From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu

Star : GJ 436

THE STAR

- Basic data :			- More data :    - Basic data (from Simbad) - Most recent ref (from ADS)
	Name GJ 436 Distance 10.2 pc   Spectral Type M2.5     Apparent Magnitude V 10.68     Mass 0.452 (−0.012+0.014) Msun  ref. Age 6 (−5+4) Gyr  ref. Effective Temperature 3684 (−55+87) K  ref. Radius 0.464 (−0.011+0.009) Rsun  ref. Metallicity [Fe/H] -0.32 (± 0.12)    ref. Right Asc. Coord. 11 42 11    Decl. Coord. +26 42 23

PLANET

- Basic data :

Name GJ 436 b Discovered in 2004     Mass 0.072 (± 0.0025) MJ  ref. Semi major axis 0.02872 (−5.8e-05+6e-05) AU  ref. Orbital period 2.6438986 (± 1.6e-06) days  ref. Eccentricity 0.15 (± 0.012)    ref. ω 351 (± 1.2) deg.  ref. Radius 0.438 (−0.03+0.04) RJ  ref. Ttransit 2454222.61588 (± 0.00012)    ref. Tperi 1551.716 (± 0.12) HJD 2.450.000  ref. Inclination 85.8 (−0.25+0.21) deg.  ref. Update 13/05/09

- Molecules detected :
	Name GJ 436 b Molecules None

- GJ 436 Remarks :
	21 May 2008: The planet GJ 436 c (Ribas et al. 2008) has been retracted at the Transiting Planet conference in Boston 15 Apr 2008: Transit Light Curve by AXA

- GJ 436 Other web pages :
	CAS Exoplanet Transit Database California & Carnegie Planet Search data Geneva Observatory data

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