17317-4102 ARY 114 AC

 
 
17h 31m 42.63s -41° 02' 22.6" P.A. 251.00 sep 64.9 mag 7.81,8.50 Sp B7/8IV:
 
 
Coord 2000 17317-4102 Discov num ARY 114 Comp AC Coord arcsec 2000 17 31 42.63 -41 02 22.6
Date first 1904 Date last 2018 Obs 13
Pa first 251 Pa last 250.5 P.A. Now (θ) 250.5°
Sep first 64.6 Sep last 64.868 Sep. Now (ρ) 64.868"
Mag pri 7.81 Mag sec 8.50 delta mag (ΔM) 0.69 Spectral class B7/8IV: (blue-white)
Pri motion ra -003 Sec motion ra +003
Pri motion dec -016 Sec motion dec -012
Notes
rPM=0.443
Nature of this double is uncertain.
 
 
17317-4102 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 158531 228078 17 31 43 -41 02 23 HLD 136 AB 2016 17 106 1.1 7.81 8.06 0.25
Show 228078 17 31 43 -41 02 23 ARY 114 AC 2018 13 251 64.9 7.81 8.50 0.69 <===
Show 17 31 52 -41 04 17 ARY 114 DE 2015 4 26 3.9 12.50 12.50 0.00
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 228078 Tycho2 7888-01275-1 Gaia DR2 5959329417414675712
HD 158515 DM CP-40 7884