Universe Guide

10 Andromedae - HD219981 - HIP115191

10 Andromedae is a red giant star that can be located in the constellation of Andromeda. 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. 10 Andromedae has alternative name(s), 10 Andromedae.

Location of 10 Andromedae

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 10 Andromedae, the location is 23h 19m 52.38 and +42 d 04`40.9 .

Physical Properties/View of 10 Andromedae

10 Andromedae has a spectral type of M0III. This means the star is (M) red coloured (III) giant. 10 Andromedae lies at a distance of 542.70 light years away from our Sun and our planet Earth or to put it another way, 166.17 parsecs away from the Sun.

10 Andromedae has an apparent magnitude of 5.81 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 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

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.

10 Andromedae Facts


Traditional Name10 Andromedae
Alternative Name(s)10 Andromedae
Hipparcos Library I.D.115191
Henry Draper Designation219981
Celestial TypeStar
Apparent Magnitude5.81
Right Ascension (R.A.)23h 19m 52.38
Declination (Dec.)+42 d 04`40.9
Distance from the Sun / Earth542.70 Light Years
Spectral TypeM0III
Colour (M) red
Star Type (III) giant.
Variable Star ClassConstant, non-variable
Calculated Temperature Range2,400.00 - 3,700.00


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