21194+5219 ES 98 AC

 
 
21h 19m 24.47s +52° 19' 27.8" P.A. 87.00 sep 29.8 mag 7.31,10.19 Sp B7V dist. 231.48 pc (755.09 l.y.)
 
 
Coord 2000 21194+5219 Discov num ES   98 Comp AC Coord arcsec 2000 21 19 24.47 +52 19 27.8
Date first 1897 Date last 2016 Obs 21
Pa first 88 Pa last 86.9 P.A. Now (θ) 86.9°
Sep first 30.2 Sep last 29.847 Sep. Now (ρ) 29.847"
Mag pri 7.31 Mag sec 10.19 delta mag (ΔM) 2.88 Spectral class B7V (blue-white)
Pri motion ra +004 Sec motion ra -001
Pri motion dec -004 Sec motion dec -004
Notes U (Proper motion indicates non-physical)
rPM=0.884
This double is not physical.
 
 
21194+5219 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 203283 33315 21 19 24 +52 19 28 ES 98 AB 2016 20 308 25.9 7.31 10.16 2.85
Show 33315 21 19 24 +52 19 28 ES 98 AC 2016 21 87 29.8 7.31 10.19 2.88 <===
Show 21 19 22 +52 19 44 ES 98 BC 2015 21 107 51.9 10.16 10.19 0.03
Show 21 19 28 +52 19 29 ES 98 CD 2015 9 259 7.6 10.19 14.70 4.51
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 33315 HIP 105273 Tycho2 3601-01552-1
Gaia DR2 2172387796831719552 HD 203283 BD BD+51 3042 Distance 231.48
Distance ly 755.09