coolest object that still counts as a true star rather than a brown dwarf."],["DENIS 0255−4700","L",8,"V","Caelum","16","One of the nearest L dwarfs, so cool its atmosphere may rain hot minerals and iron."],["Gliese 229 B","T",7,"V","Lepus","19","The first confirmed methane brown dwarf, a feeble companion to a red dwarf and cooler than a candle flame."],["Epsilon Indi Ba","T",1,"V","Indus","11.9","One of a pair of brown dwarfs orbiting far from the nearby star Epsilon Indi."],["WISE 0855−0714","Y",4,"V","Hydra","7.4","The coldest object of its kind ever found, near 250 K and cold enough for water-ice clouds, drifting alone."],["WISE 1828+2650","Y",2,"V","Lyra","~47","An extraordinarily cold brown dwarf, roughly room temperature, glowing only in the far infrared."],["Zeta Persei","B",1,"Ib","Perseus","750","A blue supergiant blazing tens of thousands of times brighter than the Sun in the heart of Perseus the Hero."],["Alkaid","B",3,"V","Ursa Major","104","The searing blue star at the very tip of the Big Dipper's handle, and one of the anchor points that define the whole classification system."],["Homam","B",8.5,"V","Pegasus","204","A hot blue main-sequence star in the wing of Pegasus, shining more than two hundred times as brightly as the Sun."],["Sualocin","B",9,"V","Delphinus","254","A blue star in the little dolphin Delphinus whose name is 'Nicolaus' spelled backward, a sly signature slipped in by a 19th-century astronomer."],["Zosma","A",4,"V","Leo","58","The white star marking the hip of Leo the Lion, spinning fast and pouring out fifteen times the light of the Sun."],["Sheratan","A",5,"V","Aries","59","A white star in Aries that ancient skywatchers used with Hamal to mark the spring equinox, now known to hide a close companion."],["Alpha Pictoris","A",8,"V","Pictor","97","The brightest star in the faint constellation of the Painter's Easel, spinning so fast it has flung a shell of gas around itself."],["78 Ursae Majoris","F",2,"V","Ursa Major","81","A yellow-white star riding inside the bowl of the Big Dipper, used by astronomers as a benchmark for its exact spectral type."],["Tabit","F",6,"V","Orion","26","A nearby yellow-white star that Orion the Hunter holds up as his shield against the charging Bull."],["Chi Draconis","F",7,"V","Draco","26","A close Sun-like pair only twenty-six light-years away, coiled among the faint stars of Draco the Dragon."],["Zavijava","F",9,"V","Virgo","36","A Sun-like star in Virgo lying so near the ecliptic that the Moon occasionally slides in front of it."],["Beta Comae Berenices","G",0,"V","Coma Berenices","30","A near twin of the Sun just thirty light-years away, glowing in the faint constellation named for a queen's braided hair."],["16 Cygni A","G",1.5,"V","Cygnus","69","One of a pair of Sun-like stars in Cygnus whose steady light let astronomers listen to starquakes ringing deep inside it."],["16 Cygni B","G",3,"V","Cygnus","69","The Sun-like companion in the 16 Cygni system, orbited by a giant planet on a wildly stretched, comet-like path."],["Nu2 Lupi","G",4,"V","Lupus","48","A quiet, ancient star in Lupus the Wolf, circled by three small planets including one caught crossing its face."],["Kappa Ceti","G",5,"V","Cetus","30","A young, stormy version of our own Sun whose powerful flares hint at what our star looked like when Earth was forming."],["61 Virginis","G",7,"V","Virgo","28","A near-perfect chemical match to the Sun, slightly cooler and orbited by a family of super-Earths."],["Vindemiatrix","G",8,"III","Virgo","110","A swollen yellow giant in Virgo whose name means the grape-gatherer, for it once rose at dawn to signal the wine harvest."],["Mebsuta","G",8,"Ib","Gemini","840","A yellow supergiant so vast that, in the Sun's place, it would swallow the orbit of Mercury, glowing in the outstretched foot of Gemini."],["Alsafi","G",9,"V","Draco","19","A nearby orange-yellow dwarf in Draco, one of the oldest and calmest Sun-like stars in our whole neighborhood."],["Keid","K",0.5,"V","Eridanus","16","An orange dwarf circled by one of the first white dwarfs ever found, and in Star Trek the home sun of Spock's planet Vulcan."],["HD 219134","K",3,"V","Cassiopeia","21","A close orange star in Cassiopeia whose rocky super-Earths were caught passing across its face, letting us weigh and measure them."],["Almach","K",3,"II","Andromeda","390","A golden bright-giant in Andromeda that splits in a telescope into one of the sky's most beautiful gold-and-blue double stars."],["Fomalhaut B","K",4,"V","Piscis Austrinus","25","A restless orange dwarf drifting nearly a light-year from brilliant Fomalhaut, bound to it in one of the widest known stellar pairings."],["Groombridge 1618","K",7.5,"V","Ursa Major","16","A nearby orange dwarf in Ursa Major, prone to sudden flares that briefly brighten its cool, ruddy light."],["Lacaille 8760","M",0,"V","Microscopium","13","The brightest red dwarf in Earth's sky, a flaring ember drifting through the little constellation of the Microscope."],["Mirach","M",0,"III","Andromeda","197","A cool red giant used as a fixed anchor of the classification system, with a faint ghostly galaxy hovering beside it in our sky."],["Gliese 15 A","M",1.5,"V","Andromeda","12","A nearby red dwarf in Andromeda, flickering with flares and cradling at least one small planet."],["119 Tauri","M",2,"Iab","Taurus","1,800","One of the reddest stars visible to the naked eye, a colossal red supergiant in Taurus nicknamed the Ruby Star."],["Gliese 581","M",3,"V","Libra","20","A calm red dwarf in Libra made famous by a planet-hunting saga that sparked worldwide dreams of habitable worlds."],["Ross 128","M",4,"V","Virgo","11","One of the quietest red dwarfs known, just eleven light-years away and gently warming a temperate, Earth-sized planet."],["Teegarden's Star","M",7,"V","Aries","12","A tiny, ultra-cool red dwarf so dim it went unnoticed until 2003, yet it hosts a pair of possibly Earth-like planets."],["Kelu-1","L",2,"V","Hydra","61","One of the first free-floating brown dwarfs ever found, a dim reddish orb in Hydra that later proved to be two failed stars in orbit."],["DENIS 1058-1548","L",3,"V","Crater","57","A cloudy brown dwarf in Crater whose light flickers as bands of hot mineral clouds rotate across its face."],["GD 165 B","L",4,"V","Boötes","109","The very first L-type object ever discovered, a dusty brown dwarf orbiting the dead white dwarf star GD 165 in Boötes."],["2MASS 1507-1627","L",5,"V","Libra","24","One of the closest and best-studied brown dwarfs, a warm, cloudy world drifting through Libra."],["SIMP 0136","T",2.5,"V","Pisces","20","A young, planet-mass drifter in Pisces with swirling weather, so light it blurs the line between brown dwarf and rogue planet."],["Gliese 570 D","T",7.5,"V","Libra","19","A frigid brown dwarf trailing far behind a triple star, once the coldest such object known at a chilly 500 degrees."],["2MASS 0415-0935","T",8,"V","Eridanus","19","A benchmark methane brown dwarf in Eridanus, cold enough that water vapor begins to shape its faint infrared glow."],["UGPS 0722-0540","T",9,"V","Monoceros","13","One of the coldest brown dwarfs near the Sun, a Jupiter-sized ember only thirteen light-years away in Monoceros."],["WISE 0359-5401","Y",0,"V","Reticulum","44","A dim, frigid Y-dwarf in Reticulum, the first of its ultra-cold class to have its full glow mapped by the James Webb telescope."],["WISE 0350-5658","Y",1,"V","Reticulum","18","A profoundly cold brown dwarf glowing at only a few hundred degrees, hiding just eighteen light-years from the Sun."],["HD 93129A","O",2,"Ia","Carina","~7,500","It is the prototype of the O2 supergiant class and one of the hottest, most luminous stars known in our galaxy."],["Cygnus OB2-7","O",3,"Ia","Cygnus","~5,500","This O3 supergiant is one of the most massive members of the giant Cygnus OB2 star cluster."],["HD 93250","O",4,"III","Carina","~7,900","One of the brightest X-ray stars in the Carina Nebula, it belongs to the young cluster Trumpler 16."],["HD 15558","O",5.5,"III","Cassiopeia","~3,400","This massive O-type giant lies inside the Heart Nebula cluster IC 1805 in Cassiopeia."],["HD 152233","O",6,"II","Scorpius","~5,300","An O-type bright giant in the young star cluster NGC 6231 in Scorpius."],["Lambda Cephei","O",6.5,"Iab","Cepheus","~1,980","A runaway supergiant that was flung out of its birth cluster and now races alone through space."],["Xi Persei","O",7.5,"III","Perseus","~1,200","Also called Menkib, it is a runaway giant and one of the hottest stars visible to the naked eye."],["Meissa","O",8,"III","Orion","~1,100","Marking the head of Orion the Hunter, Meissa is a hot blue giant with a fainter companion."],["63 Ophiuchi","O",8,"II","Ophiuchus","~3,500","A rare magnetic O-type bright giant in the constellation Ophiuchus."],["Iota Orionis","O",9,"III","Orion","~2,300","Named Hatysa, it is the brightest star in the Sword of Orion hanging below the famous Belt."],["Tau Canis Majoris","O",9,"II","Canis Major","~5,000","The brightest star in the open cluster NGC 2362, it is a hot blue bright giant."],["Alpha Camelopardalis","O",9.5,"Ia","Camelopardalis","~6,000","This distant runaway supergiant drives a bright bow shock as it plows through space."],["HD 188209","O",9.5,"Iab","Cygnus","~3,600","A blue supergiant in Cygnus used by astronomers as a spectral standard star."],["Mu Normae","O",9.7,"Iab","Norma","~4,600","One of the most luminous stars in the sky, shining hundreds of thousands of times brighter than the Sun."],["HD 64568","O",3,"V","Puppis","~15,000","It is the primary MK standard star that defines the O3 V spectral type, ionizing a nebula in Puppis."],["HD 46223","O",4,"V","Monoceros","~5,000","It is one of the two hottest stars lighting up the Rosette Nebula and a standard for the O4 V type."],["HD 46150","O",5,"V","Monoceros","~5,000","This O5 dwarf sits at the heart of cluster NGC 2244 and helps carve out the Rosette Nebula."],["HD 101190","O",6,"V","Centaurus","~10,000","It serves as the spectral standard for the O6 V type and lies in the Running Chicken Nebula region."],["HD 199579","O",6.5,"V","Cygnus","~2,000","A hot main-sequence dwarf lying toward the North America Nebula complex in Cygnus."],["HD 46149","O",8,"V","Monoceros","~5,000","It is the MK standard for the O8 V type and a member of the Rosette cluster NGC 2244."],["10 Lacertae","O",9,"V","Lacerta","~1,800","This blue dwarf has anchored the O9 V spectral class since the earliest days of stellar classification."],["HD 46966","O",8.5,"IV","Monoceros","~5,000","It is the spectral standard for the O8.5 IV subgiant type in the Monoceros OB2 association."],["Zeta Ophiuchi","O",9.2,"IV","Ophiuchus","~366","It is the nearest O-type star to the Sun, a fast-spinning runaway plowing a glowing bow shock through interstellar gas."],["HD 207538","O",9.7,"IV","Cepheus","~2,740","An O-type subgiant in the Cepheus OB2 association that serves as the O9.7 IV standard."],["Tau Scorpii","B",0.2,"V","Scorpius","~470","A slowly rotating B0 dwarf whose surface magnetic field has been mapped in fine detail."],["Dschubba","B",0.3,"IV","Scorpius","~490","This blue subgiant unexpectedly brightened and grew a gas disk around the year 2000."],["Gamma Cassiopeiae","B",0.5,"IV","Cassiopeia","~550","It was the first Be star ever recognized, marked by emission from a surrounding disk of gas."],["Omega1 Scorpii","B",1,"V","Scorpius","~470","A B1 main-sequence standard star that lies near Antares in the head of the Scorpion."],["Algenib","B",2,"IV","Pegasus","~390","A pulsating Beta Cephei variable marking one corner of the Great Square of Pegasus."],["Nunki","B",2.5,"V","Sagittarius","~225","The second brightest star in Sagittarius, sitting in the handle of the Teapot asterism."],["Iota Herculis","B",3,"IV","Hercules","~455","A B3 subgiant used as an abundance standard for stars of its type."],["Tau Herculis","B",5,"IV","Hercules","~310","It was the North Pole star around 7400 BC and will hold that role again far in the future."],["Pi Andromedae","B",5,"V","Andromeda","~590","A blue-white B5 dwarf that is actually a close spectroscopic binary."],["Merope","B",6,"IV","Taurus","~440","This Pleiades subgiant lights up the surrounding Merope Nebula with reflected starlight."],["Celaeno","B",7,"IV","Taurus","~430","One of the Seven Sisters of the Pleiades, it is sometimes called the Lost Pleiad."],["Pleione","B",8,"IV","Taurus","~392","A Be star at the edge of the Pleiades that periodically sheds a disk of gas."],["Kappa Cassiopeiae","B",0.7,"Ia","Cassiopeia","~4,000","A runaway blue supergiant racing through space fast enough to light up a glowing bow shock captured by the Spitzer telescope."],["Rho Leonis","B",1,"Iab","Leo","~2,900","A distant blue supergiant in the Sickle of Leo that will likely end its life as a supernova."],["Zeta1 Scorpii","B",1.5,"Ia","Scorpius","~5,700","One of the most luminous blue hypergiants known in our galaxy, shining with strong stellar winds."],["Chi2 Orionis","B",2,"Ia","Orion","~5,300","This blue supergiant serves as the standard star that defines the B2 Ia spectral class."],["55 Cygni","B",3,"Ia","Cygnus","~2,700","A pulsating blue supergiant long used as the reference standard for the B3 Ia type."],["Aludra","B",5,"Ia","Canis Major","~2,000","A blue supergiant marking the tail of the Big Dog, roughly 100,000 times as luminous as the Sun."],["69 Cygni","B",0,"Ib","Cygnus","~9,000","A remote blue supergiant and pulsating variable star in the constellation of the Swan."],["9 Cephei","B",2,"Ib","Cepheus","~4,500","A blue supergiant that slowly pulsates, cataloged as the variable star V337 Cephei."],["Iota Canis Majoris","B",3,"Ib","Canis Major","~3,100","A variable blue supergiant lying near the back of the Big Dog."],["Mirzam","B",1,"II","Canis Major","~500","A pulsating blue bright giant whose name means the announcer because it rises just before Sirius."],["Electra","B",6,"III","Taurus","~440","One of the Seven Sisters of the Pleiades, a fast-spinning blue giant."],["Maia","B",8,"III","Taurus","~360","A blue giant of the Pleiades cluster wrapped in a faint reflection nebula."],["Sulafat","B",9,"III","Lyra","~620","The second brightest star in Lyra, a blue giant near brilliant Vega."],["Chertan (Theta Leonis)","A",2,"V","Leo","165","It is a metallic-line A-type main-sequence star marking the hip of the Lion."],["Beta Pictoris","A",6,"V","Pictor","~63","This young dwarf hosts a famous edge-on debris disk and at least two directly imaged giant planets."],["44 Ceti","A",9,"V","Cetus","220","It is used as one of the MK spectral standard stars that define the A9 V class."],["Markab (Alpha Pegasi)","A",0,"IV","Pegasus","133","This blue-white subgiant marks the southwestern corner of the Great Square of Pegasus."],["Menkalinan (Beta Aurigae)","A",1,"IV","Auriga","81","It is an eclipsing binary of two nearly identical A-type subgiants that orbit each other every four days."],["Miaplacidus (Beta Carinae)","A",2,"IV","Carina","113","It is the second brightest star in the southern constellation Carina."],["Sarin (Delta Herculis)","A",3,"IV","Hercules","75","This white subgiant lies only about 75 light-years away in the constellation Hercules."],["8 Aquarii","A",4,"IV","Aquarius","~298","This faint blue-white subgiant in Aquarius carries the borderline classification A3 to A4 IV."],["Ruchbah (Delta Cassiopeiae)","A",5,"IV","Cassiopeia","99","It is an eclipsing binary forming one point of Cassiopeia's distinctive W shape."],["Upsilon Andromedae","F",8,"V","Andromeda","44","Formally named Titawin, it hosts a system of at least three known planets."],["Sigma Bootis","F",4,"V","Bootes","51","A metal-weak yellow-white dwarf formally named Genghe, about 51 light-years away."],["Eta Arietis","F",5,"V","Aries","94","A yellow-white dwarf in the Ram, a little hotter and larger than the Sun."],["Gamma Doradus","F",1,"V","Dorado","67","It is the prototype for the Gamma Doradus class of pulsating variable stars."],["Tabby's Star (KIC 8462852)","F",3,"V","Cygnus","1,470","Famous for mysterious, irregular dips in brightness first noticed by citizen scientists."],["Upsilon Ursae Majoris","F",2,"IV","Ursa Major","246","A subgiant and Delta Scuti pulsating variable in the Great Bear."],["Alpha Fornacis","F",8,"IV","Fornax","46","Named Dalim, it is the brightest star in the faint constellation Fornax."],["Alpha Hydri","F",0,"IV","Hydrus","72","This subgiant marks the head of Hydrus, near the bright star Achernar."],["Thuban","A",0,"III","Draco","~300","Thuban was Earth's north pole star around 3000 BC and today serves as a spectral standard for the A0 III giant class."],["Miaplacidus","A",1,"III","Carina","~113","Miaplacidus is the second brightest star in Carina and an evolved white giant anchoring one corner of the Diamond Cross asterism."],["Rasalhague","A",5,"III","Ophiuchus","~49","Rasalhague marks the head of Ophiuchus the Serpent Bearer and spins so fast it is squashed into an oval shape."],["Seginus","A",7,"III","Bootes","~87","Seginus is a white giant that marks the left shoulder of Bootes the Herdsman."],["Gamma Herculis","A",9,"III","Hercules","~193","Gamma Herculis is a white giant that has swelled to roughly six times the Sun's radius after using up its core hydrogen."],["HD 92207","A",0,"Ia","Carina","~7,500","HD 92207 is one of the most luminous known A0 supergiants and belongs to the star forming Carina OB1 association."],["Eta Leonis","A",0,"Ib","Leo","~1,270","Eta Leonis is the defining spectral standard for the A0 Ib class and shines about 20,000 times brighter than the Sun."],["HD 12953","A",1,"Ia","Perseus","~7,600","HD 12953 is a very luminous A1 supergiant belonging to the Perseus OB1 association of massive young stars."],["Nu Cephei","A",2,"Iab","Cepheus","~4,700","Nu Cephei is a blue-white supergiant roughly 100,000 times as luminous as the Sun."],["6 Cassiopeiae","A",3,"Ia","Cassiopeia","~7,600","6 Cassiopeiae is a rare and hugely luminous A3 supergiant, radiating around 200,000 times the Sun's energy."],["3 Puppis","A",3,"Ib","Puppis","~2,280","3 Puppis is a rare A-type supergiant wrapped in a disc of dust fed by a small companion star."],["Zeta Leonis (Adhafera)","F",0,"III","Leo","274","This giant marks the top of the Sickle of Leo and has been an MK spectral standard for class F0 III since 1943."],["Chi Ceti","F",3,"III","Cetus","77","The brighter star of a wide double, it is one of the nearest F-type giants at about 77 light-years."],["Alpha Octantis","F",4,"III","Octans","148","It is the brightest star in Octans, the constellation that hosts the south celestial pole."],["Beta Delphini (Rotanev)","F",5,"III","Delphinus","101","Its odd name Rotanev is the Latinized surname of a Palermo Observatory astronomer spelled backwards."],["Pi Sagittarii (Albaldah)","F",2,"II","Sagittarius","~510","A luminous bright giant that anchors a triple star system near the spout of the Teapot asterism."],["Delta Volantis","F",6,"II","Volans","~740","An F-type bright giant shining over a thousand times brighter than the Sun in the far-southern flying fish constellation."],["Alpha Leporis (Arneb)","F",0,"Ib","Lepus","~2,220","The brightest star in Lepus, Arneb has served as the MK spectral standard for class F0 Ib since 1943."],["Nu Aquilae","F",2,"Ib","Aquila","~2,800","A young, massive yellow-white supergiant radiating several thousand times the Sun's light."],["35 Cygni","F",6,"Ib","Cygnus","~3,300","Unusually for a yellow supergiant, its brightness stays nearly constant instead of pulsating."],["44 Cygni","F",5,"Iab","Cygnus","~3,400","A luminous yellow supergiant that lights up the nearby reflection nebula vdB 133."],["Phi Cassiopeiae","F",0,"Ia","Cassiopeia","~2,300","A rare very luminous F supergiant seen against the young star cluster NGC 457."],["Iota-1 Scorpii","F",2,"Ia","Scorpius","~1,930","This supergiant near the Scorpion's stinger pours out roughly 35,000 times the Sun's light."],["Gamma-1 Normae","F",9,"Ia","Norma","~1,500","The fainter but far more luminous, distant member of the naked-eye Gamma Normae optical double, a true F supergiant."],["HD 168443","G",6,"V","Serpens","127","This yellow dwarf in Serpens Cauda hosts a giant planet plus a companion heavy enough to be a brown dwarf."],["Muphrid","G",0,"IV","Bootes","37","Muphrid, Eta Bootis, is the official MK spectral standard that defines the G0 IV subgiant class."],["HD 38529","G",4,"IV","Orion","138","This Orion subgiant is orbited by a giant planet and a much heavier brown-dwarf-mass companion."],["HD 190360","G",7,"IV","Cygnus","52","Also called Gliese 777, this nearby Cygnus subgiant hosts a Jupiter-like planet and a hot super-Neptune."],["Delta Pavonis","G",8,"IV","Pavo","20","Delta Pavonis is the nearest single Sun-like subgiant, only about twenty light-years away in Pavo."],["Sadalsuud","G",0,"Ib","Aquarius","540","The brightest star in Aquarius, Sadalsuud is an MK anchor standard for the G0 Ib supergiant class."],["31 Comae Berenices","G",0,"III","Coma Berenices","~284","This rapidly spinning yellow giant serves as the MK spectral standard for class G0 III."],["Ras Elased Australis","G",1,"II","Leo","~247","Also called Algenubi, this yellow bright giant marks the lion's head at the top of the Sickle of Leo."],["Beta Camelopardalis","G",1,"Ib","Camelopardalis","~840","The brightest star of Camelopardalis, a yellow supergiant lying near the north celestial pole."],["Rastaban","G",2,"II","Draco","~380","This yellow bright giant is a spectral standard for class G2 Ib-IIa and sits in the head of Draco."],["Sadalmelik","G",2,"Ib","Aquarius","~660","A yellow supergiant that serves as the MK spectral standard for class G2 Ib."],["Rho Cassiopeiae","G",2,"Ia","Cassiopeia","~8,200","One of the rare yellow hypergiants, it occasionally erupts and cools as it sheds enormous amounts of mass."],["Delta Coronae Borealis","G",3.5,"III","Corona Borealis","~167","A yellow giant crossing the Hertzsprung gap in the Northern Crown, faintly variable in brightness."],["Kraz","G",5,"II","Corvus","~146","The second brightest star in Corvus, a yellow bright giant of class G5 II."],["9 Pegasi","G",5,"Ib","Pegasus","~927","This distant yellow supergiant is the MK spectral standard for class G5 Ib."],["Azmidi","G",6,"Iab","Puppis","~1,200","Also known as Xi Puppis, this yellow supergiant shines thousands of times brighter than the Sun."],["Kornephoros","G",7,"III","Hercules","~139","The brightest star in Hercules, a yellow giant whose name means the club bearer."],["Sigma Draconis","K",0,"V","Draco","18.8","This nearby orange dwarf is the defining K0 V anchor standard of the Morgan-Keenan spectral system."],["Gliese 529","K",6,"V","Virgo","~46","This orange dwarf serves as the primary K6 V spectral standard star."],["61 Cygni B","K",7,"V","Cygnus","11.4","It is the fainter member of 61 Cygni, the first star system to have its distance measured by parallax."],["Gliese 570 A","K",4,"V","Libra","19","This orange dwarf is the K4 V spectral standard and the bright primary of a nearby quadruple star system."],["Delta Eridani","K",0,"IV","Eridanus","~29.5","Named Rana, it is one of the nearest orange subgiants to the Sun."],["Gamma Cephei","K",1,"IV","Cepheus","~45","This orange subgiant, named Errai, hosts the planet Tadmor and will become Earth's north pole star around the year 4000."],["Epsilon Reticuli","K",2,"IV","Reticulum","~59","This orange subgiant hosts a giant planet and is orbited by a distant white dwarf companion."],["Epsilon Scorpii (Larawag)","K",1,"III","Scorpius","~65","One of the nearest orange giants to the Sun, it is the fourth-brightest star in Scorpius."],["Alphard (Alpha Hydrae)","K",3,"III","Hydra","~180","It is the brightest star in Hydra, the water snake, and shows a mild excess of barium."],["Alpha Lyncis","K",7,"III","Lynx","~220","It is the brightest star in the faint northern constellation Lynx."],["Theta Lyrae","K",0,"II","Lyra","~770","This orange bright giant lies in Lyra, the harp, not far from brilliant Vega."],["31 Cygni (Omicron1 Cygni)","K",2,"II","Cygnus","~750","This orange bright giant anchors a colorful naked-eye triple star in Cygnus."],["Delta Eridani (Rana)","K",0,"IV","Eridanus","~30","A nearby orange subgiant only about 30 light-years away, its name Rana means frog."],["Gamma Cephei (Errai)","K",1,"IV","Cepheus","~45","This nearby subgiant hosts one of the first exoplanets ever detected and will become a North Star around the year 3000."],["Zeta Cephei","K",1.5,"Ib","Cepheus","~1,000","It is a defining standard star for the K1.5 Ib class in the Morgan-Keenan spectral system."],["Eta Persei (Miram)","K",3,"Ib","Perseus","~1,000","This orange supergiant marks the northern reach of Perseus near the famous Double Cluster."],["Zeta Aurigae (Saclateni)","K",4,"Ib","Auriga","~860","This orange supergiant is eclipsed by its blue companion every 2.7 years, making it a classic eclipsing binary."],["Sigma Canis Majoris (Unurgunite)","K",5,"Ib","Canis Major","~1,290","This orange supergiant in Canis Major is a candidate to end its life as a supernova."],["32 Cygni","K",5,"Iab","Cygnus","~1,100","This orange supergiant forms an eclipsing binary with a hot blue companion in Cygnus."],["RW Cephei","K",2,"Ia","Cepheus","~11,000","This cool hypergiant is one of the largest stars known, wider than the orbit of Jupiter."],["Lacaille 9352","M",1,"V","Piscis Austrinus","10.7","One of the brightest red dwarfs in our sky, it hosts a compact family of super-Earth planets just over 10 light-years away."],["Gliese 357","M",2.5,"V","Hydra","31","TESS caught this red dwarf hosting a transiting hot Earth-sized planet plus a super-Earth in its habitable zone."],["Ross 154","M",3.5,"V","Sagittarius","9.7","A rapidly flaring red dwarf, it is one of the closest stars to the Sun at under 10 light-years."],["YZ Ceti","M",4.5,"V","Cetus","12","This nearby flare star hosts three roughly Earth-mass planets in tight, fast orbits."],["Ross 248","M",5,"V","Andromeda","10.3","In about 36,000 years it will briefly become the closest star to the Sun."],["DX Cancri","M",6.5,"V","Cancer","11.7","A tiny flare star with under a tenth of the Sun's mass, it is the nearest star in Cancer."],["SCR 1845-6357 A","M",8.5,"V","Pavo","~12.6","This nearby ultracool dwarf has a faint T-type brown dwarf companion orbiting close by."],["LHS 2924","M",9,"V","Bootes","~36","This ultracool red dwarf serves as the defining spectral standard for class M9V."],["Delta Ophiuchi","M",0.5,"III","Ophiuchus","~171","Yed Prior is a cool red giant marking the hand of the serpent bearer Ophiuchus."],["Nu Virginis","M",1,"III","Virgo","~294","This red giant in Virgo dims and brightens slightly as a semiregular variable."],["Lambda Aquarii","M",2.5,"III","Aquarius","~365","This aging red giant is an accepted M2.5 III spectral standard star in Aquarius."],["Mu Geminorum","M",3,"III","Gemini","~230","Tejat marks one of the feet of the Gemini twins and is a pulsating red giant."],["Beta Gruis","M",5,"III","Grus","~177","Tiaki is the second brightest star in the crane constellation Grus, a red giant about 180 times the Sun's radius."],["56 Leonis","M",5.5,"III","Leo","~390","A cool red giant in Leo that slowly changes brightness as a semiregular variable."],["30 Herculis","M",6,"III","Hercules","~354","This aging red giant in Hercules brightens and dims over roughly 89 days as a semiregular variable."],["R Doradus","M",8,"III","Dorado","~178","R Doradus is a pulsating red giant with one of the largest apparent sizes of any star in the sky besides the Sun."],["Pi Aurigae","M",3,"II","Auriga","~780","Pi Aurigae is a red bright giant in Auriga that has swelled to over 100 times the Sun's diameter."],["Delta2 Lyrae","M",4,"II","Lyra","~740","Delta2 Lyrae is an accepted M4 II spectral standard star in Lyra."],["BC Cygni","M",3.5,"Ia","Cygnus","~5,000","BC Cygni is a red supergiant over a thousand times the Sun's radius and a member of the Cygnus OB1 association."],["VY Canis Majoris","M",4,"Ia","Canis Major","~3,900","VY Canis Majoris is a red hypergiant and one of the largest stars known, around 1,400 times the Sun's radius."],["2MASP J0345432+254023","L",0,"V","Taurus","~88","It was the first isolated L dwarf ever found and anchors the L0 optical spectral standard."],["2MASSW J0746425+200032","L",0.5,"V","Gemini","~40","This nearby L dwarf pair was the first brown dwarf binary to have its mass measured directly from its orbit."],["2MASSW J1439284+192915","L",1,"V","Bootes","~47","This Bootes brown dwarf about 47 light-years away serves as the L1 optical spectral standard."],["2MASS J00361617+1821104","L",3.5,"V","Pisces","~29","One of the nearest L dwarfs, it is a strong radio source famous for its powerful magnetic field."],["2MASS J22244381-0158521","L",4.5,"V","Aquarius","~38","This dusty, fast-spinning L dwarf lies less than 40 light-years away in Aquarius."],["DENIS-P J020529.0-115925","L",5.5,"V","Cetus","~64","This Cetus object is actually a triple brown dwarf whose brightest member is an L5.5 dwarf."],["2MASSI J1010148-040649","L",6,"V","Sextans","~59","It is the adopted L6 optical spectral standard used to classify other brown dwarfs."],["2MASSI J0825196+211552","L",7,"V","Cancer","~35","Only about 35 light-years away, it is used as the L7 optical spectral standard."],["2MASS J03105986+1648155","L",9,"V","Aries","~65","This binary sits right at the L to T transition and defines the L9 spectral template."],["Luhman 16 B","T",0.5,"V","Vela","6.5","It belongs to the closest known pair of brown dwarfs, the third-nearest star system to the Sun."],["SDSS J120747.17+024424.8","T",0,"V","Virgo","~47","It serves as the near-infrared T0 spectral standard for classifying brown dwarfs."],["SDSS J125453.90-012247.4","T",2,"V","Virgo","~43","It serves as the near-infrared T2 spectral standard for classifying brown dwarfs."],["2MASS J12095613-1004008","T",3,"V","Virgo","~71","It serves as the near-infrared T3 spectral standard for classifying brown dwarfs."],["2MASSI J2254188+312349","T",4,"V","Pegasus","~45","It serves as the near-infrared T4 spectral standard for classifying brown dwarfs."],["2MASS J05591914-1404488","T",4.5,"V","Lepus","~34","It is an unusually bright, overluminous T dwarf long suspected of being a tight binary."],["2MASS J15031961+2525196","T",5,"V","Bootes","~21","It serves as the near-infrared T5 spectral standard and lies only about 21 light-years away."],["Epsilon Indi Bb","T",6,"V","Indus","~12","It is one of the nearest known brown dwarfs, orbiting the warmer T1 dwarf Epsilon Indi Ba."],["Wolf 940 B","T",8.5,"V","Aquarius","~40","It is a cool methane brown dwarf orbiting the nearby red dwarf Wolf 940."],["WISE J0410+1502","Y",0,"V","Taurus","~20","One of the nearest Y dwarfs to the Sun, this Y0 object in Taurus is a benchmark for the coolest known spectral class, with a temperature near the boiling point of water."],["WISE J0825+2805","Y",0.5,"V","Cancer","~21","This Y0.5 brown dwarf in Cancer is one of the closest members of its class, discovered using WISE and Hubble in 2015."],["WISE J0336-0143 B","Y",2.5,"V","Eridanus","~33","It is the fainter, colder component of the first known binary made of two Y-type brown dwarfs, resolved by JWST in 2022."],["Epsilon Indi Ab","Y",3,"V","Indus","~12","A roughly 6 Jupiter mass super-Jupiter imaged by JWST in 2024 around the nearby star Epsilon Indi A, it is one of the coldest worlds ever directly photographed at about 275 K."],["WR 102","W",2,"WO2","Sagittarius","~9,800","A rare oxygen-sequence Wolf-Rayet and one of the hottest stars known: its roughly 210,000 K surface is stripped bare by a 5,000 km/s wind carrying its mass into space."],["WR 136","W",6,"WN6(h)","Cygnus","~6,700","A nitrogen-sequence Wolf-Rayet inflating the glowing shell of the Crescent Nebula (NGC 6888) as it sheds its outer layers on the way to a supernova."],["WR 104","W",9,"WC9d","Sagittarius","~8,000","A dust-making carbon-sequence Wolf-Rayet in a colliding-wind multiple system whose winds spin out a vast dusty spiral, the prototype pinwheel nebula."],["Chi Cygni","S",6,"S6","Cygnus","~550","An S-type Mira giant whose zirconium-oxide bands mark carbon and oxygen in near-balance; its type drifts from S6 to S10 as it swings more than 10,000-fold in brightness every 408 days."],["R Andromedae","S",5,"S5","Andromeda","~1,230","An S-type Mira (type S5/4.5e at maximum) showing zirconium-oxide bands and the atomic lines of technetium — direct proof this red giant is forging new elements in its interior."],["La Superba","C",5,"","Canes Venatici","~1,010","The brightest J-type carbon star (spectral type C5,4J(N3), rich in carbon-13) and one of the reddest stars in the sky, its blue light smothered by soot-like carbon; also catalogued as Y Canum Venaticorum."],["R Leporis","C",7,"","Lepus","~1,300","Hind's Crimson Star, a carbon Mira of type C7,6e(N6e) so reddened by its own carbon haze that observers have likened it to a drop of blood on black velvet."],["Sirius B","D",2,"DA2","Canis Major","8.6","The nearest white dwarf: a ~25,000 K, Earth-sized ember holding a full solar mass, the burnt-out core orbiting brilliant Sirius A."],["Procyon B","D",6.5,"DQZ","Canis Minor","11.5","A carbon-and-metal-lined helium-atmosphere white dwarf (type DQZ), the faint ~7,700 K companion that circles bright Procyon once every 41 years."],["Van Maanen 2","D",8,"DZ8","Pisces","14.1","The nearest solitary white dwarf, a cool metal-lined DZ8 remnant whose spectrum shows it is still swallowing the debris of its own former planets."]],"images":{"The Sun":{"s":"img/sun.jpg","c":"NASA / SDO","l":"Public domain","k":"photo"},"Betelgeuse":{"s":"img/betelgeuse.jpg","c":"ALMA (ESO/NAOJ/NRAO) · O'Gorman/Kervella","l":"CC BY 4.0","k":"photo"},"Antares":{"s":"img/antares.jpg","c":"ESO / K. Ohnaka (VLTI)","l":"CC BY 4.0","k":"photo"},"Sirius":{"s":"img/sirius.jpg","c":"NASA / ESA / H. Bond (STScI)","l":"Public domain","k":"photo"},"Fomalhaut":{"s":"img/fomalhaut.jpg","c":"NASA / ESA / P. Kalas (HST)","l":"Public domain","k":"photo"},"Vega":{"s":"img/vega.jpg","c":"NASA / JPL-Caltech (Spitzer)","l":"Public domain","k":"photo"},"Altair":{"s":"img/altair.jpg","c":"CHARA Array · Zhao & Monnier","l":"Public domain","k":"photo"},"Mira":{"s":"img/mira.jpg","c":"NASA / JPL-Caltech (GALEX)","l":"Public domain","k":"photo"},"Proxima Centauri":{"s":"img/proxima.jpg","c":"ESA/Hubble & NASA","l":"CC BY 4.0","k":"photo"},"TRAPPIST-1":{"s":"img/trappist1.jpg","c":"ESO / M. Kornmesser","l":"CC BY 4.0","k":"artist"},"Gliese 229 B":{"s":"img/gliese229b.jpg","c":"Palomar / Hubble · NASA/STScI","l":"Public domain","k":"photo"},"WISE 0855−0714":{"s":"img/wise0855.jpg","c":"Gemini Observatory / AURA / J. Pollard","l":"CC BY 4.0","k":"artist"},"Polaris":{"s":"img/polaris.jpg","c":"NASA / ESA / STScI (Hubble)","l":"Public domain","k":"photo"},"Alpha Centauri A":{"s":"img/alphacen.jpg","c":"ESA/Hubble & NASA","l":"CC BY 4.0","k":"photo"},"Alpha Centauri B":{"s":"img/alphacen.jpg","c":"ESA/Hubble & NASA","l":"CC BY 4.0","k":"photo"},"Luhman 16":{"s":"img/luhman16.jpg","c":"ESO / I. Crossfield / N. Risinger","l":"CC BY 4.0","k":"artist"},"Rigel":{"s":"img/rigel.jpg","c":"Giuseppe Donatiello, CC0 1.0, via Wikimedia Commons","l":"CC0 1.0 (Public Domain Dedication)","k":"photo"},"Hadar (Beta Centauri)":{"s":"img/hadar_beta_centauri.png","c":"Pablo Carlos Budassi, CC BY-SA 4.0, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"artist"},"Achernar":{"s":"img/achernar.png","c":"Merikanto, CC BY-SA 4.0, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"artist"},"Regulus":{"s":"img/regulus.jpg","c":"Stanley Joseph, CC BY 4.0, via Wikimedia Commons","l":"CC BY 4.0","k":"artist"},"Zeta Puppis (Naos)":{"s":"img/zeta_puppis_naos.jpg","c":"P. Horálek/ESO","l":"CC BY 4.0","k":"photo"},"Theta¹ Orionis C":{"s":"img/theta_orionis_c.png","c":"ESO/GRAVITY consortium/NASA/ESA/M. McCaughrean","l":"CC BY 4.0","k":"photo"},"Mintaka":{"s":"img/mintaka.jpg","c":"Keesscherer","l":"CC BY-SA 4.0","k":"photo"},"Alnitak":{"s":"img/alnitak.jpg","c":"ESO/J. Emerson/VISTA. Acknowledgment: Cambridge Astronomical Survey Unit","l":"CC BY 4.0","k":"photo"},"Sigma Orionis":{"s":"img/sigma_orionis.jpg","c":"Digitized Sky Survey, ESA/ESO/NASA FITS Liberator","l":"Public domain (US, NASA/DSS work)","k":"photo"},"Alnilam":{"s":"img/mintaka.jpg","c":"Keesscherer","l":"CC BY-SA 4.0","k":"photo"},"Wezen":{"s":"img/wezen.jpg","c":"Sephirohq, CC BY-SA 3.0, via Wikimedia Commons","l":"CC BY-SA 3.0","k":"artist"},"Sadr":{"s":"img/sadr.jpg","c":"Giuseppe Donatiello, CC0, via Wikimedia Commons","l":"CC0 1.0 (Public Domain Dedication)","k":"photo"},"Mirfak":{"s":"img/mirfak.jpg","c":"Martin Gembec (astrofotky.cz/~MaG), CC BY-SA 4.0, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"photo"},"Canopus":{"s":"img/canopus.png","c":"Pablo Carlos Budassi, CC BY-SA 4.0, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"artist"},"Procyon":{"s":"img/procyon.jpg","c":"Giuseppe Donatiello, CC0, via Wikimedia Commons","l":"CC0 1.0 (Public Domain Dedication)","k":"photo"},"51 Pegasi":{"s":"img/51_pegasi.jpg","c":"ESO/M. Kornmesser/Nick Risinger (skysurvey.org)","l":"CC BY 4.0","k":"artist"},"Tau Ceti":{"s":"img/tau_ceti.png","c":"Pablo Carlos Budassi (based on original work by NASA/Tim Pyle)","l":"CC BY-SA 4.0","k":"artist"},"Capella":{"s":"img/capella.png","c":"Omnidoom 999 / Wikimedia Commons (updated by Ecodeluz)","l":"Public domain","k":"artist"},"Epsilon Eridani":{"s":"img/epsilon_eridani.jpg","c":"NASA, ESA, G. Bacon (STScI)","l":"Public domain","k":"artist"},"Alcyone":{"s":"img/alcyone.jpg","c":"NASA, ESA, AURA/Caltech, Palomar Observatory","l":"Public domain","k":"photo"},"Algol":{"s":"img/algol.jpg","c":"Dr Fabien Baron, Dept. of Astronomy, University of Michigan (CHARA Array)","l":"CC BY-SA 3.0","k":"photo"},"Spica":{"s":"img/spica.png","c":"Pablo Carlos Budassi","l":"CC BY-SA 4.0","k":"artist"},"Deneb":{"s":"img/deneb.jpg","c":"Giuseppe Donatiello","l":"CC0","k":"photo"},"Castor":{"s":"img/castor.jpg","c":"NASA/JPL-Caltech; edited by Nicholas Beeson","l":"Public domain","k":"artist"},"Mu Cephei":{"s":"img/mu_cephei.png","c":"NiKo, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"photo"},"Ras Algethi":{"s":"img/ras_algethi.jpg","c":"Nik Nikolov (NVN271), via Wikimedia Commons","l":"CC BY-SA 4.0","k":"photo"},"Gacrux":{"s":"img/gacrux.jpg","c":"Nova Dawn Astrophotography, via Wikimedia Commons","l":"CC BY-SA 4.0","k":"photo"},"Epsilon Indi":{"s":"img/epsilon_indi.png","c":"NASA, ESA, CSA, STScI, Elisabeth Matthews (MPIA)","l":"Public domain (NASA/JWST material is copyright-free)","k":"photo"},"61 Cygni":{"s":"img/61_cygni.jpg","c":"Гоша0102 (Wikimedia Commons)","l":"CC BY-SA 4.0","k":"photo"},"Aldebaran":{"s":"img/aldebaran.jpg","c":"Giuseppe Donatiello (color from DSLR RGB over ESO/DSS2 data)","l":"CC0 1.0 (Public domain dedication)","k":"photo"},"Lalande 21185":{"s":"img/lalande_21185.jpg","c":"春風吹雪 (Harukaze Fubuyuki), via Japanese Wikipedia","l":"CC BY-SA 3.0 (also GFDL 1.2+)","k":"artist"},"Barnard's Star":{"s":"img/barnard_s_star.jpg","c":"International Gemini Observatory/NOIRLab/NSF/AURA/P. Marenfeld","l":"CC BY 4.0","k":"artist"},"Wolf 359":{"s":"img/wolf_359.jpg","c":"ESO/Digitized Sky Survey 2","l":"CC BY 4.0","k":"photo"},"Epsilon Indi Ba":{"s":"img/epsilon_indi_ba.jpg","c":"ESO/R.-D. Scholz et al. (AIP)","l":"CC BY 4.0","k":"photo"},"WISE 1828+2650":{"s":"img/wise_1828_2650.jpg","c":"NASA/JPL-Caltech/UCLA","l":"Public domain (NASA)","k":"photo"},"Zeta Persei":{"s":"img/zeta_persei.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:PerseusCC.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Alkaid":{"s":"img/alkaid.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:UrsaMajorCC.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Homam":{"s":"img/homam.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:PegasusCC.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Sualocin":{"s":"img/sualocin.png","c":"Unai (User:Castellgalie), CC BY 4.0, via Wikimedia Commons (File:Sualocin star.png)","l":"CC BY 4.0","k":"photo"},"Zosma":{"s":"img/zosma.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:LeoCC.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Sheratan":{"s":"img/sheratan.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:AriesCC.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Alpha Pictoris":{"s":"img/alpha_pictoris.jpg","c":"Till Credner / AlltheSky.com, CC BY-SA 3.0, via Wikimedia Commons (File:Constellation Pictor.jpg)","l":"CC BY-SA 3.0","k":"photo"},"Chi Draconis":{"s":"img/chi_draconis.jpg","c":"David Ritter (Wikimedia user Dritter wiki), 2019","l":"CC BY-SA 4.0","k":"photo"},"Beta Comae Berenices":{"s":"img/beta_comae_berenices.jpg","c":"David Ritter (Wikimedia user Dritter wiki), 2019","l":"CC BY-SA 4.0","k":"photo"},"16 Cygni A":{"s":"img/16_cygni_a.jpg","c":"David Ritter (Wikimedia user Dritter wiki), 2018","l":"CC BY-SA 4.0","k":"photo"},"16 Cygni B":{"s":"img/16_cygni_a.jpg","c":"David Ritter (Wikimedia user Dritter wiki), 2018","l":"CC BY-SA 4.0","k":"photo"},"HD 219134":{"s":"img/hd_219134.jpg","c":"NASA/JPL-Caltech","l":"Public domain (NASA, JPL Photojournal PIA19833)","k":"artist"},"Almach":{"s":"img/almach.jpg","c":"Damian Peach","l":"CC BY-SA 4.0","k":"photo"},"Fomalhaut B":{"s":"img/fomalhaut_b.jpg","c":"NASA, ESA, P. Kalas, J. Graham, E. Chiang, E. Kite (UC Berkeley), M. Clampin (NASA Goddard), M. Fitzgerald (Lawrence Livermore), and K. Stapelfeldt and J. Krist (NASA JPL)","l":"Public domain (created by NASA and ESA)","k":"photo"},"Mirach":{"s":"img/mirach.jpg","c":"Giuseppe Donatiello (data: ZTF DR1)","l":"CC0 1.0 (Public Domain Dedication)","k":"photo"},"Alsafi":{"s":"img/alsafi.jpg","c":"Dontuseurrealname, via Wikimedia Commons, CC BY-SA 4.0","l":"CC BY-SA 4.0","k":"photo"},"Keid":{"s":"img/keid.png","c":"Photo by Mark Johnston (uploaded by Azhikerdude), via Wikimedia Commons, CC BY-SA 4.0","l":"CC BY-SA 4.0","k":"photo"},"Gliese 581":{"s":"img/gliese_581.jpg","c":"ESO","l":"CC BY 4.0","k":"artist"},"Ross 128":{"s":"img/ross_128.jpg","c":"ESO/M. Kornmesser","l":"CC BY 4.0","k":"artist"},"Teegarden's Star":{"s":"img/teegarden_s_star.jpg","c":"NASA/Walt Feimer","l":"Public domain (NASA)","k":"artist"},"Kelu-1":{"s":"img/kelu_1.jpg","c":"NASA, ESA and M. Stumpf (MPIA)","l":"CC BY 4.0","k":"photo"},"GD 165 B":{"s":"img/gd_165_b.jpg","c":"Legacy Surveys / D. Lang (Perimeter Institute) & Meli thev","l":"CC BY 4.0","k":"photo"},"SIMP 0136":{"s":"img/simp_0136.jpg","c":"NASA, ESA, CSA, J. Olmsted (STScI)","l":"CC BY 4.0","k":"artist"},"Gliese 570 D":{"s":"img/gliese_570_d.jpg","c":"NASA (artwork by R. Hurt, IPAC/Caltech)","l":"Public domain","k":"artist"},"2MASS 0415-0935":{"s":"img/2mass_0415_0935.png","c":"Meli thev (Wikimedia Commons), from JWST/MIRI data","l":"CC BY-SA 4.0","k":"photo"},"UGPS 0722-0540":{"s":"img/ugps_0722_0540.jpg","c":"International Gemini Observatory/NOIRLab/NSF/AURA","l":"CC BY 4.0","k":"photo"},"WISE 0359-5401":{"s":"img/wise_0359_5401.jpg","c":"Meli thev (Wikimedia Commons), from HST/WFC3 data","l":"CC BY-SA 4.0","k":"photo"}}}