17507-2917 B   359BD

 
 
17H 50M 39.86S -29 16' 00.0" P.A. 118 SEP 7.7 MAG 10.72,14.00
 
 
Coord 2000
17507-2917
Discov num
B   359
Comp
BD
Coord arcsec 2000
17 50 39.86 -29 16 00.0
Date first
1927
Date last
1999
Obs
3
Pa first
118
Pa last
118
P.A. Now (θ)
118°
Sep first
7.3
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
10.72
Mag sec
14.00
delta mag (ΔM)
3.28
Spectral class
Pri motion ra
-005
Sec motion ra
+143
Pri motion dec
+005
Sec motion dec
-054
Notes
Nature of this double is uncertain.
 
 
17507-2917 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185832 17507-2917 B 359 AB 1913 1999 9 340 47.0 8.36 10.72 2.36
Show 17507-2917 B 359 BC 1927 1998 2 222 4.1 10.72 14.70 3.98
Show 17507-2917 B 359 BD 1927 1999 3 118 7.7 10.72 14.00 3.28 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6840-01152-1
last precise pa
118.1
last precise sep
7.674