17094-3141 DAW 215 AC

 
 
17h 09m 23.97s -31° 40' 47.1" P.A. 90.00 sep 20.5 mag 8.89,13.20 Sp A0/1V
 
 
Coord 2000 17094-3141 Discov num DAW 215 Comp AC Coord arcsec 2000 17 09 23.97 -31 40 47.1
Date first 1919 Date last 2015 Obs 4
Pa first 95 Pa last 89.8 P.A. Now (θ) 89.8°
Sep first 20.6 Sep last 20.495 Sep. Now (ρ) 20.495"
Mag pri 8.89 Mag sec 13.20 delta mag (ΔM) 4.31 Spectral class A0/1V (white)
Pri motion ra +000 Sec motion ra +002
Pri motion dec -008 Sec motion dec -007
Notes
rPM=0.28 (< 0.3, Physical double)
This double is physical.
 
 
17094-3141 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 09 24 -31 40 47 VOU 37 Aa,Ab 1960 3 40 0.2 9.60 9.80 0.20
Show HD 154871 17 09 24 -31 40 47 HJ 4921 AB 2015 17 146 8.7 8.89 9.51 0.62
Show 17 09 24 -31 40 47 DAW 215 AC 2015 4 90 20.5 8.89 13.20 4.31 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius Tycho2 7361-00371-1 Gaia DR2 5980208971424555008 HD 154871