18174-1639 TOB 279

 
 
18h 17m 24.17s -16 38' 58.1" P.A. 197 sep 13.5 mag 11.68,12.91
 
 
Coord 2000
18174-1639
Discov num
TOB 279
Comp
Coord arcsec 2000
18 17 24.17 -16 38 58.1
Date first
1986
Date last
2010
Obs
6
Pa first
198
Pa last
197
P.A. Now (θ)
197°
Sep first
13.9
Sep last
13.5
Sep. Now (ρ)
13.5"
Mag pri
11.68
Mag sec
12.91
delta mag (ΔM)
1.23
Spectral class
Pri motion ra
-031
Sec motion ra
-070
Pri motion dec
-023
Sec motion dec
+036
Notes
rPM=0.898
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.3
Precise sep
13.5
Constellation
Sagittarius
Tycho2
6265-01531-1
last precise pa
197.3
last precise sep
13.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18174-1639 TOB 279 1999 2 196 13.6 11.40 12.40 D 181724.17-163858.1
18174-1639 TOB 279 2000 4 196 13.6 11.40 12.40 D 181724.17-163858.1
18174-1639 TOB 279 2010 6 197 13.4 11.68 12.91 181724.17-163858.1

If you need more information about this double, apply for a data request form to the WDS.