12084-5043 JC    2AB (Del Cen)

 
 
12h 08m 21.54s -50 43' 20.7" P.A. 325 sep 269.1 mag 2.51,4.42 Sp B2IVne dist. 127.23 pc (415.02 l.y.)
 
 
Coord 2000
12084-5043
Discov num
JC    2
Comp
AB
Coord arcsec 2000
12 08 21.54 -50 43 20.7
Date first
1847
Date last
1999
Obs
21
Pa first
325
Pa last
325
P.A. Now (θ)
325°
Sep first
221.3
Sep last
269.1
Sep. Now (ρ)
269.1"
Mag pri
2.51
Mag sec
4.42
delta mag (ΔM)
1.91
Spectral class
B2IVne (blue-white)
Pri motion ra
-050
Sec motion ra
-035
Pri motion dec
-007
Sec motion dec
-007
Notes
N (See Notes)
rPM=0.297 (< 0.3, Physical double)
This double is physical.
 
 
12084-5043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 239689 12084-5043 MLD 1 Aa,Ab 2008 2008 1 118 0.1 2.58
Show Del Cen 239689 12084-5043 JC 2 AB 1847 1999 21 325 269.1 2.51 4.42 1.91 <===
Show 239689 12084-5043 JC 2 AC 1847 1999 17 227 216.9 2.51 6.35 3.84
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
324.9
Precise sep
269.07
Name
Del Cen
Constellation
Centaurus
SAO
239689
HIP
59196
Tycho2
8241-03235-1
HD
105435
HR
4621
GC
16584
CD
CD-50 6697
CP
CP-50 4862
Bayer
Delta Centauri
Bayer name
Del Cen
Distance
127.23
Distance ly
415.02
last precise pa
324.9
last precise sep
269.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12084-5043 JC 2 AB 1999 20 325 269.1 2.51 4.42 B2IVne N D 120821.54-504320.7

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