Universe Guide

117 Tauri - HD35802 - HIP25583

117 Tauri is a red giant star that can be located in the constellation of Taurus. HIP is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD. 117 Tauri has alternative name(s), 117 Tauri.

Location of 117 Tauri

The location of the star in the galaxy is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is from celestial equator. The Declination is how up or down compared to the celestial equator and is expressed in degrees. For 117 Tauri, the location is 05h 28m 01.60 and +17 d 14 ` 21.3 .

Physical Properties/View of 117 Tauri

117 Tauri has a spectral type of M1III. This means the star is (M) red coloured (III) giant. 117 Tauri lies at a distance of 704.46 light years away from our Sun and our planet Earth or to put it another way, 215.84 parsecs away from the Sun.

117 Tauri has an apparent magnitude of 5.77 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 117 Tauri has an absolute magnitude of -0.90 which is the apparent magnitude of an object if it were 32.6 light years away or 10 parsecs from Earth. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number. The stars temperature has been calculated at between 2400 and 3700 based on the Class Type and lookup at Wikipedia-Stellar Classification 117 Tauri brightness ranges from a magnitude of 6.000 to a magnitude of 6.000 over its variable period. The smaller the magnitude, the brighter the star.

Source of Information

The source of the information came from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years.

117 Tauri Facts


Traditional Name117 Tauri
Alternative Name(s)117 Tauri
Hipparcos Library I.D.25583
Henry Draper Designation35802
Celestial TypeStar
Absolute Magnitude-0.90
Apparent Magnitude5.77
Right Ascension (R.A.)05h 28m 01.60
Declination (Dec.)+17 d 14 ` 21.3
Distance from the Sun / Earth704.46 Light Years
Spectral TypeM1III
Colour (M) red
Star Type (III) giant.
Variable Star ClassConstant, non-variable
Variable Magnitude Range (Brighter - Dimmer)6.000 - 6.000
Calculated Temperature Range2,400.00 - 3,700.00


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