12316+2405 SDK  90AB

 
 
12h 31m 32.62s +24 05' 11.8" P.A. 58 sep 32.5 mag 11.60,13.60 Sp F:+M3:
 
 
Coord 2000
12316+2405
Discov num
SDK  90
Comp
AB
Coord arcsec 2000
12 31 32.62 +24 05 11.8
Date first
1955
Date last
2010
Obs
9
Pa first
57
Pa last
58
P.A. Now (θ)
58°
Sep first
33.2
Sep last
32.5
Sep. Now (ρ)
32.5"
Mag pri
11.60
Mag sec
13.60
delta mag (ΔM)
2
Spectral class
F:+M3: (yellow-white/red)
Pri motion ra
-030
Sec motion ra
-035
Pri motion dec
+002
Sec motion dec
-014
Notes
U (Proper motion indicates non-physical)
rPM=0.445
This double is not physical.
 
 
12316+2405 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12316+2405 SDK 90 AB 1955 2010 9 58 32.5 11.60 13.60 2.00 <===
Show 12316+2405 SDK 90 AC 1955 2010 7 179 38.4 11.60 17.10 5.50
Show 12316+2405 SKF1478 BD 1955 2010 7 203 13.6 16.20 19.80 3.60
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
58.1
Precise sep
32.53
Cdsa2 id
SDK 90 AB
Constellation
Coma Berenices
Tycho2
1989-03058-1
Ra deg
12.525727777777778
De deg
24.08661111111111
last precise pa
58.1
last precise sep
32.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12316+2405 SDK 90 AB 1976 1 59 33.0 15.80   M 123134.65+240529.2
12316+2405 SDK 90 AB 2010 9 58 32.5 11.60 13.60 F:+M3: U 123132.62+240511.8

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