HD 164604 b
HD 164604 b is an extrasolar planet discovered in January 2010 in association with the Magellan Planet Search Program. It has 2.7 times the mass of Jupiter and an orbital period of 606.4 days. Its star is classified as a K2 V dwarf and is roughly 124 light-years away from Earth.[1]
| Discovery | |
|---|---|
| Discovered by | Arriagada et al. |
| Discovery site | Las Campanas Observatory |
| Discovery date | January 26, 2010 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| Apastron | 1.40 AU (209,000,000 km) |
| Periastron | 0.85 AU (127,000,000 km) |
| 1.13 ± 0.05 AU (169,000,000 ± 7,500,000 km) | |
| Eccentricity | 0.24 ± 0.14 |
| 606.4 ± 9.0 d 1.66 y | |
Average orbital speed | 20.3 |
| 24552674 ± 80 | |
| 51 ± 23 | |
| Semi-amplitude | 77 ± 32 |
| Star | HD 164604 |
HD 164604 b is named Caleuche. The name was selected in the NameExoWorlds campaign by Chile, during the 100th anniversary of the IAU. Caleuche is a large ghost ship from southern Chilean mythology which sails the seas around the island of Chiloé at night.[2][3]
See also
References
- "HD 164604". exoplanet.eu/catalog. Retrieved 28 June 2013.
- "Approved names". NameExoworlds. Retrieved 2020-01-02.
- "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.
Further reading
- Arriagada; et al. (2010). "Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program". The Astrophysical Journal. 711 (2): 1229. arXiv:1001.4093. Bibcode:2010ApJ...711.1229A. doi:10.1088/0004-637X/711/2/1229.
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