Planet WASP-138 b

Name WASP-138 b
Planet Status Confirmed
Discovered in 2016
Mass 1.22 ( -0.08 +0.08 ) MJ
Mass*sin(i) 1.09 ( -0.05 +0.05 ) MJ
Semi-Major Axis 0.0494 (± 0.0007) AU
Orbital Period 3.63443 (± 5e-06) day
Eccentricity
ω
Tperi 2.45733e+06 (± 0.000319) JD
Radius
Inclination 88.5 ( -1.2 +0.9 ) deg
Update 2016-07-27
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b 0.19 ( -0.15 +0.12 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-138
Name WASP-138
Distance 308 (± 51) pc
Spectral type F9
Apparent magnitude V 11.81
Mass 1.22 (± 0.08) MSun
Age
Effective temperature 6272 (± 96) K
Radius 1.36 (± 0.05) RSun
Metallicity [Fe/H] -0.09 (± 0.1)
Detected Disc
Magnetic Field
RA2000 02:46:33.4
Dec2000 -00:27:50
Alternate Names
Planetary system 1 planet

More data


Related publications

From Dense Hot Jupiter to Low Density Neptune: The Discovery of WASP-127b, WASP-136b and WASP-138b
2016 LAM, K., FAEDI, F., BROWN, D., ANDERSON, D., DELREZ & 37 additional authors
Astron. & Astrophys., 599, A3
paper  arxiv  ADS