18303-2533 B   394

 
 
18H 30M 19.83S -25 32' 59.8" P.A. 197 SEP 0.2 MAG 8.90,9.00 SP A1/2IV
 
 
Coord 2000
18303-2533
Discov num
B   394
Comp
Coord arcsec 2000
18 30 19.83 -25 32 59.8
Date first
1928
Date last
2008
Obs
12
Pa first
179
Pa last
197
P.A. Now (θ)
197°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.90
Mag sec
9.00
delta mag (ΔM)
0.1
Spectral class
A1/2IV (white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186888
Tycho2
6861-02179-1
HD
170398
last precise pa
197.1
last precise sep
0.179