Astronomy:HD 222582 b
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Short description: Extrasolar planet
| 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 |
| Orbital period | 572 d |
| astron|astron|helion}} | 2,450,174.8 |
| 293 | |
| Semi-amplitude | 276.6 |
| Star | HD 222582 |
| Physical characteristics | |
| Mean radius | 1.12 [3] |♃|J}}}}}} Estimate |
| Mass | 8.37 [4] |♃|J}}}}}} |
HD 222582 b is an extrasolar planet that is 8.37 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 the known planets.[2]
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.
- ↑ 2.0 2.1 Vogt, Steven S. et al. (2000). "Six New Planets from the Keck Precision Velocity Survey". The Astrophysical Journal 536 (2): 902–914. doi:10.1086/308981. Bibcode: 2000ApJ...536..902V.
- ↑ NASA.gov
- ↑ NASA.gov
- Gimenez; A. (2000). "uvby Photometry of stars with planets". Astronomy and Astrophysics 356: 213. Bibcode: 2000A&A...356..213G. http://aa.springer.de/bibs/0356001/2300213/small.htm. Retrieved 2011-08-16.
- Han; Black, David C.; Gatewood, George (2001). "Preliminary astrometric masses for proposed exrasolar planetary companions". The Astrophysical Journal Letters 548 (1): L57–L60. doi:10.1086/318927. Bibcode: 2001ApJ...548L..57H.
External links
- "Notes for planet HD 222582 b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/hd_222582_b--101/.
- "HD 222582". Exoplanets. http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+222582. Simulation
- "Location". planetquest1.jpl.nasa.gov. http://planetquest1.jpl.nasa.gov/atlas/atlas_skymap.cfm?Star=147.
- "Curve". exoplanets.org. http://exoplanets.org/esp/hd222582/hd222582.shtml.
- "Notes for planet HD 222582 b". www.astrocosmos.net. http://www.astrocosmos.net/article/HD_222582_b.htm.
Coordinates: 
23h 41m 51.5299s, −05° 59′ 08.726″
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