A planetary companion to the hyades giant ε tauri

• Published in: The Astrophysical journal Vol. 661; no. 1; pp. 527 - 531
• Main Authors: SATO, Bun'Ei, IZUMIURA, Hideyuki, YOSHIDA, Michitoshi, IKOMA, Masahiro, KOKUBO, Eiichiro, IDA, Shigeru, TOYOTA, Eri, KAMBE, Eiji, TAKEDA, Yoichi, MASUDA, Seiji, OMIYA, Masashi, MURATA, Daisuke, ITCH, Yoichi, ANDO, Hiroyasu
• Format: Journal Article
• Language: English
• Published: Chicago, IL University of Chicago Press 20.05.2007
• Subjects: Astronomy; Earth, ocean, space; Exact sciences and technology; planetary systems; techniques: radial velocities; open clusters and associations: individual (Hyades); Open clusters; Radial velocity; Star clusters; Planetary system; stars: individual (e Tauri)

We report the detection of an extrasolar planet orbiting epsilon Tau, one of the giant stars in the Hyades open cluster. This is the first planet ever discovered in an open cluster. Precise Doppler measurements of this star from Okayama Astrophysical Observatory have revealed Keplerian velocity vari...