Astronomy:HD 215497 c

From HandWiki
Short description: Extrasolar planet in the constellation Tucana
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]
Orbital period567.94 ± 2.70[1] d
astron|astron|helion}}2,455,003.48 ± 5.15[1]
45 ± 4[1]
Semi-amplitude10.10 ± 0.65[1]
StarHD 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

Coordinates: Sky map 22h 46m 36.7543s, −56° 35′ 58.322″