17161+6043 STF 2155 AB (HD 156890)

17^h 16^m 04.88^s +60° 42' 49.7" P.A. 113.00 sep 10.0 mag 6.93,9.97 Sp F3III dist. 182.48 pc (595.25 l.y.)

Coord 2000	17161+6043	Discov num	STF2155	Comp	AB	Coord arcsec 2000	17 16 04.88 +60 42 49.7
Date first	1830	Date last	2018	Obs	33
Pa first	116	Pa last	112.7	P.A. Now (θ)	112.7°
Sep first	9.6	Sep last	9.96	Sep. Now (ρ)	9.96"
Mag pri	6.93	Mag sec	9.97	delta mag (ΔM)	3.04	Spectral class	F3III (yellow-white)
Pri motion ra	+004	Sec motion ra	+006
Pri motion dec	+038	Sec motion dec	+039
Notes

rPM=0.057 (< 0.3, Physical double)

This double is physical.

17161+6043 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 156890	17410	17 16 05 +60 42 50	STF 2155 AB	2018	33	113	10.0	6.93	9.97	3.04		<===
Show		17410	17 16 05 +60 42 50	WAL 79 AC	2020	9	81	134.2	6.93	9.78	2.85

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 156890	Constellation	Draco	SAO	17410	HIP	84465
Tycho2	4198-01479-1	Gaia DR2	1437641350585937920	HD	156890	GC	23358
BD	BD+60 1742	Distance	182.48	Distance ly	595.25

WDS 17161+6043 STF 2155 AB (HD 156890) : 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.
Wal1934	Ma j	Wallenquist, A.	1934AnBos...6....3W
Wal1934		Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a	Zw -	Wallenquist, A.	1954MeUpp...85.....
Wal1944a		Medd. Uppsala Obs. #85, 1944
Wal1944a		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a		given for measures; default date = decade of publication added.)
Wal1944b	Zw -	Wallenquist, A.	1954MeUpp...87.....
Wal1944b		Medd. Uppsala Obs. #87, 1944
Wal1944b		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b		given for measures; default date = decade of publication added.)
Wal1947	Zw -	Wallenquist, A.	1947UppAn...2....2W
Wal1947		Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947		(A catalogue containing results of the two prior series, plus additional measures
Wal1947		with the 14-inch refractor and wedge photometer)
Wal1948	Zw -	Wallenquist, A.	1948UppAn...2....3W
Wal1948		Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948		(Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948		and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950	Zd -	Wallenquist, A.	1950MeUpp..103.....
Wal1950		Medd. Uppsala Obs. #103, 1950
Wal1954	Zw -	Wallenquist, A.	1954UppAn...4Q....W
Wal1954		Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954		("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954		values from numerous sources)
Wal1958	Zw -	Wallenquist, A.	1958MeUpp..118.....
Wal1958		Medd. Uppsala Obs. #118, 1958

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17161+6043	STF2155	AB	2006	27	112	9.8	6.93	9.97	F3III	D	171604.88+604249.7
17161+6043	STF2155	AB	2010	28	113	9.8	6.93	9.97	F3III	D	171604.88+604249.7
17161+6043	STF2155	AB	2015	29	113	9.8	6.93	9.97	F3III		171604.88+604249.7
17161+6043	STF2155	AB	2018	31	113	10.0	6.93	9.97	F3III		171604.88+604249.7

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

WDS 17161+6043 STF 2155 AB (HD 156890) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17161+6043 STF 2155 AB (HD 156890) : MEASURES

No records found.

WDS 17161+6043 (HD 156890) : 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 17161+6043 (HD 156890) : ALADIN DSS IMAGE @ 17^h 16^m 04.88^s +60° 42' 49.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17161+6043 STF 2155 AB (HD 156890) : 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		17161+6043	STF2155	AB	113	10.0	1
Show		17161+6043	WAL 79	AC	81	134.2	1
Show		17166+6107	LDS6318		254	8.3	24
Show		17151+6010	LDS1440		85	103.6	34
Show		17196+6113	LDS1443		337	7.6	40
Show		17169+5948	LDS1442	BC	115	5.3	54
Show		17169+5948	LDS1442	AB	10	71.8	56
Show		17103+6001	TDT 244		186	2.3	60
Show		17233+6113	TDT 332		236	2.5	61
Show		17239+6014	FOX 78		39	1.0	66
Show		17170+5932	STI 820		67	12.2	72
Show		17175+5925	DEA 88		303	14.4	79
Show		17269+6054	TDT 353		290	1.1	81
Show		17201+6206	HU 920		317	0.4	89
Show		17276+6131	LDS1446		197	12.7	97
Show		17086+6205	DAM 892		18	2.6	99
Show		17025+6037	KPP4021		79	2.0	100
Show		17020+6008	GRV1130		286	33.3	104
Show		17032+6129	DVG 46		324	30.6	105
Show		17073+5920	MLR 354		289	1.7	106
Show		17161+5854	ES 1794		138	4.0	110
Show		17053+5927	MLR 353		354	0.7	111
Show		17192+6231	ES 1831		276	5.0	111
Show		17051+5927	CVR 197		103	12.4	112
Show		17027+5952	STI 813		66	11.1	112
Show		17145+6234	LDS1439		140	10.7	114
Show		17317+6051	LDS1448	AB	24	86.7	114
Show		17317+6051	DAM 683	AC	255	7.2	114
Show		17317+6051	DAM 683	AD	8	76.0	114
Show		17025+6145	UC 3279		131	12.8	117
Show		17033+5935	STF2128		42	12.2	117
Show		17246+6226	LDS1445		68	91.8	120
Show		17074+6229	HU 918		38	0.2	123
Show		17126+5838	DAM 987		42	2.6	128
Show		17037+5914	UC 3280		339	47.7	129
Show		17128+5837	DAM 989		13	5.2	129
Show		17154+6252	LDS1441		298	194.0	130
Show		16590+5954	GRV1129		315	44.9	130
Show		17195+5832	KR 46		64	1.7	134
Show		17070+5844	GRV1132		176	19.2	135
Show		16576+6027	HDS2398		55	0.5	137
Show		17341+6011	ES 1795		147	2.6	137
Show		17299+6224	LDS1447		37	24.9	142
Show		16588+6151	LDS2405		234	2.4	143
Show		17161+6306	CBL 514		11	31.3	144
Show		17327+5924	MLR 355		209	0.7	148
Show		17307+6231	ES 1832		158	3.3	151
Show		17350+6153	BU 962	AB	301	0.6	153
Show		17350+6153	LDS2736	AB,C	160	737.9	153
Show		17350+6153	SDR 1	AB,D	259	20.0	153
Show		17350+6153	HZE 3	AE	359	3.0	153

WDS 17161+6043 : COMPONENTS

	A	B
B	pa=130.5° sep=5.91"
C	pa=71.1° sep=68.42"	pa=66.7° sep=65.62"

17161+6043 A

Name	HD 156890	Coord arcsec 2000	171604.88+604249.7	Mag	6.93	Spectral class	F3III (yellow-white)
PmRA	4.00	PmDE	38.0	SAO	17410	HIP	84465
Tycho2	4198-01479-1	HD	156890	GC	23358	BD	BD+60 1742

Tycho2

Tycho2	4198-01479-1	Pflag		RAmdeg	259.02037454	DEmdeg	60.71390407
PmRA	4.3	PmDE	37.8	E RAmdeg	4	E DEmdeg	4
E pmRA	2.0	E pmDE	2.0	EpRAm	1991.54	EpDEm	1991.68
Num	7	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.2	BTmag	7.313	E BTmag	0.015	VTmag	6.929
E VTmag	0.010	Prox	98	TYC	T	HIP	84465
CCDM	A	RAdeg	259.02035361	DEdeg	60.71381722	EpRA 1990	1.60
EpDE 1990	1.73	E RAdeg	4.2	E DEdeg	4.0	Posflg
Corr	-0.1

SAO

SAO	17410	DelFlag		RA1950		PmRA1950	0
DE1950		PmDE1950	0.033	Vmag	6.7	SpType	F0
Double code		Source	70	CatNum	23358	DM	BD+60 1742
DMcomp		BDsup		HD	156890	M HD	0
GC	23358	RA1950rad	4.51808378	DE1950rad	1.06057835	PmRA2000	0.0009
PmDE2000	0.034

Hipparcos

Catalog	H	HIP	84465	Proxy	H	RAhms	17 16 04.88
DEdms	+60 42 49.7	Vmag	6.91	VarFlag	1	R Vmag	G
RAdeg	259.02	DEdeg	60.7138	AstroRef	A	Plx	5.33
CCDM	17161+6043	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	113	Rho	9.812	HD	156890	BD	BD+60 1742
CD		CP		Dm number	+60 1742	VIred	0.45
SpType	F0	R SpType		Coord arcsec 2000	171604.88+604249.7

Hipparcos 2

HIP	84465	Sn	15	So	3	Nc	2
RArad	4.5207579814	DErad	1.0596559367	Plx	5.48	PmRA	5.17
PmDE	38.52	E RArad	0.33	E DErad	0.36	E Plx	0.39
E pmRA	0.39	E pmDE	0.4	Hpmag	6.9345	E Hpmag	0.0021
SHp	0.018	VA	2	BV	0.385	E BV	0.015
VI	0.45

CCDM

Ccdm	17161+6043	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.10	DDEs	-10.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.8	Sp	F0	PmNote	*
PmRA	0	PmDE	32	Dm number	+60 1742	Cat1	BD
Name2	17410	Cat2	SAO	HD	156890	M HD
ADS BDS	A10448	M ADS BDS		N IDS		IDS	17149N6049A
HIC	84465

17161+6043 B

Coord arcsec 2000	171605.49+604245.9		Mag	9.97		PmRA	6.00		PmDE	39.0
Calc delta mag	3.04		Calc coord	yes

CCDM

Ccdm	17161+6043	RComp		Comp	B	Note1
Note2		Discov num	STF2155	DRAs		DDEs
R dRAs		Year	1830	Theta	114	Rho	9.8
Obs	12	Vmag	10.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A10448	M ADS BDS		N IDS		IDS	17149N6049B
HIC	84465

17161+6043 C

Coord arcsec 2000	171613.70+604311.8		Mag	9.78		PmRA	-2.00		PmDE	-3.0
Calc delta mag	2.85		Calc coord	yes