![]() Elnath is the β star in Taurus (map: top left). |
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Observation data Epoch J2000 Equinox J2000 |
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Constellation | Taurus |
Right ascension | 05 |
Declination | 28° 36′ 27.494″ |
Apparent magnitude (V) | 1.68 |
Characteristics | |
Spectral type | B7III |
U−B color index | -0.49 |
B−V color index | -0.13 |
Variable type | None |
Astrometry | |
Radial velocity (Rv) | 9.2 km/s |
Proper motion (μ) | RA: 23.28 mas/yr |
Parallax (π) | 24.89 ± 0.88mas |
Distance | 131 ± 5 ly (40 ± 1 pc) |
Absolute magnitude (MV) | -1.34 |
Details | |
Mass | 5.0 ± 0.1M☉ |
Radius | 4.2R☉ |
Luminosity | 700L☉ |
Temperature | 13,824 ± 475K |
Metallicity [Fe/H] | -0.10dex |
Rotational velocity (v sin i) | 82 km/s |
Age | 100 ± 10Myr |
Other designations | |
Elnath, El Nath, Alnath, β Tau, γ Aur, 112 Tau, BD +28°795, BD+23 541, CCDM 05263+2836, FK5 202, HD 35497, HR 1791, HIP 25428, SAO 77168, GC 6681.
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Database references | |
SIMBAD | data |