Name | LHS 1140 b | ||
Planet Status | Confirmed | ||
Discovered in | 2017 | ||
Mass | 0.02196 (± 0.0028) MJ | ![]() |
+ |
Mass*sin(i) | — | ||
Semi-Major Axis | 0.0936 (± 0.0024) AU | ![]() |
+ |
Orbital Period | 24.736 (± 0.00025) day | ![]() |
+ |
Eccentricity | 0.06 ( -0.06 +0.0 ) | ![]() |
+ |
ω | — | ||
Tperi | — | ||
Radius | 0.15407 (± 0.00285) RJ | ![]() |
+ |
Inclination | 89.912 (± 0.07) deg | ![]() |
|
Update | 2022-03-02 | ||
Detection Method | Primary Transit | ||
Mass Detection Method | Radial Velocity | ||
Radius Detection Method | Primary Transit | ||
Primary transit | 2456915.6997 (± 0.0054) JD | ![]() |
|
Secondary transit | — | ||
λ | — | ||
Impact Parameter b | — | ||
Time Vr=0 | — | ||
Velocity Semiamplitude K | 5.34 (± 1.1) m/s | ![]() |
|
Calculated temperature | 230.0 K | ![]() |
|
Measured temperature | — | ||
Hottest point longitude | — | ||
Geometric albedo | — | ||
Surface gravity log(g/gH) | — | ||
Alternate Names | TOI-256 b |
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 |
Planetary Parameters, XUV Environments, and Mass-loss Rates for Nearby Gaseous Planets with X-Ray-detected Host Stars
2023
SPINELLI R., GALLO H., HAARDT F., CALDIROLI A., BIASSONI F. et al.
Astron. J, 165, 200
paper
Atmospheres of Rocky Exoplanets
2022
WORDSWORTH R. & KREIDBERG L.
Ann. Rev. Astron. and Astrophysics, 60, 159
paper arxiv
The Effects of Stellar Gravity Darkening on High-resolution Transmission Spectra
2022
WILSON CAULEY P. & AHLERS J.
Astron. J., 163, 122
paper
On The Hydrosphere Stability of TESS Targets: Applications to 700 d, 256 b, and 203 b
2022
BONNEY P. & KENNEFICK J.
Plan. Sci. J., 3, 202
paper arxiv
Hubble WFC3 Spectroscopy of the Habitable-zone Super-Earth LHS 1140 b
2021
EDWAEDS B., CHANGEAT Q., MORI M., ANISMAN L., MORVAN M. et al.
161, 44
paper
Exploring the Nature of a Temperate Exoplanet in the Fulton Gap
2021
DAMIANO M. et al.
JWST GO Programme
abstract
Machine learning techniques in studies of the interior structure of rocky exoplanets
2021
ZHAO Y. & NI D.
Astron. & Astrophys., in press
paper
Planetary system LHS 1140 revisited with ESPRESSO and TESS
2020
LILLO-BOX J., FIGUEIRA P., LELEU A., ACUÑA L., FARIA J. et al.
Astron. & Astrophys., 642, A121
paper arxiv
Diverse outcomes of planet formation and composition around low-mass stars and brown dwarfs
2020
MIGUEL Y., CRIDLAND A., ORMEL C., FORTNEY J. & IDA S.
MNRAS, 491, 1998
paper arxiv
Tidal evolution of exoplanetary systems hosting potentially habitable exoplanets. The cases of LHS-1140 b-c and K2-18 b-c
2020
GOMES G. & FERRAZ-MELLO S.
MNRAS, 494, 5082
paper arxiv
Detectability of biosignatures on LHS 1140 b
2020
WUNDERLICH F., SCHEURER M., GRENFELL J., SCHREIER F., SOUSA-SILVA C. et al.
Astron. & Astrophys., 647, A48
paper arxiv
Simultaneous Optical Transmission Spectroscopy of a Terrestrial, Habitable-Zone Exoplanet with Two Ground-Based Multi-Object Spectrographs
2019
DIAMOND-LOWE H., BERTA-THOMPSON Z., CHARBONNEAU D., DITTMANN J. & KEMPTON E.
Astron. J., submitted
arxiv
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., 157, 122
paper arxiv
What factors affect the duration and outgassing of the terrestrial magma ocean?
2019
NIKOLAOU A., KAYTAL N., TOSI N., GODOLT M., GRENFELL J. & RAUER H.
ApJ, submitted
arxiv
Detectability of atmospheric features of Earth-like planets in the habitable zone around M dwarfs
2019
WUNDERLICH F., GODOLT M., GRENFELL J., STÄDT S., SMITH A. et al.
Astron. & Astrophys., 624, A49
paper arxiv
Transition from eyeball to snowball driven by sea-ice drift on tidally locked terrestrial planets
2019
YANG J., JI W. & ZENG Y.
Nature Astronomy, in press
paper
Characterizing Exoplanet Habitability
2019
KOPPARAPU R., WOLF E. & MEADOWS V.
Book chapter for "Planetary Astrobiology"
arxiv
Minimizing the bias in exoplanet detection - application to radial velocities of LHS 1140
2018
FENG, F., TUOMI, M. & H. JONES
MNRAS, submitted
arxiv
paper
ADS
The Impact of Stellar Distances on Habitable Zone Planets
2018
S. KANE
ApJL, 861, L21
arxiv
ADS
Habitability of exoplanet waterworlds
2018
KITE E. & FORD E.
ApJ, 864, 75
arxiv
paper
Hydrohalite Salt-albedo Feedback Could Cool M-dwarf Planets
2018
SHIELDS, A. & R. CARNS
ApJ, 867, 11
paper
arxiv
ADS
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