20109+3047 HDS 2876 (HD 191855)

 
 
20h 10m 54.39s +30 47' 22.9" P.A. 67.00 sep 0.3 mag 6.99,10.03 Sp B9 dist. 606.06 pc (1976.97 l.y.)
 
 
Coord 2000 20109+3047 Discov num HDS2876 Comp Coord arcsec 2000 20 10 54.39 +30 47 22.9
Date first 1991 Date last 2010 Obs 3
Pa first 72 Pa last 66.9 P.A. Now (θ) 66.9°
Sep first 0.3 Sep last 0.287 Sep. Now (ρ) 0.287"
Mag pri 6.99 Mag sec 10.03 delta mag (ΔM) 3.04 Spectral class B9 (blue-white)
Pri motion ra +006 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191855 Constellation Cygnus SAO 69562 HIP 99431
Tycho2 2671-01740-1 Gaia DR2 2029919299226305792 HD 191855 GC 28014
BD BD+30 3929 Distance 606.06 Distance ly 1976.97