18157-1950 B  1884

 
 
18H 15M 43.69S -19 50' 19.0" P.A. 85 SEP 0.2 MAG 9.90,10.10 SP A3III/IV
 
 
Coord 2000
18157-1950
Discov num
B  1884
Comp
Coord arcsec 2000
18 15 43.69 -19 50 19.0
Date first
1932
Date last
1939
Obs
4
Pa first
91
Pa last
85
P.A. Now (θ)
85°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.90
Mag sec
10.10
delta mag (ΔM)
0.2
Spectral class
A3III/IV (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6272-02234-1
HD
167378
last precise pa
84.6
last precise sep
0.22