12084-5043 MLD 1 Aa,Ab
12h 08m 21.54s -50° 43' 20.7" P.A. 118.00 sep 0.1 mag 2.50,5.40 Sp B2IVne dist. 127.23 pc (415.02 l.y.)
Coord 2000
12084-5043
Discov num
MLD 1
Comp
Aa,Ab
Coord arcsec 2000
12 08 21.54 -50 43 20.7
Date first
2008
Date last
2008
Obs
1
Pa first
118
Pa last
117.5
P.A. Now (θ)
117.5°
Sep first
0.1
Sep last
0.069
Sep. Now (ρ)
0.069"
Mag pri
2.50
Mag sec
5.40
delta mag (ΔM)
2.9
Spectral class
B2IVne (blue-white)
Pri motion ra
-035
Sec motion ra
-035
Pri motion dec
-008
Sec motion dec
-008
Notes
N
K
(See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
12084-5043 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
239689
12 08 22 -50 43 21
MLD 1 Aa,Ab
2008
1
118
0.1
2.50
5.40
2.90
<===
Show
Del Cen
239689
12 08 22 -50 43 21
JC 2 AB
1999
21
325
269.1
2.51
4.42
1.91
Show
239689
12 08 22 -50 43 21
JC 2 AC
1999
17
227
216.9
2.51
6.35
3.84
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Centaurus
SAO
239689
HIP
59196
Tycho2
8241-03235-1
Gaia DR2
6126469654573573888
HD
105435
HR
4621
GC
16584
CD
CD-50 6697
CP
CP-50 4862
Bayer
Delta Centauri
Bayer name
Del Cen
FK5
452
Distance
127.23
Distance ly
415.02
Bayer greek
δ Cen
WDS 12084-5043 MLD 1 Aa,Ab : NOTES
discov_num
notes
refcode
JC 2
A: del Cen. Both A and B are Be stars.
B: CD-49 6813. B is the variable V863 Cen.
MLD 1
Aa,Ab: A component was resolved in K-band using the A0-K0-G1 and
Mld2008
E0-G0-H0 baselines with VLTI/AMBER. The magnitude difference in K was
2.89 +/- 0.16 mag.
REFERENCES
refcode
metd
author
reference
Mld2008
Kv j
Meilland, A., Millour, F., Stee, Ph., Spang, A., Petrov, R., Bonneau, D.,
2008A&A...488L..67M
Mld2008
Perraut, K., & Massi, F.
Mld2008
A&A 488, L67, 2008
DISCOVERER
idgroup
discov
author
1
JC
Jacob, W.S.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
12084-5043
MLD 1
Aa,Ab
2008
1
118
0.1
2.58
B2IVne
N
120821.54-504320.7
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12084-5043 MLD 1 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12084-5043 MLD 1 Aa,Ab : MEASURES
No records found.
WDS 12084-5043 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
WDS 12084-5043 : ALADIN DSS IMAGE @ 12h 08m 21.54s -50° 43' 20.7"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 12084-5043 MLD 1 Aa,Ab : NEIGHBORHOODS
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show
name
coord_2000
discov#
comp
pa
sep
dist(')
Show
12084-5043
MLD 1
Aa,Ab
118
0.1
Show
12084-5043
JC 2
AB
325
269.1
Show
12084-5043
JC 2
AC
227
216.9
Show
12058-5058
I 898
169
3.5
29
Show
12120-5046
JNN 167
AB
173
2.2
35
Show
12047-5034
HDS1699
326
0.2
36
Show
12065-5115
TDS8225
48
0.6
37
Show
12123-5040
HDS1726
162
0.2
38
Show
12084-5003
TDS8243
72
0.8
40
Show
12084-5002
CPO 344
2
3.1
41
Show
12097-5002
RST 577
226
1.6
44
Show
12129-5040
HDS1728
118
8.3
44
Show
12041-5100
RSS 280
66
27.2
44
Show
12094-5127
I 1218
AB
138
1.5
45
Show
12094-5127
I 1218
AC
146
13.7
45
Show
12130-5025
TDS8268
317
0.4
49
Show
12032-5045
RST1634
91
3.6
50
Show
12136-5030
RST 581
33
1.8
53
Show
12069-4953
RST 575
14
2.3
53
Show
12117-4957
BVD 98
207
21.3
56
Show
12069-4948
DAM 572
116
3.4
57
Show
12059-4951
RST4958
Aa,Ab
359
0.2
58
Show
12059-4951
HJ 4494
AB
70
12.9
58
Show
12059-4951
HJ 4494
AC
349
24.7
58
Show
12043-5128
VSP 32
38
0.3
60
Show
12107-4948
TDS8256
350
0.5
60
Show
12098-5147
I 216
27
1.0
66
Show
12108-5148
RST1651
7
0.7
69
Show
12101-4934
RST 578
141
2.6
72
Show
12017-5009
TDS8178
293
2.0
73
Show
12015-4958
RST 568
86
1.9
80
Show
12006-5014
RST 565
217
0.4
80
Show
12031-4939
HDS1694
140
0.1
82
Show
12001-5021
RST4953
157
2.2
82
Show
12165-5009
RST 583
306
0.3
85
Show
11597-5112
CPO 340
AB
156
5.2
87
Show
12148-5146
LDS 394
187
23.9
88
Show
12021-5149
JNN 165
149
4.4
89
Show
12042-5203
RST 571
354
2.1
89
Show
12167-5002
BRT 806
38
8.2
90
Show
12050-4916
TDS8212
244
0.6
94
Show
12112-5213
R 192
AB
100
3.2
94
Show
12112-5213
KOU 6
AC
251
6.9
94
Show
12101-4911
CVN 46
AB
90
6.9
95
Show
12101-4911
RMU 4
Aa,Ab
259
0.4
95
Show
11583-5108
KPP1316
285
10.0
98
Show
11596-5140
TDS8153
108
34.4
100
Show
11587-5007
TDS 651
201
1.2
100
Show
12117-5222
RIZ 2
348
0.1
104
Show
12047-5221
JNN 166
AB
258
4.2
104
Show
12047-5221
JNN 166
AC
234
0.3
104
WDS 12084-5043 : COMPONENTS
A
Ab
B
Ab
pa=129.4°
sep=0.05"
B
pa=336.0°
sep=240.97"
pa=336.0°
sep=241.02"
C
pa=214.0°
sep=179.02"
pa=214.0°
sep=179.01"
pa=180.3°
sep=368.60"
12084-5043 A
Name
Del Cen
Coord arcsec 2000
120821.54-504320.7
Mag
2.51
Spectral class
B2IVne (blue-white)
PmRA
-50.00
PmDE
-7.0
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
FK5
452
Tycho2
8241-03235-1
Pflag
RAmdeg
182.08963142
DEmdeg
-50.72242738
PmRA
-35.1
PmDE
-7.5
E RAmdeg
3
E DEmdeg
3
E pmRA
0.8
E pmDE
0.8
EpRAm
1991.25
EpDEm
1991.50
Num
13
Q RAmdeg
1.3
Q DEmdeg
1.0
Q pmRA
1.2
Q pmDE
1.1
BTmag
2.410
E BTmag
0.014
VTmag
2.515
E VTmag
0.009
Prox
999
TYC
T
HIP
59196
CCDM
RAdeg
182.08976278
DEdeg
-50.72241000
EpRA 1990
1.46
EpDE 1990
1.71
E RAdeg
3.1
E DEdeg
3.1
Posflg
Corr
-0.1
SAO
239689
DelFlag
RA1950
PmRA1950
-0.0034
DE1950
PmDE1950
-0.012
Vmag
2.9
SpType
B3p
Double code
Source
74
CatNum
452
DM
CD-50 6697
DMcomp
BDsup
HD
105435
M HD
0
GC
16584
RA1950rad
3.16671418
DE1950rad
-0.88041353
PmRA2000
-0.0033
PmDE2000
-0.009
Catalog
H
HIP
59196
Proxy
RAhms
12 08 21.54
DEdms
-50 43 20.7
Vmag
2.58
VarFlag
2
R Vmag
G
RAdeg
182.09
DEdeg
-50.7224
AstroRef
*
Plx
8.25
CCDM
12083-5043
N CCDM
I
Nsys
2
Ncomp
1
MultFlag
V
Source
Qual
M HIP
Theta
Rho
HD
105435
BD
CD
CD-50 6697
CP
CP-50 4862
Dm number
-50 6697
VIred
-0.12
SpType
B2IVne
R SpType
Coord arcsec 2000
120821.54-504320.7
HIP
59196
Sn
1
So
5
Nc
1
RArad
3.1780659373
DErad
-0.8852730576
Plx
7.86
PmRA
-49.94
PmDE
-7.19
E RArad
0.25
E DErad
0.3
E Plx
0.47
E pmRA
0.31
E pmDE
0.29
Hpmag
2.5241
E Hpmag
0.0067
SHp
0.048
VA
2
BV
-0.128
E BV
0.008
VI
-0.12
12084-5043 Ab
Coord arcsec 2000
120821.54-504320.7
Mag
5.4
PmRA
-35.00
PmDE
-8.0
Calc delta mag
2.9
Calc coord
yes
12084-5043 B
Var name
V863 Cen
Coord arcsec 2000
120811.23-503940.6
Mag
4.42
PmRA
-35.00
PmDE
-7.0
Calc delta mag
1.92
Calc coord
yes
12084-5043 C
Coord arcsec 2000
120811.00-504549.2
Mag
6.35
PmRA
-36.00
PmDE
-10.0
Calc delta mag
3.85
Calc coord
yes