20007+3635 WEB 9 AC

 
 
20h 00m 44.81s +36 35' 23.0" P.A. 220.00 sep 82.1 mag 6.69,9.84 Sp B6IV dist. 254.45 pc (830.02 l.y.)
 
 
Coord 2000 20007+3635 Discov num WEB   9 Comp AC Coord arcsec 2000 20 00 44.81 +36 35 23.0
Date first 1896 Date last 2004 Obs 12
Pa first 221 Pa last 220.1 P.A. Now (θ) 220.1°
Sep first 81.2 Sep last 82.08 Sep. Now (ρ) 82.08"
Mag pri 6.69 Mag sec 9.84 delta mag (ΔM) 3.15 Spectral class B6IV (blue-white)
Pri motion ra +004 Sec motion ra +002
Pri motion dec -001 Sec motion dec -001
Notes N (See Notes)
rPM=0.485
Nature of this double is uncertain.
 
 
20007+3635 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69252 20 00 45 +36 35 23 HDS 2851 Aa,Ab 2011 2 171 0.4 6.76 9.75 2.99
Show HD 189864 69252 20 00 45 +36 35 23 WEB 9 AB 2016 22 202 71.6 6.69 8.97 2.28
Show 69252 20 00 45 +36 35 23 WEB 9 AC 2004 12 220 82.1 6.69 9.84 3.15 <===
Show 69251 20 00 43 +36 34 17 WEB 9 BC 2018 21 278 26.3 8.97 9.84 0.87
Show 20 00 40 +36 34 20 WEB 9 CD 2018 13 325 13.9 9.84 10.30 0.46
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69252 HIP 98510 Tycho2 2682-02072-1
Gaia DR2 2060120375407807744 HD 189864 DM BD+36 3814 BD BD+36 3816
Distance 254.45 Distance ly 830.02