12316+2405 SDK  90AC

 
 
12H 31M 32.62S +24 05' 11.8" P.A. 179 SEP 38.4 MAG 11.60,17.10 SP F:+M:
 
 
Coord 2000
12316+2405
Discov num
SDK  90
Comp
AC
Coord arcsec 2000
12 31 32.62 +24 05 11.8
Date first
1955
Date last
2010
Obs
7
Pa first
174
Pa last
179
P.A. Now (θ)
179°
Sep first
38.6
Sep last
38.4
Sep. Now (ρ)
38.4"
Mag pri
11.60
Mag sec
17.10
delta mag (ΔM)
5.5
Spectral class
F:+M: (yellow-white/red)
Pri motion ra
-030
Sec motion ra
-093
Pri motion dec
+002
Sec motion dec
+004
Notes
U (Proper motion indicates non-physical)
rPM=0.677
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
 
 
Constellation
Coma Berenices
Tycho2
1989-03058-1
last precise pa
178.9
last precise sep
38.37