21086+3942 ALI 1154

 
 
21h 08m 31.92s +39° 42' 18.8" P.A. 251.00 sep 12.5 mag 11.56,11.89
 
 
Coord 2000 21086+3942 Discov num ALI1154 Comp Coord arcsec 2000 21 08 31.92 +39 42 18.8
Date first 1892 Date last 2016 Obs 11
Pa first 252 Pa last 251 P.A. Now (θ) 251°
Sep first 13.3 Sep last 12.53 Sep. Now (ρ) 12.53"
Mag pri 11.56 Mag sec 11.89 delta mag (ΔM) 0.33 Spectral class
Pri motion ra +000 Sec motion ra +008
Pri motion dec +000 Sec motion dec +002
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00648-1 Gaia DR2 1968361354033054592