18365-2354 ARA2240AB

 
 
18H 36M 30.53S -23 53' 57.9" P.A. 317 SEP 10.4 MAG 11.20,11.70
 
 
Coord 2000
18365-2354
Discov num
ARA2240
Comp
AB
Coord arcsec 2000
18 36 30.53 -23 53 57.9
Date first
1928
Date last
1999
Obs
4
Pa first
320
Pa last
317
P.A. Now (θ)
317°
Sep first
11.1
Sep last
10.4
Sep. Now (ρ)
10.4"
Mag pri
11.20
Mag sec
11.70
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+014
Sec motion ra
+029
Pri motion dec
+000
Sec motion dec
-008
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
18365-2354 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18365-2354 ARA2240 AB 1928 1999 4 317 10.4 11.20 11.70 0.50 <===
Show 18365-2354 ARA2240 BC 1928 1999 4 3 12.6 11.25 12.00 0.75
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
317.3
last precise sep
10.406