WASP-29

WASP-29
Observation data
Epoch J2000      Equinox J2000
Constellation Phoenix
Right ascension 23h 51m 31.08391s
Declination −39° 54 24.2582
Apparent magnitude (V) 11.33
Characteristics
WASP-29A
Evolutionary stage main sequence star
Spectral type K4V
B−V color index 0.82
J−H color index 0.478
J−K color index 0.570
WASP-29B
Spectral type M3V
Astrometry
Radial velocity (Rv)24.31±0.20 km/s
Proper motion (μ) RA: −56.767(14) mas/yr
Dec.: −88.988(13) mas/yr
Parallax (π)11.4349±0.0151 mas
Distance285.2 ± 0.4 ly
(87.5 ± 0.1 pc)
Position (relative to WASP-29A)
ComponentWASP-29B
Epoch of observation2021
Angular distance125.2
Projected separation10994 AU
Details
WASP-29A
Mass0.825±0.033 M
Radius0.808±0.044 R
Surface gravity (log g)4.5±0.2 cgs
Temperature4800±150 K
Metallicity [Fe/H]0.11±0.14 dex
Rotational velocity (v sin i)1.50±0.60 km/s
Age14+0
−7
 Gyr
WASP-29B
Mass0.38 M
Other designations
CD−40 15273, TOI-192, TIC 183537452, WASP-29, TYC 8015-1020-1, 2MASS J23513108-3954241, DENIS J235131.0-395423
WASP-29A: Gaia DR3 6534414719318886144
WASP-29B: Gaia DR3 6534426740931264896
Database references
SIMBADdata

WASP-29 is a binary star system 285 light-years (87 parsecs) away in the constellation of Phoenix. The primary star is a K-type main-sequence star. Its comoving companion, a red dwarf star, was discovered in 2021. The star system kinematically belongs to the thin disk of the Milky Way. The primary is an old star with small starspot activity and low x-ray flux.