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 |
Distance | ±300 6200[1] ly (±90 1900[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 | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
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 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
- ↑ 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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