21398+4211 TDT 3094

 
 
21h 39m 47.24s +42° 11' 16.3" P.A. 229.00 sep 2.9 mag 11.56,11.67
 
 
Coord 2000 21398+4211 Discov num TDT3094 Comp Coord arcsec 2000 21 39 47.24 +42 11 16.3
Date first 1991 Date last 2016 Obs 6
Pa first 227 Pa last 228.8 P.A. Now (θ) 228.8°
Sep first 2.9 Sep last 2.903 Sep. Now (ρ) 2.903"
Mag pri 11.56 Mag sec 11.67 delta mag (ΔM) 0.11 Spectral class
Pri motion ra +010 Sec motion ra -024
Pri motion dec +014 Sec motion dec +006
Notes
rPM=1.412
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3191-01597-1 Gaia DR2 1966820766439176320