Kepler-15 (also known as KOI-128 or KIC 11359879[5] [6] is a G-type main sequence star with a mass of 1.018 solar masses and a radius of 1.253 solar radius. The star lies at a temperature of 5595 Kelvin. [7]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 44m 48.1365s[1] |
| Declination | +49° 08′ 24.298″[1] |
| Apparent magnitude (V) | 13.8[2] |
| Characteristics | |
| Spectral type | G6V |
| Astrometry | |
| Proper motion (μ) | RA: −2.755(15) mas/yr[1] Dec.: −12.129(17) mas/yr[1] |
| Parallax (π) | 1.3181 ± 0.0139 mas[1] |
| Distance | 2,470 ± 30 ly (759 ± 8 pc) |
| Details | |
| Mass | 1.018 +0.052 −0.044 M☉ |
| Radius | 0.992 +0.070 −0.058 R☉ |
| Luminosity | 0.92 L☉ |
| Surface gravity (log g) | 4.32±0.1[3] cgs |
| Temperature | 5679±50[3] K |
| Metallicity | 0.36±0.07 |
| Rotational velocity (v sin i) | 2.0 km/s |
| Age | 3.7 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| KIC | data |
Planetary system
editKepler-15 is orbited by one known planet named Kepler-15b, a hot jupiter enriched in heavy elements. It was discovered by the transit method in 2011.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 0.66±0.09 MJ | 0.05714±0.00093 | 4.942782±1.3e-06 | — | 87.44±1.5° | 0.96±0.07 RJ |
References
edit- ^ a b c d Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b "The Extrasolar Planet Encyclopaedia — Catalog Listing". Extrasolar Planets Encyclopaedia. 2011-08-02. Archived from the original on 2012-01-21. Retrieved 2013-02-28.
- ^ a b Buchhave, Lars A.; Bitsch, Bertram; Johansen, Anders; Latham, David W.; Bizzarro, Martin; Bieryla, Allyson; Kipping, David M. (2018), "Jupiter Analogs Orbit Stars with an Average Metallicity Close to That of the Sun", The Astrophysical Journal, 856 (1): 37, arXiv:1802.06794, Bibcode:2018ApJ...856...37B, doi:10.3847/1538-4357/aaafca, S2CID 119332645
- ^ "Kepler-15". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-09.
- ^ Borucki; Koch; Gibor Basri; Natalie Batalha; Brown; Bryson; Douglas Caldwell; Jørgen Christensen-Dalsgaard; Cochran; DeVore, Edna; Dunham, Edward W.; Gautier III, Thomas N.; Geary, John C.; Gilliland, Ronald; Gould, Alan; Howell, Steve B.; Jenkins, Jon M.; Latham, David W.; Lissauer, Jack J.; Marcy, Geoffrey W.; Rowe, Jason; Sasselov, Dimitar; Boss, Alan; Charbonneau, David; Ciardi, David; Doyle, Laurance; Dupree, Andrea K.; Ford, Eric B.; Fortney, Jonathan; Holman, Matthew J.; et al. (2011). "Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data". arXiv:1102.0541v1 [astro-ph.EP].
- ^ "TEPCat: Kepler-15". Astro.keele.ac.uk. 2013-02-21. Retrieved 2013-02-28.
- ^ Endl, Michael; et al. (2011). "Kepler-15b: A Hot Jupiter Enriched in Heavy Elements and the First Kepler Mission Planet Confirmed with the Hobby-Eberly Telescope". The Astrophysical Journal Supplement Series. 197 (1). 13. Bibcode:2011ApJS..197...13E. doi:10.1088/0067-0049/197/1/13. hdl:2152/42925.
- ^ Borucki; Koch; Gibor Basri; Natalie Batalha; Brown; Bryson; Douglas Caldwell; Jørgen Christensen-Dalsgaard; Cochran; DeVore, Edna; Dunham, Edward W.; Gautier III, Thomas N.; Geary, John C.; Gilliland, Ronald; Gould, Alan; Howell, Steve B.; Jenkins, Jon M.; Latham, David W.; Lissauer, Jack J.; Marcy, Geoffrey W.; Rowe, Jason; Sasselov, Dimitar; Boss, Alan; Charbonneau, David; Ciardi, David; Doyle, Laurance; Dupree, Andrea K.; Ford, Eric B.; Fortney, Jonathan; Holman, Matthew J.; et al. (2011). "Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data". arXiv:1102.0541v1 [astro-ph.EP].
- ^ Planet Kepler-15 b on explanet.eu
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