Universe Guide

13 Trianguli - HD15335 - HIP11548

13 Trianguli is a white to yellow main sequence dwarf star that can be located in the constellation of Triangulum. 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. 13 Trianguli has alternative name(s), 13 Trianguli.

Location of 13 Trianguli

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 13 Trianguli, the location is 02h 28m 48.54 and +29 d 55 ` 53.7 .

Physical Properties/View of 13 Trianguli

13 Trianguli has a spectral type of G0V. This means the star is (G) white to yellow coloured (V) main sequence (dwarf star). 13 Trianguli lies at a distance of 100.42 light years away from our Sun and our planet Earth or to put it another way, 30.66 parsecs away from the Sun.

13 Trianguli has an apparent magnitude of 5.89 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 13 Trianguli has an absolute magnitude of 3.45 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 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.

13 Trianguli Facts


Traditional Name13 Trianguli
Alternative Name(s)13 Trianguli
Hipparcos Library I.D.11548
Henry Draper Designation15335
Celestial TypeStar
Absolute Magnitude3.45
Apparent Magnitude5.89
Right Ascension (R.A.)02h 28m 48.54
Declination (Dec.)+29 d 55 ` 53.7
Distance from the Sun / Earth100.42 Light Years
Spectral TypeG0V
Colour (G) white to yellow
Star Type (IV) subgiant.
Variable Star ClassConstant, non-variable
Calculated Temperature Range5,200.00 - 6,000.00


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