20513+1647 J 3115

 
 
20h 51m 14.39s +16° 46' 12.8" P.A. 321.00 sep 7.1 mag 11.70,13.70
 
 
Coord 2000 20513+1647 Discov num J  3115 Comp Coord arcsec 2000 20 51 14.39 +16 46 12.8
Date first 1944 Date last 2015 Obs 7
Pa first 305 Pa last 321.3 P.A. Now (θ) 321.3°
Sep first 4.0 Sep last 7.089 Sep. Now (ρ) 7.089"
Mag pri 11.70 Mag sec 13.70 delta mag (ΔM) 2 Spectral class
Pri motion ra -015 Sec motion ra -013
Pri motion dec -020 Sec motion dec +012
Notes
rPM=1.282
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1647-02389-1 Gaia DR2 1764597827641677568