20180+3311 BAR 11 AB

 
 
20h 17m 59.91s +33 11' 29.1" P.A. 199.00 sep 0.5 mag 7.91,9.09 Sp B9 dist. 1351.35 pc (4408.1 l.y.)
 
 
Coord 2000 20180+3311 Discov num BAR  11 Comp AB Coord arcsec 2000 20 17 59.91 +33 11 29.1
Date first 1898 Date last 2018 Obs 23
Pa first 200 Pa last 198.6 P.A. Now (θ) 198.6°
Sep first 0.3 Sep last 0.47 Sep. Now (ρ) 0.47"
Mag pri 7.91 Mag sec 9.09 delta mag (ΔM) 1.18 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20180+3311 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69778 20 17 60 +33 11 29 BAR 11 AB 2018 23 199 0.5 7.91 9.09 1.18 <===
Show HD 193238 69778 20 17 60 +33 11 29 HO 592 AB,C 2018 14 255 3.1 7.60 11.96 4.36
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69778 HIP 100058 Tycho2 2676-00678-1
Gaia DR2 2054606221483136640 HD 193238 ADS 13660 BD BD+32 3773
Distance 1351.35 Distance ly 4408.1