18155-1738 ARA 271

 
 
18H 15M 31.51S -17 37' 39.2" P.A. 255 SEP 8.9 MAG 11.74,12.20
 
 
Coord 2000
18155-1738
Discov num
ARA 271
Comp
Coord arcsec 2000
18 15 31.51 -17 37 39.2
Date first
1916
Date last
1999
Obs
4
Pa first
252
Pa last
255
P.A. Now (θ)
255°
Sep first
9.0
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
11.74
Mag sec
12.20
delta mag (ΔM)
0.46
Spectral class
Pri motion ra
+007
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6268-00137-1
last precise pa
254.6
last precise sep
8.938