17189-2400 H 6 54 AC

 
 
17h 18m 55.50s -23° 59' 49.2" P.A. 142.00 sep 79.0 mag 9.73,9.74 Sp A2III/IV
 
 
Coord 2000 17189-2400 Discov num H 6  54 Comp AC Coord arcsec 2000 17 18 55.50 -23 59 49.2
Date first 1909 Date last 2019 Obs 12
Pa first 143 Pa last 141.5 P.A. Now (θ) 141.5°
Sep first 80.0 Sep last 79.01 Sep. Now (ρ) 79.01"
Mag pri 9.73 Mag sec 9.74 delta mag (ΔM) 0.01 Spectral class A2III/IV (white)
Pri motion ra -003 Sec motion ra -001
Pri motion dec -017 Sec motion dec -001
Notes N (See Notes)
rPM=0.934
This double is not physical.
 
 
17189-2400 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156504 17 18 56 -23 59 49 HLD 132 AB 2016 10 30 2.0 9.73 11.00 1.27
Show 185259 17 18 56 -23 59 49 H 6 54 AC 2019 12 142 79.0 9.73 9.74 0.01 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 185259 Tycho2 6825-00412-1 Gaia DR2 4111173177182929408
HD 156524