20231+4037 TDT 2228 (HD 229177)

 
 
20h 23m 04.98s +40 36' 36.0" P.A. 242.00 sep 0.4 mag 9.41,10.39 Sp B9
 
 
Coord 2000 20231+4037 Discov num TDT2228 Comp Coord arcsec 2000 20 23 04.98 +40 36 36.0
Date first 1991 Date last 2011 Obs 2
Pa first 251 Pa last 241.7 P.A. Now (θ) 241.7°
Sep first 0.4 Sep last 0.38 Sep. Now (ρ) 0.38"
Mag pri 9.41 Mag sec 10.39 delta mag (ΔM) 0.98 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 229177 Constellation Cygnus SAO 49554 Tycho2 3156-00936-1
Gaia DR2 2067559567962683648 HD 229177 DM BD+40 4143