Planet K2-137 b

Name K2-137 b
Planet Status Confirmed
Discovered in 2017
Mass 0.5 MJ
Mass*sin(i)
Semi-Major Axis 0.0058 (± 0.0006) AU
Orbital Period 0.179715 (± 1e-06) day
Eccentricity 0.0
ω
Tperi
Radius 0.079 ( -0.008 +0.008 ) RJ
Inclination 89.6 (± 3.3) deg
Update 2021-02-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit 2457583.0242 (± 0.0004) JD
Secondary transit
λ
Impact Parameter b 0.02 (± 0.1)
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 1471.0 (± 47.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names EPIC 228813918 b, 2MASS J12272899-0611428 b, WISE J122728.92-061142.7 b

Star

K2-137
Name K2-137
Distance 99.15 ( -0.61 +0.61 ) pc
Spectral type M3 V
Apparent magnitude V 15.498
Mass 0.46 ( -0.05 +0.05 ) MSun
Age
Effective temperature 3492.0 (± 70.0) K
Radius 0.44 ( -0.04 +0.04 ) RSun
Metallicity [Fe/H] 0.08 (± 0.12)
Detected Disc
Magnetic Field
RA2000 12:27:29.0
Dec2000 -06:11:43
Alternate Names 2MASS J12272899-0611428, EPIC 228813918, EPIC 228813918, WISE J122728.92-061142.7
Planetary system 1 planet

More data


Related publications

Revised instellation patterns for close-in exoplanets
2020 SADH M.
MNRAS, 499, 1627
paper  arxiv

Impact of Space Weather on Climate and Habitability of Terrestrial Type Exoplanets
2019 AIRAPETIAN V., BARNES R., COHEN O., COLLINSON G., DANCHI W. et al.
Int. J. Astrobiol., in press
paper

K2-137 b: an Earth-sized planet in a 4.3-h orbit around an M-dwarf
2018 SMITH A. M. S., CABRERA J., CSIZMADIA S., DAI F., GANDOLFI D. et al.
Monthly Notices of the Royal Astronomical Society, 474, 5523
ADS

K2-137 b: an Earth-sized planet in a 4.3-hour orbit around an M-dwarf
2017 SMITH A., CABRERA J., CSIZMADIA Sz., DAI F., GANDOLFI D. et al.
MNRAS, in press
paper  arxiv