HD 154345

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Stern
HD 154345
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Hercules
Right ascension 17 h 02 m 36.4 s
declination + 47 ° 04 ′ 54.8 ″
Apparent brightness 6.76 likes
Typing
Known exoplanets 1
B − V color index +0.73 
U − B color index +0.27 
Spectral class G8 V
Astrometry
Radial velocity (−47.0 ± 0.1) km / s
parallax (53.80 ± 0.32)  mas
distance (60.6 ± 0.4)  ly
(18.59 ± 0.11)  pc  
Visual absolute brightness M vis +5.41 mag
Proper movement 
Rec. Share: (123.27 ± 0.35)  mas / a
Dec. portion: (853.63 ± 0.36)  mas / a
Physical Properties
Dimensions 0.88  M
Luminosity

0.568  L

Effective temperature 5468  K
Metallicity [Fe / H] −0.105
Age 4.92 x 10 9  a
Other names
and catalog entries
Henry Draper Catalog HD 154345 [1]
Hipparcos catalog HIP 83389 [2]
SAO catalog SAO 46452 [3]
Tycho catalog TYC 3501-1373-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 154345 is a yellow dwarf 58.9 light years from Earth with a right ascension of 17h 02m 36s and a declination of + 47 ° 04 '55 ". It has an apparent magnitude of 6.74 mag. In 2006, JT discovered Wright an extrasolar planet orbiting this star, named HD 154345 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)