Kepler-8
Kepler-8 is a star located in the constellation Lyra in the field of view of the Kepler Mission, a NASA-led operation tasked with discovering terrestrial planets. The star, which is slightly hotter, larger, and more massive than the Sun, has one gas giant in its orbit, Kepler-8b. This gas giant is larger than Jupiter, but is less massive, and thus more diffuse. The planet's discovery was announced to the public on January 4, 2010 along with four other planets. As the fifth confirmed planetary system verified by Kepler, it helped demonstrate the capabilities of the Kepler spacecraft.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lyra |
| Right ascension | 18h 45m 09.1490s |
| Declination | +42° 27′ 03.892″ |
| Apparent magnitude (V) | 13.9 |
| Characteristics | |
| Spectral type | F5V |
| Astrometry | |
| Proper motion (μ) | RA: 2.196±0.023 mas/yr Dec.: 3.841±0.027 mas/yr |
| Parallax (π) | 0.9498 ± 0.0139 mas |
| Distance | 3,430 ± 50 ly (1,050 ± 20 pc) |
| Details | |
| Mass | 1.213 M☉ |
| Radius | 1.486 R☉ |
| Temperature | 6213 K |
| Age | 3.84 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| KIC | data |
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