12340-2312 DON 537BC

 
 
12H 34M 03.08S -23 12' 03.7" P.A. 240 SEP 0.6 MAG 11.50,13.00
 
 
Coord 2000
12340-2312
Discov num
DON 537
Comp
BC
Coord arcsec 2000
12 34 03.08 -23 12 03.7
Date first
1930
Date last
1938
Obs
2
Pa first
240
Pa last
240
P.A. Now (θ)
240°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.50
Mag sec
13.00
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12340-2312 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 180906 12340-2312 DON 537 A,BC 1920 1999 6 76 15.1 10.60 11.10 0.50
Show 180906 12340-2312 DON 537 BC 1930 1938 2 240 0.6 11.50 13.00 1.50 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corvus
SAO
180906
last precise pa
240.1
last precise sep
0.62