20338+4540 A 740

 
 
20h 33m 50.35s +45 39' 41.2" P.A. 313.00 sep 0.8 mag 9.64,9.95 Sp O5V
 
 
Coord 2000 20338+4540 Discov num A   740 Comp Coord arcsec 2000 20 33 50.35 +45 39 41.2
Date first 1904 Date last 2016 Obs 16
Pa first 314 Pa last 312.5 P.A. Now (θ) 312.5°
Sep first 0.8 Sep last 0.83 Sep. Now (ρ) 0.83"
Mag pri 9.64 Mag sec 9.95 delta mag (ΔM) 0.31 Spectral class O5V (blue)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3573-00385-1 Gaia DR2 2071169745679972096