17304-4301 TDT 389Aa,Ab

 
 
17h 30m 25.38s -43 01' 26.0" P.A. 160 sep 1.6 mag 11.61,11.70
 
 
Coord 2000
17304-4301
Discov num
TDT 389
Comp
Aa,Ab
Coord arcsec 2000
17 30 25.38 -43 01 26.0
Date first
1991
Date last
1991
Obs
1
Pa first
160
Pa last
160
P.A. Now (θ)
160°
Sep first
1.6
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
11.61
Mag sec
11.70
delta mag (ΔM)
0.09
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
17304-4301 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17304-4301 TDT 389 Aa,Ab 1991 1991 1 160 1.6 11.61 11.70 0.09 <===
Show 17304-4301 CPO 76 AB 1901 1999 9 340 4.8 8.84 9.93 1.09
Show 17304-4301 DAM 25 AB,C 1901 2000 6 144 7.7 8.84 12.70 3.86
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
160.3
Precise sep
1.55
Constellation
Scorpius
Tycho2
7892-07523-1
last precise pa
160.3
last precise sep
1.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17304-4301 TDT 389 Aa,Ab 1991 1 160 1.6 11.61 11.70 173025.38-430126.0

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