Epsilon Tauri (ε Tau / ε Tauri) is a star in the constellation Taurus and a member of the Hyades open cluster. It has the traditional names Ain (Arabic عين), or Oculus Borealus, both of which mean "eye". Another traditional name is Coronis (Greek Κορωνις), referring to one of the Hyades sisters. From the Glossary of Astronomical Terms by the Harvard-Smithsonian Center for Astrophysics: Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. ... It has been suggested that this article or section be merged into Julian epoch. ... This article or section does not cite its references or sources. ... For other uses of the word Taurus see Taurus. ... Equatorial Coordinates Right ascension (abbrev. ... In astronomy, declination (abbrev. ... // Headline text HEY!! HOW ARE YOU ALL?? Its nice of you to come read this page. ... This article is in need of attention from an expert on the subject. ... A light-year or lightyear, symbol ly, is a unit of length. ... Stellar parallax motion The parsec (symbol pc) is a unit of length used in astronomy. ... In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequently refined in terms of other characteristics. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... The Henry Draper Catalogue is an astronomy catalogue with astrometric and spectroscopic data about more than 225,000 stars. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... This article is about the astronomical object. ... This article or section does not cite its references or sources. ... For other uses of the word Taurus see Taurus. ... The Hyades (‘Υάδες) are an open star cluster located in the constellation Taurus. ... The Pleiades is one of the most famous open clusters. ... Arabic ( or just ), is the largest member of the family of Semitic branch of the Afro-Asiatic language family (classification: South Central Semitic) and is closely related to Hebrew, Amharic, and Aramaic. ...

ε Tau belongs to the spectral class K0 and has apparent magnitude +3.6. It is 155 light years away from the Sun, has a luminosity of 90 times that of the Sun and a radius of 13 times solar. The surface temperature of this star is measured at 4925 kelvins. It has an 11th magnitude companion 182 arcseconds from the primary. In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequently refined in terms of other characteristics. ... // Headline text HEY!! HOW ARE YOU ALL?? Its nice of you to come read this page. ... A light-year or lightyear, symbol ly, is a unit of length. ... The Sun is the star at the center of the Solar System. ... Luminosity has different meanings in several different fields of science. ... The Kelvin scale is a thermodynamic (absolute) temperature scale where absolute zero—the lowest possible temperature where nothing could be colder and no heat energy remains in a substance—is defined as zero kelvin (0 K). ... A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 ≈ 7. ...

Since ε Tau lies near the plane of the ecliptic, it is sometimes occulted by the Moon and (very rarely) by planets. The plane of the ecliptic is well seen in this picture from the 1994 lunar prospecting Clementine spacecraft. ... In this July, 1997 still frame captured from video, the bright star Aldebaran has just reappeared on the dark limb of the waning crescent moon in this predawn occultation. ... Apparent magnitude: up to -12. ... For the astrological concept, see Planets in astrology. ...

Refences

• HD 28305 -- Star in double system. SIMBAD Astronomical Database. Retrieved on 2007-01-25.

2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD (or CE) era. ... January 25 is the 25th day of the year in the Gregorian calendar. ...

External Links

• Star Names