WASP-7b

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WASP-7b
Extrasolar planet List of extrasolar planets
Exoplanet Comparison WASP-7 b.png
Size comparison of WASP-7b with Jupiter.
Parent star
Star WASP-7
Constellation Microscopium
Right ascension (α) 20h 44m 10.2190s
Declination (δ) −39° 13′ 30.894″
Apparent magnitude (mV) 9.51
Distance 490 ly
(150 pc)
Spectral type F6
Orbital elements
Semimajor 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 K
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
SIMBAD data
Artist's conception of WASP-7 b, as a"Hot Jupiter".

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.[1]

See also[edit]

References[edit]

  1. ^ 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. 

External links[edit]

Media related to WASP-7b at Wikimedia Commons

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