21444+3140 HJ 1686

 
 
21h 44m 26.73s +31° 39' 56.6" P.A. 229.00 sep 13.7 mag 10.63,11.10 Sp G5
 
 
Coord 2000 21444+3140 Discov num HJ 1686 Comp Coord arcsec 2000 21 44 26.73 +31 39 56.6
Date first 1828 Date last 2014 Obs 13
Pa first 226 Pa last 229.3 P.A. Now (θ) 229.3°
Sep first 7.0 Sep last 13.69 Sep. Now (ρ) 13.69"
Mag pri 10.63 Mag sec 11.10 delta mag (ΔM) 0.47 Spectral class G5 (yellow)
Pri motion ra -001 Sec motion ra -004
Pri motion dec +008 Sec motion dec +008
Notes
rPM=0.335
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2717-02000-1 Gaia DR2 1945995810042911232