WASP-107

WASP-107 (also known as TOI-1905) is a K6V-type main sequence star located 210 light-years from Earth in the constellation of Virgo. It has a mass of 0.68 solar masses with a radius of 0.67 solar radii. It has a temperature of 4425 Kelvin with a brightness of 0.132 solar luminosity and is around 3.4 billion years old.^[5]

WASP-107

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Virgo[1]
Right ascension	12h 33m 32.844s[2]
Declination	−10° 08′ 46.23″[2]
Apparent magnitude (V)	11.47[3]
Characteristics
Evolutionary stage	Main sequence[4]
Spectral type	K6[5] or K7V[4]
Astrometry
Radial velocity (Rv)	+14.06±0.20[2] km/s
Proper motion (μ)	RA: −96.665 mas/yr[2] Dec.: −9.372 mas/yr[2]
Parallax (π)	15.5277±0.0260 mas[2]
Distance	210.0 ± 0.4 ly (64.4 ± 0.1 pc)
Details[5]
Mass	0.683+0.017 −0.016 M☉
Radius	0.67±0.02 R☉
Luminosity	0.132±0.003 L☉
Surface gravity (log g)	4.633±0.012 cgs
Temperature	4425±70 K
Metallicity [Fe/H]	+0.02±0.09 dex
Rotation	17.1±1.0 d[6]
Rotational velocity (v sin i)	0.507+0.072 −0.086[6] km/s
Age	3.4±0.7 Gyr
Other designations
K2-235, EPIC 228724232, TOI-1905, TIC 429302040, WASP-107, TYC 5530-1795-1, 2MASS J12333284-1008461, GALAH 160403003601196[7]
Database references
SIMBAD	data
Exoplanet Archive	data

Planetary system

There are currently two exoplanets that have been discovered orbiting WASP-107; they are WASP-107b, a warm super-Neptunian planet, and WASP-107c, a gas giant planet.^[8]

The WASP-107 planetary system^[5]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	0.096±0.005 MJ	0.0566±0.0017	5.7214742(43)[6]	0.06±0.04	89.560(78)[6]°	0.96±0.03 RJ
c	≥0.36±0.04 MJ	—	1088+15 −16	0.28±0.07	—	—