21173+3457 TDT 2886

 
 
21h 17m 17.83s +34° 57' 04.3" P.A. 82.00 sep 0.5 mag 11.41,11.59
 
 
Coord 2000 21173+3457 Discov num TDT2886 Comp Coord arcsec 2000 21 17 17.83 +34 57 04.3
Date first 1991 Date last 1991 Obs 1
Pa first 82 Pa last 81.7 P.A. Now (θ) 81.7°
Sep first 0.5 Sep last 0.48 Sep. Now (ρ) 0.48"
Mag pri 11.41 Mag sec 11.59 delta mag (ΔM) 0.18 Spectral class
Pri motion ra -001 Sec motion ra -001
Pri motion dec -008 Sec motion dec -008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2710-00750-1 Gaia DR2 1867363067761296512