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] |
567.94 ± 2.70[1] d | |
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
[edit]- ^ a b c d e f g 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. arXiv:1411.7048. Bibcode:2010A&A...512A..48L. doi:10.1051/0004-6361/200913523.