Planet GJ 436 d

Name GJ 436 d
Discovered in 2012
Mass 0.00085 (± 0.0002) MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius 0.058 (± 0.005) RJ
Inclination
Update 2012-09-03
Detection Method Controversial
Mass Detection Method
Radius Detection Method
Molecules
Primary transit 2455225.026 (± 0.003) JD
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 3 planets

More data

Observability Predictor

Remarks

Alias UCF-1.02

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.


Related publications

On the GJ 436 planetary system
2015 MACIEJEWSKI G., NIEDZIELSKI A., NOWAK G., PALLE E., TINGLEY B. et al.
Acta Astronomica, accepted
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