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Extrasolar planet in the constellation Camelopardalis From Wikipedia, the free encyclopedia
HD 32518 b, formally named Neri, is an extrasolar planet which orbits the K-type giant star HD 32518, located 399.7 light years away in the constellation Camelopardalis. It has a minimum mass three times greater than Jupiter and orbits the intermediate-mass giant star at a distance of only 0.59 AU in a very circular orbit. The orbit takes 10.35 months to complete one round trip around the star.[1] This planet was detected by the radial velocity method on August 12, 2009.
Discovery | |
---|---|
Discovered by | Döllinger et al. |
Discovery site | TLS |
Discovery date | August 12, 2009 |
Radial velocity | |
Orbital characteristics | |
Apastron | 0.60 AU (90,000,000 km) |
Periastron | 0.58 AU (87,000,000 km) |
0.59 ± 0.03 AU (88,300,000 ± 4,500,000 km) | |
Eccentricity | 0.01 ± 0.03 |
157.54 ± 0.38 d 0.4313 ± 0.001 y | |
2452950.29 ± 13.66 | |
306.11 ± 126.71 | |
Star | HD 32518 |
For the 100th anniversary of the IAU HD 32518 and the planet HD 32518b were selected NameExoWorlds campaigns for Germany. The approved name of the planet HD 32518 b is Neri, named after the river Neri in Ethiopia, which runs through parts of the Mago National park. The name was suggested by pupils of a physics course at the Max-Born-Gymnasium in Neckargemünd.[2][3][4]
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