20307+1718 BPM 2178

 
 
20h 30m 43.56s +17° 18' 29.8" P.A. 217.00 sep 110.0 mag 13.20,14.68
 
 
Coord 2000 20307+1718 Discov num BPM2178 Comp Coord arcsec 2000 20 30 43.56 +17 18 29.8
Date first 1995 Date last 2015 Obs 8
Pa first 217 Pa last 217.4 P.A. Now (θ) 217.4°
Sep first 110.0 Sep last 109.951 Sep. Now (ρ) 109.951"
Mag pri 13.20 Mag sec 14.68 delta mag (ΔM) 1.48 Spectral class
Pri motion ra -011 Sec motion ra -008
Pri motion dec -014 Sec motion dec +001
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.859
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1812019145672844288