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WASP-1b

Coordinates: Sky map 00h 20m 40s, +31° 59′ 24″
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WASP-1b
Size comparison of WASP-1b with Jupiter.
Discovery
Discovered byCameron et al. (SuperWASP
and SOPHIE)
 South Africa
and  France
Discovery siteSAAO
Discovery dateSeptember 25, 2006
Transit
Orbital characteristics
0.0382 (± 0.0013) AU
Eccentricity0
2.5199464 (± 8e-07) d
Inclination88.65 (± 0.55)
StarWASP-1
Physical characteristics
1.484 +0.06
−0.09 RJ
Mass0.86 ± 0.07 MJ
Mean density
476 kg/m3 (802 lb/cu yd)
12.5 m/s2 (41 ft/s2)
1.27 g
Temperature1800

WASP-1b is an extrasolar planet orbiting the star WASP-1 located 1,300 light-years away in the constellation Andromeda.

Orbit and mass

The radial velocity trend of WASP-1, caused by the presence of WASP-1 b.

The planet's mass and radius indicate that it is a gas giant with a similar bulk composition to Jupiter. Unlike Jupiter, but similar to many other planets detected around other stars, WASP-1b is located very close to its star, and belongs to the class of planets known as hot Jupiters.

WASP-1 b was discovered via the transit method by SuperWASP, for which the star and planet are named. Follow-up radial velocity measurements confirmed the presence of an unseen companion, and allowed for the mass of WASP-1 b to be determined.[1]

See also

References

  1. ^ Cameron, A. Collier; et al. (2007). "WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE". Monthly Notices of the Royal Astronomical Society. 375 (3): 951–957. arXiv:astro-ph/0609688. Bibcode:2007MNRAS.375..951C. doi:10.1111/j.1365-2966.2006.11350.x.

Further reading

Media related to WASP-1b at Wikimedia Commons


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