20217+4522 BRT 2261

 
 
20h 21m 38.66s +45 22' 39.3" P.A. 272.00 sep 4.5 mag 9.80,10.40
 
 
Coord 2000 20217+4522 Discov num BRT2261 Comp Coord arcsec 2000 20 21 38.66 +45 22 39.3
Date first 1892 Date last 2015 Obs 6
Pa first 287 Pa last 271.7 P.A. Now (θ) 271.7°
Sep first 4.0 Sep last 4.496 Sep. Now (ρ) 4.496"
Mag pri 9.80 Mag sec 10.40 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +014 Sec motion ra -018
Pri motion dec -002 Sec motion dec -009
Notes
rPM=1.628
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2081484470416895872