20108+3713 TOB 174 AB

 
 
20h 10m 52.52s +37 12' 28.1" P.A. 263.00 sep 25.1 mag 11.07,12.59 Sp B5:
 
 
Coord 2000 20108+3713 Discov num TOB 174 Comp AB Coord arcsec 2000 20 10 52.52 +37 12 28.1
Date first 1983 Date last 2015 Obs 8
Pa first 261 Pa last 262.5 P.A. Now (θ) 262.5°
Sep first 24.4 Sep last 25.096 Sep. Now (ρ) 25.096"
Mag pri 11.07 Mag sec 12.59 delta mag (ΔM) 1.52 Spectral class B5: (blue-white)
Pri motion ra -002 Sec motion ra +002
Pri motion dec -007 Sec motion dec +005
Notes
rPM=1.737
This double is not physical.
 
 
20108+3713 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 10 53 +37 12 28 TOB 174 AB 2015 8 263 25.1 11.07 12.59 1.52 <===
Show 20 10 50 +37 12 25 SLE 952 BC 2015 8 91 6.8 12.59 12.83 0.24
Show 20 10 50 +37 12 25 SLE 952 BD 2015 8 353 12.2 12.59 13.58 0.99
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-01307-1 Gaia DR2 2060775198963848576