21031+3039 GRV 407

 
 
21h 03m 08.50s +30° 39' 18.4" P.A. 221.00 sep 59.2 mag 12.10,12.40
 
 
Coord 2000 21031+3039 Discov num GRV 407 Comp Coord arcsec 2000 21 03 08.50 +30 39 18.4
Date first 1998 Date last 2014 Obs 6
Pa first 221 Pa last 220.8 P.A. Now (θ) 220.8°
Sep first 59.1 Sep last 59.21 Sep. Now (ρ) 59.21"
Mag pri 12.10 Mag sec 12.40 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -007 Sec motion ra -013
Pri motion dec -012 Sec motion dec -009
Notes S (Parallax indidates non-physical)
rPM=0.424
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2701-01615-1 Gaia DR2 1852620334820880512