18365-2354 ARA2240BC

 
 
18h 36m 30.02s -23 53' 50.3" P.A. 3 sep 12.6 mag 11.25,12.00
 
 
Coord 2000
18365-2354
Discov num
ARA2240
Comp
BC
Coord arcsec 2000
18 36 30.02 -23 53 50.3
Date first
1928
Date last
1999
Obs
4
Pa first
9
Pa last
3
P.A. Now (θ)
Sep first
12.1
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
11.25
Mag sec
12.00
delta mag (ΔM)
0.75
Spectral class
Pri motion ra
+029
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
-001
Notes
rPM=0.959
This double is not physical.
 
 
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
 
 
Precise pa
3.1
Precise sep
12.603
Cdsa2 id
ARA 2240 BC
Constellation
Sagittarius
Ra deg
18.60833888888889
De deg
-23.897305555555555
last precise pa
3.1
last precise sep
12.603
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18365-2354 ARA2240 BC 1999 2 3 12.6 13.20 13.20 D 183630.02-235350.3
18365-2354 ARA2240 BC 2010 5 2 12.2 11.25 12.00 183630.02-235350.3

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