HD 164427

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Star
HD 164427
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation telescope
Right ascension 18 h 04 m 42.6 s
declination -59 ° 12 ′ 34.5 ″
Apparent brightness 6.88 likes
Typing
Spectral class G4 IV
Astrometry
Radial velocity (+4.3 ± 0.8) km / s
parallax (26.32 ± 0.71)  mas
distance (124 ± 4)  ly
(38.0 ± 1.0)  pc  
Visual absolute brightness M vis +4.0 mag
Proper movement 
Rec. Share: (−199.30 ± 0.69)  mas / a
Dec. portion: (−51.51 ± 0.43)  mas / a
Physical Properties
Dimensions (1.15 ± 0.03)  M ☉
Effective temperature (6000 ± 50)  K.
Metallicity [Fe / H] +0.19 ± 0.06
Other names
and catalog entries
Henry Draper Catalog HD 164427 [1]
Hipparcos catalog HIP 88531 [2]
SAO catalog SAO 245217 [3]
annotation
  1. ↑ Estimated from apparent brightness and distance.

HD 164427 is a sub-giant of the spectral class G4 in the constellation Telescopium, 120  light years from Earth . It has an apparent magnitude of 6.9 mag. The star has a spectroscopic companion with HD 164427 B , which is a low-mass star with about 0.3 solar masses. The period of revolution is 108.5 days, the eccentricity of the orbit 0.55, its inclination around 12 °. The discovery of the companion was made in 2001 by Christopher G. Tinney et al. published.

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)