18244-1917 J  1630

 
 
18h 24m 18.66s -19 14' 30.2" P.A. 221 sep 5.3 mag 11.10,12.00 Sp A0
 
 
Coord 2000
18244-1917
Discov num
J  1630
Comp
Coord arcsec 2000
18 24 18.66 -19 14 30.2
Date first
1919
Date last
2012
Obs
7
Pa first
225
Pa last
221
P.A. Now (θ)
221°
Sep first
5.2
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
11.10
Mag sec
12.00
delta mag (ΔM)
0.9
Spectral class
A0 (white)
Pri motion ra
+018
Sec motion ra
-036
Pri motion dec
+031
Sec motion dec
-045
Notes
rPM=1.618
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221.3
Precise sep
5.33
Constellation
Sagittarius
last precise pa
221.3
last precise sep
5.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18244-1917 J 1630 2000 4 222 5.3 9.80 10.00 D 182418.53-191432.1
18244-1917 J 1630 2012 6 221 5.3 11.10 12.00 D 182418.53-191432.1

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