18098-2203 RST3158

 
 
18H 09M 48.61S -22 03' 22.5" P.A. 136 SEP 0.4 MAG 9.67,9.97 SP B3
 
 
Coord 2000
18098-2203
Discov num
RST3158
Comp
Coord arcsec 2000
18 09 48.61 -22 03 22.5
Date first
1930
Date last
1991
Obs
11
Pa first
138
Pa last
136
P.A. Now (θ)
136°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.67
Mag sec
9.97
delta mag (ΔM)
0.3
Spectral class
B3 (blue-white)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186384
Tycho2
6276-00188-1
HD
166054
last precise pa
135.8
last precise sep
0.36