20177+3921 SEI 1070 (HD 228789)

 
 
20h 17m 42.20s +39° 20' 58.4" P.A. 143.00 sep 27.9 mag 10.27,11.06 Sp B
 
 
Coord 2000 20177+3921 Discov num SEI1070 Comp Coord arcsec 2000 20 17 42.20 +39 20 58.4
Date first 1892 Date last 2015 Obs 15
Pa first 144 Pa last 142.5 P.A. Now (θ) 142.5°
Sep first 28.4 Sep last 27.885 Sep. Now (ρ) 27.885"
Mag pri 10.27 Mag sec 11.06 delta mag (ΔM) 0.79 Spectral class B (blue-white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228789 Constellation Cygnus Tycho2 3151-00165-1 Gaia DR2 2061381102909847296
HD 228789