19576+1524 A 1663 AB (HD 189041)

19h 57m 34.28s +15° 24' 21.5" P.A. 237.00 sep 1.3 mag 8.89,9.25 Sp F5

Coord 2000 19576+1524 Discov num A  1663 Comp AB Coord arcsec 2000 19 57 34.28 +15 24 21.5
Date first 1907 Date last 2016 Obs 36
Pa first 226 Pa last 237 P.A. Now (θ) 237°
Sep first 1.0 Sep last 1.27 Sep. Now (ρ) 1.27"
Mag pri 8.89 Mag sec 9.25 delta mag (ΔM) 0.36 Spectral class F5 (yellow-white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec +000 Sec motion dec +000
Notes




Nature of this double is uncertain.



19576+1524 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189041 105466 19 57 34 +15 24 22 A 1663 AB 2016 36 237 1.3 8.89 9.25 0.36 <===
Show 105466 19 57 34 +15 24 22 A 1663 AC 2015 5 105 54.1 8.89 12.00 3.11
Show 105466 19 57 34 +15 24 22 WAL 122 AB,D 2001 3 82 44.7 8.30 14.07 5.77


Quadruple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 189041 Constellation Aquila SAO 105466 Tycho2 1616-00478-1
Gaia DR2 1807618320334578304 HD 189041