21161+4101 COU 2229

 
 
21h 16m 08.12s +41° 01' 09.3" P.A. 278.00 sep 0.8 mag 10.12,10.38 Sp B5 dist. 8333.33 pc (27183.32 l.y.)
 
 
Coord 2000 21161+4101 Discov num COU2229 Comp Coord arcsec 2000 21 16 08.12 +41 01 09.3
Date first 1984 Date last 2016 Obs 7
Pa first 273 Pa last 277.8 P.A. Now (θ) 277.8°
Sep first 0.5 Sep last 0.77 Sep. Now (ρ) 0.77"
Mag pri 10.12 Mag sec 10.38 delta mag (ΔM) 0.26 Spectral class B5 (blue-white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 105009 Tycho2 3173-00904-1 Gaia DR2 1968720271552568448
BD BD+40 4463 Distance 8333.33 Distance ly 27183.32