18583-2306 ARA2251

 
 
18h 58m 21.64s -23 06' 22.9" P.A. 234 sep 10.3 mag 10.75,12.80 Sp A9IV/V
 
 
Coord 2000
18583-2306
Discov num
ARA2251
Comp
Coord arcsec 2000
18 58 21.64 -23 06 22.9
Date first
1910
Date last
2010
Obs
7
Pa first
238
Pa last
234
P.A. Now (θ)
234°
Sep first
9.9
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
10.75
Mag sec
12.80
delta mag (ΔM)
2.05
Spectral class
A9IV/V (white)
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
+011
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
234.3
last precise sep
10.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18583-2306 ARA2251 2000 3 235 10.2 10.75 12.80 A9IV/V D 185821.64-230622.9
18583-2306 ARA2251 2008 4 235 10.2 10.75 12.80 A9IV/V D 185821.64-230622.9
18583-2306 ARA2251 2010 7 235 10.1 10.75 12.80 A9IV/V 185821.64-230622.9

If you need more information about this double, apply for a data request form to the WDS.