12084-5043 JC 2 AB (Del Cen)

12^h 08^m 21.54^s -50° 43' 20.7" P.A. 325.00 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	324.9	P.A. Now (θ)	324.9°
Sep first	221.3	Sep last	269.07	Sep. Now (ρ)	269.07"
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	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

Name	Del Cen	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 JC 2 AB (Del Cen) : 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	JC 2	AB	1999	20	325	269.1	2.51	4.42	B2IVne	N D	120821.54-504320.7

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

WDS 12084-5043 JC 2 AB (Del Cen) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12084-5043 JC 2 AB (Del Cen) : MEASURES

No records found.

WDS 12084-5043 (Del Cen) : 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 (Del Cen) : ALADIN DSS IMAGE @ 12^h 08^m 21.54^s -50° 43' 20.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12084-5043 JC 2 AB (Del Cen) : 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

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

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

Hipparcos

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

Hipparcos 2

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