20113+3550 BU 430 AC

 
 
20h 11m 19.16s +35 49' 49.0" P.A. 173.00 sep 7.2 mag 9.69,14.20 Sp B2III-IV
 
 
Coord 2000 20113+3550 Discov num BU  430 Comp AC Coord arcsec 2000 20 11 19.16 +35 49 49.0
Date first 1926 Date last 2015 Obs 5
Pa first 174 Pa last 173.3 P.A. Now (θ) 173.3°
Sep first 7.6 Sep last 7.151 Sep. Now (ρ) 7.151"
Mag pri 9.69 Mag sec 14.20 delta mag (ΔM) 4.51 Spectral class B2III-IV (blue-white)
Pri motion ra -005 Sec motion ra +018
Pri motion dec -008 Sec motion dec -007
Notes N (See Notes)
rPM=1.192
This double is not physical.
 
 
20113+3550 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 11 19 +35 49 49 BU 430 AB 2016 19 23 1.2 9.69 10.37 0.68
Show 20 11 19 +35 49 49 BU 430 AC 2015 5 173 7.2 9.69 14.20 4.51 <===
Show 20 11 19 +35 49 49 HJ 1489 AD 2018 21 51 17.1 9.69 9.88 0.19
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-03018-1 Gaia DR2 2058948227281717888