18195-1647 TOB 284AB

 
 
18h 19m 32.24s -16 46' 23.4" P.A. 179 sep 13.4 mag 10.81,12.80
 
 
Coord 2000
18195-1647
Discov num
TOB 284
Comp
AB
Coord arcsec 2000
18 19 32.24 -16 46 23.4
Date first
1986
Date last
2017
Obs
5
Pa first
179
Pa last
179
P.A. Now (θ)
179°
Sep first
13.4
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
10.81
Mag sec
12.80
delta mag (ΔM)
1.99
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18195-1647 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18195-1647 TOB 284 AB 1986 2017 5 179 13.4 10.81 12.80 1.99 <===
Show 18195-1647 TOB 284 AC 1905 2017 6 64 20.0 10.81 11.30 0.49
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.7
Precise sep
13.363
Constellation
Sagittarius
Tycho2
6265-02109-1
HD
168246
last precise pa
178.7
last precise sep
13.363
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18195-1647 TOB 284 AB 1999 2 178 13.2 10.90 12.40 D 181932.24-164623.4
18195-1647 TOB 284 AB 2017 5 179 13.4 10.81 12.80 181932.24-164623.4

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