WASP-14orBD+22 2716is a star in the constellationBoötes.TheSuperWASPproject has observed and classified this star as avariable star,perhaps due to theeclipsingplanet.[2]
| Observation data EpochJ2000EquinoxJ2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h33m06.3574s[1] |
| Declination | +21° 53′ 40.975″[1] |
| Apparent magnitude(V) | 9.745 ± 0.026 |
| Characteristics | |
| Spectral type | F5V |
| Variable type | V*(1SWASP)[2] |
| Astrometry | |
| Proper motion(μ) | RA:28.7±0.6[3]mas/yr Dec.:−6.6±0.8[3]mas/yr |
| Parallax(π) | 6.1442 ± 0.0305mas[2] |
| Distance | 531 ± 3ly (162.8 ± 0.8pc) |
| Absolute magnitude(MV) | 10.194 ± 0.029 |
| Details | |
| Mass | ~1.319M☉ |
| Radius | ~1.297R☉ |
| Luminosity | 2.61L☉ |
| Surface gravity(logg) | ~21,9gcgs |
| Temperature | 6475 ± 100K |
| Metallicity[Fe/H] | 0 ± 0.2dex |
| Age | 750 ± 250Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM(2002), Bright Star Catalogue (5th rev. ed.) | |
Planetary system
editWASP-14bis anextrasolar planetdiscovered in 2008. This is one of the densest exoplanets known.[4] Its radius best fits the model of Fortney.[5]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ~7.725MJ | ~0.037 | ~2.243756 | ~0.095 | 84.79° | 1.259RJ |
See also
editReferences
edit- ^abBrown, A. G. A; et al. (2016)."Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties".Astronomy and Astrophysics.595.A2.arXiv:1609.04172.Bibcode:2016A&A...595A...2G.doi:10.1051/0004-6361/201629512.S2CID1828208.Gaia Data Release 1 catalog entry
- ^abc"SIMBAD query result: BD+22 2716 -- Star".Centre de Données astronomiques de Strasbourg.Retrieved2009-05-04.
- ^abZacharias, N.; et al. (2013). "The Fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)".The Astronomical Journal.145(2). 44.arXiv:1212.6182.Bibcode:2013AJ....145...44Z.doi:10.1088/0004-6256/145/2/44.S2CID119299381.Vizier catalog entry
- ^Joshi, Y. C.; et al. (2008)."WASP-14b: A 7.7 Mjup transiting exoplanet in an eccentric orbit".Monthly Notices of the Royal Astronomical Society.392(4): 1532–1538.arXiv:0806.1478.Bibcode:2009MNRAS.392.1532J.doi:10.1111/j.1365-2966.2008.14178.x.S2CID7775011.
- ^Fortney; Marley, M. S.; Barnes, J. W. (2007). "Planetary Radii across Five Orders of Magnitude in Mass and Stellar Insolation: Application to Transits".The Astrophysical Journal.659(2): 1661–1672.arXiv:astro-ph/0612671.Bibcode:2007ApJ...659.1661F.doi:10.1086/512120.S2CID3039909.
External links
edit- Image WASP-14
- "WASP-14".Exoplanets.Archived fromthe originalon 2016-03-03.Retrieved2009-05-04.
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