18257-4412 DON 898

 
 
18H 25M 39.32S -44 12' 03.7" P.A. 24 SEP 0.5 MAG 10.60,11.30 SP A1IV/V
 
 
Coord 2000
18257-4412
Discov num
DON 898
Comp
Coord arcsec 2000
18 25 39.32 -44 12 03.7
Date first
1930
Date last
1948
Obs
2
Pa first
26
Pa last
24
P.A. Now (θ)
24°
Sep first
0.3
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.60
Mag sec
11.30
delta mag (ΔM)
0.7
Spectral class
A1IV/V (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
Tycho2
7913-00937-1
HD
169201
last precise pa
23.8
last precise sep
0.46