17478-2211 B   358AB

 
 
17h 47m 49.84s -22 11' 10.6" P.A. 219 sep 24.8 mag 9.90,11.13 Sp B5
 
 
Coord 2000
17478-2211
Discov num
B   358
Comp
AB
Coord arcsec 2000
17 47 49.84 -22 11 10.6
Date first
1920
Date last
2000
Obs
8
Pa first
220
Pa last
219
P.A. Now (θ)
219°
Sep first
24.3
Sep last
24.8
Sep. Now (ρ)
24.8"
Mag pri
9.90
Mag sec
11.13
delta mag (ΔM)
1.23
Spectral class
B5 (blue-white)
Pri motion ra
+004
Sec motion ra
-009
Pri motion dec
-001
Sec motion dec
+001
Notes
N (See Notes)
rPM=1.452
This double is not physical.
 
 
17478-2211 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185767 17478-2211 B 358 AB 1920 2000 8 219 24.8 9.90 11.13 1.23 <===
Show 185767 17478-2211 B 358 BC 1923 2000 5 121 4.4 11.13 13.50 2.37
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.6
Precise sep
24.751
Constellation
Sagittarius
SAO
185767
Tycho2
6261-00893-1
last precise pa
218.6
last precise sep
24.751
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17478-2211 B 358 AB 1991 5 219 24.7 9.90 11.13 B5 N 174749.84-221110.6
17478-2211 B 358 AB 1998 6 219 24.8 9.90 11.13 B5 N 174749.84-221110.6
17478-2211 B 358 AB 2000 8 219 24.8 9.90 11.13 B5 N 174749.84-221110.6

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