20216+3725 SEI 1100 AB

 
 
20h 21m 38.68s +37 25' 15.1" P.A. 286.00 sep 7.2 mag 10.66,11.50 Sp O8V
 
 
Coord 2000 20216+3725 Discov num SEI1100 Comp AB Coord arcsec 2000 20 21 38.68 +37 25 15.1
Date first 1895 Date last 2015 Obs 12
Pa first 290 Pa last 286.3 P.A. Now (θ) 286.3°
Sep first 6.6 Sep last 7.224 Sep. Now (ρ) 7.224"
Mag pri 10.66 Mag sec 11.50 delta mag (ΔM) 0.84 Spectral class O8V (blue)
Pri motion ra -005 Sec motion ra -024
Pri motion dec -004 Sec motion dec -011
Notes
rPM=0.767
Nature of this double is uncertain.
 
 
20216+3725 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 21 39 +37 25 15 SEI 1100 AB 2015 12 286 7.2 10.66 11.50 0.84 <===
Show 20 21 39 +37 25 15 SEI 1100 AC 2015 10 129 15.4 10.66 11.80 1.14
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2684-00142-1 Gaia DR2 2057966844407221120 ADS 13757