12312-5707 DUN 124AB (Gacrux)

 
 
12H 31M 09.95S -57 06' 47.5" P.A. 26 SEP 128.9 MAG 1.83,6.45 SP M3.5III DIST. 27.15 PC (88.56 L.Y.)
 
 
Coord 2000
12312-5707
Discov num
DUN 124
Comp
AB
Coord arcsec 2000
12 31 09.95 -57 06 47.5
Date first
1826
Date last
2010
Obs
19
Pa first
41
Pa last
26
P.A. Now (θ)
26°
Sep first
93.1
Sep last
128.9
Sep. Now (ρ)
128.9"
Mag pri
1.83
Mag sec
6.45
delta mag (ΔM)
4.62
Spectral class
M3.5III (red)
Pri motion ra
+028
Sec motion ra
+005
Pri motion dec
-264
Sec motion dec
-014
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
This double is not physical.
 
 
12312-5707 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Gacrux 240019 12312-5707 DUN 124 AB 1826 2010 19 26 128.9 1.83 6.45 4.62 <===
Show 240019 12312-5707 DUN 124 AC 1879 2010 7 70 165.7 1.83 9.74 7.91
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
Gacrux
Meaning
range of the cross
Constellation
Crux
SAO
240019
HIP
61084
Tycho2
8654-03422-1
HD
108903
HR
4763
GC
17052
CD
CD-56 4504
CP
CP-56 5272
Bayer
Gamma Crucis
Bayer name
Gam Cru
Distance
27.15
Distance ly
88.56
last precise pa
25.5
last precise sep
128.9