20106+3338 S 738 AB (HD 191812)

 
 
20h 10m 35.13s +33° 38' 02.7" P.A. 106.00 sep 42.4 mag 7.76,8.43 Sp B9V dist. 301.2 pc (982.51 l.y.)
 
 
Coord 2000 20106+3338 Discov num S   738 Comp AB Coord arcsec 2000 20 10 35.13 +33 38 02.7
Date first 1797 Date last 2021 Obs 44
Pa first 109 Pa last 106.2 P.A. Now (θ) 106.2°
Sep first 35.6 Sep last 42.37 Sep. Now (ρ) 42.37"
Mag pri 7.76 Mag sec 8.43 delta mag (ΔM) 0.67 Spectral class B9V (blue-white)
Pri motion ra -011 Sec motion ra +001
Pri motion dec -017 Sec motion dec +001
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=1.068
This double is physical.
 
 
20106+3338 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191812 69553 20 10 35 +33 38 03 S 738 AB 2021 44 106 42.4 7.76 8.43 0.67 <===
Show 69554 20 10 38 +33 37 51 STT 541 BC 2021 26 184 1.8 8.43 9.73 1.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191812 Constellation Cygnus SAO 69553 HIP 99409
Tycho2 2675-03113-1 Gaia DR2 2055252734321284736 HD 191812 GC 28006
BD BD+33 3778 Distance 301.2 Distance ly 982.51