Universe Guide

111 Tauri - HD35296 - HIP25278

111 Tauri is a blue to white main sequence dwarf star that can be located in the constellation of Taurus. 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. 111 Tauri has alternative name(s), 111 Tauri.

Location of 111 Tauri

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 111 Tauri, the location is 05h 24m 25.31 and +17 d 23 ` 00.8 .

Physical Properties/View of 111 Tauri

111 Tauri has a spectral type of F8V SB. This means the star is (F) blue to white coloured (V) main sequence (dwarf star). 111 Tauri lies at a distance of 47.83 light years away from our Sun and our planet Earth or to put it another way, 14.41 parsecs away from the Sun.

111 Tauri has an apparent magnitude of 5.00 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 111 Tauri has an absolute magnitude of 4.17 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 effective temperature is 6,202 Kelvin which is hotter than our own Sun's effective Temperature which is 5,777 Kelvin.

111 Tauri Radius has been calculated as being 1.16 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 807,127.98. km. The star's solar mass is 1.00 times that of the Sun's. The Sun's Mass is 1,989,100,000,000,000,000,000 billion kg. which to calculate using this website is too large. To give idea of size, the Sun is 99.86% the mass of the solar system. 111 Tauri brightness ranges from a magnitude of 5.000 to a magnitude of 5.000 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 4.0 days (variability).

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.

111 Tauri Facts


Traditional Name111 Tauri
Short NameV1119 Tau
Alternative Name(s)111 Tauri
Hipparcos Library I.D.25278
Henry Draper Designation35296
Celestial TypeStar
Absolute Magnitude4.17
Apparent Magnitude5.00
Right Ascension (R.A.)05h 24m 25.31
Declination (Dec.)+17 d 23 ` 00.8
Distance from the Sun / Earth47.83 Light Years
Spectral TypeF8V SB
Colour (F) blue to white
Star Type (IV) subgiant.
Variable Star ClassConstant, non-variable
Mean Variability Period in Days4.000
Variable Magnitude Range (Brighter - Dimmer)5.000 - 5.000
Radius (x the Sun)1.16
Calculated Temperature Range6,000.00 - 7,500.00
Mass Compared to the Sun1.00


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