21413+5227 IPH 30

 
 
21h 41m 17.04s +52° 26' 46.2" P.A. 294.00 sep 23.0 mag 16.50,17.00
 
 
Coord 2000 21413+5227 Discov num IPH  30 Comp Coord arcsec 2000 21 41 17.04 +52 26 46.2
Date first 1955 Date last 2016 Obs 10
Pa first 294 Pa last 294 P.A. Now (θ) 294°
Sep first 23.3 Sep last 22.988 Sep. Now (ρ) 22.988"
Mag pri 16.50 Mag sec 17.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +043 Sec motion ra +044
Pri motion dec +031 Sec motion dec +036
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.09 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2173115914058212864