Planet K2-290 b

Name K2-290 b
Planet Status Confirmed
Discovered in 2019
Mass 0.0664 ( -0.0664 +0.0 ) MJ
Mass*sin(i)
Semi-Major Axis 0.0923 (± 0.0066) AU
Orbital Period 9.21165 (± 0.00034) day
Eccentricity 0.0
ω
Tperi
Radius 0.273 (± 0.0143) RJ
Inclination 88.14 ( -0.5 +0.6 ) deg
Update 2019-02-07
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457994.7725 (± 0.0016) JD
Secondary transit
λ
Impact Parameter b 0.438 (± 0.023)
Time Vr=0
Velocity Semiamplitude K 6.6 ( -6.6 +0.0 ) m/s
Calculated temperature 1230.0 (± 38.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names EPIC 249624646 b

Star

K2-290
Name K2-290
Distance 275.0 (± 3.8) pc
Spectral type
Apparent magnitude V 10.0
Mass 1.194 ( -0.077 +0.067 ) MSun
Age 4.0 ( -0.8 +1.6 ) Gyr
Effective temperature 6302.0 (± 120.0) K
Radius 1.511 ( -0.022 +0.025 ) RSun
Metallicity [Fe/H] -0.06 (± 0.1)
Detected Disc
Magnetic Field
RA2000 15:39:26.0
Dec2000 -20:11:58
Alternate Names EPIC 249624646
Planetary system
2 planets

More data


Related publications

K2-290: a warm Jupiter and a mini-Neptune in a triple-star system
2019 HJORTH M., JUSTESEN A., HIRANO T., ALBRECHT S., GANDOLFI D. et al.
MNRAS, 484, 3522
paper  arxiv