Kepler-34b

Kepler-34b
Exoplanet List of exoplanets
Parent star
Star Kepler-34
Constellation Cygnus
Right ascension (α) 19h 45m 44.6s
Declination (δ) +44° 38′ 29.6″
Apparent magnitude (mV) 14.875
Distance4900 ly
(1499 pc)
Mass (m) 1.0479 / 1.0208 M☉
Radius (r) 1.1618 / 1.0927 R☉
Temperature (T) 5913 ± 130 K / 5867 K
Metallicity [Fe/H] −0.07 ± 0.15
Orbital elements
Epoch BJD 2454969.2000
Semi-major axis(a) 1.0896 ± 0.0009 AU
Eccentricity (e) 0.182 +0.0016
−0.0020
Orbital period(P) 288.822 +0.063
−0.081 d
Inclination (i) 90.355 +0.026
−0.018°
Longitude of the node (Ω) −1.74 +0.14
−0.16°
Mean longitude (λ) 106.5 +2.5
−2.0°
Time of eclipse (Te) 27.887 (Earth days) JD
Physical characteristics
Mass(m)0.220 +0.011
−0.010 MJ
(69.9 M⊕)
Radius(r)0.764 +0.0012
−0.0014 RJ
(8.56 R⊕)
Density(ρ)0.613 +0.045
−0.041 g cm−3
Surface gravity(g)936 +57
−54 m/s²
Temperature (T) 323
Discovery information
Discovery date 01-11-2012
Discoverer(s)
Discovery method Transit (Kepler Mission)
Other detection methods Eclipsing binary timing variations,
Transit timing variations,
Transit duration variations
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

Kepler-34b (formally Kepler-34(AB)b) is a circumbinary planet announced with Kepler-35b. It is a small gas giant that orbits every ~288 days around two stars. Despite the planet's relatively long orbital period, its existence could be confirmed quickly due to transiting both of its host stars.

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