Planet K2-141 c

Name K2-141 c
Planet Status Confirmed
Discovered in 2018
Mass 0.023 ( -0.023 +0.0 ) MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period 7.7485 (± 0.00022) day
Eccentricity 0.0
ω 90.0 deg
Tperi
Radius 0.62 ( -0.25 +0.41 ) RJ
Inclination 87.2 ( -2.0 +1.6 ) deg
Update 2018-02-22
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457751.1546 (± 0.001) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

K2-141
Name K2-141
Distance 61.0 (± 2.0) pc
Spectral type
Apparent magnitude V 11.5
Mass 0.708 (± 0.028) MSun
Age 6.3 ( -4.7 +6.6 ) Gyr
Effective temperature 4599.0 (± 79.0) K
Radius 0.681 (± 0.018) RSun
Metallicity [Fe/H] -0.06 ( -0.1 +0.08 )
Detected Disc
Magnetic Field
RA2000 23:23:40.0
Dec2000 -01:11:21
Alternate Names EPIC 246393474 , 2MASS J23233996-0111215
Planetary system
2 planets

More data


Related publications

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141
2018 MALAVOLTA L., MAYO A., LOUDEN T., RAJPAUL V., BONOMO A. et al.
Astron. J., 155, 107
paper  arxiv  

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours
2017 BARRAGAN O., GANDOLFI D., DAI F., LIVINGSTON J., PERSSON C. et al.
Astron. & Astrophys., submitted
arxiv