Planet K2-231 b

Name K2-231 b
Planet Status Confirmed
Discovered in 2018
Mass 0.0227 ( -0.0098 +0.016 ) MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period 13.841 (± 0.001352) day
Eccentricity
ω
Tperi
Radius 0.223 (± 0.018) RJ
Inclination 88.6 ( -0.6 +0.9 ) deg
Update 2018-10-11
Detection Method Primary Transit
Mass Detection Method Theoretical
Radius Detection Method Primary Transit
Primary transit 2457320.00164 ( -0.0034 +0.00354 ) JD
Secondary transit
λ
Impact Parameter b 0.55 ( -0.37 +0.23 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

K2-231
Name K2-231
Distance 295.0 (± 5.0) pc
Spectral type
Apparent magnitude V 12.7
Mass 1.01 (± 0.03) MSun
Age 3.0 (± 0.25) Gyr
Effective temperature 5695.0 (± 50.0) K
Radius 0.95 (± 0.03) RSun
Metallicity [Fe/H] 0.14 (± 0.04)
Detected Disc
Magnetic Field
RA2000 19:16:22.0
Dec2000 -15:46:16
Alternate Names
Planetary system 1 planet

More data


Related publications

K2-231 b: A sub-Neptune exoplanet transiting a solar twin in Ruprecht 147
2018 CURTIS J., VANDERBURG A., TORRES G., KRAUS A., HUBER D. et al.
ApJ, 155, 173
paper  arxiv