Kepler-5
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 57m 37.6885s |
| Declination | +44° 2′ 06.190″ |
| Apparent magnitude (V) | 13.5 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | F5V |
| Apparent magnitude (J) | 12.115±0.029 |
| Apparent magnitude (H) | 11.863±0.032 |
| Apparent magnitude (K) | 11.769±0.025 |
| Astrometry | |
| Radial velocity (Rv) | −19±2 km/s |
| Proper motion (μ) | RA: −0.190(13) mas/yr Dec.: −3.252(12) mas/yr |
| Parallax (π) | 1.0829±0.0202 mas |
| Distance | 3,010 ± 60 ly (920 ± 20 pc) |
| Details | |
| Mass | 1.3 M☉ |
| Radius | 1.8 R☉ |
| Luminosity | 4.2 L☉ |
| Surface gravity (log g) | 4.01 cgs |
| Temperature | 6,210 K |
| Metallicity [Fe/H] | −0.10 dex |
| Rotation | 44.71 days |
| Rotational velocity (v sin i) | 4.4 km/s |
| Age | 3.3 Gyr |
| Other designations | |
| KOI-18, KIC 8191672, 2MASS J19573768+4402061 | |
| Database references | |
| SIMBAD | data |
| KIC | data |
Kepler-5 is a star located in the constellation Cygnus in the field of view of the Kepler Mission, a NASA project aimed at detecting planets in transit of, or passing in front of, their host stars as seen from Earth. One closely-orbiting, Jupiter-like planet, named Kepler-5b, has been detected around Kepler-5. Kepler-5's planet was one of the first five planets to be discovered by the Kepler spacecraft; its discovery was announced on January 4, 2010 at the 215th meeting of the American Astronomical Society after being verified by a variety of observatories. Kepler-5 is larger and more massive than the Sun, but has a similar metallicity, a major factor in planet formation.