17530+1521 ZIE 11 AD

17h 52m 59.72s +15° 21' 03.0" P.A. 112.00 sep 28.8 mag 11.86,14.50

Coord 2000 17530+1521 Discov num ZIE  11 Comp AD Coord arcsec 2000 17 52 59.72 +15 21 03.0
Date first 2000 Date last 2015 Obs 4
Pa first 119 Pa last 112.3 P.A. Now (θ) 112.3°
Sep first 28.9 Sep last 28.797 Sep. Now (ρ) 28.797"
Mag pri 11.86 Mag sec 14.50 delta mag (ΔM) 2.64 Spectral class
Pri motion ra -093 Sec motion ra
Pri motion dec -225 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



17530+1521 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 52 60 +15 21 03 OSO 86 AB 1995 1 208 20.9 11.87 19.10 7.23
Show 17 52 60 +15 21 03 OSO 86 AC 1995 1 300 23.4 11.87 19.90 8.03
Show 17 52 60 +15 21 03 ZIE 11 AD 2015 4 112 28.8 11.86 14.50 2.64 <===


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Tycho2 1553-01250-1 Gaia DR2 4500186227885057024