Astronomy:HD 34445 b
From HandWiki
Short description: Extrasolar planet in the constellation Orion that orbits the star HD 34445
| Discovery | |
|---|---|
| Discovered by | Howard et al.[1] |
| Discovery site | Keck Observatory |
| Discovery date | 2004 |
| Radial velocity | |
| Orbital characteristics | |
| 2.01 ± 0.01 AU (300,700,000 ± 1,500,000 km) | |
| Eccentricity | 0.57 ± 0.06 |
| Orbital period | 1004 ± 7 d |
| astron|astron|helion}} | 23845 ± 40 |
| 135 ± 16 | |
| Semi-amplitude | 15.9 ± 1.2 |
| Star | HD 34445 |
HD 34445 b is an extrasolar planet which orbits the G-type star HD 34445, located approximately 150.5 light years away in the constellation Orion. This planet was discovered in 2004 and finally confirmed in 2009. This planet has a minimum mass two-thirds that of Jupiter and orbits about 2 AU from the parent star. However this planet orbits in a very eccentric path. The planet's distance from the star ranges from 0.86 to 3.16 AU however it spends its full orbit within the star's habitable zone.
See also
Other planets that were discovered or confirmed on November 13, 2009:
References
- ↑ Howard, Andrew W. et al. (2010). "The California Planet Survey. I. Four New Giant Exoplanets". The Astrophysical Journal 721 (2): 1467–1481. doi:10.1088/0004-637X/721/2/1467. Bibcode: 2010ApJ...721.1467H.
- Jean Schneider (2011). "Notes for Planet HD 34445 b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/hd_34445_b--270/.
Coordinates: 
05h 17m 40.9786s, +07° 21′ 12.036″
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