-
Hyades, with ρ Tau appearing blue, left of center, marked with a red arrow
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Taurus |
Right ascension | 04h 33m 50.91753s [1] |
Declination | +14° 50′ 39.9232″ [1] |
Apparent magnitude (V) | 4.66 [2] |
Characteristics | |
Spectral type | A8V [3] |
U−B color index | +0.09 [2] |
B−V color index | +0.24 [2] |
Variable type | δ Scuti [4] |
Astrometry | |
Radial velocity (Rv) | +39.6 [5] km/s |
Proper motion (μ) |
RA: 103.20
[1]
mas/
yr Dec.: −26.48 [1] mas/ yr |
Parallax (π) | 20.61 ± 0.57 mas [1] |
Distance | 158 ± 4
ly (49 ± 1 pc) |
Absolute magnitude (MV) | +1.26 [6] |
Details | |
Mass | 1.88 [6] or 2.09 ± 0.21 [7] M☉ |
Luminosity | 1.39 [7] L☉ |
Surface gravity (log g) | 4.02 [7] cgs |
Temperature | 7,640 [7] K |
Rotational velocity (v sin i) | 117 [6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Rho Tauri (ρ Tau, ρ Tauri) is a star in the constellation Taurus and a member of the Hyades star cluster. [7]
Rho Tauri is a white A-type main sequence dwarf with a mean apparent magnitude of +4.66. It is approximately 158 light years from Earth. Classified as a Delta Scuti type [7] variable star, its brightness varies by 0.010 magnitudes over a period of 1.61 hours. [4]
It has 1.88 times the mass of the Sun, with a projected rotational velocity of 117 km/s and an estimated rotation period of 488.5 days. [6]
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Taurus |
Right ascension | 04h 33m 50.91753s [1] |
Declination | +14° 50′ 39.9232″ [1] |
Apparent magnitude (V) | 4.66 [2] |
Characteristics | |
Spectral type | A8V [3] |
U−B color index | +0.09 [2] |
B−V color index | +0.24 [2] |
Variable type | δ Scuti [4] |
Astrometry | |
Radial velocity (Rv) | +39.6 [5] km/s |
Proper motion (μ) |
RA: 103.20
[1]
mas/
yr Dec.: −26.48 [1] mas/ yr |
Parallax (π) | 20.61 ± 0.57 mas [1] |
Distance | 158 ± 4
ly (49 ± 1 pc) |
Absolute magnitude (MV) | +1.26 [6] |
Details | |
Mass | 1.88 [6] or 2.09 ± 0.21 [7] M☉ |
Luminosity | 1.39 [7] L☉ |
Surface gravity (log g) | 4.02 [7] cgs |
Temperature | 7,640 [7] K |
Rotational velocity (v sin i) | 117 [6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Rho Tauri (ρ Tau, ρ Tauri) is a star in the constellation Taurus and a member of the Hyades star cluster. [7]
Rho Tauri is a white A-type main sequence dwarf with a mean apparent magnitude of +4.66. It is approximately 158 light years from Earth. Classified as a Delta Scuti type [7] variable star, its brightness varies by 0.010 magnitudes over a period of 1.61 hours. [4]
It has 1.88 times the mass of the Sun, with a projected rotational velocity of 117 km/s and an estimated rotation period of 488.5 days. [6]