Planet WASP-20 b

Name WASP-20 b
Planet Status Confirmed
Discovered in 2011
Mass 0.313 ( -0.018 +0.018 ) MJ
Mass*sin(i)
Semi-Major Axis 0.06003 (± 0.00067) AU
Orbital Period 4.8996285 (± 3.4e-06) day +
Eccentricity 0.0
ω
Tperi
Radius 1.459 ( -0.057 +0.057 ) RJ
Inclination 85.57 (± 0.022) deg
Update 2014-02-07
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2455715.65562 (± 0.00028) JD
Secondary transit
λ 8.1 (± 3.6) deg
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 1379.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-20
Name WASP-20
Distance 210.0 (± 20.0) pc
Spectral type
Apparent magnitude V 10.68
Mass 1.202 (± 0.04) MSun
Age 7.0 ( -2.0 +1.0 ) Gyr
Effective temperature 5950.0 (± 100.0) K
Radius 1.392 (± 0.044) RSun
Metallicity [Fe/H] -0.009 (± 0.061)
Detected Disc
Magnetic Field
RA2000 00:20:38.5
Dec2000 -23:56:09
Alternate Names CD-24 102, TYC 6413-439-1, 2MASS J00203853-2356086
Planetary system 1 planet

More data

Observability Predictor

Remarks

7 Sep 2011: This object waits for publication in a refereed journal

Related publications

WASP-20 is a close visual binary with a transiting hot Jupiter
2016 EVANS D., SOUTHWORTH J. & SMALLEY B.
ApJ Lett, 833, L9
paper  arxiv  ADS

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
2015 ANDERSON D., COLLIER CAMERON A., HELLIER C., LENDL M., LISTER T. et al.
Astron. & Astrophys., 575, A61
paper  arxiv  ADS  

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Status of the WASP-South Search for Transiting Planets
2011 HELLIER C.

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5