HD 11964 b is an extrasolar planet, a gas giant like Jupiter approximately 110 light-years away in the constellation of Cetus. The planet orbits the yellow subgiant star HD 11964 in a nearly-circular orbit, taking over 5 years to complete a revolution around the star at a distance of 3.34 astronomical units.[1]
| Discovery | |
|---|---|
| Discovered by | Butler et al. |
| Discovery site | California,  United States |
| Discovery date | 7 August 2005 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 3.34 ± 0.4 AU (500,000,000 ± 60,000,000 km)[1] | |
| Eccentricity | 0.06 ± 0.2[1] |
| 2110 ± 70[1] d | |
| 2,454,170 ± 380[1] | |
| Semi-amplitude | 9.41 ± 0.39[1] |
| Star | HD 11964 |
The planet was discovered in 2005 and published as part of the Catalog of Nearby Exoplanets under the designation HD 11964 b.[2] However, since that time there has been confusion as to the designations of the planets in the HD 11964 system, leading to some sources designating this planet as "HD 11964 c".[3][4] In a recent review of the properties of multi-planet extrasolar planetary systems, the discovery team has stated that the correct designation for this planet is HD 11964 b.[1]
References
edit- ^ a b c d e f g Wright, J. T.; et al. (2009). "Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems". The Astrophysical Journal. 693 (2): 1084–1099. arXiv:0812.1582. Bibcode:2009ApJ...693.1084W. doi:10.1088/0004-637X/693/2/1084. S2CID 18169921.
- ^ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. S2CID 119067572.
- ^ Raghavan, D.; et al. (2006). "Two Suns in The Sky: Stellar Multiplicity in Exoplanet Systems". The Astrophysical Journal. 646 (1): 523–542. arXiv:astro-ph/0603836. Bibcode:2006ApJ...646..523R. doi:10.1086/504823. S2CID 5669768. Archived from the original on 2020-04-28. Retrieved 2009-03-16.
- ^ Schneider, J. "Notes for planet HD 11964 c". Extrasolar Planets Encyclopaedia. Retrieved 2008-12-15.
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