18147+5635 BU 1274 BD

 
 
18h 14m 31.41s +56° 34' 26.9" P.A. 5.00 sep 5.3 mag 9.80,10.40
 
 
Coord 2000 18147+5635 Discov num BU 1274 Comp BD Coord arcsec 2000 18 14 31.41 +56 34 26.9
Date first 1878 Date last 2018 Obs 18
Pa first 6 Pa last 5.1 P.A. Now (θ) 5.1°
Sep first 6.0 Sep last 5.291 Sep. Now (ρ) 5.291"
Mag pri 9.80 Mag sec 10.40 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -001 Sec motion ra +002
Pri motion dec +020 Sec motion dec +021
Notes N (See Notes)
rPM=0.15 (< 0.3, Physical double)
This double is physical.
 
 
18147+5635 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 168092 30836 18 14 41 +56 35 18 BU 1274 A,BC 2003 15 238 93.7 6.37 10.91 4.54
Show 18 14 31 +56 34 27 BU 1274 BC 2017 9 144 1.0 9.80 10.60 0.80
Show 18 14 31 +56 34 27 BU 1274 BD 2018 18 5 5.3 9.80 10.40 0.60 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 2151637572867354624