17578-3853 SIN 104AC

 
 
17h 57m 51.05s -38 52' 16.3" P.A. 240 sep 17.9 mag 9.91,12.30 Sp A0V
 
 
Coord 2000
17578-3853
Discov num
SIN 104
Comp
AC
Coord arcsec 2000
17 57 51.05 -38 52 16.3
Date first
1990
Date last
1999
Obs
3
Pa first
248
Pa last
240
P.A. Now (θ)
240°
Sep first
19.8
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
9.91
Mag sec
12.30
delta mag (ΔM)
2.39
Spectral class
A0V (white)
Pri motion ra
-003
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
-005
Notes
rPM=0.585
Nature of this double is uncertain.
 
 
17578-3853 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17578-3853 I 1012 AB 1910 1999 11 116 3.2 9.91 10.00 0.09
Show 17578-3853 SIN 104 AC 1990 1999 3 240 17.9 9.91 12.30 2.39 <===
Show 17578-3853 SIN 104 AD 1990 1999 3 301 33.8 9.91 13.50 3.59
Show 17578-3853 SIN 104 AE 1990 1999 3 76 37.5 9.91 13.20 3.29
Show 17578-3853 SIN 104 AF 1990 1999 3 73 47.4 9.91 13.00 3.09
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
240.4
Precise sep
17.85
Constellation
Scorpius
Tycho2
7886-01851-1
HD
163412
last precise pa
240.4
last precise sep
17.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17578-3853 SIN 104 AC 1999 2 248 19.8 9.91 12.40 A0V D 175751.05-385216.3

If you need more information about this double, apply for a data request form to the WDS.