12456-6059 HJ 4547 (Iot Cru)

12^h 45^m 37.92^s -60° 58' 52.2" P.A. 2.00 sep 29.7 mag 4.72,10.24 Sp K0III dist. 36.81 pc (120.07 l.y.)

Coord 2000	12456-6059	Discov num	HJ 4547	Comp		Coord arcsec 2000	12 45 37.92 -60 58 52.2
Date first	1892	Date last	2015	Obs	19
Pa first	36	Pa last	2.3	P.A. Now (θ)	2.3°
Sep first	27.5	Sep last	29.683	Sep. Now (ρ)	29.683"
Mag pri	4.72	Mag sec	10.24	delta mag (ΔM)	5.52	Spectral class	K0III (yellow-orange)
Pri motion ra	+110	Sec motion ra
Pri motion dec	-068	Sec motion dec
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	Iot Cru	Constellation	Crux	SAO	252016	HIP	62268
Tycho2	8988-02172-1	Gaia DR2	6056280401373072000	HD	110829	HR	4842
GC	17339	CP	CP-60 4273	Bayer	Iota Crucis	Bayer name	Iot Cru
Distance	36.81	Distance ly	120.07	Bayer greek	ι Cru

WDS 12456-6059 HJ 4547 (Iot Cru) : NOTES

discov_num	notes	refcode
HJ 4547	iot Cru
	Optical pair, based on study of relative motion of the components
	using the method of apparent motion parameters.	Kiy2008
	Rectilinear solution by Hurowitz et al. (2014).	USN2014a

REFERENCES

refcode	metd	author	reference
Kiy2008	-	Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S.	2008SvAL...32..405K
Kiy2008		SvAL 34, 405, 2008
USN2014a	lin -	Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D.	2014IAUDS.182....1H
USN2014a		Inf. Circ. 182, 1, 2014

DISCOVERER

idgroup	discov	author
1	HJ	Herschel, J.F.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12456-6059	HJ 4547		1991	20	8	28.1	4.72	10.24	K0III	N D	124537.92-605852.2
12456-6059	HJ 4547		2010	21	2	29.3	4.72	10.24	K0III	N D	124537.92-605852.2
12456-6059	HJ 4547		2012	22	3	30.5	4.72	10.24	K0III	N D	124537.92-605852.2
12456-6059	HJ 4547		2015	19	2	29.7	4.72	10.24	K0III	NL U	124537.92-605852.2

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

WDS 12456-6059 HJ 4547 (Iot Cru) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12456-6059 HJ 4547 (Iot Cru) : MEASURES

No records found.

WDS 12456-6059 (Iot Cru) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 12456-6059 (Iot Cru) : ALADIN DSS IMAGE @ 12^h 45^m 37.92^s -60° 58' 52.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12456-6059 HJ 4547 (Iot Cru) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12456-6059	HJ 4547		2	29.7
Show		12463-6050	B 1722		235	0.1	10
Show		12472-6040	DAM 581		75	5.8	22
Show		12436-6116	TOB 115		130	19.3	23
Show		12425-6101	HDS1781	AB	76	0.4	24
Show		12425-6101	KOU 14	AC	213	5.1	24
Show		12459-6033	JSP 917		77	6.8	26
Show		12495-6109	TDS8540		358	0.6	30
Show		12423-6117	TDS8491		143	7.5	31
Show		12447-6028	TOB 117		327	33.5	32
Show		12413-6105	TOB 110		89	14.9	32
Show		12492-6040	HDS1797		120	0.2	33
Show		12449-6132	TDS8512		351	0.8	35
Show		12410-6106	KPP 749		310	6.5	35
Show		12465-6025	TOB 121		17	20.0	35
Show		12485-6026	TDS8533		284	9.9	39
Show		12433-6141	TDS8500		164	0.6	46
Show		12512-6036	TDS8561		234	8.3	48
Show		12521-6037	JSP 560		228	1.0	52
Show		12476-6010	B 804			0.7	52
Show		12520-6033	HEI 63		8	0.1	54
Show		12530-6051	VVV 13		164	1.9	55
Show		12532-6044	B 1723		87	1.1	58
Show		12379-6118	KPP3874		152	2.0	59
Show		12481-6002	JSP 557		296	3.4	60
Show		12406-6011	JSP 548		241	3.5	61
Show		12400-6013	HEI 513		168	0.8	62
Show		12540-6050	TDS8574	Aa,Ab	230	0.5	62
Show		12540-6050	TOB 128	AB	10	15.0	62
Show		12540-6050	DAM 586	BC	233	5.5	62
Show		12541-6049	DAM 587		263	3.5	63
Show		12379-6129	TDS8462		228	1.9	64
Show		12544-6053	TDS8578		48	2.1	65
Show		12398-6014	JSP 546		219	0.3	66
Show		12546-6111	TDS8580		155	0.7	67
Show		12536-6025	JSP 561		94	2.1	68
Show		12535-6021	JSP 562		206	3.2	69
Show		12536-6021	HDS1808		43	16.9	70
Show		12538-6022	CRU9008	AB	107	5.5	71
Show		12538-6022	CRU9008	CD	87	7.7	71
Show		12539-6023	JSP 563		269	1.4	71
Show		12504-6201	GAI9012	AB	280	2.6	71
Show		12504-6201	GAI9012	AC	70	67.1	71
Show		12506-6201	LDS 421	AB	70	66.2	71
Show		12506-6201	LDS 421	Aa,Ab	278	2.5	71
Show		12419-6204	POM 10	AB	115	2.9	71
Show		12419-6204	POM 10	AC	155	3.9	71
Show		12539-6022	DAM 585	AB	241	5.5	72
Show		12539-6022	DAM 585	AC	10	6.3	72
Show		12473-5949	JSP 556		33	2.4	72
Show		12538-6022	CRU9008	EF	312	11.9	72

WDS 12456-6059 : COMPONENTS

	A
B	pa=1.1° sep=29.66"

12456-6059 A

Componente originario normalizzato	AB	Name	Iot Cru	Coord arcsec 2000	124537.92-605852.2	Mag	4.72
Spectral class	K0III (yellow-orange)	PmRA	110.00	PmDE	-68.0	SAO	252016
HIP	62268	Tycho2	8988-02172-1	HD	110829	HR	4842
GC	17339	CP	CP-60 4273	Bayer	Iota Crucis	Bayer name	Iot Cru

Tycho2

Tycho2	8988-02172-1	Pflag		RAmdeg	191.40854771	DEmdeg	-60.98131765
PmRA	112.4	PmDE	-64.7	E RAmdeg	3	E DEmdeg	3
E pmRA	1.0	E pmDE	1.1	EpRAm	1991.37	EpDEm	1991.53
Num	15	Q RAmdeg	1.0	Q DEmdeg	0.7	Q pmRA	1.1
Q pmDE	0.7	BTmag	6.027	E BTmag	0.014	VTmag	4.803
E VTmag	0.009	Prox	777	TYC	T	HIP	62268
CCDM		RAdeg	191.40800611	DEdeg	-60.98116833	EpRA 1990	1.59
EpDE 1990	1.70	E RAdeg	3.3	E DEdeg	3.3	Posflg
Corr	-0.1

SAO

SAO	252016	DelFlag		RA1950		PmRA1950	0.014
DE1950		PmDE1950	-0.068	Vmag	4.7	SpType	K0
Double code		Source	70	CatNum	17339	DM	CP-60 4273
DMcomp		BDsup		HD	110829	M HD	0
GC	17339	RA1950rad	3.32779953	DE1950rad	-1.05953738	PmRA2000	0.0135
PmDE2000	-0.063

Hipparcos

Catalog	H	HIP	62268	Proxy		RAhms	12 45 37.92
DEdms	-60 58 52.2	Vmag	4.69	VarFlag		R Vmag	H
RAdeg	191.408	DEdeg	-60.9812	AstroRef		Plx	26.17
CCDM	12456-6059	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	110829	BD
CD		CP	CP-60 4273	Dm number	-60 4273	VIred	1.03
SpType	K1III	R SpType		Coord arcsec 2000	124537.92-605852.2

Hipparcos 2

HIP	62268	Sn	5	So	0	Nc	1
RArad	3.3406995486	DErad	-1.0643220336	Plx	27.17	PmRA	112.93
PmDE	-64.62	E RArad	0.15	E DErad	0.16	E Plx	0.24
E pmRA	0.2	E pmDE	0.17	Hpmag	4.8538	E Hpmag	0.0005
SHp	0.006	VA	0	BV	1.049	E BV	0.002
VI	1.03

CCDM

Ccdm	12456-6059	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.85	DDEs	7.4
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	4.7	Sp	G8	PmNote	*
PmRA	100	PmDE	-69	Dm number	-60 4273	Cat1	CPD
Name2	252016	Cat2	SAO	HD	110829	M HD
ADS BDS		M ADS BDS		N IDS		IDS	12398S6026A
HIC	62268

12456-6059 B

Componente originario normalizzato	AB		Coord arcsec 2000	124538.00-605822.5		Mag	10.24		Calc delta mag	5.52
Calc coord	yes

CCDM

Ccdm	12456-6059	RComp		Comp	B	Note1
Note2		Discov num	HJ 4547	DRAs	2.26	DDEs	36.2
R dRAs	90	Year	1942	Theta	022	Rho	26.9
Obs	11	Vmag	9.5	Sp		PmNote	*
PmRA	-22	PmDE	-3	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12398S6026B
HIC