HD 33564

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Star
HD 33564
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation giraffe
Right ascension 05 h 22 m 33.5 s
declination + 79 ° 13 ′ 52 ″
Apparent brightness 5.08 likes
Typing
Known exoplanets 1
B − V color index +0.47 
U − B color index −0.13 
Spectral class F6 V
Astrometry
Radial velocity (−10.8 ± 0.3) km / s
parallax (47.88 ± 0.21)  mas
distance (68.1 ± 0.3)  ly
(20.89 ± 0.09)  pc  
Visual absolute brightness M vis +3.5 mag
Proper movement 
Rec. Share: (−78.48 ± 0.15)  mas / a
Dec. portion: (+161.95 ± 0.22)  mas / a
Physical Properties
Dimensions 1.25  M
radius 1.1  R
Effective temperature 6251  K
Metallicity [Fe / H] −0.12
Age approx. 3 billion  a
Other names
and catalog entries
Bonn survey BD + 79 ° 169
Bright Star Catalog HR 1686 [1]
Henry Draper Catalog HD 33564 [2]
Hipparcos catalog HIP 25110 [3]
SAO catalog SAO 5496 [4]
Tycho catalog TYC 4532-2096-1 [5]Template: Infobox star / maintenance / specification of the TYC catalog
annotation
  1. estimated from apparent brightness and distance

HD 33564 is a main sequence star of spectral class F, 68 light years away. It has an apparent magnitude of 5.08 mag.

In 2005 Galland et al. the discovery of a companion to this star that is an exoplanet candidate. The property has the systematic designation HD 33564 b .

Web links

Individual evidence

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