17176-4855 I 1601

17^h 17^m 34.82^s -48° 55' 16.9" P.A. 169.00 sep 1.6 mag 9.74,12.70 Sp F6V

Coord 2000	17176-4855	Discov num	I 1601	Comp		Coord arcsec 2000	17 17 34.82 -48 55 16.9
Date first	1927	Date last	2016	Obs	3
Pa first	180	Pa last	169.3	P.A. Now (θ)	169.3°
Sep first	1.1	Sep last	1.6	Sep. Now (ρ)	1.6"
Mag pri	9.74	Mag sec	12.70	delta mag (ΔM)	2.96	Spectral class	F6V (yellow-white)
Pri motion ra	-019	Sec motion ra
Pri motion dec	-027	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ara		SAO	227784		Tycho2	8349-01554-1		Gaia DR2	5950439591018720256
HD	156009

WDS 17176-4855 I 1601 : 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
17176-4855	I 1601		1927	1	180	1.1	9.74	12.70	F6V		171734.82-485516.9
17176-4855	I 1601		2015	2	169	1.6	9.74	12.70	F6V		171734.82-485516.9
17176-4855	I 1601		2016	3	169	1.6	9.74	12.70	F6V		171734.82-485516.9

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

WDS 17176-4855 I 1601 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17176-4855 I 1601 : MEASURES

No records found.

WDS 17176-4855 : 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 17176-4855 : ALADIN DSS IMAGE @ 17^h 17^m 34.82^s -48° 55' 16.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17176-4855 I 1601 : 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		17176-4855	I 1601		169	1.6
Show		17191-4902	RST 918		310	0.5	18
Show		17166-4910	RST 915		325	1.1	18
Show		17165-4915	RST 914		118	1.2	23
Show		17189-4920	B 2407		122	9.6	29
Show		17206-4909	RST 919		89	2.4	33
Show		17145-4913	RST 909	AB	196	0.6	35
Show		17145-4913	RST 909	AC	205	2.7	35
Show		17140-4902	RST 907		150	0.3	36
Show		17147-4921	RST 910		200	1.9	39
Show		17182-4815	RST 917		187	0.3	42
Show		17207-4930	B 2831		317	9.6	47
Show		17201-4950	BRT 956		177	4.5	60
Show		17127-4814	SKF1052		300	7.6	64
Show		17111-4912	CPO 513		193	4.2	66
Show		17229-4816	RST 922		356	1.7	66
Show		17232-4937	SWR 218		265	11.0	69
Show		17137-4757	RST 906		54	2.5	71
Show		17195-5004	FIN 356		101	0.1	72
Show		17176-5010	I 1314		330	2.7	75
Show		17134-4752	RST 905		113	1.3	76
Show		17116-4949	NSN 375		166	29.0	80
Show		17164-4735	B 1331		36	1.0	82
Show		17255-4932	RST 926		10	2.5	86
Show		17259-4926	CPO 524		112	4.3	88
Show		17264-4837	TOK 415	Ba,Bb	119	1.0	88
Show		17264-4837	SHY 297	AB	314	127.0	89
Show		17248-4951	BRT 964		358	5.2	90
Show		17085-4850	RST 899		117	0.6	90
Show		17249-4950	CPO 523		118	4.7	91
Show		17154-4727	RST 911		15	4.4	91
Show		17247-4955	CPO 522		332	5.2	93
Show		17198-5025	RST1949		75	2.4	93
Show		17085-4928	HJ 4916		276	9.9	95
Show		17272-4833	HDS2464		88	0.1	99
Show		17255-4754	HJ 4945		111	6.3	100
Show		17124-5021	RST1938		102	0.9	100
Show		17149-5032	SKF1414		195	18.7	101
Show		17151-5033	I 1000		168	1.1	101
Show		17233-4728	HDO 271		60	45.0	105
Show		17249-5011	I 1318		194	2.1	105
Show		17087-4955	RST 900		145	1.6	106
Show		17282-4840	BRT 971		36	2.6	106
Show		17274-4941	BRT 969		49	4.0	107
Show		17273-4944	BRT 968		22	3.2	107
Show		17266-4755	HDS2463		245	0.2	108
Show		17066-4848	BRT 945		247	5.5	109
Show		17230-5032	I 1316		193	1.1	110
Show		17082-4757	RST 898		102	1.7	111
Show		17274-4757	RSS 442		142	9.9	114
Show		17283-4951	RST 928		107	2.2	119

WDS 17176-4855 : COMPONENTS

	A
B	pa=172.9° sep=1.58"

17176-4855 A

Componente originario normalizzato	AB	Coord arcsec 2000	171734.82-485516.9	Mag	9.74	Spectral class	F6V (yellow-white)
PmRA	-19.00	PmDE	-27.0	SAO	227784	Tycho2	8349-01554-1
HD	156009	DM	CD-4811564

Tycho2

Tycho2	8349-01554-1	Pflag		RAmdeg	259.39510279	DEmdeg	-48.92138754
PmRA	-17.4	PmDE	-21.5	E RAmdeg	19	E DEmdeg	24
E pmRA	1.9	E pmDE	1.8	EpRAm	1990.49	EpDEm	1989.46
Num	3	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.8
Q pmDE	1.1	BTmag	10.204	E BTmag	0.035	VTmag	9.738
E VTmag	0.033	Prox	999	TYC	T	HIP
CCDM		RAdeg	259.39516500	DEdeg	-48.92133583	EpRA 1990	1.59
EpDE 1990	1.38	E RAdeg	19.3	E DEdeg	23.6	Posflg
Corr	0.2

SAO

SAO	227784	DelFlag		RA1950		PmRA1950	-0.0023
DE1950		PmDE1950	-0.025	Vmag	9	SpType	F8
Double code		Source	48	CatNum	15955	DM	CP-48 9091
DMcomp		BDsup		HD	156009	M HD	0
GC		RA1950rad	4.51065224	DE1950rad	-0.85289836	PmRA2000	-0.0025
PmDE2000	-0.026

CCDM

Ccdm	17176-4855	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.25	DDEs	-17.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.0	Sp	F8	PmNote	*
PmRA	-23	PmDE	-25	Dm number	-4811564	Cat1	CD
Name2	227784	Cat2	SAO	HD	156009	M HD
ADS BDS		M ADS BDS		N IDS		IDS	17100S4849A
HIC

17176-4855 B

Componente originario normalizzato	AB		Coord arcsec 2000	171734.84-485518.5		Mag	12.7		Calc delta mag	2.96
Calc coord	yes

CCDM

Ccdm	17176-4855	RComp		Comp	B	Note1
Note2		Discov num	I 1601	DRAs		DDEs
R dRAs		Year	1927	Theta	180	Rho	1.0
Obs	1	Vmag	12.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	17100S4849B
HIC