Kepler-34b

Kepler-34b
Exoplanet List of exoplanets
Parent star
Star Kepler-34
Constellation Cygnus
Right ascension (α) 19h 45m 44.5975s[1]
Declination (δ) +44° 38′ 29.612″[1]
Apparent magnitude (mV) 14.875
Distance6200±300[1] ly
(1900±90[1] 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[2]
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.

  1. 1 2 3 4 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia Data Release 2 Vizier catalog entry
  2. ↑ Welsh, William F.; et al. (2012). "Transiting circumbinary planets Kepler-34 b and Kepler-35 b". Nature. 481 (7382): 475–479. arXiv:1204.3955. Bibcode:2012Natur.481..475W. doi:10.1038/nature10768.
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