Kepler-19
Star in the constellation Lyra / From Wikipedia, the free encyclopedia
Kepler-19 (TYC 3134-1549-1, 2MASS J19214099+3751064, GSC 03134-01549, KOI-84)[4] is a G7V star that is host to three known planets - Kepler-19b, Kepler-19c, and Kepler-19d. It is located about 720 light-years (220 parsecs) away in the constellation Lyra, five arcminutes northwest of the much more distant open cluster NGC 6791.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Lyra |
Right ascension | 19h 21m 40.99950s[1] |
Declination | +37° 51′ 06.4373″[1] |
Apparent magnitude (V) | 12.04[2] |
Astrometry | |
Radial velocity (Rv) | −11.36±0.53[1] km/s |
Proper motion (μ) | RA: 25.349 mas/yr[1] Dec.: −30.792 mas/yr[1] |
Parallax (π) | 4.5296 ± 0.0087 mas[1] |
Distance | 720 ± 1 ly (220.8 ± 0.4 pc) |
Details | |
Mass | 0.936±0.04[3] M☉ |
Radius | 0.859±0.018[3] R☉ |
Surface gravity (log g) | 4.54[4] cgs |
Temperature | 5541±60[3] K |
Metallicity [Fe/H] | −0.13±0.06[3] dex |
Rotational velocity (v sin i) | 1.8±0.5[5] km/s |
Age | 1.9±1.7[3] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
KIC | data |
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