HD 28185

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Stern
HD 28185
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Eridanus
Right ascension 04 h 26 m 26.32 s
declination -10 ° 33 ′ 3 ″
Apparent brightness 7.8 likes
Typing
Known exoplanets 1
B − V color index +0.75 
Spectral class G5
Astrometry
Radial velocity (49.9 ± 0.2) km / s
parallax (23.62 ± 0.87)  mas
distance (138 ± 5)  ly
(42.3 ± 1.6)  pc  
Visual absolute brightness M vis +4.67 mag
Proper movement 
Rec. Share: (84.42 ± 0.84)  mas / a
Dec. portion: (−57.66 ± 0.72)  mas / a
Physical Properties
Dimensions approx. 1  M ☉
radius about 1  R ☉
Metallicity [Fe / H] +0.24
Age approx. 5 · 10 9  a
Other names
and catalog entries
Bonn survey BD −10 ° 919
Henry Draper Catalog HD 28185 [1]
Hipparcos catalog HIP 20723 [2]
SAO catalog SAO 149631 [3]
Tycho catalog TYC 5317-733-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
Other names GSC 05317-00733
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 28185 is a spectral class G star in the constellation Eridanus, about 140  light years away . It has an apparent magnitude of 7.8 mag.

In 2001 Santos et al. the discovery of an exoplanet candidate around this star, which was given the systematic designation HD 28185 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)