HD 4208

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Star
HD 4208
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation sculptor
Right ascension 00 h 44 m 26.65 s
declination -26 ° 30 ′ 56.5 ″
Apparent brightness 7.78 likes
Typing
Known exoplanets 1
B − V color index +0.67 
U − B color index +0.17 
Spectral class G5 V
Astrometry
Radial velocity (56.4 ± 0.2) km / s
parallax (30.89 ± 0.75)  mas
distance (105.6 ± 2.6)  ly
(32.37 ± 0.79)  pc  
Visual absolute brightness M vis +5.23 mag
Proper movement 
Rec. Share: (314.70 ± 0.63)  mas / a
Dec. portion: (150.27 ± 0.59)  mas / a
Physical Properties
Other names
and catalog entries
Cordoba Survey CD −27 ° 223
Henry Draper Catalog HD 4208 [1]
Hipparcos catalog HIP 3479 [2]
SAO catalog SAO 166526 [3]
Tycho catalog TYC 6423-1832-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
Other names FY 9024
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 4208 is a main sequence star of the spectral class G5 in the constellation Sculptor (sculptor), around which a planet was discovered in 2001 . As a yellow dwarf , the star, although a little smaller and cooler, is very similar to our sun . Even with good binoculars , the HD 4208, which has an apparent brightness of 7.8 mag, can be made out. With a semi-major axis of only 1.65  AU , the exoplanet named HD 4208 b orbits its star with an eccentricity of the orbit of 0.05 in a relatively close orbit.

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)