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
 
 
Precise pa
240.1
Precise sep
0.62
Constellation
Corvus
SAO
180906
last precise pa
240.1
last precise sep
0.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12340-2312 DON 537 BC 1938 2 240 0.6 9.80 11.30 123400.00-231200.0

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