17443-0632 GWP 2732 AD

 
 
17h 44m 16.45s -06° 31' 38.6" P.A. 24.00 sep 93.7 mag 8.30,12.70 Sp F8
 
 
Coord 2000 17443-0632 Discov num GWP2732 Comp AD Coord arcsec 2000 17 44 16.45 -06 31 38.6
Date first 1999 Date last 2015 Obs 4
Pa first 24 Pa last 24 P.A. Now (θ) 24°
Sep first 93.6 Sep last 93.667 Sep. Now (ρ) 93.667"
Mag pri 8.30 Mag sec 12.70 delta mag (ΔM) 4.4 Spectral class F8 (yellow-white)
Pri motion ra +040 Sec motion ra +034
Pri motion dec -093 Sec motion dec -076
Notes V W K (Proper motion indicates physical, , K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.178 (< 0.3, Physical double)
This double is physical.
 
 
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
 
 
Constellation Ophiuchus SAO 141840 Tycho2 5093-00245-1 Gaia DR2 4169123487217693952
HD 161166