Rho Tauri

ρ Tauri

Template:Location mark Location of ρ Tauri (circled)
Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Taurus
Right ascension	Template:RA
Declination	Template:DEC
Apparent magnitude (V)	4.66
Characteristics
Spectral type	A8V
U−B Template:Engvar	+0.09
B−V Template:Engvar	+0.24
Variable type	δ Scuti
Astrometry
Radial velocity (Rv)	+39.6 km/s
Proper motion (μ)	RA: 103.20 mas/yr Dec.: −26.48 mas/yr
Parallax (π)	20.61±0.57 mas
Distance	Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)	+1.26
Details
Mass	1.88 or  Template:Solar mass
Radius	2.9 Template:Solar radius
Luminosity	1.39 Template:Solar luminosity
Surface gravity (log g)	4.02 cgs
Temperature	7,640 K
Metallicity [Fe/H]	−0.46 dex
Rotation	0.833 days
Rotational velocity (v sin i)	117 km/s
Age	1.0 Gyr
Metallicity [Fe/H]	{{{metal_fe2}}} dex
Other designations
ρ Tau, 86 Tau, BD+14 720, FK5 1125, HD 28910, HIP 21273, HR 1444, SAO 94007
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.

Rho Tauri is a white A-type main sequence star with a mean apparent magnitude of +4.66. It is approximately 158 light years from Earth. Classified as a Delta Scuti type variable star, its brightness varies by 0.010 magnitudes over a period of 1.61 hours.

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.