HD 40979 b explained
HD 40979 b |
Discoverer: | Fischer et al. |
Discovery Site: | Lick and Keck Observatory Fairborn Observatory United States |
Discovered: | 13 June 2002 |
Apsis: | astron |
Aphelion: | 1.085AU |
Perihelion: | 0.625AU |
Semimajor: | 0.855± |
Eccentricity: | 0.269 ± 0.034 |
Period: | 263.84 ± 0.71 d 0.72 y |
Avg Speed: | 35.5 |
Time Periastron: | 2,451,748.1 ± 8.6 |
Arg Peri: | 318 ± 10 |
Semi-Amplitude: | 112 ± 5 |
HD 40979 b is an extrasolar planet orbiting the star HD 40979, was detected from the Lick and Keck observatories and photometric observations at Fairborn Observatory reveal low-amplitude brightness variations in HD 40979. It is thought to be a large gas giant planet. It was discovered in 2002 by Debra Fischer.
References
- Catalog of Nearby Exoplanets . Butler . R. P. . Wright . J. T. . Marcy . G. W. . Fischer . D. A. . Vogt . S. S. . Tinney . C. G. . Jones . H. R. A. . Carter . B. D. . Johnson . J. A. . McCarthy . C. . Penny . A. J. . 1 . The Astrophysical Journal . 646 . 1 . 505–522 . 2006 . 10.1086/504701 . 2006ApJ...646..505B . astro-ph/0607493 . 119067572 .
- MUGRAUER M. . NEUHAEUSER R. . MAZEH T. . The multiplicity of exoplanet host stars. Spectroscopic confirmation of the companions GJ 3021B and HD 27442B, one new planet host triple-star system, and global statistics. . Astronomy and Astrophysics . 2007 . 469 . 2. 755–770 . 2007A&A...469..755M . 10.1051/0004-6361:20065883 . astro-ph/0703795 . 204926851 .
External links
- Web site: HD 40979 . Exoplanets . 2008-10-29 . https://web.archive.org/web/20091125091151/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+40979 . 2009-11-25 . dead .
- Web site: Simulation HD 40979b . obspm.fr/ . 2008-08-20 . https://web.archive.org/web/20071203101111/http://media4.obspm.fr/exoplanets/base/planete.php?etoile=HD+40979&planete=b . 2007-12-03 . dead .