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
 
 
Precise pa
109.3
Precise sep
0.47
Constellation
Corvus
Tycho2
6108-00451-1
HD
107405
last precise pa
109.3
last precise sep
0.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12209-2152 DON 523 1940 2 109 0.5 10.30 12.30 G8III/IV 122055.83-215220.9

If you need more information about this double, apply for a data request form to the WDS.