HD 117207

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Stern
HD 117207
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation centaur
Right ascension 13 h 29 m 21.11 s
declination -35 ° 34 ′ 15.6 ″
Apparent brightness 7.26 likes
Typing
Known exoplanets 1
Spectral class G8 IV / V
Astrometry
Radial velocity (−17.5 ± 0.1) km / s
parallax (30.26 ± 0.70)  mas
distance (108 ± 2)  ly
(33.05 ± 0.76)  pc  
Visual absolute brightness M vis +4.66 mag
Proper movement 
Rec. Share: (−204.79 ± 0.71)  mas / a
Dec. portion: (−72.19 ± 0.43)  mas / a
Physical Properties
Dimensions 1.07  M
radius 1.09  R
Effective temperature 5432  K
Metallicity [Fe / H] 0.27
Age 6.68 x 10 9  a
Other names
and catalog entries
Henry Draper Catalog HD 117207 [1]
Hipparcos catalog HIP 65808 [2]
SAO catalog SAO 204517 [3]
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 117207 is a yellow dwarf or sub-giant, 108 light-years from Earth, with a right ascension of 13 h 29 m 21 s and a declination of −35 ° 34 '15 ". It has an apparent magnitude of 7.3 mag. In 2004 Geoffrey Marcy discovered an extrasolar planet orbiting this star, named HD 117207 b .

Web links

Individual evidence

  1. a b c Hipparcos catalog (ESA 1997)
  2. Pulkovo radial velocities for 35493 HIP stars
  3. a b c Hipparcos, the New Reduction (van Leeuwen, 2007)