Planet GJ 436 c
| Name | GJ 436 c | ||
| Planet Status | Controversial | ||
| Discovered in | 2012 | ||
| Mass | 0.0009 ( -0.0002 +0.0002 ) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.0185 AU | |
|
| Orbital Period | 1.365862 (± 8e-06) day | |
|
| Eccentricity | — | |
|
| ω | — | |
|
| Tperi | — | ||
| Radius | 0.059 ( -0.0036 +0.0036 ) RJ | |
|
| Inclination | 86.7 deg | |
|
| Update | 2021-09-13 | ||
| Detection Method | Default | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Primary transit | — | |
|
| 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
GJ 436| Name | GJ 436 | ||
| Distance | 10.2 pc | ||
| Spectral type | M2.5 | ||
| Apparent magnitude V | 10.68 | ||
| Mass | 0.452 ( -0.012 +0.012 ) MSun | |
|
| Age | 6.0 ( -5.0 +5.0 ) Gyr | |
|
| Effective temperature | 3684.0 ( -55.0 +55.0 ) K | |
|
| Radius | 0.464 ( -0.011 +0.011 ) RSun | |
|
| Metallicity [Fe/H] | -0.32 (± 0.12) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 11:42:11.0 | ||
| Dec2000 | +26:42:23 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Observability Predictor 
Remarks
Alias UCF-1.0131 Aug 2012: The mass given by Stevenson et al. 2012 is derived from the measured radius, assuming an Earth-like density of 5.515 g/cm3.
Related publications
The JADE code: Coupling secular exoplanetary dynamics and photo-evaporation
2021
ATTIA O., BOURRIER V., EGGENBERGER P., MORDASINI Ch., BEUST H. & EHRENREICH D.
Astron. & Astrophys., accepted
arxiv
The Earth-like Galactic cosmic ray intensity in the habitable zone of the M dwarf GJ 436
2021
MESQUITA A., RODGERS-LEE D. & VIDOTTO A.
MNRAS, 505, 1817
paper arxiv
Homogeneously derived transit timings for 17 exoplanets and reassessed TTV trends for WASP-12 and WASP-4
2019
BALUEV R., SOKOV E., JONES H., SHAIDULIN V., SOKOVA I. et al.
MNRAS, 490, 1294
paper arxiv
Testing the Planet-Metallicity Correlation in M-dwarfs with Gemini GNIRS Spectra
2017
HOBSON M., JOFRE E., GARCIA L., PETRUCCI R. é GOMEZ M.
Rev. Mex. Astron. Astrophys., accepted
arxiv
On the GJ 436 planetary system
2015
MACIEJEWSKI G., NIEDZIELSKI A., NOWAK G., PALLE E., TINGLEY B. et al.
Acta Astronomica, accepted
arxiv
A global analysis of Spitzer and new HARPS data confirms the loneliness and metal-richness of GJ 436 b
2014
LANOTTE A., GILLON M., DEMORY B.-O., FORTNEY J., ASTUDILLO N. et al.
Astron. & Astrophys., 572, A73
paper arxiv
Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions to Close-In Gas Giant Planets
2014
KNUTSON H., FULTON B., MONTET B., KAO M., NGO H. & 8 additional authors
ApJ, 785, 126
paper arxiv ADS
Below One Earth: The Detection, Formation, and Properties of Subterrestrial Worlds
2013
SINUKOFF E., FULTON B., SCUDERI L. & GAIDOS E.
Spa. Sci. Rev., in press
paper arxiv
Two nearby sub-Earth-sized exoplanet candidates in the GJ 436 system
2012
STEVENSON K., HARRINGTON J., LUST N., LEWIS N., MONTAGNIER G. & 6 additional authors
ApJ, 755, 9
paper arxiv
The transiting exoplanet host star GJ 436: a test of stellar evolution models in the lower main sequence, and revised planetary parameters
2007
TORRES G.
ApJ. Letters, 671, L65
paper
Metallicities of M Dwarf Planet Hosts from Spectral Synthesis
2006
BEAN J., BENEDICT F. & ENDL M.
ApJ. Letters, 653, L65
paper
