12340-2312 DON 537A,BC

 
 
12h 34m 02.02s -23 12' 07.4" P.A. 76 sep 14.9 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
2017
Obs
7
Pa first
75
Pa last
76
P.A. Now (θ)
76°
Sep first
15.6
Sep last
14.9
Sep. Now (ρ)
14.9"
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 12340-2312 DON 537 A,BC 1920 2017 7 76 14.9 10.60 11.10 0.50 <===
Show 12340-2312 DON 537 BC 1930 2015 3 239 0.7 11.50 13.00 1.50
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.1
Precise sep
14.93
Constellation
Corvus
SAO
180906
Gaia DR2
50989293568
 
 
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
12340-2312 DON 537 A,BC 2017 7 76 14.9 10.60 11.10 G5 123402.02-231207.4

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