Astronomy:HD 40979 b
From HandWiki
Short description: Extrasolar planet orbiting HD 40979
| Discovery | |
|---|---|
| Discovered by | Fischer et al.[1] |
| Discovery site | Lick and Keck Observatory Fairborn Observatory  USA |
| Discovery date | 13 June 2002 |
| Radial velocity | |
| Orbital characteristics | |
| astron|astron|helion}} | 1.085 AU (162,300,000 km) |
| astron|astron|helion}} | 0.625 AU (93,500,000 km) |
| 0.855 ± 0.049 AU (127,900,000 ± 7,300,000 km) | |
| Eccentricity | 0.269 ± 0.034 |
| Orbital period | 263.84 ± 0.71 d 0.72 y |
| Average Orbital speed | 35.5 |
| astron|astron|helion}} | 2,451,748.1 ± 8.6 |
| 318 ± 10 | |
| Semi-amplitude | 112 ± 5 |
| Star | HD 40979 |
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.[1]
References
- ↑ 1.0 1.1 Fischer, Debra A. et al. (2003). "A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529". The Astrophysical Journal 586 (2): 1394–1408. doi:10.1086/367889. Bibcode: 2003ApJ...586.1394F.
- Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. Bibcode: 2006ApJ...646..505B.
- MUGRAUER M.; NEUHAEUSER R.; MAZEH T. (2007). "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 469 (2): 755–770. doi:10.1051/0004-6361:20065883. Bibcode: 2007A&A...469..755M.
External links
- "HD 40979". Exoplanets. http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+40979.
- "Simulation HD 40979b". obspm.fr/. http://media4.obspm.fr/exoplanets/base/planete.php?etoile=HD+40979&planete=b.
Coordinates: 
06h 04m 29.9431s, +44° 15′ 37.599″
de:HD 40979 b
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