Tài liệu tham khảo WikiPedia: HD_217107 http://www.solstation.com/stars2/hr8734.htm http://exoplanet.eu/catalog/hd_217107_b/ http://exoplanet.eu/catalog/hd_217107_c/ http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... //arxiv.org/abs/0812.1582 //arxiv.org/abs/1108.4971 //arxiv.org/abs/1306.2974 //arxiv.org/abs/1501.00633 //arxiv.org/abs/1804.09365 //arxiv.org/abs/2009.12356
