12340-2312 DON 537A,BC

 
 
12h 34m 02.02s -23 12' 07.4" P.A. 76 sep 15.1 mag 10.60,11.10 Sp G5
 
 
Coord 2000
12340-2312
Discov num
DON 537
Comp
A,BC
Coord arcsec 2000
12 34 02.02 -23 12 07.4
Date first
1920
Date last
1999
Obs
6
Pa first
75
Pa last
76
P.A. Now (θ)
76°
Sep first
15.6
Sep last
15.1
Sep. Now (ρ)
15.1"
Mag pri
10.60
Mag sec
11.10
delta mag (ΔM)
0.5
Spectral class
G5 (yellow)
Pri motion ra
+014
Sec motion ra
+015
Pri motion dec
-008
Sec motion dec
-005
Notes
rPM=0.196 (< 0.3, Physical double)
This double is physical.
 
 
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
75.8
Precise sep
15.075
Constellation
Corvus
SAO
180906
last precise pa
75.8
last precise sep
15.075
 
 
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 A,BC 1999 5 76 15.0 10.60 11.10 G5 D 123402.02-231207.4

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