18167-1649 TOB 278BC

 
 
18h 16m 41.66s -16 49' 00.7" P.A. 114 sep 17.2 mag 11.70,11.40
 
 
Coord 2000
18167-1649
Discov num
TOB 278
Comp
BC
Coord arcsec 2000
18 16 41.66 -16 49 00.7
Date first
1986
Date last
2017
Obs
6
Pa first
115
Pa last
114
P.A. Now (θ)
114°
Sep first
17.3
Sep last
17.2
Sep. Now (ρ)
17.2"
Mag pri
11.70
Mag sec
11.40
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-005
Sec motion ra
+005
Pri motion dec
-006
Sec motion dec
-006
Notes
rPM=1.28
This double is not physical.
 
 
18167-1649 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18167-1649 TOB 278 AB 1986 2017 5 109 25.6 9.40 11.70 2.30
Show 18167-1649 TOB 278 BC 1986 2017 6 114 17.2 11.70 11.40 0.30 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
114.3
Precise sep
17.208
Cdsa2 id
TOB 278 BC
Constellation
Sagittarius
Tycho2
6265-00071-1
HD
167608
Ra deg
18.27823888888889
De deg
-16.816861111111113
last precise pa
114.3
last precise sep
17.208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18167-1649 TOB 278 BC 1999 2 114 17.3 11.70 11.40 D 181641.66-164900.7
18167-1649 TOB 278 BC 2000 4 114 17.2 11.70 11.40 D 181641.66-164900.7
18167-1649 TOB 278 BC 2017 6 114 17.2 11.70 11.40 181641.66-164900.7

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