20417+1716 BPM 2230

 
 
20h 41m 44.49s +17° 16' 23.5" P.A. 15.00 sep 58.6 mag 13.30,15.68
 
 
Coord 2000 20417+1716 Discov num BPM2230 Comp Coord arcsec 2000 20 41 44.49 +17 16 23.5
Date first 1992 Date last 2015 Obs 8
Pa first 15 Pa last 14.9 P.A. Now (θ) 14.9°
Sep first 58.2 Sep last 58.578 Sep. Now (ρ) 58.578"
Mag pri 13.30 Mag sec 15.68 delta mag (ΔM) 2.38 Spectral class
Pri motion ra -006 Sec motion ra -021
Pri motion dec -017 Sec motion dec +005
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.233
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811455650262033536