18204-1630 TOB 287

 
 
18H 20M 27.48S -16 29' 41.6" P.A. 196 SEP 14.5 MAG 11.20,12.50 SP OB-:
 
 
Coord 2000
18204-1630
Discov num
TOB 287
Comp
Coord arcsec 2000
18 20 27.48 -16 29 41.6
Date first
1905
Date last
2000
Obs
6
Pa first
195
Pa last
196
P.A. Now (θ)
196°
Sep first
14.3
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
11.20
Mag sec
12.50
delta mag (ΔM)
1.3
Spectral class
OB-: (blue)
Pri motion ra
+003
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6265-02336-1
last precise pa
196.1
last precise sep
14.483