(en) Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Masahiro Ikoma, Masashi Omiya, Seiji Masuda, Yoichi Takeda, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo et Shigeru Ida, « Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae and HD 81688 », Publications of the Astronomical Society of Japan, vol. 60, no 3, , p. 539–550 (DOI10.1093/pasj/60.3.539, Bibcode2008PASJ...60..539S, arXiv0802.2590, lire en ligne).
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(en) Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Masahiro Ikoma, Masashi Omiya, Seiji Masuda, Yoichi Takeda, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo et Shigeru Ida, « Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae and HD 81688 », Publications of the Astronomical Society of Japan, vol. 60, no 3, , p. 539–550 (DOI10.1093/pasj/60.3.539, Bibcode2008PASJ...60..539S, arXiv0802.2590, lire en ligne).
(en) Bun'ei Sato, Hiroyasu Ando, Eiji Kambe, Yoichi Takeda, Hideyuki Izumiura, Seiji Masuda, Etsuji Watanabe, Kunio Noguchi, Setsuko Wada, Norio Okada, Hisashi Koyano, Hideo Maehara, Yuji Norimoto, Takafumi Okada, Yasuhiro Shimizu, Fumihiro Uraguchi, Kenshi Yanagisawa et Michitoshi Yoshida, « A Planetary Companion to the G-Type Giant Star HD 104985 », The Astrophysical Journal Letters, vol. 597, no 2, , L157–L160 (DOI10.1086/379967, Bibcode2003ApJ...597L.157S, lire en ligne)
(en) Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Masahiro Ikoma, Masashi Omiya, Seiji Masuda, Yoichi Takeda, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo et Shigeru Ida, « Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae and HD 81688 », Publications of the Astronomical Society of Japan, vol. 60, no 3, , p. 539–550 (DOI10.1093/pasj/60.3.539, Bibcode2008PASJ...60..539S, arXiv0802.2590, lire en ligne).
(en) Bun'ei Sato, Hiroyasu Ando, Eiji Kambe, Yoichi Takeda, Hideyuki Izumiura, Seiji Masuda, Etsuji Watanabe, Kunio Noguchi, Setsuko Wada, Norio Okada, Hisashi Koyano, Hideo Maehara, Yuji Norimoto, Takafumi Okada, Yasuhiro Shimizu, Fumihiro Uraguchi, Kenshi Yanagisawa et Michitoshi Yoshida, « A Planetary Companion to the G-Type Giant Star HD 104985 », The Astrophysical Journal Letters, vol. 597, no 2, , L157–L160 (DOI10.1086/379967, Bibcode2003ApJ...597L.157S, lire en ligne)
(en) Bun'ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Masahiro Ikoma, Masashi Omiya, Seiji Masuda, Yoichi Takeda, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo et Shigeru Ida, « Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae and HD 81688 », Publications of the Astronomical Society of Japan, vol. 60, no 3, , p. 539–550 (DOI10.1093/pasj/60.3.539, Bibcode2008PASJ...60..539S, arXiv0802.2590, lire en ligne).