Kepler-89

Kepler-89
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus
Right ascension 19h 49m 19.9343s[1]
Declination +41° 53′ 28.006″[1]
Apparent magnitude (V) 12.4[2]
Characteristics
Spectral type F8 V
Astrometry
Proper motion (μ) RA: 2.063(10) mas/yr[1]
Dec.: 1.337(11) mas/yr[1]
Parallax (π)2.1069 ± 0.0086 mas[1]
Distance1,548 ± 6 ly
(475 ± 2 pc)
Details[3]
Mass1.25+0.03
−0.04 M☉
Radius1.61+0.11
−0.12 R☉
Surface gravity (log g)4.123 ± 0.055 cgs
Temperature6116 K
Metallicity [Fe/H]−0.01 ± 0.04 dex
Rotational velocity (v sin i)7.33 ± 0.32 km/s
Age3.9+0.3
−0.2 Gyr
Other designations
Gaia DR2 2076970047474270208, KOI-94, KIC 6462863, 2MASS J19491993+4153280[4]
Database references
SIMBADdata
KICdata

Kepler-89 is a star with four confirmed planets. Kepler-89 is a possible wide binary star.[5]

  1. ^ a b c d Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  2. ^ "Planet Kepler-89 b". Extrasolar Planets Encyclopaedia. Retrieved 26 April 2018.
  3. ^ Cite error: The named reference Hirano2012 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Simbad was invoked but never defined (see the help page).
  5. ^ Takahashi, Yasuhiro H.; Norio Narita; Teruyuki Hirano; Masayuki Kuzuhara; et al. (2013). "A Discovery of a Candidate Companion to a Transiting System KOI-94: A Direct Imaging Study for a Possibility of a False Positive". arXiv:1309.2559 [astro-ph.EP].