20143+4115 COU 2639 (HD 228496)

 
 
20h 14m 19.75s +41 15' 27.6" P.A. 244.00 sep 0.4 mag 10.91,10.98 Sp B2
 
 
Coord 2000 20143+4115 Discov num COU2639 Comp Coord arcsec 2000 20 14 19.75 +41 15 27.6
Date first 1990 Date last 2008 Obs 4
Pa first 262 Pa last 244 P.A. Now (θ) 244°
Sep first 0.4 Sep last 0.445 Sep. Now (ρ) 0.445"
Mag pri 10.91 Mag sec 10.98 delta mag (ΔM) 0.07 Spectral class B2 (blue-white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228496 Constellation Cygnus SAO 49344 Tycho2 3159-00733-1
Gaia DR2 2062631243311772800 HD 228496