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HD 117207 b

HD 117207 b
Discovery[1]
Discovered byMarcy et al.
Discovery siteKeck Observatory
Discovery date25 January 2005
radial velocity
Orbital characteristics[2]
3.773+0.036
−0.035 AU
Eccentricity0.04+0.026
−0.024
2606+12
−13 d
7.136+0.034
−0.035 yr
15.9
Inclination76.6°+9.3°
−12.0° or 103.4°+12.0°
−9.3°
42°+17°
−18°
2456669+341
−339
186°+48°
−47°
Semi-amplitude26.6±0.93
StarHD 117207
Physical characteristics[2]
Mass2.106+0.16
−0.089 MJ

HD 117207 b is an exoplanet orbiting at 3.77 astronomical units around HD 117207, taking about 7.14 years to complete its orbit. Its orbit has a low to moderate eccentricity. This planet was announced in January 2005 by Marcy at the Keck Observatory.[1] HD 117207 b has a minimum mass of 1.88 Jupiter masses,[3] and in 2023 its inclination and true mass were determined via astrometry.[2]

  1. ^ a b Cite error: The named reference Marcy2005 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference Xiao2023 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Butler2006 was invoked but never defined (see the help page).

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