20112+5422 STI 2509

 
 
20h 11m 10.33s +54 22' 15.6" P.A. 257.00 sep 7.8 mag 12.00,12.80
 
 
Coord 2000 20112+5422 Discov num STI2509 Comp Coord arcsec 2000 20 11 10.33 +54 22 15.6
Date first 1917 Date last 2015 Obs 8
Pa first 256 Pa last 257.1 P.A. Now (θ) 257.1°
Sep first 7.3 Sep last 7.838 Sep. Now (ρ) 7.838"
Mag pri 12.00 Mag sec 12.80 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -005 Sec motion ra -016
Pri motion dec -010 Sec motion dec -008
Notes R (Red magnitudes)
rPM=0.625
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3936-00352-1 Gaia DR2 2185618078505632000