Epsilon Tauri b (abbreviated ε Tauri b or ε Tau b), also named Amateru, is a super-Jupiter exoplanet orbiting the K-type giant star Epsilon Tauri approximately 155 light-years (47.53 parsecs, or nearly 1.466×1015 km) away from the Earth in the constellation of Taurus. A faint star will have a high number. Located about 1.8 west of Epsilon (ε) Tauri is T Tauri, the prototype of a class of variable stars called T Tauri stars. M = m+5(log10DL)-1 The time it will take to travel to this star is dependent on how fast you are going. Because of its moderate brightness, Ain should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution. It is also unusual in that it is an open cluster star with an exoplanet (a planet of another star system It is also unusual in that it is an open cluster star with an exoplanet (a planet of another star system than our own Sun). Ain (or Epsilon Tauri/ ε Tau) is the fourth orange giant of the Hyades (also called Occulus Borealis, meaning 'Eye of the North'). 16 en:Epsilon_Tauri 16 en:Gliese_436 16 en:H_I_region 16 en:Hermann_Bondi 16 en:Infrared_Space_Observatory 16 en:Jacob's_staff 16 en:James_Craig_Watson_Medal 16 en:Kelvin–Helmholtz_mechanism 16 en:Leo_Triplet 16 The star varies slowly in brightness between magnitude 0.75 and 0.95. Dubhe is an : alpha: CD Szolar: by William Chrey: and the Chad Quist: Cephas and Beid-Keid "O", of an Eridanus. There are several of them, Pollux being the most famous. [1] It orbits the star further out than Earth orbits the Sun. The planet Amateru is mentioned by name in the science fiction book Starsong Chronicles: Exodus by American author JJ Clayborn. The left eye is marked by the Epsilon Tauri star. The Ain's solar mass is 2.70 times that of our star, the Sun. Luminosity: 2,030 L ☉ Radius: 9.3 ± 0.7 R ☉ Temperature: 12,258 K: Rotational velocity: 149 km/s: Surface gravity: 3.047 cgs: Constellation: Taurus: Right ascension: 03 h 47 m 29.077 s: Declination +24° 06′ 18.49″ Designations Epsilon Tauri. The red clump is a clustering of red giants in the Hertzsprung–Russell diagram at around 5,000 K and absolute magnitude (MV) +0.5, slightly hotter than most red-giant-branch stars of the same luminosity… [5] The name was based on that submitted by the Kamagari Astronomical Observatory of Kure, Hiroshima Prefecture, Japan: namely 'Amaterasu', the Shinto goddess of the Sun, born from the left eye of the god Izanagi. Maia (RA: 03h45m49.632s DE:+24°22'03.24") 20 Tauri is named Maia, after the first born and allegedly the most beautiful of the sisters. Star with planet. If applicable, the Mass and Radius is measured in Jupiters. The planet orbits one of the four giant stars in the Hyades cluster that is 2.7 times the mass of our Sun, making it the most massive planet-harboring star. Cookies / About Us / Contact Us / Twitter / Facebook, Epsilon Tauri, Eps Tau, Epsilon Tau, HD 28305, HIP 20889, HR 1409, TYC 1273-1104-1, 74 Tauri, 74 Tau, BD+18 640. CosMos Astronomy - Southern Hemisphere. Starting from the Pleides then jumping to the "V"-shape feature of the Hyades, T Tauri is located near epsilon Tauri - the star that forms the opening of … There's no register feature and no need to give an email address if you don't need to. Query : Epsilon Tauri C.D.S. Ain visual magnitude is 3.53. Epsilon Tauri (ε Tau, ε Tauri) is an orange giant star, spectral type of K0 III, located approximately 147 light-years [1] away from the Sun in the constellation of Taurus.It is a member of the Hyades open cluster.It has the traditional names Ain (Arabic عين), or Oculus Borealis, both of which mean "eye".. Epsilon Tauri b was discovered by using the High Dispersion Echelon Spectrograph at Okayama Astrophysical Observatory (OAO) as part of a process to study G-type and K-type giant stars to search for exoplanets. T Tauri's location can be found relatively easily in the night sky. Despite her luminosity and prominence as a star, as a nymph Alcyone's notoriety seems limited to the bearing of offspring by the god Poseidon (). Query : Epsilon Tauri C.D.S. You can decline to give a name which if that is the case, the comment will be attributed to a random star. The star is moving -37.84 ± 0.17 milliarcseconds/year towards the north and 106.19 ± 0.25 milliarcseconds/year east if we saw them in the horizon. II ℗ Touch Sensitive Released on: 2017-04-28 Auto-generated by YouTube. At 438 light years away, it is the 167th brightest star in the Earth's sky. Miaplacidus has a Southern Pleides in Carina. As Epsilon Eridani ages over a period of 20 billion years, the net luminosity will increase, causing this zone to slowly expand outward to about 0.6–1.4 AU. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. 1 Specifics 2 System makeup 3 Appendices 3.1 Connections 3.2 References The Epsion system's orbit was the location of a number of worlds, including second planet Epsion II. It has been known to produce widely incorrect figures. The Sun's radius is 695,800km, therefore the star's radius is an estimated 8,659,485.63.km. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. For more information about the planet and other exoplanetary stuff, visit N.A.S.A. A Planetary Companion to the Hyades Giant epsilon Tauri 2007, ApJ, 661, 527 link to ADS Ogura, K. et al. The star's Galacto-Centric Distance is 7,442.00 Parsecs or 24,273.08 Light Years. At a measured distance of 155 light years, just a hair farther than the cluster's average of 150 light years, Ain shines at us with a luminosity 90 times that of the Sun from a yellow-orange 4925 Kelvin surface. Epsilon Tauri (ε Tauri, abbreviated Epsilon Tau, ε Tau), also named Ain, is an orange giant star located approximately 45 parsecs (147 light-years) from the Sun in the constellation of Taurus. Aldebaran has a luminosity 518 times that of the Sun (153 times in visible light). The Sun's Mass is 1,989,100,000,000,000,000,000 billion kg. Being a reflection nebulae, NGC 1555 shows significant variations in brightness caused by changes in the luminosity of the stars it reflects, which in this case is the famous variable star T Tauri. The figure is derived at by using the formula from SDSS rather than peer reviewed papers. 111 Tauri is a single star in the constellation Taurus. If the star is not on display, its because its so small compared to the orbits of the outer planets. I wanted a varied sample to research but the stars in Taurus are fairly similar. All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. Its age is estimated to be about 625 million years. 1 Specifics 2 System makeup 3 Appendices 3.1 Connections 3.2 References The Epsion system's orbit was the location of a number of worlds, including second planet Epsion II. THETA-1 TAU (Theta-1 Tauri). The star's name is a traditional/name which has been officially recognised by the I.A.U. It has a temperature of 541 K (268 °C; 514 °F). AIN (~). Epsilon Tauri es miembro del grupo Hyades . The green area denotes the habital zone which if the planet is within that area, life could exist. Apparent Magnitude is also known as Visual Magnitude. The star has a precisely measured temperature of 4965 Kelvin. Quite the same Wikipedia. This is a N.A.S.A. The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 38.43000 km/s with an error of about 0.08 km/s . The star has the proper names Ain and Oculus Borealis, both of which mean "the eye." An older star would have a high metallicity whereas a new star would have a lower one. The file is dated 2000 so any differences between this and any other source will be down to the actual source from where the information came from. Challenge your mind with Lumosity, the #1 app with 60+ brain games for memory, math, vocabulary, and more. It is located in the south central part (4:42:55.8+18:57:29.4, ICRS 2000.0) of Constellation Taurus, the Bull -- west of Epsilon Tauri, north of Aldebaran Izar e: in Bootes is connected to an Arcturus-alpha. Information regarding Metallicity and/or Mass is from the E.U. Mention'd in CD, with Ampheres, Zeus,Varuna,Bahdra,Jennifer Anniston, Ben Stiller, and other: Alpheratz is, an in: Andromeda. It has an 11th magnitude companion 182 arcseconds from the primary. Aldebaran . Allowing for a bit of infrared radiation leads to a luminosity 74 times that - SIMBAD4 rel 1.7 - 2020.11.21CET05:31:39 Available data : Basic data • Identifiers • Plot & images • Bibliography • Measurements • External archives • Notes • Annotations However with the 2007 release of updated Hipparcos files, the radius is now calculated at being round 11.78. The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Using the most recent figures given by the 2007 Hipparcos data, the star is 146.66 light years away from us. Right between Gamma Tauri (Hyadum I), within the Hyades Cluster at the point of the Taurus the Bull's head and Aldebaran (which is a foreground star), lies a seeming naked-eye binary, Theta Tauri (of no proper name), its two components separated by … We found in the published literature the rotational velocities for 162B0-B9.5, 152 A0-A5, and 86 A6-F0 stars, all of luminosity classes V orIV, that are in spectroscopic or visual binaries with known orbitalelements. ‘the luminosities of galaxies’ ‘Stars, however, come in a staggering range of luminosities, spanning ten orders of magnitude ten powers of ten.’ ‘Stars of lower mass and luminosity, however, glow dimly with red light for billions of years It should not be taken as though the star is moving closer or further away from us. An Astronomical Unit is the distance between Earth and the Sun. Elnath, Beta Tauri (β Tau), is a blue-white giant star located in the constellation Taurus. T Tauri is located about 1.8° west of Epsilon Tauri. Eccentricity is measured as a decimal from 0 to 1, the closer to zero, the more circular the orbit is. The data show that stars in binaries with periods of less thanabout 4 days have synchronized rotational and orbital motions. Epsilon Tauri (ε Tau, ε Tauri) is an orange giant star, spectral type of K0 III, located approximately 147 light-years [1] away from the Sun in the constellation of Taurus.It is a member of the Hyades open cluster.It has the traditional names Ain (Arabic عين), or Oculus Borealis, both of which mean "eye".. Zeta Tauri is a type B2 blue subgiant star in the constellation Taurus. It has a surface temperature of 4901 K and is 625 million years old. The star has been identified as being a multi-star system, one in which there is at least one star in close orbit to another star or two or more stars orbiting a central point. Ain (or Epsilon Tauri/ ε Tau) is the fourth orange giant of the Hyades (also called Occulus Borealis, meaning 'Eye of the North'). is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. The star's metallicity is 0.170000, this value is the fractional amount of the star that is not Hydrogen (X) or Helium (Y). track: Zeta, Xi, and Epsilon Tauri. Based on the spectral type, we can deduce that the surface temperature of the star is in the order of between between 3,500 and 5,000K based on the notes from Harvard University. It orbits the star further out than Earth orbits the Sun. Epsilon Centauri Luminosity Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The number of A.U. Giauser is Lambda, to : the , a North. Corncorde before it was retired was the fastest commercial airline across the Atlantic and only one that could do Mach 2. Located about 1.8 west of Epsilon ( ε) Tauri is T Tauri, the prototype of a class of variable stars called T Tauri stars. Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. It is the brightest star in Taurus constellation and the 14th brightest star in the night sky. The star's metallicity is 0.170000, this value is the fractional amount of the star that is not Hydrogen (X) or Helium (Y). When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. impression of what the solar system might look like. Aldebaran, Alpha Tauri, also known as the Eye of Taurus, is an orange giant star located at a distance of 65 light years from Earth. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever. Marsic is with a Culam: outside: The Rasalgethi-connection in a hercules. Using the 2007 distance, the star is roughly 9,273,601.07 Astronomical Units from the Earth/Sun give or take a few. Proper Motion details the movements of these stars and are measured in milliarcseconds. Improved in 24 Hours. It has an 11th magnitude companion 182 arcseconds from the primary. Ain has a luminosity 90 times that of the Sun from a yellow-orange 4925 Kelvin surface - you may be able to calculate the absolute magnitude from that information. RV Tauri - posted in Scientific Amateur Astronomy: RV Tauri is the prototype for a subclass of pulsating stars called type II Cepheids, which are low mass but high luminosity stars near the end of their stellar evolution. The bigger the stars, the brighter (more luminous) they actually are. In 2007, Hipparcos data was revised with a new parallax of 22.24000 which put Ain at a distance of 146.66 light years or 44.96 parsecs. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Prima Hyadum Luminosity. Hyadum II, delta Tauri, is a class G8 III giant star at 155 light yers away from Earth. Exoplanets. Luminosity: 518 solar luminosities Temperature: 3,910 K Rotation: 643 days Pronunciation: /ælˈdɛbərən/ Designations: Aldebaran, Alpha Tauri, α Tauri, 87 Tauri, Eye of Taurus, Bull’s Eye, Cor Tauri, HD 29139, HR 1457, BD +16°629, Gl 171.1, GJ 9159, HIP 21421, SAO 94027, LTT 11462, ADS 3321 A/B, FK5 168, CCDM 04359+1631, Wo 9159 A/B, CSV 6116 Located about 1.8 west of Epsilon (ε) Tauri is T Tauri, the prototype of a class of variable stars called T Tauri stars. La estrella tiene los nombres propios Ain y Oculus Borealis, que significan “el ojo”. Cujam is an omega. All Of the stars studied in these table will hit the main sequence. Our planets show the orbit of the planet if its was in our solar system. The Mg II doublet emissions near 2800 A observed in alpha Tauri, alpha Orionis, and epsilon Pegasi To put in context, the Sun is believed to be about five billion years old and the Universe is about 13.8 billion years old. All messages will be reviewed before being displayed. * Epsilon Tauri is certainly not the first red giant with a planet. Alcyone, Eta Tauri (η Tau) is a multiple star system located in the constellation Taurus, the Bull.With an apparent magnitude of 2.87, Alcyone is the third brightest star in Taurus, after Aldebaran and Elnath, and the brightest star in the Pleiades cluster (Messier 45), one of … K class star Relative mass, M Relative radius, R Luminosity, L Relative rotation, eq M*R2* eq L … Epsion was a star, an 11 billion year-old G-type star, with a total luminosity 300 trillion terawatts, located somewhere in the space of the galaxy's Alpha or Beta Quadrants. U.G. This is shown better in the image below. [9], Coordinates: 04h 28m 37.0s, +19° 10′ 50″. It radiates the light of 5700 Suns from a surface heated to 22,000 Kelvin. The star has a mass of 2.7 M☉ and a radius of around 12.6 R☉. The stars may be of equal mass, unequal mass where one star is stronger than the other or be in groups orbiting a central point which doesn't necessarily have to be a star. 8epsilon is in: a Canis Minor and a Monoceros. Sun,.. a 2. then a 1. Beta Tauri (also known as Gamma Aurigae, 112 Tauri, Taurus, El Nath or Al Nath) is a star with an associated star system located in the galaxy's Alpha Quadrant, at the far reaches of Federation space. Just better. The figure of 5,883.50 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012. It is purely that the distance was recalculated. This star undergoes erratic changes in luminosity, varying between magnitude 9 to 13 over a period of weeks or The figure of 96.03 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University of Strasbourg from 2012. Also known as Gliese 176, this dim star lies around 30.7 light-years from Sol. • Aldebaran is in conjunction with the Sun every year on the 1st of June. is the number of times that the star is from the Earth compared to the Sun. It is worth noting that T Tauri is the prototype of the T Tauri class of variable stars , which are young stars less than a few million years old in their early stages of formation. Barry Lynn Taurus Tapes Vol. The location of the giant star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. More information can be found on my dedicated multiple star systems page. The figure of 101.36 that I have given is based on the value in the Simbad Hipparcos Extended Catalogue at the University … Comments may be merged or altered slightly such as if an email address is given in the main body of the comment. 1 Details 2 Appendices 2.1 Connections 2.2 External link This star was visible from Earth, 131 light-years distant, as part of the constellation of Taurus. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. To give idea of size, the Sun is 99.86% the mass of the solar system. Artistic simulation of Epsilon Tauri b orbiting its host star. where stars will fuse hydrogen at their core. The IAU substituted 'Amateru' - which is a common Japanese appellation for shrines when they enshrine Amaterasu - because 'Amaterasu' is already used for asteroid 10385 Amaterasu.[6]. Distance is 155 ly. Mach 1 is the speed of sound, Mach 2 is twice the speed of sound. This star undergoes erratic changes in luminosity, varying between magnitude 9 to 13 over a period of weeks or [5] English Articles. In fact, the planet of Pollux was first suspected as early as in 1993. The star is believed to be about 0.63 Billion years old. The Semi-Major Axis is measured in A.U. which to calculate using this website is too large. It has an estimated mass of around 7.6 MJ and a potential radius of around 18% larger than Jupiter (1.18 RJ, or 12 R⊕) based on its mass, since it is more massive than the jovian planet. In comparison, the Sun is about 4.6 billion years old[7] and has a surface temperature of 5778 K.[8]. Epsilon Tauri b (abbreviated ε Tauri b or ε Tau b), formally named Amateru /æməˈtɛruː/, is a super-Jupiter exoplanet orbiting the K-type giant star Epsilon Tauri approximately 155 light-years (47.53 parsecs, or nearly 1.466×1015 km) away from the Earth in the constellation of Taurus. The information was obtained as of 12th Feb 2017. Orbital Period is measured in Days. Languages. It is worth noting that T Tauri is the prototype of the T Tauri class of variable stars , which are young stars less than a few million years old in their early stages of formation. History & Background (Dossier) The star Epsilon Tauri lends its name to the Epsilon Tauri Subsector, an alternate name for the Carcosa Subsector - SIMBAD4 rel 1.7 - 2020.11.21CET05:31:39 Available data : Basic data • Identifiers • Plot & images • Bibliography • Measurements • External archives • Notes • Annotations M45- in Taurus- a wee, and an alcyone. It has a temperature of 541 K (268 °C; 514 °F). Epsilon Tauri b is a "super-Jupiter", an exoplanet that has a radius and mass larger than that of the gas giants Jupiter and Saturn. Ain Estimated Age. This information comes from. 54 relations. Ain estimated radius has been calculated as being 12.45 times bigger than the Sun. Proportional calculations for most known G- class stars. Search this site. The habital zone might not appear on the picture because its outside the area for the picture. Edasich-l: in Draco is a connect. It has moderate eccentricity.[2]. With an apparent magnitude of 1.65, it is the second brightest star in Taurus, after Aldebaran, and the 27th brightest star in the sky., and the 27th brightest star in the sky. Luminosity is the amount of energy that a star pumps out and its relative to the amount that our star, the Sun gives out. The planet orbits a (K-type) giant star named Epsilon Tauri. Predicting accurate stellar angular diameters by the near-infrared surface brightness technique I report on the capabilities of the near-infrared (near-IR) surfacebrightness technique to predict reliable stellar angular diameters asaccurate as ~2 per cent using standard broad-band Johnson photometryin the colour range -0.1 = (V-K)O= 3.7 includingstars of A, F, G, K spectral type. It has an estimated mass of around 7.6 MJ and a potential radius of around 18% larger than Jupiter (1.18 RJ, or 12 R⊕) based on its mass, since it is more massive than the jovian planet. The star is close enough to have had its angular diameter measured, this and a calculation of radius from luminosity and temperature agreeing at 13 times the size of the Sun. has done some calculations as to how long it will take going at differing speeds. In the case of a star, its the galactic centre. Being a reflection nebulae, NGC 1555 shows significant variations in brightness caused by changes in the luminosity of the stars it reflects, which in this case is the famous variable star T Tauri. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. satellite operation launched in 1989 for four years. The star can be seen with the naked eye, that is, you don't need a telescope/binoculars to see it. Ain has an apparent magnitude of 3.53 which is how bright we see the star from Earth. [4] In December 2015, the IAU announced the winning name was Amateru for this planet. This star undergoes erratic changes in luminosity, varying between magnitude 9 to 13 over a period of weeks or months. This star undergoes erratic changes in luminosity, varying between magnitude 9 to 13 over a period of weeks or This shows that, even though it isn't the brightest star in actual luminosity, because it is so close it looks like it. The source of the info is Simbad. RV Tauri - posted in Scientific Amateur Astronomy: RV Tauri is the prototype for a subclass of pulsating stars called type II Cepheids, which are low mass but high luminosity stars near the end of their stellar evolution. The star can not be seen by the naked eye, you need a telescope to see it. The Epsilon Tauri star system lies approximately 45.0pc from Terra, and is located in a Rimward/Rimspinward direction from Terra at bearing 177.6 o Galactic Longitude and -19.9 o South Galactic Latitude. In the RGB stage, the star is fusing Hydrogen in an outer shell and Helium in … "A Planetary Companion to the Hyades Giant ε Tauri", NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars, Final Results of NameExoWorlds Public Vote Released, https://en.wikipedia.org/w/index.php?title=Epsilon_Tauri_b&oldid=972682213, Creative Commons Attribution-ShareAlike License, This page was last edited on 13 August 2020, at 09:49. The star is believed to be about 0.63 Billion years old. It has moderate eccentricity. (Astronomical Unit), the distance between Earth and the Sun. Ain (also called Oculus Boreus, Epsilon Tauri, HR 1409, and HD 28305) has an apparent magnitude of +3.53. If you want that in miles, it is about 911,304,505,350,923.22, based on 1 Ly = 5,878,625,373,183.61 miles. A name is preferred even if its a random made up one by yourself. If you used the 1997 Parallax value, you would get an absolute magnitude of 0.15 If you used the 2007 Parallax value, you would get an absolute magnitude of 0.27. In July 2014, the International Astronomical Union (IAU) launched a process for giving proper names to certain exoplanets. Ain, also designated as ε Tauri (epsilon Tauri), is a double giant star in the constellation of Taurus. Ain visual magnitude is 3.53. [2] Wobbles in the star were detected, and after analyzing the data, it was eventually concluded that there was a planetary companion with a mass 7 times that of Jupiter orbiting Epsilon Tauri every 645 days, or nearly 2 years with an eccentricity of 0.15. This cannot be seen through the naked eye though. Starting from the Pleides then jumping to the "V"-shape feature of the Hyades, T Tauri is located near epsilon Tauri - the star that forms the opening of the "V" figure with the bright star Aldebaran. Epsilon Tauri b orbits its star with nearly 97 times the Sun's luminosity (97 L☉) every 645 days at a distance of 1.93 AU (compared to Mars' orbital distance from the Sun, which is 1.52 AU). Xi and Epsilon Tauri will make their way into the Red Giant stage, our Sun will share this fate. Age Sequence in Small Clusters Associated with Bright … Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. The Galacto-Centric Distance is the distance from the star to the Centre of the Galaxy which is Sagittarius A*. Start training today! Based on the star's spectral type of K0III , Ain's colour and type is orange to red giant star. It has an 11th magnitude companion 182 arcseconds from the primary. The source of the information if it has a Hip I.D. It has exhausted the hydrogen supply in its core and is currently fusing helium. Recent. Epsilon Geminorum 19.2 140 8500 0.03 1.33 Table 1. The data show A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days). [3] The process involved public nomination and voting for the new names. Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 21.04000 which gave the calculated distance to Ain as 155.02 light years away from Earth or 47.53 parsecs. The more massive stars will fuse their hydrogen much faster and move away from the main sequence branch. * Epsilon Tauri may not even be the most However, the presence of a large planet with a highly elliptical orbit in proximity to Epsilon Eridani's habitable zone reduces the likelihood of a terrestrial planet having a stable orbit within the habitable zone. • Though Aldebaran is the 14th brightest star in the night sky, it is one of the brightest stars in near-infrared wavelengths with a J band magnitude of -2.1. Rastaban-beta,... a day,... a 4. Epsilon Tauri (ε Tau, ε Tauri) is an orange giant star, spectral type of K0 III, located approximately 147 light-years [1] away from the Sun in the constellation of Taurus.It is a member of the Hyades open cluster.It has the traditional names Ain (Arabic عين), or Oculus Borealis, both of which mean "eye".. 8E. also in Bootes. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet. If you need the diameter of the star, you just need to multiple the radius by 2. Luminosity: 700 L ☉ Radius: 4.2 R ☉ Temperature: 13,824 ± 47 K: Metallicity +0.08 dex: Age: 100 ± 10 million years: Rotational velocity: 59 km/s: Surface gravity: 3.65 cgs: Constellation: Taurus: Right ascension: 05 h 26 m 17.51312 s: Declination +28° 36′ 26.8262″ Designations Epsilon Tauri tiene un compañero de magnitud 11 ubicado a 182 segundos de arco de la primaria. Aldebaran or Alpha Tauri (Alp Tau) is the brightest naked eye star in the constellation Taurus.With an apparent magnitude of 0.87, Aldebaran is the 14th brightest star in the entire sky (see: 50 Brightest Stars ).Its absolute magnitude is -0.63 and its distance is 65 light years.The Equinox J2000 equatorial coordinates are RA = 04h 35m 55.2s, Dec = +16° 30' 33". Space probe is the case, the star is believed to be about 0.63 years!, therefore the star 's colour and type is orange to red giant star named Epsilon Tauri un... 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