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HD 32518 b 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.

HD 32518 b
Discovery
Discovered byDöllinger et al.
Discovery siteTLS
Discovery dateAugust 12, 2009
Detection method
Radial velocity
Orbital characteristics
Apastron0.60 AU (90,000,000 km)
Periastron0.58 AU (87,000,000 km)
Semi-major axis
0.59 ± 0.03 AU (88,300,000 ± 4,500,000 km)
Eccentricity0.01 ± 0.03
Orbital period (sidereal)
157.54 ± 0.38 d
0.4313 ± 0.001 y
Time of periastron
2452950.29 ± 13.66
Argument of periastron
306.11 ± 126.71
StarHD 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]


    References


    1. Döllinger, P.; et al. (2009). "Planetary companions around the K giant stars 11 Ursae Minoris and HD 32518". Astronomy and Astrophysics. 505 (3): 1311–1317. arXiv:0908.1753. Bibcode:2009A&A...505.1311D. doi:10.1051/0004-6361/200911702.
    2. "Approved names". NameExoworlds. Retrieved 2020-01-02.
    3. "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.
    4. "Abstimmung über Exoplaneten-Namen: Planet Neri umkreist Stern Mago". www.haus-der-astronomie.de. Retrieved 2020-01-02.


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    HD 32518 b es un planeta extrasolar que orbita la estrella de tipo K HD 32518, localizado aproximadamente a 383 años luz, en la constelación de Camelopardalis.Este planeta tiene al menos 3 veces la masa de Júpiter y tarda 10,35 meses en completar su periodo orbital, con un semieje mayor de 0,59 UA.Este planeta fue descubierto usando el método de la velocidad radial el 12 de agosto de 2009.[1] El astrónomo Wladimir Lyra (2009) ha propuesto Opalia como el nombre común posible para HD 32518 b.[2]


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