20193+2047 TDT 2166 AB

 
 
20h 19m 19.26s +20 47' 10.4" P.A. 20.00 sep 2.5 mag 10.50,12.41
 
 
Coord 2000 20193+2047 Discov num TDT2166 Comp AB Coord arcsec 2000 20 19 19.26 +20 47 10.4
Date first 1991 Date last 1991 Obs 1
Pa first 20 Pa last 19.8 P.A. Now (θ) 19.8°
Sep first 2.5 Sep last 2.5 Sep. Now (ρ) 2.5"
Mag pri 10.50 Mag sec 12.41 delta mag (ΔM) 1.91 Spectral class
Pri motion ra +001 Sec motion ra +001
Pri motion dec -011 Sec motion dec -011
Notes W
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1643-01417-1