18472-2246 DON 923

 
 
18H 47M 12.49S -22 46' 00.6" P.A. 348 SEP 0.6 MAG 9.88,10.37 SP F5V
 
 
Coord 2000
18472-2246
Discov num
DON 923
Comp
Coord arcsec 2000
18 47 12.49 -22 46 00.6
Date first
1929
Date last
1991
Obs
4
Pa first
359
Pa last
348
P.A. Now (θ)
348°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.88
Mag sec
10.37
delta mag (ΔM)
0.49
Spectral class
F5V (yellow-white)
Pri motion ra
+008
Sec motion ra
+008
Pri motion dec
-025
Sec motion dec
-025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6859-00198-1
HD
173643
last precise pa
348.2
last precise sep
0.62