Kepler-78
 Artist's impression of the planet Kepler-78b around Kepler-78 |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 34m 58s |
| Declination | +44° 26′ 54″ |
| Apparent magnitude (V) | 11.72 |
| Characteristics | |
| Spectral type | G |
| Astrometry | |
| Distance | 400 ly |
| Details | |
| Radius | 0.74 R☉ |
| Temperature | 5089±50 K |
| Metallicity | −0.14±0.08 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| KIC | data |
Kepler-78 (formerly known as KIC 8435766) is a 12th magnitude star in the constellation Cygnus. This star has a radius of about 74% of the Sun, and a temperature of about 5100 K.
Kepler-78 planetary system is composed by one planet called Kepler-78b, a planet slightly bigger than Earth with an extremely close orbit to the parent star. The orbital period of this planet is about 8.5 hours because of its proximity to its star.
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