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 0.0499 ( -0.0006 +0.0006 ) AU
Orbital Period 3.951623 ( -1.8e-05 +1.8e-05 ) day
Eccentricity 0.0
ω
Tperi
Radius 0.998 ( -0.025 +0.025 ) RJ
Inclination 85.19 ( -0.32 +0.5 ) deg
Update 2021-02-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457257.80319 (± 8.8e-05) JD
Secondary transit
λ
Impact Parameter b 0.87 ( -0.01 +0.01 )
Time Vr=0
Velocity Semiamplitude K 60.0 (± 4.0) m/s
Calculated temperature 1193.0 ( -24.0 +24.0 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names 1SWASP J132637.24-081903.2 b, 2MASS J13263727-0819033 b, EPIC 212697709 b, EPIC 212697709.01, K2-41 b, TYC 5544-00596-1 b, WISE J132637.24-081903.4 b

Star

WASP-157
Name WASP-157
Distance 337.71 ( -6.33 +6.33 ) pc
Spectral type G2 V
Apparent magnitude V 12.9
Mass 1.06 ( -0.04 +0.04 ) MSun
Age 1.0 ( -0.3 +2.8 ) Gyr
Effective temperature 5772.0 ( -86.0 +86.0 ) K
Radius 1.1 ( -0.03 +0.03 ) RSun
Metallicity [Fe/H] 0.25 ( -0.06 +0.06 )
Detected Disc
Magnetic Field
RA2000 13:26:37.2
Dec2000 -08:19:03
Alternate Names 1SWASP J132637.24-081903.2, 2MASS J13263727-0819033, EPIC 212697709, K2-41, TYC 5544-596-1, WISE J132637.24-081903.4
Planetary system 1 planet

More data


Related publications

Sixty Validated Planets from K2 Campaigns 5-8
2018 LIVINGSTON J., CROSSFIELD I., PETIGURA E., GONZALES E., CIARDI D. et l.
Astron. J., 156, 277
paper  arxiv  

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