Universe Guide

106 G. Eri - HD22409 - HIP16780

106 G. Eri is a white to yellow giant star that can be located in the constellation of Eridanus. 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 106 G. Eri

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 106 G. Eri, the location is 03h 35m 57.65 and -11 d 11`38.3 .

Physical Properties/View of 106 G. Eri

106 G. Eri has a spectral type of G7III:. This means the star is (G) white to yellow coloured (III) giant. 106 G. Eri lies at a distance of 379.26 light years away from our Sun and our planet Earth or to put it another way, 116.20 parsecs away from the Sun.

106 G. Eri has an apparent magnitude of 5.56 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 5200 and 6000 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.

106 G. Eri Facts


Traditional Name106 G. Eri
Hipparcos Library I.D.16780
Gould I.D.106
Henry Draper Designation22409
Celestial TypeStar
Apparent Magnitude5.56
Right Ascension (R.A.)03h 35m 57.65
Declination (Dec.)-11 d 11`38.3
Distance from the Sun / Earth379.26 Light Years
Spectral TypeG7III:
Colour (G) white to yellow
Star Type (III) giant.
Variable Star ClassConstant, non-variable
Calculated Temperature Range5,200.00 - 6,000.00


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