HAT-P-12

HAT-P-12 / Komondor
Observation data
Epoch J2000      Equinox J2000
Constellation Canes Venatici[1]
Right ascension 13h 57m 33.4669s[2]
Declination +43° 29′ 36.602″[2]
Apparent magnitude (V) 12.84
Characteristics
Spectral type K5[3]
Apparent magnitude (J) 10.794 ±0.023[4]
Apparent magnitude (H) 10.236 ±0.022[4]
Apparent magnitude (K) 10.108 ±0.016[4]
Variable type planetary transit[3]
Astrometry
Radial velocity (Rv)−40.4589±0.0023[5] km/s
Proper motion (μ) RA: −134.793(8) mas/yr[2]
Dec.: −44.229(11) mas/yr[2]
Parallax (π)7.0448 ± 0.0105 mas[2]
Distance463.0 ± 0.7 ly
(141.9 ± 0.2 pc)
Absolute magnitude (MV)12.35 ± 0.23
Details[6]
Mass0.719±0.016 M☉
Radius0.7084±0.0095 R☉
Luminosity0.21+0.02
−0.01[3] L☉
Surface gravity (log g)4.594±0.013 cgs
Temperature4710±49 K
Metallicity [Fe/H]−0.24+0.055
−0.062 dex
Rotation0.5 ± 0.4 kms−1[3]
Age2.5 ± 2.0[3] Gyr
Other designations
Komondor, HAT-P-12, Gaia DR3 1499514786891168640, GSC 03033-00706, 2MASS J13573347+4329367, SDSS J135733.42+432936.5[4]
Database references
SIMBADdata
Exoplanet Archivedata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HAT-P-12 is a magnitude 13 low-metallicity K dwarf star approximately 463 light years away in the constellation Canes Venatici, which hosts one known exoplanet.[3][2]

  1. ^ Cite error: The named reference Roman1987 was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  3. ^ a b c d e f Cite error: The named reference Hartman2009 was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference Simbad was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Mancini2018 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Wang2021 was invoked but never defined (see the help page).