Five New Extrasolar Planets

  title={Five New Extrasolar Planets},
  author={Geoffrey W. Marcy and R. Paul Butler and Steven S. Vogt and Debra A. Fischer and Gregory W. Henry and Gregory P. Laughlin and Jason T. Wright and John Asher Johnson},
  journal={The Astrophysical Journal},
  pages={570 - 584}
We report multiple Doppler measurements of five nearby FGK main-sequence stars and subgiants obtained during the past 4-6 yr at the Keck Observatory. These stars, namely, HD 183263, HD 117207, HD 188015, HD 45350, and HD 99492, all exhibit coherent variations in their Doppler shifts consistent with a planet in Keplerian motion. The five new planets occupy known realms of planetary parameter space, including a wide range of orbital eccentricities, e = 0-0.78, and semimajor axes, 0.1-3.8 AU, that… 


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