Planet K2-238 b

Name K2-238 b
Planet Status Confirmed
Discovered in 2018
Mass 0.86 ( -0.12 +0.13 ) MJ
Mass*sin(i)
Semi-Major Axis 0.046 ( -0.006 +0.007 ) AU
Orbital Period 3.20466 (± 3e-05) day
Eccentricity 0.0
ω 90.0 deg
Tperi
Radius 1.3 ( -0.14 +0.15 ) RJ
Inclination 84.5 ( -1.5 +1.8 ) deg
Update 2018-10-26
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2457740.5036 (± 0.0004) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 100.0 (± 10.0) m/s
Calculated temperature 1587.0 ( -76.0 +75.0 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

K2-238
Name K2-238
Distance 453.0 ( -46.0 +72.0 ) pc
Spectral type G2V
Apparent magnitude V 13.75
Mass 1.19 (± 0.08) MSun
Age 5.63 ( -1.97 +1.05 ) Gyr
Effective temperature 5630.0 (± 78.0) K
Radius 1.59 (± 0.16) RSun
Metallicity [Fe/H] 0.34 (± 0.04)
Detected Disc
Magnetic Field
RA2000 23:10:49.0
Dec2000 -07:51:27
Alternate Names
Planetary system 1 planet

More data


Related publications

K2-237 b and K2-238 b: discovery and characterization of two new transiting hot Jupiters from K2
2018 SOTO, M., DÍAS, M. JENKINS, J., ROJAS, F. ESPINOZA N. et al.
MNRAS, 478, 5356
arxiv  paper   ADS