WASP-5

WASP-5 is a magnitude 12 yellow dwarf star located about 910 light-years away in the Phoenix constellation.[2] The star is likely older than Sun, slightly enriched in heavy elements and is rotating rapidly, being spun up by the tides raised by the giant planet on the close orbit.[3]

WASP-5
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Phoenix
Right ascension  23h 57m 23.7566s[1]
Declination −41° 16′ 37.746″[1]
Apparent magnitude (V) +12.26[2]
Characteristics
Spectral type G4V[2]
Apparent magnitude (B) ~12.71[2]
Apparent magnitude (V) ~12.3[2]
Apparent magnitude (J) 10.949±0.022[2]
Apparent magnitude (H) 10.650±0.025[2]
Apparent magnitude (K) 10.598±0.023[2]
Astrometry
Proper motion (μ) RA: 7.330±0.040[1] mas/yr
Dec.: −15.944±0.046[1] mas/yr
Parallax (π)3.2063 ± 0.0351[1] mas
Distance1,020 ± 10 ly
(312 ± 3 pc)
Details[3]
Mass1.021 ±0.063 M☉
Radius1.084 ±0.041 R☉
Temperature5880±150 K
Metallicity [Fe/H]0.15 dex
Rotation16.2±0.4 d
Age5.84±1.86 Gyr
Other designations
GSC 08018-00199, GSC2 S3220012143, UCAC2 14323784
Database references
SIMBADdata
Extrasolar Planets
Encyclopaedia		data

Planetary system

This star has one extrasolar planet WASP-5b detected by the SuperWASP project in 2007.[4]

The WASP-5 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
WASP-5b 1.637 ±0.082 MJ 0.02729 ±0.00056 1.6284246 ±1.3e-06 0 — —

See also

References
  1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. "SIMBAD query result:GSC 08018-00199 -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-05-04.
  3. A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars, 2015, arXiv:1503.09111
  4. Anderson, D.R.; Gillon, M.; Hellier, C.; Maxted, P. F. L.; Pepe, F.; Queloz, D.; Wilson, D. M.; Collier Cameron, A.; Smalley, B.; Lister, T. A.; Bentley, S. J.; Blecha, A.; Christian, D. J.; Enoch, B.; Hebb, L.; Horne, K.; Irwin, J.; Joshi, Y. C.; Kane, S. R.; Marmier, M.; Mayor, M.; Parley, N. R.; Pollacco, D. L.; Pont, F.; Ryans, R.; Ségransan, D.; Skillen, I.; Street, R. A.; Udry, S.; et al. (2008). "WASP-5b: a dense, very hot Jupiter transiting a 12th-mag Southern-hemisphere star". Monthly Notices of the Royal Astronomical Society: Letters. 387 (1): L4–L7. arXiv:0801.1685. Bibcode:2008MNRAS.387L...4A. doi:10.1111/j.1745-3933.2008.00465.x. Archived from the original on 2010-04-08.

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