Astronomy:HD 215497 c
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 | |
| 1.282 AU (191,800,000 km)[1] | |
| Eccentricity | 0.49 ± 0.04[1] |
| Orbital period | 567.94 ± 2.70[1] d |
| astron|astron|helion}} | 2,455,003.48 ± 5.15[1] |
| 45 ± 4[1] | |
| Semi-amplitude | 10.10 ± 0.65[1] |
| Star | HD 215497 |
HD 215497 c is an extrasolar planet which orbits the G-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least one-thirds the mass of Jupiter and takes 568 days to orbit the star at a semimajor axis of 1.282 AU.[1] This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 215497 b.
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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