18137-1949 TOB 277

 
 
18H 13M 44.33S -19 49' 11.5" P.A. 130 SEP 23.5 MAG 9.90,11.40 SP B6IB
 
 
Coord 2000
18137-1949
Discov num
TOB 277
Comp
Coord arcsec 2000
18 13 44.33 -19 49 11.5
Date first
1917
Date last
2010
Obs
7
Pa first
130
Pa last
130
P.A. Now (θ)
130°
Sep first
23.3
Sep last
23.5
Sep. Now (ρ)
23.5"
Mag pri
9.90
Mag sec
11.40
delta mag (ΔM)
1.5
Spectral class
B6Ib (blue-white)
Pri motion ra
+002
Sec motion ra
+006
Pri motion dec
+000
Sec motion dec
-002
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6272-02209-1
HD
166936
last precise pa
130.2
last precise sep
23.53