Universe Guide

104 Tauri - HD32923 - HIP23835

104 Tauri is a white to yellow 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. 104 Tauri has alternative name(s), 104 Tauri.

Location of 104 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 104 Tauri, the location is 05h 07m 26.68 and +18 d 38 ` 42.0 .

Physical Properties/View of 104 Tauri

104 Tauri has a spectral type of G4V. This means the star is (G) white to yellow coloured (V) main sequence (dwarf star). 104 Tauri lies at a distance of 51.76 light years away from our Sun and our planet Earth or to put it another way, 15.64 parsecs away from the Sun.

104 Tauri has an apparent magnitude of 4.91 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. 104 Tauri has an absolute magnitude of 3.91 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 5,694 Kelvin which is cooler than our own Sun's effective Temperature which is 5,777 Kelvin

104 Tauri Radius has been calculated as being 1.59 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,106,322.02. 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.

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.

104 Tauri Facts

Traditional Name104 Tauri
Alternative Name(s)104 Tauri
Hipparcos Library I.D.23835
Henry Draper Designation32923
Celestial TypeStar
Absolute Magnitude3.91
Apparent Magnitude4.91
Right Ascension (R.A.)05h 07m 26.68
Declination (Dec.)+18 d 38 ` 42.0
Distance from the Sun / Earth51.76 Light Years
Spectral TypeG4V
Colour (G) white to yellow
Star Type (IV) subgiant.
Variable Star ClassConstant, non-variable
Radius (x the Sun)1.59
Calculated Temperature Range5,200.00 - 6,000.00
Mass Compared to the Sun1.00

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