WASP-14

WASP-14
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 33m 06.3574s[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 ± 0.0305 mas[2]
Distance531 ± 3 ly
(162.8 ± 0.8 pc)
Absolute magnitude (MV)10.194 ± 0.029
Details
Mass~1.319 M☉
Radius~1.297 R☉
Luminosity2.61 L☉
Surface gravity (log g)~21,9 g cgs
Temperature6475 ± 100 K
Metallicity [Fe/H]0 ± 0.2 dex
Age750 ± 250 Myr
Other designations
BD+22° 2716, 2MASS J14330635+2153409, PPM 103396, TYC 1482-882-1, GSC 01482-00882, SAO 83398, Gaia DR2 1242084170974175232
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

WASP-14 or BD+22 2716 is a star in the constellation Boötes. The SuperWASP project has observed and classified this star as a variable star, perhaps due to the eclipsing planet.[2]

Planetary system

WASP-14b is an extrasolar planet discovered in 2008. This is one of the densest exoplanets known.[4] Its radius best fits the model of Fortney.[5]

The WASP-14 planetary system
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b ~7.725 MJ ~0.037 ~2.243756 ~0.095 84.79° 1.259 RJ

See also

References

  1. ^ a b Brown, 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. S2CID 1828208.Gaia Data Release 1 catalog entry
  2. ^ a b c "SIMBAD query result: BD+22 2716 -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-05-04.
  3. ^ a b Zacharias, 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. S2CID 119299381.Vizier catalog entry
  4. ^ 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. S2CID 7775011.
  5. ^ 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. S2CID 3039909.


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