17443-0632 RST 4573 AB (HD 161166)

 
 
17h 44m 16.45s -06° 31' 38.6" P.A. 303.00 sep 1.8 mag 9.73,11.20 Sp F8
 
 
Coord 2000 17443-0632 Discov num RST4573 Comp AB Coord arcsec 2000 17 44 16.45 -06 31 38.6
Date first 1938 Date last 2016 Obs 5
Pa first 293 Pa last 303.2 P.A. Now (θ) 303.2°
Sep first 1.8 Sep last 1.777 Sep. Now (ρ) 1.777"
Mag pri 9.73 Mag sec 11.20 delta mag (ΔM) 1.47 Spectral class F8 (yellow-white)
Pri motion ra +034 Sec motion ra
Pri motion dec -096 Sec motion dec
Notes W
Nature of this double is uncertain.
 
 
17443-0632 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 161166 141840 17 44 16 -06 31 39 RST 4573 AB 2016 5 303 1.8 9.73 11.20 1.47 <===
Show 141840 17 44 16 -06 31 39 GWP 2731 AC 2015 3 242 8.5 8.30 10.70 2.40
Show 141840 17 44 16 -06 31 39 GWP 2732 AD 2015 4 24 93.7 8.30 12.70 4.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161166 Constellation Ophiuchus SAO 141840 Tycho2 5093-00245-1
Gaia DR2 4169123487217693952 HD 161166