![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Taurus_constellation_map.svg/640px-Taurus_constellation_map.svg.png&w=640&q=50)
72 Tauri
Star in the constellation of Taurus / From Wikipedia, the free encyclopedia
72 Tauri (abbreviated 72 Tau) is a possible binary star in the zodiac constellation of Taurus. It is faintly visible to the naked eye with an apparent visual magnitude of +5.5, although only 0.29° from the brighter υ Tauri. Based upon an annual parallax shift of 7.9 mas seen from Earth, it is around 410 light years from the Sun.
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Taurus |
Right ascension | 04h 27m 17.4508s[1] |
Declination | +22° 59′ 46.778″[1] |
Apparent magnitude (V) | 5.514[2] |
Characteristics | |
Evolutionary stage | main sequence[1] |
Spectral type | B7V[3] |
U−B color index | −0.48[4] |
B−V color index | −0.10[4] |
Astrometry | |
Radial velocity (Rv) | 32.2±1.1[5] km/s |
Proper motion (μ) | RA: −1.409[1] mas/yr Dec.: −13.722[1] mas/yr |
Parallax (π) | 7.9390 ± 0.398 mas[1] |
Distance | 410 ± 20 ly (126 ± 6 pc) |
Absolute magnitude (MV) | +0.21[6] |
Details | |
Mass | 3.47[1] M☉ |
Radius | 2.8[1] R☉ |
Luminosity | 185[1] L☉ |
Surface gravity (log g) | 3.97[1] cgs |
Temperature | 12,689[1] K |
Rotational velocity (v sin i) | 115[7] km/s |
Age | 38[8] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Close