WASP-7b

WASP-7b
Exoplanet List of exoplanets

Size comparison of WASP-7b with Jupiter.
Parent star
Star WASP-7
Constellation Microscopium
Right ascension (α) 20h 44m 10.2208s[1]
Declination (δ) −39° 13′ 30.850″[1]
Apparent magnitude (mV) 9.51
Distance520±20[1] ly
(158±6[1] pc)
Spectral type F6
Orbital elements
Semi-major axis(a) 0.0618+0.0014
−0.0033 AU
Eccentricity (e) 0
Orbital period(P) 4.954658+5.5e-5
−4.3e-5 d
Inclination (i) 89.6+0.4
−0.9°
Time of transit (Tt) 2453985.0149+0.0009
−0.00012 JD
Physical characteristics
Mass(m)0.96+0.12
−0.18 MJ
Radius(r)0.915+0.046
−0.04 RJ
Density(ρ)1660 kg m−3
Surface gravity(g)3.03 g
Temperature (T) 2000
Discovery information
Discovery date April 1, 2008
Discoverer(s) Cameron et al. (SuperWASP)
Discovery method Transit
Discovery site SAAO
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

WASP-7b is an extrasolar planet discovered in 2008. This 5-day period planet is slightly smaller than Jupiter, roughly the same mass and more dense.[2]

See also

References

  1. 1 2 3 4 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. Gaia Data Release 1 catalog entry
  2. ↑ Hellier; et al. (December 11, 2008). "WASP-7: A BRIGHT TRANSITING-EXOPLANET SYSTEM IN THE SOUTHERN HEMISPHERE". The Astrophysical Journal Letters. 690 (1): L89–L91. arXiv:0805.2600. Bibcode:2009ApJ...690L..89H. doi:10.1088/0004-637X/690/1/L89.

Media related to WASP-7b at Wikimedia Commons

Coordinates: 20h 44m 10s, −39° 13′ 31″


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