18429-1829 ARA 488

 
 
18H 42M 48.98S -18 29' 01.2" P.A. 167 SEP 20.3 MAG 11.84,11.50
 
 
Coord 2000
18429-1829
Discov num
ARA 488
Comp
Coord arcsec 2000
18 42 48.98 -18 29 01.2
Date first
1916
Date last
2010
Obs
7
Pa first
170
Pa last
167
P.A. Now (θ)
167°
Sep first
10.3
Sep last
20.3
Sep. Now (ρ)
20.3"
Mag pri
11.84
Mag sec
11.50
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
+004
Sec motion ra
+015
Pri motion dec
-001
Sec motion dec
-101
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6284-01583-1
last precise pa
166.6
last precise sep
20.29