Kepler-30
Kepler-30 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 19h 01m 08.0747s Declination +38° 56′ 50.219″.[2] With an apparent visual magnitude of 15.5,[3] this star is too faint to be seen with the naked eye.
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | 9.2±0.1 M⊕ | 0.18479±0.000004 | 29.2187±0.0009 | 0.0770±0.0003 | 89.51±0.32° | 3.75±0.18 R⊕ |
c | 536±5 M⊕ | 0.29977±0.000001 | 60.32503±0.00010 | 0.0115±0.0005 | 89.74±0.02° | 11.98±0.28 R⊕ |
d | 23.7±1.3 M⊕ | 0.53178±0.00001 | 142.642±0.006 | 0.0272±0.0024 | 89.81±0.02° | 8.79±0.13 R⊕ |
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Lyra[1] |
Right ascension | 19h 01m 08.0747s[2] |
Declination | +38° 56′ 50.219″[2] |
Apparent magnitude (V) | 15.5[3] |
Characteristics | |
Spectral type | K[3] |
Astrometry | |
Proper motion (μ) | RA: 0.695±0.055[2] mas/yr Dec.: −4.761±0.052[2] mas/yr |
Parallax (π) | 1.0657 ± 0.0321[2] mas |
Distance | 3,060 ± 90 ly (940 ± 30 pc) |
Details | |
Mass | 0,99±0,08[4] M☉ |
Radius | 0.59[4] R☉ |
Temperature | 5498±54[4] K |
Metallicity [Fe/H] | 0,18±0,27[4] dex |
Rotation | 16.004±0.017 days[5] |
Rotational velocity (v sin i) | 1,94±0,22[4] km/s |
Other designations | |
Database references | |
SIMBAD | data |
KIC | data |
References
- "Lyra – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
- 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 DR2 record for this source at VizieR.
- Schneider, Jean, "Star: Kepler-30", Extrasolar Planets Encyclopaedia, Paris Observatory, archived from the original on 2012-05-05, retrieved 2013-12-18
- Kepler-30b, NASA Ames Research Center, retrieved 2011-12-06
- 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.
- Panichi, F; et al. (2018). "The architecture and formation of the Kepler-30 planetary system". Monthly Notices of the Royal Astronomical Society. 478 (2): 2480–2494. arXiv:1707.04962. Bibcode:2018MNRAS.478.2480P. doi:10.1093/mnras/sty1071.
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