Universe Guide

116 G. Cen - HD107998 - HIP60549

116 G. Cen is an orange to red giant star that can be located in the constellation of Centaurus. 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. The Id of the star in the Gould Star Catalogue is . Stars in the southern hemisphere are more likely to have a Gould Id than the northern hemisphere. For example, there are no Gould classified stars in Ursa Major.

Location of 116 G. Cen

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 116 G. Cen, the location is 12h 24m 44.77 and -41 d 23`02.8 .

Physical Properties/View of 116 G. Cen

116 G. Cen has a spectral type of K2/K3III. This means the star is (K) orange to red coloured (III) giant. 116 G. Cen lies at a distance of 497.96 light years away from our Sun and our planet Earth or to put it another way, 152.38 parsecs away from the Sun.

116 G. Cen has an apparent magnitude of 6.24 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 116 G. Cen has an absolute magnitude of 0.32 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 star's temperature has been calculated at being about 4200 Kelvin. (Based on the b-v value of 1.16 and the lookup on SDSS.)

116 G. Cen Radius has been calculated as being 15.22 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 10,589,762.98. km.

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.

116 G. Cen Facts


Traditional Name116 G. Cen
Hipparcos Library I.D.60549
Gould I.D.116
Henry Draper Designation107998
Celestial TypeStar
Absolute Magnitude0.32
Apparent Magnitude6.24
Right Ascension (R.A.)12h 24m 44.77
Declination (Dec.)-41 d 23`02.8
Distance from the Sun / Earth497.96 Light Years
Spectral TypeK2/K3III
Colour (K) orange to red
Star Type (III) giant.
Variable Star ClassConstant, non-variable
Radius (x the Sun)15.22
Calculated Temperature Range3,700.00 - 5,200.00


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