Kepler-432

Kepler-432
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus
Right ascension 19h 33m 07.7292s[1]
Declination +48° 17′ 09.1454″[1]
Apparent magnitude (V) 13
Characteristics
Evolutionary stage Giant star + Main sequence
Spectral type K2III[2] + M?V[3]
Astrometry
Proper motion (μ) RA: 4.667(12) mas/yr[1]
Dec.: 9.963(11) mas/yr[1]
Parallax (π)1.1712 ± 0.0097 mas[1]
Distance2,780 ± 20 ly
(854 ± 7 pc)
Orbit
PrimaryKepler-432 A
CompanionKepler-432 B
Period (P)15,000 yr
Details[3]
Kepler-432 A
Mass1.32+0.10
−0.07 M☉
Radius4.06+0.12
−0.08 R☉
Luminosity9.206 ± 0.01 L☉
Surface gravity (log g)3.345 ± 0.006 cgs
Temperature4995 ± 78 K
Metallicity [Fe/H]0.176 ± 0.07 dex
Rotational velocity (v sin i)2.7 ± 0.5 km/s
Age4.2+0.8
−1.0 Gyr
Kepler-432 B
Mass~0.52 M☉
Temperature~3660 K
Age4.2? Gyr
Position (relative to Kepler-432 A)[3]
ComponentKepler-432 B
Projected separation~750 AU [3]
Other designations
Gaia DR2 2128901871432519936, KOI-1299, KIC 10864656, 2MASS J19330772+4817092[4]
Database references
SIMBADdata
KICdata

Kepler-432 is a binary star system with at least two planets in orbit around the primary companion, located about 2,780 light-years away from Earth.

  1. ^ a b c d Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  2. ^ Ortiz, Mauricio; Gandolfi, Davide; Reffert, Sabine; Quirrenbach, Andreas; Deeg, Hans J.; Karjalainen, Raine; Montañes-Rodríguez, Pilar; Nespral, David; Nowak, Grzegorz; Osorio, Yeisson; Palle, Enric (2015). "Kepler-432 b: A massive warm Jupiter in a 52-day eccentric orbit transiting a giant star". Astronomy & Astrophysics. 573 (6): L6. arXiv:1410.3000. Bibcode:2015A&A...573L...6O. doi:10.1051/0004-6361/201425146. S2CID 11379442.
  3. ^ a b c d Quinn, Samuel N.; White, Timothy R.; Latham, David W.; Chaplin, William J.; Handberg, Rasmus; Huber, Daniel; Kipping, David M.; Payne, Matthew J.; Jiang, Chen; Victor Silva Aguirre; Stello, Dennis; Sliski, David H.; Ciardi, David R.; Buchhave, Lars A.; Bedding, Timothy R.; Davies, Guy R.; Hekker, Saskia; Kjeldsen, Hans; Everett, Mark E.; Howell, Steve B.; Basu, Sarbani; Campante, Tiago L.; Christensen-Dalsgaard, Jørgen; Elsworth, Yvonne P.; Karoff, Christoffer; Kawaler, Steven D.; Lund, Mikkel N.; Lundkvist, Mia; Esquerdo, Gilbert A.; et al. (2014). "Kepler-432: A red giant interacting with one of its two long period giant planets". The Astrophysical Journal. 803 (2): 49. arXiv:1411.4666. Bibcode:2015ApJ...803...49Q. doi:10.1088/0004-637X/803/2/49. S2CID 28994316.
  4. ^ Cite error: The named reference Simbad was invoked but never defined (see the help page).