17086-2650 SEE 319 AB (HD 154781)

 
 
17h 08m 36.61s -26° 50' 12.3" P.A. 211.00 sep 7.6 mag 8.69,11.82 Sp B9IV dist. 288.18 pc (940.04 l.y.)
 
 
Coord 2000 17086-2650 Discov num SEE 319 Comp AB Coord arcsec 2000 17 08 36.61 -26 50 12.3
Date first 1897 Date last 2015 Obs 9
Pa first 208 Pa last 210.5 P.A. Now (θ) 210.5°
Sep first 7.4 Sep last 7.626 Sep. Now (ρ) 7.626"
Mag pri 8.69 Mag sec 11.82 delta mag (ΔM) 3.13 Spectral class B9IV (blue-white)
Pri motion ra -002 Sec motion ra -001
Pri motion dec -006 Sec motion dec -011
Notes
rPM=0.462
Nature of this double is uncertain.
 
 
17086-2650 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 185065 17 08 37 -26 50 12 SEE 319 Aa,Ab 2021 6 326 0.0 9.10 9.90 0.80
Show HD 154781 185065 17 08 37 -26 50 12 SEE 319 AB 2015 9 211 7.6 8.69 11.82 3.13 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154781 Constellation Ophiuchus SAO 185065 HIP 83878
Tycho2 6819-06951-1 Gaia DR2 4108856879785431168 HD 154781 CD CD-2611936
CP CP-26 5824 Distance 288.18 Distance ly 940.04