Astronomy:WASP-14

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WASP-14
Observation data
Equinox J2000.0]] (ICRS)
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[2] mas
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
Extrasolar Planets
Encyclopaedia		data
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

  • SuperWASP
  • List of extrasolar planets

References

  1. ↑ 1.0 1.1 Brown, A. G. A et al. (2016). "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties". Astronomy and Astrophysics 595: A2. doi:10.1051/0004-6361/201629512. Bibcode: 2016A&A...595A...2G. https://www.aanda.org/articles/aa/full_html/2016/11/aa29512-16/aa29512-16.html. Gaia Data Release 1 catalog entry
  2. ↑ 2.0 2.1 2.2 "SIMBAD query result: BD+22 2716 -- Star". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=BD%2B22%202716. 
  3. ↑ 3.0 3.1 Zacharias, N. et al. (2013). "The Fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". The Astronomical Journal 145 (2): 44. doi:10.1088/0004-6256/145/2/44. Bibcode: 2013AJ....145...44Z. 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. doi:10.1111/j.1365-2966.2008.14178.x. Bibcode: 2009MNRAS.392.1532J. http://mnras.oxfordjournals.org/content/392/4/1532.full. 
  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. doi:10.1086/512120. Bibcode: 2007ApJ...659.1661F. 

External links

Coordinates: Sky map 14h 33m 06.3549s, +21° 53′ 40.978″



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