Universe Guide

108 Virginis - HD129956 - HIP72154

108 Virginis is a blue main sequence dwarf star that can be located in the constellation of Virgo. 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. 108 Virginis has alternative name(s), 108 Virginis.

Location of 108 Virginis

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 108 Virginis, the location is 14h 45m 30.23 and +00 d 43 ` 02.2 .

Physical Properties/View of 108 Virginis

108 Virginis has a spectral type of B9.5V. This means the star is (B) blue coloured (V) main sequence (dwarf star). 108 Virginis lies at a distance of 614.24 light years away from our Sun and our planet Earth or to put it another way, 188.25 parsecs away from the Sun.

108 Virginis has an apparent magnitude of 5.68 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 108 Virginis has an absolute magnitude of -0.69 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 10000 and 30000 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.

108 Virginis Facts

Traditional Name108 Virginis
Alternative Name(s)108 Virginis
Hipparcos Library I.D.72154
Gould I.D.258
Henry Draper Designation129956
Celestial TypeStar
Absolute Magnitude-0.69
Apparent Magnitude5.68
Right Ascension (R.A.)14h 45m 30.23
Declination (Dec.)+00 d 43 ` 02.2
Distance from the Sun / Earth614.24 Light Years
Spectral TypeB9.5V
Colour (B) blue
Star Type (IV) subgiant.
Variable Star ClassConstant, non-variable
Calculated Temperature Range10,000.00 - 30,000.00

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