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
rPM=1.042
This double is not physical.
 
 
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
 
 
Precise pa
118.1
Precise sep
7.674
Cdsa2 id
B 359 BD
Constellation
Sagittarius
Tycho2
6840-01152-1
Ra deg
17.844405555555554
De deg
-29.266666666666666
last precise pa
118.1
last precise sep
7.674
 
 
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 BD 1998 2 118 7.6 10.72 14.00 D 175039.86-291600.0
17507-2917 B 359 BD 1999 3 118 7.7 10.72 14.00 D 175039.86-291600.0

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