HD 213240 b

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HD 213240 b
Discovery
Discovered bySantos et al.[1]
Discovery siteGeneva Extrasolar Planet Search
Discovery dateApril 4, 2001
Doppler spectroscopy
Orbital characteristics
Apastron2.73 AU (408,000,000 km)
Periastron1.11 AU (166,000,000 km)
1.92 AU (287,000,000 km)
Eccentricity0.421 ± 0.015
882.7 ± 7.6 d
2.417 y
23.7
2451499 ± 12
201.0 ± 3.2
Semi-amplitude96.6 ± 2.0
StarHD 213240

HD 213240 b is an extrasolar planet located approximately 133 light-years (41 parsecs) away in the constellation of Grus, orbiting the star HD 213240.[1]

The origin of this known planet came from the country of Switzerland and the astronomer Santos. The date was on April 4, 2001 and the method was Doppler spectroscopy.

See also[edit]

References[edit]

  1. ^ a b Santos, N. C.; et al. (2001). "The CORALIE survey for southern extra-solar planets VI. New long period giant planets around HD 28185 and HD 213240". Astronomy and Astrophysics. 379 (3): 999–1004. arXiv:astro-ph/0106255. Bibcode:2001A&A...379..999S. doi:10.1051/0004-6361:20011366.

External links[edit]

Coordinates: Sky map 22h 31m 00.3672s, −49° 25′ 59.773″