Kepler-17
Kepler-17 is main-sequence yellow dwarf star.[2] This star is known to host one exoplanet, Kepler-17b, in orbit around it.[2]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Cygnus |
Right ascension | 19h 53m 34.8643s[1] |
Declination | +47° 48′ 54.050″[1] |
Apparent magnitude (V) | 14.0[2] |
Astrometry | |
Proper motion (μ) | RA: −3.778±0.032[1] mas/yr Dec.: −6.365±0.035[1] mas/yr |
Parallax (π) | 1.3589 ± 0.0198[1] mas |
Distance | 2,400 ± 30 ly (740 ± 10 pc) |
Characteristics | |
Spectral type | G2V[2] |
Details[2] | |
Mass | 1.16±0.06 M☉ |
Radius | 1.05±0.03 R☉ |
Temperature | 5781±85 K |
Metallicity [Fe/H] | 0.26 (± 0.1) dex |
Rotation | 12.159±0.029 days[3] |
Rotational velocity (v sin i) | 4.2±0.5[4] km/s |
Age | <1.78 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
KIC | data |
References
- Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia Data Release 2 catalog entry
- "Notes on Kepler-17 b". Retrieved 15 January 2017.
- 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.
- "Kepler-17". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16 January 2017.
- http://arxiv.org/pdf/1107.5750v1
- https://web.archive.org/web/20111113211334/http://exoplanet.eu/star.php?st=Kepler-17&showPubli=yes&sortByDate
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