Universe Guide

108 Herculis - HD168913 - HIP89925

108 Herculis is a blue less luminour star that can be located in the constellation of Hercules. 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. 108 Herculis has alternative name(s), 108 Herculis.

Location of 108 Herculis

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 Herculis, the location is 18h 20m 56.97 and +29 d 51 ` 31.7 .

Physical Properties/View of 108 Herculis

108 Herculis has a spectral type of A5m. This means the star is (A) blue coloured 108 Herculis lies at a distance of 187.88 light years away from our Sun and our planet Earth or to put it another way, 57.33 parsecs away from the Sun.

108 Herculis has an apparent magnitude of 5.61 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 108 Herculis has an absolute magnitude of 1.81 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 7500 and 10000 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 Herculis Facts

Traditional Name108 Herculis
Alternative Name(s)108 Herculis
Hipparcos Library I.D.89925
Henry Draper Designation168913
Celestial TypeStar
Absolute Magnitude1.81
Apparent Magnitude5.61
Right Ascension (R.A.)18h 20m 56.97
Declination (Dec.)+29 d 51 ` 31.7
Distance from the Sun / Earth187.88 Light Years
Spectral TypeA5m
Colour (A) blue
Star Type Undetermined
Variable Star ClassConstant, non-variable
Calculated Temperature Range7,500.00 - 10,000.00

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