HD 159868

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Stern
HD 159868
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Scorpio
Right ascension 17 h 38 m 59.53 s
declination -43 ° 08 ′ 43.9 ″
Apparent brightness 7.24 likes
Typing
Known exoplanets 1
Spectral class G5 V
Astrometry
Radial velocity (−23.1 ± 0.3) km / s
parallax (17.04 ± 0.76)  mas
distance (191 ± 8)  ly
(59 ± 3)  pc  
Visual absolute brightness M vis +3.40 mag
Proper movement 
Rec. Share: (−231.62 ± 1.04)  mas / a
Dec. portion: (−167.00 ± 0.81)  mas / a
Physical Properties
Dimensions 1.09  M
Effective temperature 5395  K
Metallicity [Fe / H] 0
Age 8.1 x 10 9  a
Other names
and catalog entries
Henry Draper Catalog HD 159868 [1]
Hipparcos catalog HIP 86375 [2]
SAO catalog SAO 228234 [3]
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 159868 is a yellow dwarf 171.9 light years from Earth with a right ascension of 17h 38m 60s and a declination of −43 ° 08 '44 ". It has an apparent magnitude of 7.24 mag. In 2007, Simon O 'Toole an extrasolar planet orbiting this star, named HD 159868 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)