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HD 215497 c

Summary

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.

HD 215497 c
Discovery
Discovered byLo Curto et al.
Discovery siteLa Silla Observatory
Discovery dateOctober 19, 2009
Radial velocity (HARPS)
Orbital characteristics
1.282 AU (191,800,000 km)[1]
Eccentricity0.49 ± 0.04[1]
567.94 ± 2.70[1] d
2,455,003.48 ± 5.15[1]
45 ± 4[1]
Semi-amplitude10.10 ± 0.65[1]
StarHD 215497

References edit

  1. ^ 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.