Coordinates: Sky map 02h 37m 01.9110s, +42° 03′ 45.479″

HD 16175 b

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HD 16175 b
Discovered byPeek "et al."
Discovery siteLick Observatory
radial velocity
Orbital characteristics
2.148±0.076 AU
995.4±2.8[1] d
StarHD 16175

HD 16175 b is an extrasolar planet located approximately 195.6 light-years away in the constellation of Andromeda, orbiting the star HD 16175. This planet masses 4.8 times that of Jupiter. However, the mass is only a minimum since the inclination of the orbit is not known. This planet orbits at about 2.2 astronomical units, taking 2.73 years to revolve around the star. The orbit of the planet is highly noncircular with an eccentricity at 0.64.[1]

The planet HD 16175 b is named Abol. The name was selected in the NameExoWorlds campaign by Ethiopia, during the 100th anniversary of the IAU. Abol is the first of three rounds of coffee in the Ethiopian traditional coffee ceremony.[2][3]


The discovery was made using radial velocity measurements taken between November 2004 and March 2009 with the Coudé Auxiliary and C. Donald Shane telescopes at Lick Observatory.[4]

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  1. ^ a b c d e f Díaz, Rodrigo F.; Rey, Javiera; Demangeon, Olivier D. S.; Hébrard, Guillaume; Boisse, Isabelle; Arnold, Luc; Astudillo-Defru, Nicola; Beuzit, Jean-Luc; Bonfils, Xavier; Borgniet, Simon; Bouchy, François; Bourrier, Vincent; Courcol, Bastien; Deleuil, Magali; Delfosse, Xavier; Ehrenreich, David; Forveille, Thierry; Lagrange, Anne-Marie; Mayor, Michel; Moutou, Claire; Pepe, Francesco; Queloz, Didier; Santerne, Alexandre; Santos, Nuno C.; Sahlmann, Johannes; Ségransan, Damien; Udry, Stéphane; Wilson, Paul A. (2016). "The SOPHIE search for northern extrasolar planets XI. Three new companions and an orbit update: Giant planets in the habitable zone". Astronomy & Astrophysics. 591: A146. arXiv:1604.07610. Bibcode:2016A&A...591A.146D. doi:10.1051/0004-6361/201628331. S2CID 3282336.
  2. ^ "Approved names". NameExoworlds. Retrieved 2020-01-02.
  3. ^ "International Astronomical Union | IAU". Retrieved 2020-01-02.
  4. ^ Peek, John Asher; et al. (2009). "Old, rich, and eccentric: two jovian planets orbiting evolved metal-rich stars". Publications of the Astronomical Society of the Pacific. 121 (880): 613–620. arXiv:0904.2786. Bibcode:2009PASP..121..613P. doi:10.1086/599862. S2CID 12042779.

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