18549-2157 RSS 495

 
 
18H 54M 52.97S -21 57' 14.3" P.A. 68 SEP 21.6 MAG 9.42,12.00 SP A3:M
 
 
Coord 2000
18549-2157
Discov num
RSS 495
Comp
Coord arcsec 2000
18 54 52.97 -21 57 14.3
Date first
1921
Date last
2010
Obs
6
Pa first
74
Pa last
68
P.A. Now (θ)
68°
Sep first
23.2
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
9.42
Mag sec
12.00
delta mag (ΔM)
2.58
Spectral class
A3:m (white)
Pri motion ra
+017
Sec motion ra
-010
Pri motion dec
-021
Sec motion dec
+004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
67.8
last precise sep
21.56