HAT-P-12
K-type main sequence star in constellation Canes Venatici / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about HAT-P-12?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
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]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
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] |
Distance | 463.0 ± 0.7 ly (141.9 ± 0.2 pc) |
Absolute magnitude (MV) | 12.35 ± 0.23 |
Details[6] | |
Mass | 0.719±0.016 M☉ |
Radius | 0.7084±0.0095 R☉ |
Luminosity | 0.21+0.02 −0.01[3] L☉ |
Surface gravity (log g) | 4.594±0.013 cgs |
Temperature | 4710±49 K |
Metallicity [Fe/H] | −0.24+0.055 −0.062 dex |
Rotation | 0.5 ± 0.4 kms−1[3] |
Age | 2.5 ± 2.0[3] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
Close