20151+4118 A 387 AC

 
 
20h 15m 08.10s +41 17' 55.4" P.A. 222.00 sep 21.6 mag 7.90,10.75 Sp B9II-III dist. 1219.51 pc (3978.04 l.y.)
 
 
Coord 2000 20151+4118 Discov num A   387 Comp AC Coord arcsec 2000 20 15 08.10 +41 17 55.4
Date first 1892 Date last 2016 Obs 12
Pa first 221 Pa last 222.2 P.A. Now (θ) 222.2°
Sep first 23.4 Sep last 21.62 Sep. Now (ρ) 21.62"
Mag pri 7.90 Mag sec 10.75 delta mag (ΔM) 2.85 Spectral class B9II-III (blue-white)
Pri motion ra -001 Sec motion ra +007
Pri motion dec -001 Sec motion dec +005
Notes N (See Notes)
rPM=1.162
This double is not physical.
 
 
20151+4118 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192803 49365 20 15 08 +41 17 55 A 387 AB 2016 12 151 5.1 7.90 11.48 3.58
Show 49365 20 15 08 +41 17 55 A 387 AC 2016 12 222 21.6 7.90 10.75 2.85 <===
Show 20 15 07 +41 17 39 A 387 CD 2016 8 19 9.0 10.75 13.00 2.25
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49365 HIP 99813 Tycho2 3159-00995-1
Gaia DR2 2062620699174311296 HD 192803 BD BD+40 4077 Distance 1219.51
Distance ly 3978.04