18211+7244 BUP 182 BC

 
 
18h 21m 02.31s +72° 46' 54.2" P.A. 303.00 sep 9.1 mag 12.10,14.50
 
 
Coord 2000 18211+7244 Discov num BUP 182 Comp BC Coord arcsec 2000 18 21 02.31 +72 46 54.2
Date first 1908 Date last 2015 Obs 8
Pa first 302 Pa last 302.8 P.A. Now (θ) 302.8°
Sep first 10.2 Sep last 9.124 Sep. Now (ρ) 9.124"
Mag pri 12.10 Mag sec 14.50 delta mag (ΔM) 2.4 Spectral class
Pri motion ra +000 Sec motion ra +006
Pri motion dec +010 Sec motion dec +014
Notes N (See Notes)
rPM=0.473
Nature of this double is uncertain.
 
 
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
 
 
Constellation Draco Tycho2 4437-00465-1 Gaia DR2 2266698230601414784