20010+3742 BU 1289 AB (HD 189901)

 
 
20h 00m 59.61s +37 41' 56.1" P.A. 55.00 sep 0.7 mag 8.15,9.20 Sp B5 dist. 469.48 pc (1531.44 l.y.)
 
 
Coord 2000 20010+3742 Discov num BU 1289 Comp AB Coord arcsec 2000 20 00 59.61 +37 41 56.1
Date first 1899 Date last 2016 Obs 23
Pa first 58 Pa last 55.3 P.A. Now (θ) 55.3°
Sep first 0.8 Sep last 0.71 Sep. Now (ρ) 0.71"
Mag pri 8.15 Mag sec 9.20 delta mag (ΔM) 1.05 Spectral class B5 (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N (See Notes)
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
 
 
Name HD 189901 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