21450+3942 GRV 499

 
 
21h 45m 01.82s +39° 42' 43.4" P.A. 170.00 sep 67.4 mag 10.32,13.84
 
 
Coord 2000 21450+3942 Discov num GRV 499 Comp Coord arcsec 2000 21 45 01.82 +39 42 43.4
Date first 2000 Date last 2015 Obs 7
Pa first 170 Pa last 170.2 P.A. Now (θ) 170.2°
Sep first 67.5 Sep last 67.389 Sep. Now (ρ) 67.389"
Mag pri 10.32 Mag sec 13.84 delta mag (ΔM) 3.52 Spectral class
Pri motion ra -010 Sec motion ra -014
Pri motion dec -013 Sec motion dec -012
Notes
rPM=0.224 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3188-01727-1 Gaia DR2 1954111889484994688