HD 215497 b

HD 215497 b
Discovery
Discovered by	Lo Curto et al.
Discovery site	La Silla Observatory
Discovery date	October 19, 2009
Detection method	Radial velocity (HARPS)
Orbital characteristics
Semi-major axis	0.047 AU (7,000,000 km)
Eccentricity	0.16 ± 0.09
Orbital period (sidereal)	3.93404 ± 0.00066 d
Time of periastron	2,454,858.95 ± 0.37
Argument of periastron	96 ± 34
Semi-amplitude	2.98 ± 0.34
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[]

^ ^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.

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

This extrasolar-planet-related article is a stub. You can help Wikipedia by .

[Lo_Curto2010-1] ^ ^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.

[1]

v t HD 215497 System
Stars	HD 215497
Planets	HD 215497 b HD 215497 c

Discovery
Discovered by	Lo Curto et al.
Discovery site	La Silla Observatory
Discovery date	October 19, 2009
Detection method	Radial velocity (HARPS)
Orbital characteristics
Semi-major axis	0.047 AU (7,000,000 km)^[1]
Eccentricity	0.16 ± 0.09^[1]
Orbital period (sidereal)	3.93404 ± 0.00066^[1] d
Time of periastron	2,454,858.95 ± 0.37^[1]
Argument of periastron	96 ± 34^[1]
Semi-amplitude	2.98 ± 0.34^[1]
Star	HD 215497