20003+1757 HU 352 AB

 
 
20h 00m 21.02s +17 56' 34.3" P.A. 198.00 sep 0.2 mag 9.00,9.50 Sp A0
 
 
Coord 2000 20003+1757 Discov num HU  352 Comp AB Coord arcsec 2000 20 00 21.02 +17 56 34.3
Date first 1901 Date last 2011 Obs 18
Pa first 262 Pa last 197.8 P.A. Now (θ) 197.8°
Sep first 0.2 Sep last 0.18 Sep. Now (ρ) 0.18"
Mag pri 9.00 Mag sec 9.50 delta mag (ΔM) 0.5 Spectral class A0 (white)
Pri motion ra -001 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20003+1757 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105531 20 00 21 +17 56 34 HU 352 AB 2011 18 198 0.2 9.00 9.50 0.50 <===
Show HD 189615 105531 20 00 21 +17 56 34 LBU 8 AB,C 2019 12 27 63.8 8.76 11.38 2.62
Show 105531 20 00 21 +17 56 34 LBU 8 AB,D 2019 8 352 65.3 8.76 11.30 2.54
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta SAO 105531 Tycho2 1621-01665-1 Gaia DR2 1822011958340021504
HD 189615