17555+4108 COU 1601 Aa,Ab

 
 
17h 55m 31.53s +41° 07' 48.5" P.A. 63.00 sep 0.5 mag 9.69,9.91 Sp F3V
 
 
Coord 2000 17555+4108 Discov num COU1601 Comp Aa,Ab Coord arcsec 2000 17 55 31.53 +41 07 48.5
Date first 1977 Date last 2016 Obs 17
Pa first 69 Pa last 62.9 P.A. Now (θ) 62.9°
Sep first 0.5 Sep last 0.533 Sep. Now (ρ) 0.533"
Mag pri 9.69 Mag sec 9.91 delta mag (ΔM) 0.22 Spectral class F3V (yellow-white)
Pri motion ra -016 Sec motion ra -016
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
17555+4108 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 55 32 +41 07 48 COU 1601 Aa,Ab 2016 17 63 0.5 9.69 9.91 0.22 <===
Show 17 55 32 +41 07 48 ES 1557 AB 2015 20 11 11.5 9.08 12.40 3.32
Show 17 55 32 +41 07 48 ES 1557 AC 2015 10 216 27.0 9.08 12.29 3.21
Show 17 55 32 +41 07 48 ES 1557 AD 2015 8 312 40.1 9.08 13.35 4.27
Show 17 55 32 +41 07 48 ABH 92 AE 2015 7 324 71.1 9.08 14.83 5.75
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 3093-00705-1 Gaia DR2 1344950488843424384