21187+3348 HU 770

 
 
21h 18m 42.87s +33° 47' 44.6" P.A. 314.00 sep 0.9 mag 10.26,10.71 Sp F5
 
 
Coord 2000 21187+3348 Discov num HU  770 Comp Coord arcsec 2000 21 18 42.87 +33 47 44.6
Date first 1904 Date last 2016 Obs 14
Pa first 307 Pa last 313.5 P.A. Now (θ) 313.5°
Sep first 1.0 Sep last 0.924 Sep. Now (ρ) 0.924"
Mag pri 10.26 Mag sec 10.71 delta mag (ΔM) 0.45 Spectral class F5 (yellow-white)
Pri motion ra +016 Sec motion ra +016
Pri motion dec +004 Sec motion dec +004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2711-00004-1 Gaia DR2 1855220641154814464