WASP-76

WASP-76, also known as BD+01 316, is a yellow-white main sequence star in the constellation of Pisces. Since 2014, it has had one suspected stellar companion at a projected separation of 85 astronomical units.^[6][7]

WASP-76

Observation data Epoch J2000      Equinox
Constellation	Pisces
Right ascension	01h 46m 31.8577s[1]
Declination	02° 42′ 02.0332″[1]
Apparent magnitude (V)	9.52[2]
Characteristics
Evolutionary stage	main sequence star
Spectral type	F7V
B−V color index	0.61
J−H color index	0.21
J−K color index	0.3
Astrometry
Radial velocity (Rv)	−1.152±0.0033[3] km/s
Proper motion (μ)	RA: 45.398[1] mas/yr Dec.: -40.819[1] mas/yr
Parallax (π)	5.1204±0.1579 mas[1]
Distance	640 ± 20 ly (195 ± 6 pc)
Details[4]
Mass	1.46±0.07 M☉
Radius	1.73±0.04 R☉
Surface gravity (log g)	4.4±0.1[5] cgs
Temperature	6250±100 K
Metallicity [Fe/H]	0.23±0.1 dex
Rotational velocity (v sin i)	3.3±0.6[5] km/s
Age	5.3+6.1 −2.9[5] Gyr
Other designations
WASP-76, 2MASS J01463185+0242019, Gaia DR2 2512326349403275520
Database references
SIMBAD	data

Planetary system

Size comparison of WASP-76 b, Jupiter and Saturn

The "hot Jupiter" class planet WASP-76b was discovered around WASP-76 in 2013.

The WASP-76 planetary system^[8]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	0.92±0.03 MJ	0.033	1.809886±0.000001	0	88.0±1.6°	1.83±0.06 RJ