Xi Draconis

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Star
ξ Draconis
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Dragon
Right ascension 17 h 53 m 31.7 s
declination + 56 ° 52 ′ 22 ″
Apparent brightness 3.7 mag
Typing
B − V color index +1.18 
U − B color index +1.21 
R − I index +0.59 
Spectral class K2 III
Astrometry
Radial velocity (−26.2 ± 0.3) km / s
parallax (28.98 ± 0.12)  mas
distance (112.6 ± 0.5)  ly
(34.51 ± 0.14)  pc  
Proper movement 
Rec. Share: (+93.82 ± 0.14)  mas / a
Dec. portion: (+78.50 ± 0.12)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name ξ Draconis
Flamsteed name 32 Draconis
Bonn survey BD + 56 ° 2033
Bright Star Catalog HR 6688 [1]
Henry Draper Catalog HD 163588 [2]
Hipparcos catalog HIP 87585 [3]
SAO catalog SAO 30631 [4]
Tycho catalog TYC 3910-1710-1 [5]
Other names FK5  671 • 2MASS J17533173 + 5652216

ξ Draconis ( Xi Draconis , ξ Dra ) is a star of the spectral class K2 III about 110 light-years away with an apparent magnitude of 3.7 mag. ξ Draconis bears the historical proper name Grumium ("the pine ").

Individual evidence

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