20010+3742 WAL 125 AB,E

 
 
20h 00m 59.61s +37 41' 56.1" P.A. 10.00 sep 46.5 mag 8.15,13.52 Sp B5 dist. 469.48 pc (1531.44 l.y.)
 
 
Coord 2000 20010+3742 Discov num WAL 125 Comp AB,E Coord arcsec 2000 20 00 59.61 +37 41 56.1
Date first 1944 Date last 2015 Obs 7
Pa first 30 Pa last 9.8 P.A. Now (θ) 9.8°
Sep first 40.0 Sep last 46.464 Sep. Now (ρ) 46.464"
Mag pri 8.15 Mag sec 13.52 delta mag (ΔM) 5.37 Spectral class B5 (blue-white)
Pri motion ra -007 Sec motion ra +000
Pri motion dec -009 Sec motion dec -006
Notes N (See Notes)
rPM=0.668
Nature of this double is uncertain.
 
 
20010+3742 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189901 69258 20 00 60 +37 41 56 BU 1289 AB 2016 23 55 0.7 8.15 9.20 1.05
Show 69258 20 00 60 +37 41 56 BU 1289 AC 2018 31 89 21.5 8.15 9.70 1.55
Show 69258 20 00 60 +37 41 56 FOX 246 AB,D 2015 12 170 104.2 8.15 11.17 3.02
Show 69258 20 00 60 +37 41 56 WAL 125 AB,E 2015 7 10 46.5 8.15 13.52 5.37 <===
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69258 HIP 98528 Tycho2 3150-02606-1
Gaia DR2 2060249185726240640 HD 189901 BD BD+37 3723 Distance 469.48
Distance ly 1531.44