18211+7244 BUP 182 AB (Chi Dra)

 
 
18h 21m 02.38s +72° 43' 58.2" P.A. 357.00 sep 177.8 mag 3.57,12.10 Sp F7V dist. 8.06 pc (26.29 l.y.)
 
 
Coord 2000 18211+7244 Discov num BUP 182 Comp AB Coord arcsec 2000 18 21 02.38 +72 43 58.2
Date first 1879 Date last 2008 Obs 6
Pa first 27 Pa last 356.9 P.A. Now (θ) 356.9°
Sep first 144.6 Sep last 177.78 Sep. Now (ρ) 177.78"
Mag pri 3.57 Mag sec 12.10 delta mag (ΔM) 8.53 Spectral class F7V (yellow-white)
Pri motion ra +531 Sec motion ra -006
Pri motion dec -350 Sec motion dec +012
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.018
This double is not physical.
 
 
18211+7244 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 9087 18 21 02 +72 43 58 LAB 5 Aa,Ab 2010 62 220 0.1 3.57 5.70 2.13 Y
Show Chi Dra 9087 18 21 02 +72 43 58 BUP 182 AB 2008 6 357 177.8 3.57 12.10 8.53 <===
Show 18 21 02 +72 46 54 BUP 182 BC 2015 8 303 9.1 12.10 14.50 2.40
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Chi Dra Var name NSV10749 Dra Constellation Draco SAO 9087
HIP 89937 Tycho2 4437-01491-1 HD 170153 HR 6927
GC 25122 GL Gl 713A BD BD+72 839 Bayer Chi Draconis
Bayer name Chi Dra Flamsteed 44 Draconis Flamsteed name 44 Dra FK5 695
Distance 8.06 Distance ly 26.29 Bayer greek χ Dra