HD 222582 b is an extrasolar planet over 7 times the mass of Jupiter orbiting the star HD 222582. The orbital period is 572 days and orbits at a semimajor axis of 1.35 AU in one of the most eccentric orbits of any known planets.[2]
| Discovery[1][2] | |
|---|---|
| Discovered by | California and Carnegie Planet Search |
| Discovery site | W. M. Keck Observatory |
| Discovery date | November 1, 1999 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.35 AU (202,000,000 km) | |
| Eccentricity | 0.76 |
| 572 d | |
| 2,450,174.8 | |
| 293 | |
| Semi-amplitude | 276.6 |
| Star | HD 222582 |
See also
References
- ^ "Astronomers discover six new planets orbiting nearby stars" (Press release). Kamuela, Hawaii: W. M. Keck Observatory. November 1, 1999. Retrieved December 19, 2017.
- ^ a b Vogt, Steven S.; et al. (2000). "Six New Planets from the Keck Precision Velocity Survey". The Astrophysical Journal. 536 (2): 902–914. arXiv:astro-ph/9911506. Bibcode:2000ApJ...536..902V. doi:10.1086/308981.
- Gimenez; A. (2000). "uvby Photometry of stars with planets". Astronomy and Astrophysics. 356: 213. Bibcode:2000A&A...356..213G.
- Han; Black, David C.; Gatewood, George (2001). "Preliminary astrometric masses for proposed exrasolar planetary companions". The Astrophysical Journal Letters. 548 (1): L57–L60. Bibcode:2001ApJ...548L..57H. doi:10.1086/318927.
External links
- "Notes for planet HD 222582 b".
{{cite web}}: Unknown parameter|encyclopedia=ignored (help) - "HD 222582". Exoplanets. Archived from the original on 2010-03-17. Retrieved 2008-09-10. Simulation
- "Location". planetquest1.jpl.nasa.gov. Archived from the original on 2011-07-26.
- "Curve". exoplanets.org. Archived from the original on 2010-06-11.
- "Notes for planet HD 222582 b". www.astrocosmos.net. Archived from the original on 2012-12-09.
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