17094-3141 DAW 215AC

 
 
17H 09M 23.97S -31 40' 47.1" P.A. 90 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
1999
Obs
3
Pa first
95
Pa last
90
P.A. Now (θ)
90°
Sep first
20.6
Sep last
20.5
Sep. Now (ρ)
20.5"
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
Nature of this double is uncertain.
 
 
17094-3141 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17094-3141 VOU 37 Aa,Ab 1937 1960 3 40 0.2 9.60 9.80 0.20
Show 17094-3141 HJ 4921 AB 1834 1999 16 146 8.7 8.89 9.51 0.62
Show 17094-3141 DAW 215 AC 1919 1999 3 90 20.5 8.89 13.20 4.31 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
Tycho2
7361-00371-1
HD
154871
last precise pa
90.4
last precise sep
20.485