WASP-14

WASP-14
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 33m 06.3549s
Declination +21° 53′ 40.978″
Apparent magnitude (V) 9.745 ± 0.026
Characteristics
Spectral type F5V
Variable type V*(1SWASP)[1]
Astrometry
Proper motion (μ) RA: 26.4 ± 2.8 mas/yr
Dec.: -5.4 ± 2.4 mas/yr
Distance 521.6 ±244.5 ly
(160 ±75 pc)
Absolute magnitude (MV) 10.194 ± 0.029
Details
Mass ~1.319 M☉
Radius ~1.297 R☉
Surface gravity (log g) ~21,9 g
Luminosity 0.4162399653 L☉
Temperature 6475 ± 100 K
Metallicity 0 ± 0.2
Age 0.75 ± 0.25 G years
Equatorial [ g ] 214,75955 m/s2
Other designations
BD+22° 2716, 2MASS J14330635+2153409, SDSS J143306.37+215341.1, YZ 22 5097, AG+22° 1457, PPM Star Catalogue 103396, TYC 1482-882-1, GSC 01482-00882, SAO 83398.
Database references
SIMBAD data
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.[1]

Contents

Planetary system

WASP-14b is an extrasolar planet discovered in 2008. This is one of the densest exoplanets known.[2] Its radius best fits the model of Fortney.[3]

The WASP-14 system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
WASP-14b ~7.725 MJ ~0.037 ~2.243756 ~0.095

See also

References

  1. ^ a b "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. Retrieved 2009-05-04. 
  2. ^ Joshi et al.; Pollacco, D.; Cameron, A. Collier; Skillen, I.; Simpson, E.; Steele, I.; Street, R. A.; Stempels, H. C. et al. (December 29, 2008). "WASP-14b: A 7.7 Mjup transiting exoplanet in an eccentric orbit". Monthly Notices of the Royal Astronomical Society 392 (4): 1532–1538. Bibcode 2009MNRAS.392.1532J. doi:10.1111/j.1365-2966.2008.14178.x. http://www3.interscience.wiley.com/journal/121588613/abstract?CRETRY=1&SRETRY=0. 
  3. ^ Fortney et al.; 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. http://www.iop.org/EJ/article/0004-637X/659/2/1661/70736.html. 

External links

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