Planet GJ 1132 b

Name GJ 1132 b
Planet Status Confirmed
Discovered in 2015
Mass 0.00522 (± 0.00072) MJ
Mass*sin(i)
Semi-Major Axis 0.0154 (± 0.0015) AU
Orbital Period 1.628931 (± 2.7e-05) day
Eccentricity 0.0
ω
Tperi
Radius 0.1035 (± 0.0098) RJ
Inclination
Update 2018-11-15
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457184.55786 (± 0.00032) JD
Secondary transit
λ
Impact Parameter b 0.38 (± 0.14)
Time Vr=0
Velocity Semiamplitude K 2.85 (± 0.34) m/s
Calculated temperature 580.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 1132
Name GJ 1132
Distance 12.04 (± 0.24) pc
Spectral type M3.5
Apparent magnitude V 13.5
Mass 0.181 (± 0.019) MSun
Age 5.0 ( -0.0 +10.0 ) Gyr
Effective temperature 3270.0 (± 140.0) K
Radius 0.207 (± 0.016) RSun
Metallicity [Fe/H] -0.12 (± 0.15)
Detected Disc
Magnetic Field
RA2000 10:14:52.0
Dec2000 -47:09:24
Alternate Names
Planetary system
2 planets

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
CO2 Measurements Detected 2016 - SCHAEFER L.
H2 Measurements Detected 2016 - SCHAEFER L.
N2 Measurements Detected 2016 - SCHAEFER L.
O2 Measurements Detected 2016 - SCHAEFER L.

Observability Predictor


Related publications

A New Line-By-Line General Circulation Model for Simulations of Diverse Planetary Atmospheres: Initial Validation and Application to the Exoplanet GJ 1132b
2019 DING F. & WORDSWORTH R.
ApJ, accepted
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

Lyman-alpha in the GJ 1132 System: Stellar Emission and Planetary Atmospheric Evolution
2019 WAALKES W., BERTA-THOMPSON Z., BOURRIER V., NEWTON E., EHRENREICH D. et al.
ApJ, submitted
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  

A Scaling Theory for Atmospheric Heat Redistribution on Rocky Exoplanets
2019 KOLL D.
ApJ
arxiv

Radial velocity follow-up of GJ1132 with HARPS. A precise mass for planet 'b' and the discovery of a second planet
2018 BONFILS X., ALMENARA J.-M., CLOUTIER R., WÜNSCHE A., ASTUDILLO-DEFRU N. et al.
Astron. & Astrophys., accepted
arxiv  

Ground-based optical transmission spectroscopy of the small, rocky exoplanet GJ 1132b
2018 DIAMOND-LOWE H., BERTA-THOMPSON Z., CHARBONNEAU D. & KEMPTON E.
Astron. J., 156, 42
arxiv   paper   ADS  

On the radial velocity detection of additional planets in transiting, slowly rotating M-dwarf systems: the case of GJ 1132
2017 CLOUTIER R., DOYON R., MENOU K., DELFOSSE X., DUMUSQUE X. & ARTIGEAU E.
Astron. J., 153, 9
paper  arxiv  ADS

Observing transiting planets with JWST -- Prime targets and their synthetic spectral observations
2017 MOLLIERE P., van BOEKEL R., BOUWMAN J., HENNING Th., LAGAGE P.-O. & MIN M.
Astron. & Astrophy., 600, A10
paper  arxiv  ADS

Detection of the atmosphere of the 1.6 Earth mass exoplanet GJ 1132b
2017 SOUTHWORTH J., MANCINI L., MADHUSUDHAN N., MOLLIERE P., CICERI S. & HENNING Th.
ApJ, 153, 191
paper  arxiv  ADS

Predictions of the atmospheric composition of GJ 1132b
2016 SCHAEFER L., WORDSWORTH R., BERTA-THOMPSON Z. & SASSELOV D.
ApJ, accepted
arxiv  

A Search for Additional Bodies in the GJ 1132 Planetary System from 21 Ground-based Transits and a 100 Hour Spitzer Campaign
2016 DITTMANN J., IRWIN J., CHARBONNEAU D., BERTA-THOMPSON Z. & NEWTON E.
ApJ, submitted
arxiv  

Mass-Radius Relation for Rocky Planets based on PREM
2015 ZENG L., SASSELOV D. & JACOBSEN S.
ApJ, submitted
arxiv  

A rocky planet transiting a nearby low-mass star
2015 BERTA-THOMPSON Z., IRWIN J., CHARBONNEAU D., NEWTON E., DITTMANN J. et al.
Nature, 527, 204
paper  arxiv   ADS