17426+2633 STF 2198 (HD 161112)

17^h 42^m 38.37^s +26° 33' 06.1" P.A. 25.00 sep 7.7 mag 7.63,11.22 Sp K0III dist. 176.68 pc (576.33 l.y.)

Coord 2000	17426+2633	Discov num	STF2198	Comp		Coord arcsec 2000	17 42 38.37 +26 33 06.1
Date first	1829	Date last	2016	Obs	27
Pa first	25	Pa last	24.7	P.A. Now (θ)	24.7°
Sep first	7.7	Sep last	7.734	Sep. Now (ρ)	7.734"
Mag pri	7.63	Mag sec	11.22	delta mag (ΔM)	3.59	Spectral class	K0III (yellow-orange)
Pri motion ra	+027	Sec motion ra	+027
Pri motion dec	+007	Sec motion dec	+007
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 161112	Constellation	Hercules	SAO	85346	HIP	86681
Tycho2	2084-02400-1	Gaia DR2	4594314735439602816	HD	161112	GC	24037
ADS	10731	BD	BD+26 3066	Distance	176.68	Distance ly	576.33

WDS 17426+2633 STF 2198 (HD 161112) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		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
17426+2633	STF2198		2006	19	25	7.7	7.63	11.22	K0III	D	174238.37+263306.1
17426+2633	STF2198		2015	21	25	7.7	7.63	11.22	K0III		174238.37+263306.1
17426+2633	STF2198		2016	27	25	7.7	7.63	11.22	K0III		174238.37+263306.1

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

WDS 17426+2633 STF 2198 (HD 161112) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17426+2633 STF 2198 (HD 161112) : MEASURES

No records found.

WDS 17426+2633 (HD 161112) : 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 17426+2633 (HD 161112) : ALADIN DSS IMAGE @ 17^h 42^m 38.37^s +26° 33' 06.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17426+2633 STF 2198 (HD 161112) : 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		17426+2633	STF2198		25	7.7
Show		17425+2656	TDT 471		220	0.7	24
Show		17412+2648	KPP4050		31	1.5	25
Show		17442+2616	TDT 483		90	0.7	27
Show		17401+2646	BRT3320		103	4.6	36
Show		17424+2710	KPP4053		89	1.3	37
Show		17393+2617	COU 628		309	1.1	48
Show		17383+2657	CVR1705		44	4.9	63
Show		17371+2625	BRT 175		225	0.4	75
Show		17440+2517	TDT 482		19	0.6	79
Show		17397+2746	LDS 999	AB	21	56.4	84
Show		17397+2746	JOD 12	BC	26	0.1	85
Show		17465+2743	AC 7	BC	27	1.0	87
Show		17465+2743	ABT 14	BC,D	10	335.0	87
Show		17465+2743	TRN 2	Aa,Ab	255	1.8	87
Show		17465+2743	STF2220	A,BC	249	35.4	87
Show		17465+2743	ABT 14	AD	5	321.1	87
Show		17488+2708	UC 3417		47	32.6	90
Show		17478+2536	HJ 1304		224	7.5	90
Show		17488+2557	KPP4063	AB	358	4.4	91
Show		17494+2651	BRT3322	AB	166	4.5	93
Show		17491+2601	SLW1213		349	16.4	93
Show		17427+2459	POU3311		123	6.7	94
Show		17352+2635	LAW 5		49	0.2	100
Show		17477+2748	GIC 149	AB	116	75.8	101
Show		17484+2738	TDT 515		282	0.5	101
Show		17477+2748	RAO 379	BC	152	3.9	101
Show		17364+2537	TOB 140		93	23.7	101
Show		17467+2759	ES 469	BC	148	4.2	102
Show		17467+2759	ES 469	AB	266	46.3	102
Show		17350+2641	RAO 377		53	0.1	104
Show		17502+2704	TDT 526		146	0.8	106
Show		17359+2730	GRV 961		25	42.2	106
Show		17432+2447	A 233		237	2.9	107
Show		17405+2450	HJ 1302		149	6.1	107
Show		17372+2754	KUI 83	AB	212	0.3	109
Show		17372+2754	KUI 83	AB,C	65	9.5	109
Show		17507+2627	GRV 967		299	19.1	110
Show		17508+2628	TDT 530		124	2.1	110
Show		17352+2545	WFC 196		104	7.8	111
Show		17406+2443	POU3308		171	3.6	114
Show		17508+2701	CBL 72		173	12.6	114
Show		17447+2443	SKF1764		108	1.2	114
Show		17373+2803	TDT 438		8	0.4	115
Show		17398+2444	POU3306		103	4.7	116
Show		17402+2826	CVR 205		216	14.5	118
Show		17511+2704	YSC 240		153	0.4	119
Show		17490+2511	COU 501		319	1.8	119
Show		17417+2831	ROE 119		324	4.4	120
Show		17425+2434	ENG 62		261	144.5	120
Show		17356+2748	BRT 174		228	3.9	121

WDS 17426+2633 : COMPONENTS

	A
B	pa=22.4° sep=7.60"

17426+2633 A

Componente originario normalizzato	AB	Name	HD 161112	Coord arcsec 2000	174238.37+263306.1	Mag	7.63
Spectral class	K0III (yellow-orange)	PmRA	27.00	PmDE	7.0	SAO	85346
HIP	86681	Tycho2	2084-02400-1	HD	161112	GC	24037
ADS	10731	BD	BD+26 3066

Tycho2

Tycho2	2084-02400-1	Pflag		RAmdeg	265.65988924	DEmdeg	26.55169535
PmRA	23.2	PmDE	-5.4	E RAmdeg	5	E DEmdeg	4
E pmRA	1.6	E pmDE	1.5	EpRAm	1991.32	EpDEm	1991.46
Num	6	Q RAmdeg	2.6	Q DEmdeg	7.2	Q pmRA	2.8
Q pmDE	7.3	BTmag	8.761	E BTmag	0.016	VTmag	7.627
E VTmag	0.010	Prox	78	TYC	T	HIP	86681
CCDM	A	RAdeg	265.65982806	DEdeg	26.55170667	EpRA 1990	1.55
EpDE 1990	1.64	E RAdeg	4.6	E DEdeg	4.3	Posflg
Corr	-0.1

SAO

SAO	85346	DelFlag		RA1950		PmRA1950	0.0022
DE1950		PmDE1950	0.016	Vmag	8	SpType	K0
Double code		Source	70	CatNum	24037	DM	BD+26 3066
DMcomp		BDsup		HD	161112	M HD	0
GC	24037	RA1950rad	4.62787095	DE1950rad	0.46380416	PmRA2000	0.0023
PmDE2000	0.016

Hipparcos

Catalog	H	HIP	86681	Proxy	H	RAhms	17 42 38.36
DEdms	+26 33 06.1	Vmag	7.51	VarFlag		R Vmag	G
RAdeg	265.66	DEdeg	26.5517	AstroRef	A	Plx	4.52
CCDM	17426+2633	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	25	Rho	7.784	HD	161112	BD	BD+26 3066
CD		CP		Dm number	+26 3066	VIred	0.95
SpType	K0III	R SpType		Coord arcsec 2000	174238.36+263306.1

Hipparcos 2

HIP	86681	Sn	15	So	3	Nc	2
RArad	4.6366386677	DErad	0.4634147217	Plx	5.66	PmRA	27.27
PmDE	6.54	E RArad	0.49	E DErad	0.62	E Plx	0.87
E pmRA	0.6	E pmDE	0.8	Hpmag	7.6547	E Hpmag	0.0012
SHp	0.015	VA	0	BV	0.99	E BV	0.015
VI	0.95

CCDM

Ccdm	17426+2633	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.36	DDEs	4.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.0	Sp	K0	PmNote	*
PmRA	27	PmDE	-18	Dm number	+26 3066	Cat1	BD
Name2	+26 1732	Cat2	AGK2/3	HD	161112	M HD
ADS BDS	A10731	M ADS BDS		N IDS		IDS	17386N2636A
HIC	86681

17426+2633 B

Componente originario normalizzato	AB		Coord arcsec 2000	174238.59+263313.1		Mag	11.22		PmRA	27.00
PmDE	7.0		Calc delta mag	3.59		Calc coord	yes

CCDM

Ccdm	17426+2633	RComp		Comp	B	Note1
Note2		Discov num	STF2198	DRAs		DDEs
R dRAs		Year	1829	Theta	026	Rho	7.6
Obs	8	Vmag	12.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A10731	M ADS BDS		N IDS		IDS	17386N2636B
HIC	86681