17291+1727 DAL 14 AC

 
 
17h 29m 06.20s +17° 27' 18.3" P.A. 184.00 sep 18.2 mag 8.75,11.71 Sp A0
 
 
Coord 2000 17291+1727 Discov num DAL  14 Comp AC Coord arcsec 2000 17 29 06.20 +17 27 18.3
Date first 1899 Date last 2017 Obs 9
Pa first 185 Pa last 183.6 P.A. Now (θ) 183.6°
Sep first 14.8 Sep last 18.153 Sep. Now (ρ) 18.153"
Mag pri 8.75 Mag sec 11.71 delta mag (ΔM) 2.96 Spectral class A0 (white)
Pri motion ra -011 Sec motion ra -010
Pri motion dec +008 Sec motion dec -019
Notes U (Proper motion indicates non-physical)
rPM=1.258
This double is not physical.
 
 
17291+1727 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 158522 102851 17 29 06 +17 27 18 DAL 14 AB 1999 1 88 2.4 8.75 9.11 0.36
Show 102851 17 29 06 +17 27 18 DAL 14 AC 2017 9 184 18.2 8.75 11.71 2.96 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 102851 Tycho2 1542-02249-1 Gaia DR2 4550181644370581632
HD 158522