17251+0348 BAL 2440 AB (HD 157759)

 
 
17h 25m 05.52s +03° 48' 11.7" P.A. 4.00 sep 8.0 mag 9.74,10.45 Sp K2
 
 
Coord 2000 17251+0348 Discov num BAL2440 Comp AB Coord arcsec 2000 17 25 05.52 +03 48 11.7
Date first 1910 Date last 2020 Obs 16
Pa first 11 Pa last 4 P.A. Now (θ)
Sep first 8.5 Sep last 8.046 Sep. Now (ρ) 8.046"
Mag pri 9.74 Mag sec 10.45 delta mag (ΔM) 0.71 Spectral class K2 (yellow-orange)
Pri motion ra +000 Sec motion ra -001
Pri motion dec -089 Sec motion dec -084
Notes T (Parallax indicates physical)
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
17251+0348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157759 17 25 06 +03 48 12 BAL 2440 AB 2020 16 4 8.0 9.74 10.45 0.71 <===
Show 17 25 06 +03 48 20 GKM 9375 Ba,Bb 2022 1 302 0.2 10.10 12.90 2.80
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157759 Constellation Ophiuchus Tycho2 0409-01456-1 HD 157759