Planet LHS 1140 c

Name LHS 1140 c
Planet Status Confirmed
Discovered in 2018
Mass 0.00569 (± 0.00123) MJ
Mass*sin(i)
Semi-Major Axis 0.02675 (± 0.0007) AU
Orbital Period 3.777931 (± 3e-06) day
Eccentricity 0.0 ( -0.0 +0.31 )
ω
Tperi
Radius 0.11437 (± 0.00214) RJ
Inclination 89.92 ( -0.09 +0.06 ) deg
Update 2018-08-03
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458226.84317 (± 2.6e-05) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 2.35 (± 0.49) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

LHS 1140
Name LHS 1140
Distance 12.47 (± 0.42) pc
Spectral type M4.5
Apparent magnitude V 14.15
Mass 0.146 (± 0.019) MSun
Age 5.0 ( -0.0 +8.0 ) Gyr
Effective temperature 3131.0 (± 100.0) K
Radius 0.186 (± 0.013) RSun
Metallicity [Fe/H] -0.24 (± 0.1)
Detected Disc
Magnetic Field
RA2000 00:44:59.0
Dec2000 -15:16:17
Alternate Names
Planetary system
2 planets

More data


Related publications

A second planet with an Earth-like composition orbiting the nearby M dwarf LHS 1140
2019 MENT, K., DITTMANN, J., ASTUDILLO-DEFRU, N., CHARBONNEAU, D., IRWIN, J. et al.
Astron. J., 157, 32
paper  arxiv  ADS  

A search for technosignatures from TRAPPIST-1, LHS 1140, and 10 planetary systems in the Kepler field with the Green Bank Telescope at 1.15-1.73 GHz
2019 PINCHUK P., MARGOT J.-L., GREENBERG A., AYALDE Th., BLOXHAM Ch. et al.
Astron. J., submitted
arxiv  

A temperate rocky super-Earth transiting a nearby cool star
2017 DITTMANN J., IRWIN J., CHARBONNEAU D., BONFILS X., ASTUDILLO-DEFRU N., et al.
Nature, 544, 333
paper  arxiv  ADS