Kepler-19
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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.
Planetary system
There are three known planets in the Kepler-19 planetary system. Planet b was discovered by the transit method, c by transit-timing variations and d by radial velocity measurements.
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 8.4+1.6 −1.5 M🜨 | 0.0846±0.0012 | 9.2869900 | 0.12±0.02 | 89.94+0.06 −0.44° | 2.209±0.048 R🜨 |
| c | 13.1±2.7 M🜨 | — | 28.731+0.012 −0.005 | 0.21+0.05 −0.07 | — | — |
| d | 22.5+1.2 −5.6 M🜨 | — | 62.95+0.04 −0.30 | 0.05+0.16 −0.01 | — | — |
External links
- NASA, Kepler mission,