Kepler-19
Kepler-19 (TYC 3134-1549-1, 2MASS J19214099+3751064, GSC 03134-01549, KOI-84) 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.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Lyra |
Right ascension | 19h 21m 40.99950s |
Declination | +37° 51′ 06.4373″ |
Apparent magnitude (V) | 12.04 |
Astrometry | |
Radial velocity (Rv) | −11.36±0.53 km/s |
Proper motion (μ) | RA: 25.349 mas/yr Dec.: −30.792 mas/yr |
Parallax (π) | 4.5296 ± 0.0087 mas |
Distance | 720 ± 1 ly (220.8 ± 0.4 pc) |
Details | |
Mass | 0.936±0.04 M☉ |
Radius | 0.859±0.018 R☉ |
Surface gravity (log g) | 4.54 cgs |
Temperature | 5541±60 K |
Metallicity [Fe/H] | −0.13±0.06 dex |
Rotational velocity (v sin i) | 1.8±0.5 km/s |
Age | 1.9±1.7 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
KIC | data |
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