Planet K2-291 b

Name K2-291 b
Planet Status Confirmed
Discovered in 2019
Mass 0.02042 (± 0.00365) MJ
Mass*sin(i)
Semi-Major Axis 0.03261 (± 0.00044) AU
Orbital Period 2.225172 ( -7e-06 +7.9e-05 ) day
Eccentricity 0.0
ω
Tperi
Radius
Inclination 85.25 (± 0.2) deg
Update 2019-02-14
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457830.06163 (± 0.001) JD
Secondary transit
λ
Impact Parameter b 0.646 ( -0.026 +0.021 )
Time Vr=0
Velocity Semiamplitude K 3.33 (± 0.59) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names EPIC 247418783 b

Star

K2-291
Name K2-291
Distance 90.23 ( -0.46 +0.51 ) pc
Spectral type
Apparent magnitude V 10.0
Mass 0.934 (± 0.038) MSun
Age 3.72 ( -2.0 +3.7 ) Gyr
Effective temperature 5520.0 (± 60.0) K
Radius 0.899 (± 0.035) RSun
Metallicity [Fe/H] 0.08 (± 0.04)
Detected Disc
Magnetic Field
RA2000 05:05:47.0
Dec2000 +21:32:55
Alternate Names EPIC 247418783
Planetary system 1 planet

More data


Related publications

K2-291 b: A rocky super-Earth in a 2.2 day orbit
2019 KOSIAREK M., BLUNT S., LOPEZ-MORALES M., CROSSFIELD I., SINUKOFF E. et al.
Astron. J., 157, 116
paper  arxiv