21455+3113 TDT 3141

 
 
21h 45m 29.28s +31° 12' 55.8" P.A. 358.00 sep 2.5 mag 12.13,12.41
 
 
Coord 2000 21455+3113 Discov num TDT3141 Comp Coord arcsec 2000 21 45 29.28 +31 12 55.8
Date first 1991 Date last 2016 Obs 4
Pa first 352 Pa last 357.8 P.A. Now (θ) 357.8°
Sep first 2.7 Sep last 2.516 Sep. Now (ρ) 2.516"
Mag pri 12.13 Mag sec 12.41 delta mag (ΔM) 0.28 Spectral class
Pri motion ra -005 Sec motion ra -005
Pri motion dec -025 Sec motion dec -025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2718-02082-1 Gaia DR2 1945690038436113536