Kepler-66
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 35m 55.5743s[1] |
| Declination | +46° 41′ 15.957″[1] |
| Apparent magnitude (V) | 15.3 |
| Characteristics | |
| Spectral type | G0V |
| Astrometry | |
| Proper motion (μ) | RA: −3.464(23)[1] mas/yr Dec.: −8.800(23)[1] mas/yr |
| Parallax (π) | 0.8430 ± 0.0205[1] mas |
| Distance | 3,870 ± 90 ly (1,190 ± 30 pc) |
| Details | |
| Mass | 1.038 ± 0.044 M☉ |
| Radius | 0.966 ± 0.042 R☉ |
| Temperature | 5962 ± 79 K |
| Metallicity [Fe/H] | 0.012 ± 0.003 dex |
| Rotation | 10.527±0.011 days[2] |
| Age | 1 ± 0.17 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia | data |
Kepler-66 is a star with slightly more mass than the Sun in the NGC 6811 open cluster in the Cygnus constellation. It has one confirmed planet, slightly smaller than Neptune, announced in 2013.
Planetary system
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 0.31 MJ | 0.1352 | 17.815815 | — | — | 2.80 R⊕ |
References
- ↑ 1.0 1.1 1.2 1.3 Vallenari, A.; et al. (Gaia Collaboration) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. arXiv:2208.00211. doi:10.1051/0004-6361/202243940. Gaia DR3 record for this source at VizieR.
- ↑ McQuillan, A.; Mazeh, T.; Aigrain, S. (2013). "Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators". The Astrophysical Journal Letters. 775 (1). L11. arXiv:1308.1845. Bibcode:2013ApJ...775L..11M. doi:10.1088/2041-8205/775/1/L11. Unknown parameter
|s2cid=ignored (help) - ↑ "KOI-1958". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 14 February 2018.
External links
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