Planet GJ 436 c

Name GJ 436 c
Discovered in 2012
Mass 0.0009 (± 0.0002) MJ
Semi-major axis 0.0185 AU
Orbital period 1.365862 (± 8e-06) day
Eccentricity
ω
Tperi
Radius 0.059 (± 0.0036) RJ
Inclination 86.7 deg;
Update Sept. 3, 2012
Detection Method Controversial
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 245772.8086 (± 0.0016) JD
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

Remarks

Alias UCF-1.01

31 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.

Star

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 3 planet

More data


Related publications

Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions in Hot Jupiter Systems
2013 KNUTSON H., FULTON B., MONTET B., KAO M., NGO H. & 8 additional authors
ApJ, 785, Issue 2, 126, 23 pp
paper   arxiv 

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