16156-5641 I 558 (HD 145740)

16^h 15^m 34.99^s -56° 41' 15.9" P.A. 49.00 sep 1.6 mag 8.24,9.70 Sp G6III/IV dist. 102.35 pc (333.87 l.y.)

Coord 2000	16156-5641	Discov num	I 558	Comp		Coord arcsec 2000	16 15 34.99 -56 41 15.9
Date first	1872	Date last	2015	Obs	11
Pa first	46	Pa last	49.1	P.A. Now (θ)	49.1°
Sep first	1.8	Sep last	1.647	Sep. Now (ρ)	1.647"
Mag pri	8.24	Mag sec	9.70	delta mag (ΔM)	1.46	Spectral class	G6III/IV (yellow)
Pri motion ra	+009	Sec motion ra	+009
Pri motion dec	-012	Sec motion dec	-012
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 145740	Constellation	Norma	SAO	243504	HIP	79669
Tycho2	8719-01709-1	Gaia DR2	5835444972796106368	HD	145740	CP	CP-56 7473
Distance	102.35	Distance ly	333.87

WDS 16156-5641 I 558 (HD 145740) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
I__1895	Ma -	Innes, R.T.A.	1895MNRAS..55..312I
I__1895	+Mb	MNRAS 55, 312,544, 1895
I__1896	Mb -	Innes, R.T.A.	1896JBAA....6..261I
I__1896		J. British Astron. Assoc. 6, 261, 1896
I__1897a	Ma -	Innes, R.T.A.	1897MNRAS..57..533I
I__1897a		MNRAS 57, 533, 1897 (data also in I__1897b,	1897AN....143..171I
I__1897a		I__1897c)	1897AN....144...89I
I__1897b	Ma -	Innes, R.T.A.	1897AN....143..171I
I__1897b		AN 143, 171, 1897
I__1897c	Ma -	Innes, R.T.A.	1897AN....144...89I
I__1897c		AN 144, 89, 1897
I__1897d	Ma -	Innes, R.T.A.	1897AN....145...93I
I__1897d		AN 145, 93, 1897
I__1897e	Ma -	Innes, R.T.A.	1897MNRAS..57..456I
I__1897e	+Mb	MNRAS 57, 456, 1897
I__1897f	Ma -	Innes, R.T.A.	1897MNRAS..58...48I
I__1897f		MNRAS 58, 48, 1897
I__1897g	Ma -	Innes, R.T.A.	1897AJ.....18...65I
I__1897g		AJ 18, 65, 1897
I__1898	Ma -	Innes, R.T.A.	1898AN....146..369I
I__1898		AN 146, 369, 1898
I__1899	Ma -	Innes, R.T.A.	1899QB4.C22v2......
I__1899		Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901	Ma -	Innes, R.T.A.	1901MNRAS..61..575.
I__1901		MNRAS 61, 575, 1901 (data also in I__1905)	1905AnCap...2....4I
I__1902a	Ma -	Innes, R.T.A.	1902MNRAS..62..470I
I__1902a		MNRAS 62, 470, 1902 (data also in I__1905)	1905AnCap...2....4I
I__1902b	Ma -	Innes, R.T.A.	1902MNRAS..63...76I
I__1902b		MNRAS 63, 76, 1902 (some data also in I__1905)	1905AnCap...2....4I
I__1903	-	Innes, R.T.A.	1903MNRAS..64..130I
I__1903		MNRAS 64, 130, 1903 (data also in I__1905)	1905AnCap...2....4I
I__1903b	Ma -	Innes, R.T.A.	1903Obs....26..285I
I__1903b		Obs 26, 285, 1903 (some data also in I__1905)	1905AnCap...2....4I
I__1905	Ma -	Innes, R.T.A.	1905AnCap...2....4I
I__1905		Ann. Cape Obs. 2, Pt.4, 1905
I__1907	Ma -	Innes, R.T.A.	1907Obs....30...61I
I__1907		Obs 30, 61, 1907
I__1908	-	Innes, R.T.A.	1908Obs....31..289I
I__1908		Obs 31, 289, 1908 (measures also in I__1909)
I__1909	Ma -	Innes, R.T.A.	.
I__1909		Transvaal Obs. Circ. 1, 1, 1909
I__1910	Ma -	Innes, R.T.A.	.
I__1910		Transvaal Obs. Circ. 1, 21, 1910
I__1911	Ma -	Innes, R.T.A.	.
I__1911		Transvaal Obs. Circ. 1, 61, 1911
I__1912	Ma -	Innes, R.T.A.	.
I__1912		Transvaal Obs. Circ. 1, 111, 1912
I__1913a	Ma -	Innes, R.T.A.	1913CiUO....4...31.
I__1913a		Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1913CiUO....4...31.
I__1913b		Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914	Ma -	Innes, R.T.A.	1914CiUO...14...97.
I__1914		Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a	Ma -	Innes, R.T.A.	1915CiUO...24..185.
I__1915a		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b	Ma -	Innes, R.T.A. (measure by Cox, G.W.)	1915CiUO...24..185.
I__1915b		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c	Ma -	Innes, R.T.A. (measure by Johnson, E.L.)	1915CiUO...24..185.
I__1915c		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1915CiUO...24..185.
I__1915d		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e	-	Innes, R.T.A.	1915Obs....38..221I
I__1915e		Obs 38, 221, 1915 (measures also in I__1916)	1916CiUO...33..249I
I__1915f	-	Innes, R.T.A.	1915Obs....38..333I
I__1915f		Obs 38, 333, 1915 (measures also in I__1915)	1915CiUO...24..185I
I__1916a	Ma -	Innes, R.T.A.	1916CiUO...33..249I
I__1916a		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1916CiUO...33..249I
I__1916b		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c	Ma -	Innes, R.T.A. (measure by van der Spuy, K.)	1916CiUO...33..249I
I__1916c		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a	Ma -	Innes, R.T.A.	1917CiUO...37..285I
I__1917a		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b	Ma -	Innes, R.T.A. (measure by Johnson, E.L.)	1917CiUO...37..285I
I__1917b		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c	Ma -	Innes, R.T.A. (measure by van der Spuy, K.)	1917CiUO...37..285I
I__1917c		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d	Ma -	Innes, R.T.A. (measure by Worssell, W.M.)	1917CiUO...37..285I
I__1917d		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918	Ma -	Innes, R.T.A.	1918CiUO...41..339I
I__1918		Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a	Ma -	Innes, R.T.A.	1927sdsc.book.....I
I__1927a	+Po	Southern Double Star Cat. 1927
I__1927b	Ma -	Innes, R.T.A. & van den Bos, W.H.	1927sdsc.book.....I
I__1927b		Southern Double Star Cat. 1927
I__1932A	Ma -	Innes, R.T.A.	1932QB821.A43......
I__1932A		cited in ADS (Aitken Double Star Cat.), 1932
I__1948a	Ma -	Innes, R.T.A.	1948CiUO..106..193I
I__1948a	+Po	Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1948CiUO..106..193I
I__1948b		Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999	Ma -	Innes, R.T.A.	...................
I__9999	+Mb	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16156-5641	I 558		1991	10	50	1.7	8.24	9.70	G6III/IV	D	161534.99-564115.9
16156-5641	I 558		2015	11	49	1.6	8.24	9.70	G6III/IV		161534.99-564115.9

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

WDS 16156-5641 I 558 (HD 145740) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16156-5641 I 558 (HD 145740) : MEASURES

No records found.

WDS 16156-5641 (HD 145740) : 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 16156-5641 (HD 145740) : ALADIN DSS IMAGE @ 16^h 15^m 34.99^s -56° 41' 15.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16156-5641 I 558 (HD 145740) : 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		16156-5641	I 558		49	1.6
Show		16135-5647	LDS 553		117	14.5	20
Show		16151-5622	EGN 17	AB	169	2.1	20
Show		16151-5622	EGN 17	AC	58	2.4	20
Show		16151-5622	EGN 17	AD	153	3.3	20
Show		16151-5622	EGN 17	AE	246	7.7	20
Show		16151-5622	EGN 17	AF	287	13.6	20
Show		16134-5625	COO 195		127	2.7	25
Show		16158-5615	TDS9815		154	2.5	27
Show		16120-5649	TDS9792		210	2.0	31
Show		16192-5708	TDS9837		19	1.1	41
Show		16101-5704	RST3002		216	0.4	51
Show		16108-5610	RST 815		92	2.4	51
Show		16149-5548	I 985	AB	278	1.5	54
Show		16149-5548	B 9027	AC	137	10.7	54
Show		16192-5734	RST 833		181	2.7	60
Show		16150-5541	RST5406		305	0.8	61
Show		16160-5743	BRT3176		337	4.1	62
Show		16232-5632	BRT2818		235	3.1	65
Show		16231-5700	KPP1141		256	8.9	65
Show		16092-5603	RST1878		213	9.0	66
Show		16110-5736	HDS2287		91	0.7	67
Show		16229-5613	RST 840		79	1.5	68
Show		16220-5727	BRT3178		151	5.2	70
Show		16211-5548	RST 837		255	1.9	71
Show		16155-5752	BRT3175		221	3.3	72
Show		16118-5532	HDS2290		109	0.2	76
Show		16193-5752	TDS 809		185	1.8	78
Show		16193-5530	CVN 97	AB	29	3.6	78
Show		16193-5530	CVN 97	AC	89	3.7	78
Show		16193-5530	CVN 97	AD	281	4.1	78
Show		16193-5530	CVN 97	AE	151	4.6	78
Show		16193-5530	CVN 97	AF	169	6.0	78
Show		16193-5530	CVN 97	AG	177	6.2	78
Show		16193-5530	CVN 97	AH	351	7.6	78
Show		16189-5754	EVS 1	AB	259	0.9	78
Show		16189-5754	EVS 1	AC	209	35.5	78
Show		16189-5754	EVS 1	AD	45	8.5	78
Show		16189-5754	EVS 1	AE	7	13.6	78
Show		16189-5754	EVS 1	AF	289	14.7	78
Show		16189-5754	EVS 1	AG	1	15.0	78
Show		16189-5754	EVS 1	AH	172	20.0	78
Show		16189-5754	EVS 1	AI	189	20.3	78
Show		16189-5754	KRV 44	AJ	5	46.3	78
Show		16189-5754	KRV 44	AK	23	43.7	78
Show		16188-5757	RST5048		38	0.3	80
Show		16123-5800	RST 819		303	4.1	84
Show		16161-5809	BRT3177		281	3.0	88
Show		16195-5519	LPO 55		105	4.4	89
Show		16105-5521	RST 814		114	5.0	91
Show		16216-5759	TDS9860		24	1.4	93

WDS 16156-5641 : COMPONENTS

	A
B	pa=32.4° sep=1.28"

16156-5641 A

Componente originario normalizzato	AB	Name	HD 145740	Coord arcsec 2000	161534.99-564115.9	Mag	8.24
Spectral class	G6III/IV (yellow)	PmRA	9.00	PmDE	-12.0	SAO	243504
HIP	79669	Tycho2	8719-01709-1	HD	145740	CP	CP-56 7473

Tycho2

Tycho2	8719-01709-1	Pflag	P	RAmdeg	243.89578928	DEmdeg	-56.68775262
PmRA	8.5	PmDE	-11.7	E RAmdeg	6	E DEmdeg	7
E pmRA	2.1	E pmDE	1.9	EpRAm	1991.14	EpDEm	1991.00
Num	7	Q RAmdeg	1.5	Q DEmdeg	0.9	Q pmRA	1.4
Q pmDE	0.9	BTmag	9.227	E BTmag	0.017	VTmag	8.242
E VTmag	0.012	Prox	17	TYC	T	HIP	79669
CCDM	A	RAdeg	243.89562750	DEdeg	-56.68778111	EpRA 1990	1.35
EpDE 1990	1.32	E RAdeg	6.1	E DEdeg	6.5	Posflg	D
Corr	0.2

SAO

SAO	243504	DelFlag		RA1950		PmRA1950	0.0025
DE1950		PmDE1950	-0.016	Vmag	8	SpType	G5
Double code		Source	43	CatNum	5134	DM	CP-56 7473
DMcomp		BDsup		HD	145740	M HD	0
GC		RA1950rad	4.23900418	DE1950rad	-0.98720618	PmRA2000	0.0019
PmDE2000	-0.015

Hipparcos

Catalog	H	HIP	79669	Proxy	H	RAhms	16 15 34.95
DEdms	-56 41 16.0	Vmag	7.9	VarFlag		R Vmag	H
RAdeg	243.896	DEdeg	-56.6878	AstroRef	A	Plx	10.91
CCDM	16156-5641	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	49	Rho	1.635	HD	145740	BD
CD		CP	CP-56 7473	Dm number	-56 7473	VIred	0.87
SpType	G6III/IV	R SpType		Coord arcsec 2000	161534.95-564116.0

Hipparcos 2

HIP	79669	Sn	15	So	3	Nc	2
RArad	4.2567818688	DErad	-0.9893884483	Plx	9.77	PmRA	5.68
PmDE	-12.75	E RArad	1.18	E DErad	0.92	E Plx	0.97
E pmRA	1.36	E pmDE	1.11	Hpmag	8.0428	E Hpmag	0.001
SHp	0.012	VA	0	BV	0.725	E BV	0.018
VI	0.78

CCDM

Ccdm	16156-5641	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.92	DDEs	-15.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.2	Sp	G5	PmNote	*
PmRA	21	PmDE	-16	Dm number	-56 7473	Cat1	CPD
Name2	243504	Cat2	SAO	HD	145740	M HD
ADS BDS		M ADS BDS		N IDS		IDS	16075S5626A
HIC	79669

16156-5641 B

Componente originario normalizzato	AB		Coord arcsec 2000	161535.07-564114.8		Mag	9.7		PmRA	9.00
PmDE	-12.0		Tycho2	8719-01709-2		Calc delta mag	1.46		Calc coord	yes

Tycho2

Tycho2	8719-01709-2	Pflag	P	RAmdeg	243.89578928	DEmdeg	-56.68775262
PmRA	8.5	PmDE	-11.7	E RAmdeg	6	E DEmdeg	7
E pmRA	2.1	E pmDE	1.9	EpRAm	1991.14	EpDEm	1991.00
Num	7	Q RAmdeg	1.5	Q DEmdeg	0.9	Q pmRA	1.4
Q pmDE	0.9	BTmag	10.283	E BTmag	0.028	VTmag	9.696
E VTmag	0.024	Prox	17	TYC	T	HIP	79669
CCDM	B	RAdeg	243.89627694	DEdeg	-56.68748444	EpRA 1990	1.35
EpDE 1990	1.33	E RAdeg	15.7	E DEdeg	16.9	Posflg	D
Corr	0.2

CCDM

Ccdm	16156-5641	RComp		Comp	B	Note1
Note2		Discov num	I 558	DRAs		DDEs
R dRAs		Year	1872	Theta	050	Rho	1.6
Obs	7	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	16075S5626B
HIC	79669