Planet WASP-157 b

Name WASP-157 b
Planet Status Confirmed
Discovered in 2016
Mass 0.576 ( -0.094 +0.094 ) MJ
Mass*sin(i) 0.574 ( -0.093 +0.093 ) MJ
Semi-Major Axis 0.0529 (± 0.0017) AU
Orbital Period 3.95162 (± 4e-06) day
Eccentricity 0
ω
Tperi
Radius 1.045 ( -0.044 +0.044 ) RJ
Inclination 85.19 ( -0.32 +0.5 ) deg
Update 2016-03-18
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Molecules
Primary transit 2.45726e+06 (± 8.8e-05) JD
Secondary transit
λ
Impact Parameter b 0.868 ( -0.068 +0.022 )
Time Vr=0
Velocity Semiamplitude K 60 (± 4) m/s
Calculated temperature 1339 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-157
Name WASP-157
Distance
Spectral type G2V
Apparent magnitude V 12.9
Mass 1.26 (± 0.12) MSun
Age 1 ( -0.3 +2.8 ) Gyr
Effective temperature 5840 (± 140) K
Radius 1.11 (± 0.046) RSun
Metallicity [Fe/H] 0.34 (± 0.09)
Detected Disc
Magnetic Field
RA2000 13:26:37.0
Dec2000 -08:19:03
Alternate Names
Planetary system 1 planet

More data


Related publications

WASP-157b, a Transiting Hot Jupiter Observed with K2
2016 MOCNIK T., ANDERSON D., BROWN D., COLLIER CAMERON A., DELREZ L. et al.
ApJ, 128, 124403
paper  arxiv