17519+0724 SKF 1858 AB,C (HD 162670)

 
 
17h 51m 55.85s +07° 23' 47.5" P.A. 87.00 sep 45.4 mag 8.15,10.29 Sp B7IV+A2 dist. 1219.51 pc (3978.04 l.y.)
 
 
Coord 2000 17519+0724 Discov num SKF1858 Comp AB,C Coord arcsec 2000 17 51 55.85 +07 23 47.5
Date first 1911 Date last 2015 Obs 13
Pa first 87 Pa last 87 P.A. Now (θ) 87°
Sep first 45.5 Sep last 45.394 Sep. Now (ρ) 45.394"
Mag pri 8.15 Mag sec 10.29 delta mag (ΔM) 2.14 Spectral class B7IV+A2 (blue-white/white)
Pri motion ra -000 Sec motion ra -000
Pri motion dec -009 Sec motion dec -007
Notes
rPM=0.222 (< 0.3, Physical double)
This double is physical.
 
 
17519+0724 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 122845 17 51 56 +07 23 48 A 1164 AB 2016 41 42 0.4 8.48 9.51 1.03
Show HD 162670 122845 17 51 56 +07 23 48 SKF 1858 AB,C 2015 13 87 45.4 8.15 10.29 2.14 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 162670 Constellation Ophiuchus SAO 122845 HIP 87423
Tycho2 0428-00536-1 Gaia DR2 4475843525778524032 HD 162670 BD BD+07 3488
Distance 1219.51 Distance ly 3978.04