21020+3745 COU 2223

 
 
21h 02m 03.41s +37° 44' 04.2" P.A. 180.00 sep 1.9 mag 9.84,10.80
 
 
Coord 2000 21020+3745 Discov num COU2223 Comp Coord arcsec 2000 21 02 03.41 +37 44 04.2
Date first 1984 Date last 2017 Obs 7
Pa first 181 Pa last 180.3 P.A. Now (θ) 180.3°
Sep first 1.4 Sep last 1.893 Sep. Now (ρ) 1.893"
Mag pri 9.84 Mag sec 10.80 delta mag (ΔM) 0.96 Spectral class
Pri motion ra -009 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3168-02059-1 Gaia DR2 1871705966897031808