18462-4520 DON 921

 
 
18H 46M 09.42S -45 20' 20.6" P.A. 122 SEP 1 MAG 10.87,11.27
 
 
Coord 2000
18462-4520
Discov num
DON 921
Comp
Coord arcsec 2000
18 46 09.42 -45 20 20.6
Date first
1931
Date last
1991
Obs
4
Pa first
125
Pa last
122
P.A. Now (θ)
122°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.87
Mag sec
11.27
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-014
Sec motion ra
-014
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
Tycho2
8373-01158-1
last precise pa
122.3
last precise sep
1.036