Astronomy:HD 215497 b
From HandWiki
Short description: Extrasolar planet in the constellation Tucana
| Discovery | |
|---|---|
| Discovered by | Lo Curto et al. |
| Discovery site | La Silla Observatory |
| Discovery date | October 19, 2009 |
| Radial velocity (HARPS) | |
| Orbital characteristics | |
| 0.047 AU (7,000,000 km)[1] | |
| Eccentricity | 0.16 ± 0.09[1] |
| Orbital period | 3.93404 ± 0.00066[1] d |
| astron|astron|helion}} | 2,454,858.95 ± 0.37[1] |
| 96 ± 34[1] | |
| Semi-amplitude | 2.98 ± 0.34[1] |
| Star | HD 215497 |
HD 215497 b is an extrasolar planet which orbits the K-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least 6.6 times the mass of Earth.[1] This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 215497 c.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Lo Curto, G. et al. (2015). "The HARPS search for southern extra-solar planets. XXII. Multiple planet systems from the HARPS volume limited sample". Astronomy and Astrophysics 512: A48. doi:10.1051/0004-6361/200913523. Bibcode: 2010A&A...512A..48L. http://www.aanda.org/articles/aa/full_html/2010/04/aa13523-09/aa13523-09.html.
Coordinates: 
22h 46m 36.7543s, −56° 35′ 58.322″
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