17507-2917 B   359BC

 
 
17h 50m 39.86s -29 16' 00.0" P.A. 222 sep 4.1 mag 10.72,14.70
 
 
Coord 2000
17507-2917
Discov num
B   359
Comp
BC
Coord arcsec 2000
17 50 39.86 -29 16 00.0
Date first
1927
Date last
1998
Obs
2
Pa first
225
Pa last
222
P.A. Now (θ)
222°
Sep first
4.2
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
10.72
Mag sec
14.70
delta mag (ΔM)
3.98
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
+004
Sec motion dec
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
221.6
last precise sep
4.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17507-2917 B 359 BC 1998 2 222 4.1 10.72 14.70 D 175039.86-291600.0

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