Kepler-13

Kepler-13
Observation data
Epoch J2000      Equinox J2000
Constellation Lyra[1]
Kepler-13 A
Right ascension 19h 07m 53.1397s[2]
Declination 46° 52′ 05.922″[2]
Apparent magnitude (V) 9.95[3]
Kepler-13 B
Right ascension 19h 07m 53.0281s[4]
Declination 46° 52′ 06.126″[4]
Apparent magnitude (V) 10.33[5]
Characteristics
Spectral type A4
Variable type Planetary transit variable[6]
Astrometry
Kepler-13 A
Proper motion (μ) RA: −4.411(42) mas/yr[2]
Dec.: −15.220(50) mas/yr[2]
Parallax (π)2.0319 ± 0.0344 mas[2]
Distance1,610 ± 30 ly
(492 ± 8 pc)
Kepler-13 B
Proper motion (μ) RA: −4.060(33) mas/yr[4]
Dec.: −15.512(40) mas/yr[4]
Parallax (π)2.0912 ± 0.0263 mas[4]
Distance1,560 ± 20 ly
(478 ± 6 pc)
Details[7]
Kepler-13A
Mass1.72±0.10 M☉
Radius1.71±0.04 R☉
Surface gravity (log g)4.2±0.5 cgs
Temperature7650±250 K
Metallicity [Fe/H]0.2±0.2 dex
Rotational velocity (v sin i)78±15 km/s
Age0.5±0.1 Gyr
Kepler-13B
Mass1.68±0.10 M☉
Radius1.68±0.04 R☉
Surface gravity (log g)4.2±0.5 cgs
Temperature7530±250 K
Metallicity [Fe/H]0.2±0.2 dex
Rotational velocity (v sin i)69±13 km/s
Age0.5±0.1 Gyr
Other designations
BD+46 2629, ADS 12085 AB, WDS J19079+4652AB, KOI-13, KIC 9941662, 2MASS J19075308+4652061[3]
Database references
SIMBADdata

Kepler-13 or KOI-13 is a stellar triple star system consisting of Kepler-13A, around which an orbiting hot Jupiter exoplanet was discovered with the Kepler space telescope in 2011, and Kepler-13B a common proper motion companion star which has an additional star orbiting it.[8]

  1. ^ Cite error: The named reference Roman1987 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Gaia DR3 for A was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Simbad was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference Gaia DR3 for B was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Howarth2017 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Shporer2011 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Shporer2014 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Santerne2012 was invoked but never defined (see the help page).