WASP-20

WASP-20
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus[1]
Right ascension 00h 20m 38.53504s[2]
Declination −23° 56′ 08.6028″[2]
Apparent magnitude (V) 10.779[3]
Characteristics
Spectral type F9V[4]
Astrometry
Radial velocity (Rv)1.26±0.85[2] km/s
Proper motion (μ) RA: 1.352 mas/yr[2]
Dec.: -14.739 mas/yr[2]
Parallax (π)3.4699 ± 0.7095 mas[2]
Distanceapprox. 900 ly
(approx. 290 pc)
Details[5]
Mass1.200±0.041 M☉
Radius1.392±0.044 R☉
Temperature5940±100 K
Metallicity [Fe/H]−0.008±0.060 dex
Rotational velocity (v sin i)4.75±0.51 km/s
Age7.0+2.0
−1.0 Gyr
Other designations
CD−24 102, TOI-194, TIC 211438925, WASP-20, TYC 6413-439-1, GSC 06413-00439, 2MASS J00203853-2356086[3]
Database references
SIMBADdata

WASP-20, also known as CD-24 102, is a binary star[4] system in the equatorial constellation Cetus, located at a distance of about 940 light-years (290 parsecs) from the Sun. The primary star is an F-type main sequence star and hosts one confirmed exoplanet, WASP-20b.[6]

  1. ^ "Finding the constellation which contains given sky coordinates". djm.cc. 2 August 2008.
  2. ^ a b c d e Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Evans2016 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Bonomo2017 was invoked but never defined (see the help page).
  6. ^ "WASP-20 | NASA Exoplanet Archive".