18524-2225 DON 930

 
 
18h 52m 22.97s -22 24' 16.4" P.A. 272 sep 0.7 mag 11.18,10.69 Sp A3m
 
 
Coord 2000
18524-2225
Discov num
DON 930
Comp
Coord arcsec 2000
18 52 22.97 -22 24 16.4
Date first
1932
Date last
1991
Obs
4
Pa first
262
Pa last
272
P.A. Now (θ)
272°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.18
Mag sec
10.69
delta mag (ΔM)
0.49
Spectral class
A3m (white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271.7
Precise sep
0.69
Constellation
Sagittarius
Tycho2
6293-00071-1
HD
174653
last precise pa
271.7
last precise sep
0.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18524-2225 DON 930 1991 4 272 0.7 11.18 10.69 A3m 185222.97-222416.4

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