21493+3816 A 1448

 
 
21h 49m 18.52s +38° 16' 21.2" P.A. 331.00 sep 4.7 mag 9.10,13.80 Sp G5
 
 
Coord 2000 21493+3816 Discov num A  1448 Comp Coord arcsec 2000 21 49 18.52 +38 16 21.2
Date first 1906 Date last 2016 Obs 6
Pa first 333 Pa last 331.1 P.A. Now (θ) 331.1°
Sep first 4.6 Sep last 4.703 Sep. Now (ρ) 4.703"
Mag pri 9.10 Mag sec 13.80 delta mag (ΔM) 4.7 Spectral class G5 (yellow)
Pri motion ra -006 Sec motion ra
Pri motion dec +022 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3184-02601-1 Gaia DR2 1952978636598680192