21097+4230 GRV 428

 
 
21h 09m 46.64s +42° 30' 33.1" P.A. 142.00 sep 40.9 mag 12.86,12.95
 
 
Coord 2000 21097+4230 Discov num GRV 428 Comp Coord arcsec 2000 21 09 46.64 +42 30 33.1
Date first 1998 Date last 2015 Obs 7
Pa first 142 Pa last 141.6 P.A. Now (θ) 141.6°
Sep first 40.9 Sep last 40.877 Sep. Now (ρ) 40.877"
Mag pri 12.86 Mag sec 12.95 delta mag (ΔM) 0.09 Spectral class
Pri motion ra -006 Sec motion ra -003
Pri motion dec -011 Sec motion dec -014
Notes
rPM=0.296 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1969840265894507648