HD 219828 is a star with two exoplanetary companions in the constellation of Pegasus. With an apparent visual magnitude of 8.04, it is an eighth magnitude...
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HD 219828 b is an extrasolar planet approximately 265 light years away in the constellation of Pegasus. This is a Neptune-mass planet at least 21 times...
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planet. The orbit is nearly circular at the average distance of 2.25 AU. HD 219828 b Wittenmyer, Robert A.; et al. (2012). "The Anglo-Australian Planet Search...
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I. Han; M.-G. Park (2012). "Planetary companions orbiting M giants HD 208527 and HD 220074". Astronomy & Astrophysics. 549: A2. arXiv:1211.2051. Bibcode:2013A&A...
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VizieR. Melo, C.; et al. (May 2007). "A new Neptune-mass planet orbiting HD 219828". Astronomy and Astrophysics. 467 (2): 721–727. arXiv:astro-ph/0702459...
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most massive exoplanet candidate is HD 217786 b, which masses 12.98 MJ; the least massive confirmed planet is HD 10180 b, which masses 0.004 MJ or 3.1...
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actually a lower limit. (See Minimum mass for more information) The companion to HD 131664 (discovered in 2008) has been shown to have a true mass much greater...
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the companions are brown dwarfs with masses about 40 times that of Jupiter. HD 131399 Ab had been thought to be a massive directly-imaged planet located...
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the first planet was significantly revised during the investigation. HD 219828 HD 28185 List of extrasolar planets Roman, Nancy G. (1987). "Identification...
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9039 9055 9078 9109 HD 434 204603 205011 205422 205603 206689 206793 208897 209709 210890 211076 213025 215549 215733 219196 219828 220288 220773 221170...
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Gliese 880 (redirect from HD 216899)
arXiv:1506.08039. Bibcode:2015MNRAS.452.2745S. doi:10.1093/mnras/stv1441. "HD 216899". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved...
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9039 9055 9078 9109 HD 434 204603 205011 205422 205603 206689 206793 208897 209709 210890 211076 213025 215549 215733 219196 219828 220288 220773 221170...
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9039 9055 9078 9109 HD 434 204603 205011 205422 205603 206689 206793 208897 209709 210890 211076 213025 215549 215733 219196 219828 220288 220773 221170...
9 KB (627 words) - 01:47, 14 December 2024