12209-2152 DON 523

 
 
12H 20M 55.83S -21 52' 20.9" P.A. 109 SEP 0.5 MAG 10.30,12.30 SP G8III/IV
 
 
Coord 2000
12209-2152
Discov num
DON 523
Comp
Coord arcsec 2000
12 20 55.83 -21 52 20.9
Date first
1930
Date last
1940
Obs
2
Pa first
106
Pa last
109
P.A. Now (θ)
109°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.30
Mag sec
12.30
delta mag (ΔM)
2
Spectral class
G8III/IV (yellow)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corvus
Tycho2
6108-00451-1
HD
107405
last precise pa
109.3
last precise sep
0.47