HD 181433 b explained

HD 181433 b
Discoverer:Bouchy et al.[1]
Discovery Site:La Silla Observatory, Chile
Discovered:June 16, 2008[2]
Discovery Method:Doppler spectroscopy
Apsis:astron
Aphelion:0.111AU
Perihelion:0.048AU
Semimajor:0.08AU[3]
Eccentricity:0.396
Period:9.3743 d
Avg Speed:93
Time Periastron:2454542 ± 0.26
Arg Peri:202 ± 10
Star:HD 181433

HD 181433 b is an extrasolar planet located approximately 87 light years away[4] in the constellation of Pavo, orbiting the star HD 181433. This planet has mass at least 7.56 times that of Earth. This planet is classified as a super-Earth and orbits at 0.080 AU and varies only about 0.063 AU with an eccentricity of 0.396. François Bouchy et al. have published a paper detailing the HD 181433 planetary system in Astronomy and Astrophysics.[1]

External links

Notes and References

  1. 10.1051/0004-6361:200810669 . The HARPS Search for Southern Extra-solar Planets. XVII. Super-Earth and Neptune-mass Planets in Multiple Planet Systems HD 47186 and HD 181433 . Bouchy . François . Mayor . Michel . Lovis . Christophe . Udry . Stéphane . Benz . Willy . Bertaux . Jean-Loup . Delfosse . Xavier . Mordasini . Christoph . Pepe . Francesco . Queloz . Didier . Ségransan . Damien . Astronomy and Astrophysics . 496 . 2 . 527–31 . 2009 . 0812.1608 . 2009A&A...496..527B . 117778593 .
  2. A Trio of Super-Earths. ESO. 2008-06-16. 2008-10-02. dead. https://web.archive.org/web/20081007085709/http://www.eso.org/public/outreach/press-rel/pr-2008/pr-19-08.html. 2008-10-07.
  3. Encyclopedia: Notes for Planet HD 181433 b. Schneider, J.. Extrasolar Planets Encyclopaedia. 2008-10-02.
  4. Web site: HIP 95152. van Leeuwen, F.. 2007. Hipparcos, the New Reduction: The Astrometric Catalogue. 2008-10-02.