Kepler-28

Kepler-28

Kepler-28 compared to the Sun
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus[1]
Right ascension 19h 28m 32.8905s[2]
Declination +42° 25′ 45.959″[2]
Apparent magnitude (V) 15.036[3]
Characteristics
Spectral type M0V[4]
Astrometry
Radial velocity (Rv)−26.99±6.00[2] km/s
Proper motion (μ) RA: −0.463(21) mas/yr[2]
Dec.: 11.691(21) mas/yr[2]
Parallax (π)2.2537 ± 0.0185 mas[2]
Distance1,450 ± 10 ly
(444 ± 4 pc)
Details
Mass0.684±0.026[5] M☉
Radius0.664±0.013[5] R☉
Temperature4499±75[5] K
Metallicity [Fe/H]−0.17±0.11[4] dex
Rotation17.951±0.016 days[6]
Rotational velocity (v sin i)0.6[3] km/s
Age2.2[7] Gyr
Other designations
KOI-870, KIC 6949607, 2MASS J19283288+4225459[8]
Database references
SIMBADdata
KICdata

Kepler-28 is an M-type main-sequence star about 1,450 light-years (440 parsecs) away in the northern constellation of Cygnus.[2] With an apparent visual magnitude of 15.036,[3] this star is too faint to be seen with the naked eye. It is orbited by two exoplanets.

  1. ^ "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
  2. ^ a b c d e f Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  3. ^ a b c Kepler-28b, NASA Ames Research Center, archived from the original on 2012-05-03, retrieved 2011-12-06
  4. ^ a b Cite error: The named reference Muirhead2012 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Leleu2023 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference McQuillan2013 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Cubillos2016 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).