SWEEPS-04 explained

SWEEPS-04
Discoverer:	Sahu et al.^[1]
Discovered:	October 4, 2006
Discovery Method:	Transit
Apsis:	astron
Semimajor:	0.055AU
Period:	4.2 d
Inclination:	>87
Mean Radius:	0.81±0.1
Mass:	<3.8

SWEEPS-04 is an extrasolar planet orbiting the star SWEEPS J175853.92−291120.6 in the constellation Sagittarius approximately 27,710 light years away (based on a distance modulus of 14.1) from the Solar System, making it (along with SWEEPS-11) the most distant exoplanet(s) known.^[2] This planet was found in 2006 by the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) program that uses the transit method.

The upper limit on the planet's mass is 3.8 times the mass of Jupiter. The best fit radius is 0.81 times that of Jupiter, but the uncertainty in this value is large, around 12%. It orbits at an average distance of 8,200,000 km (0.055 AU) from the parent star, taking 4.2 days to revolve around it.

See also

• Sagittarius Window Eclipsing Extrasolar Planet Search or SWEEPS
• SWEEPS-10
• SWEEPS-11
• List of extrasolar planets

External links

• Web site: SWEEPS-04. Exoplanets. 2009-05-22. 2009-11-25. https://web.archive.org/web/20091125003645/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=SWEEPS-04. dead.

Notes and References

1. Sahu . Kailash C. . Transiting extrasolar planetary candidates in the Galactic bulge . . 443 . 534–540 . 2006 . 10.1038/nature05158 . 17024085 . Casertano . S . Bond . HE . Valenti . J . Smith . TE . Minniti . D . Zoccali . M. Manuela Zoccali . Livio . M . Panagia . N . Piskunov . Nikolai . Brown . Thomas M. . Brown . Timothy . Renzini . Alvio . Rich . R. Michael . Clarkson . Will . Lubow . Stephen . 7111 . 2006Natur.443..534S. astro-ph/0610098 . 4403395 . 8 . (web Preprint)
2. Web site: HEC: Top 10 Exoplanets - Planetary Habitability Laboratory @ UPR Arecibo. phl.upr.edu. 16 July 2018. 17 December 2013. https://web.archive.org/web/20131217224149/http://phl.upr.edu/projects/habitable-exoplanets-catalog/top10. dead.