17459+2153 STT 335 (HD 161658)

17^h 45^m 54.77^s +21° 53' 17.4" P.A. 140.00 sep 24.8 mag 8.31,9.22 Sp A0 dist. 125 pc (407.75 l.y.)

Coord 2000	17459+2153	Discov num	STT 335	Comp		Coord arcsec 2000	17 45 54.77 +21 53 17.4
Date first	1830	Date last	2017	Obs	41
Pa first	145	Pa last	140.2	P.A. Now (θ)	140.2°
Sep first	18.0	Sep last	24.807	Sep. Now (ρ)	24.807"
Mag pri	8.31	Mag sec	9.22	delta mag (ΔM)	0.91	Spectral class	A0 (white)
Pri motion ra	-009	Sec motion ra	-009
Pri motion dec	+004	Sec motion dec	+005
Notes	N (See Notes)

rPM=0.097 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 161658	Constellation	Hercules	SAO	85387	HIP	86941
Tycho2	1564-03983-1	Gaia DR2	4556127768900025728	HD	161658	ADS	10774
DM	BD+21 3209	BD	BD+21 3208	Distance	125	Distance ly	407.75

WDS 17459+2153 STT 335 (HD 161658) : NOTES

discov_num	notes	refcode
STT 335	B is BD+21@3209.

REFERENCES

refcode	metd	author	reference
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		cited in ADS (Aitken Double Star Cat., 1932)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17459+2153	STT 335		2003	30	140	24.7	8.31	9.22	A0	N D	174554.77+215317.4
17459+2153	STT 335		2012	32	140	25.0	8.31	9.22	A0	N D	174554.77+215317.4
17459+2153	STT 335		2015	34	140	25.0	8.31	9.22	A0	N	174554.77+215317.4
17459+2153	STT 335		2017	35	140	24.8	8.31	9.22	A0	N	174554.77+215317.4

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

WDS 17459+2153 STT 335 (HD 161658) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17459+2153 STT 335 (HD 161658) : MEASURES

Records found: 1

Show	date	username	difficulty	sep	sep_sigma	pa	pa_sigma	delta_mag	#	notes
Show	12/07/18	Robert		26.00	0.00	138.00	0.00		2

WDS 17459+2153 (HD 161658) : 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 17459+2153 (HD 161658) : ALADIN DSS IMAGE @ 17^h 45^m 54.77^s +21° 53' 17.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17459+2153 STT 335 (HD 161658) : 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		17459+2153	STT 335		140	24.8
Show		17441+2202	KPP4057	AB	88	5.9	27
Show		17481+2205	DAM 860		314	6.0	34
Show		17464+2229	KPP4060		7	2.8	37
Show		17433+2137	DUQ 1	Aa,Ab	283	0.2	41
Show		17433+2137	ALP 31	AB	189	23.0	41
Show		17452+2107	COU 630		124	0.2	47
Show		17427+2138	BRT2438		354	3.1	48
Show		17445+2236	HU 1286		269	3.2	48
Show		17473+2241	COU 633	AB	237	3.0	52
Show		17473+2241	GII 252	Aa,Ab	140	0.2	52
Show		17436+2237	HU 1285		211	0.5	54
Show		17421+2127	DRD 1		352	17.2	61
Show		17496+2226	COU 502		40	2.0	61
Show		17418+2130	COU 114		261	0.1	62
Show		17420+2127	STF2197		357	7.9	64
Show		17432+2245	COU 629		207	4.0	65
Show		17474+2300	POU3312		94	8.5	70
Show		17410+2214	SMA 78		238	17.1	72
Show		17421+2103	A 1371		113	0.1	73
Show		17416+2111	STF2196		257	3.3	74
Show		17445+2304	KPP3321		201	9.1	74
Show		17414+2111	STF2195		286	21.6	76
Show		17404+2144	BRT2436		187	5.6	77
Show		17422+2302	UC 3385		139	24.3	86
Show		17484+2314	POU3313		137	20.4	88
Show		17434+2032	UC 3390		41	23.6	90
Show		17506+2046	GRV 966		84	27.8	94
Show		17411+2302	LDS4759		105	47.9	96
Show		17422+2031	BRT2437		58	4.1	97
Show		17429+2019	COU 29		191	2.6	103
Show		17428+2017	COU 28		169	3.5	104
Show		17386+2219	COU 316	BC	276	2.3	106
Show		17386+2219	COU 316	AB	186	34.2	106
Show		17387+2106	KPP3320		250	1.7	111
Show		17486+2339	BAR 8		238	1.2	113
Show		17422+2333	TDT 467		282	0.7	113
Show		17402+2318	TDT 458		302	2.6	116
Show		17534+2056	HO 562		257	3.6	120
Show		17520+2317	TDT 541		223	0.6	120
Show		17406+2017	AG 211		130	2.7	122
Show		17393+2316	TDT 451		222	1.9	123
Show		17370+2150	BRT2435		300	2.9	125
Show		17420+2349	POU3310		3	20.0	127
Show		17526+2323	POU3317		164	13.5	129
Show		17551+2137	KPP4067		301	31.9	129
Show		17378+2257	AG 210	AB	190	4.2	130
Show		17378+2257	FYM 246	AC	339	11.2	130
Show		17471+1945	UC 3405	AB	259	27.2	130
Show		17471+1945	UC 3405	AC	226	1.2	130
Show		17536+2307	HJ 2813		223	21.3	130

WDS 17459+2153 : COMPONENTS

	A
B	pa=142.3° sep=24.09"

17459+2153 A

Componente originario normalizzato	AB	Name	HD 161658	Coord arcsec 2000	174554.77+215317.4	Mag	8.31
Spectral class	A0 (white)	PmRA	-9.00	PmDE	4.0	SAO	85387
HIP	86941	Tycho2	1564-03983-1	HD	161658	ADS	10774
BD	BD+21 3208

Tycho2

Tycho2	1564-03983-1	Pflag		RAmdeg	266.47822770	DEmdeg	21.88817634
PmRA	-8.6	PmDE	6.4	E RAmdeg	6	E DEmdeg	6
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.21	EpDEm	1991.07
Num	10	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.9
Q pmDE	1.1	BTmag	8.465	E BTmag	0.015	VTmag	8.305
E VTmag	0.012	Prox	250	TYC	T	HIP	86941
CCDM	A	RAdeg	266.47824972	DEdeg	21.88816194	EpRA 1990	1.74
EpDE 1990	1.67	E RAdeg	5.7	E DEdeg	5.5	Posflg
Corr	-0.2

SAO

SAO	85387	DelFlag		RA1950		PmRA1950	-0.0004
DE1950		PmDE1950	0.005	Vmag	7.9	SpType	A0
Double code		Source	35	CatNum	6121	DM	BD+21 3208
DMcomp		BDsup		HD	161658	M HD	0
GC		RA1950rad	4.64169237	DE1950rad	0.38234024	PmRA2000	-0.0003
PmDE2000	0.006

Hipparcos

Catalog	H	HIP	86941	Proxy		RAhms	17 45 54.78
DEdms	+21 53 17.4	Vmag	8.28	VarFlag		R Vmag	H
RAdeg	266.478	DEdeg	21.8882	AstroRef	A	Plx	4.22
CCDM	17459+2153	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	A	M HIP
Theta		Rho		HD	161658	BD	BD+21 3208
CD		CP		Dm number	+21 3208	VIred	0.11
SpType	A0	R SpType		Coord arcsec 2000	174554.78+215317.4

Hipparcos 2

HIP	86941	Sn	95	So	3	Nc	1
RArad	4.650922884	DErad	0.3820205266	Plx	8	PmRA	-9.98
PmDE	8.23	E RArad	0.81	E DErad	0.87	E Plx	1.36
E pmRA	0.98	E pmDE	1.01	Hpmag	8.3379	E Hpmag	0.008
SHp	0.031	VA	0	BV	0.144	E BV	0.015
VI	0.16

CCDM

Ccdm	17459+2153	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.72	DDEs	16.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.1	Sp	A0	PmNote	*
PmRA	-21	PmDE	-22	Dm number	+21 3208	Cat1	BD
Name2	+21 1740	Cat2	AGK2/3	HD	161658	M HD
ADS BDS	A10774	M ADS BDS		N IDS		IDS	17417N2156A
HIC	86941

17459+2153 B

Componente originario normalizzato	AB	Coord arcsec 2000	174555.83+215258.3	Mag	9.22	PmRA	-9.00
PmDE	5.0	HIP	86942	Tycho2	1564-03984-1	ADS	10774
BD	BD+21 3209	Calc delta mag	0.91	Calc coord	yes

Tycho2

Tycho2	1564-03984-1	Pflag	P	RAmdeg	266.48311077	DEmdeg	21.88289608
PmRA	-9.2	PmDE	5.3	E RAmdeg	11	E DEmdeg	10
E pmRA	1.1	E pmDE	1.1	EpRAm	1990.58	EpDEm	1990.64
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.6	Q pmRA	0.6
Q pmDE	0.6	BTmag	9.471	E BTmag	0.020	VTmag	9.215
E VTmag	0.018	Prox	15	TYC	T	HIP	86942
CCDM	B	RAdeg	266.48310694	DEdeg	21.88286056	EpRA 1990	1.74
EpDE 1990	1.70	E RAdeg	11.0	E DEdeg	9.9	Posflg	D
Corr	-0.2

Hipparcos

Catalog	H	HIP	86942	Proxy		RAhms	17 45 55.95
DEdms	+21 52 58.3	Vmag	9.24	VarFlag		R Vmag	H
RAdeg	266.483	DEdeg	21.8829	AstroRef	B	Plx	5.6
CCDM	17459+2153	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	I	Qual	A	M HIP
Theta		Rho		HD	161658	BD	BD+21 3209
CD		CP		Dm number	+21 3209	VIred	0.28
SpType	A5	R SpType		Coord arcsec 2000	174555.95+215258.3

Hipparcos 2

HIP	86942	Sn	95	So	3	Nc	1
RArad	4.6510076642	DErad	0.3819281594	Plx	6.99	PmRA	-8.94
PmDE	9.56	E RArad	2.1	E DErad	2.29	E Plx	3.61
E pmRA	2.55	E pmDE	2.77	Hpmag	9.2794	E Hpmag	0.0146
SHp	0	VA	0	BV	0.309	E BV	0.029
VI	0.35

CCDM

Ccdm	17459+2153	RComp		Comp	B	Note1
Note2		Discov num	STT 335	DRAs	1.97	DDEs	-2.2
R dRAs	10	Year	1846	Theta	140	Rho	25.0
Obs	12	Vmag	9.2	Sp		PmNote	*
PmRA	-2	PmDE	-8	Dm number	+21 3209	Cat1	BD
Name2	+21 1741	Cat2	AGK2/3	HD		M HD
ADS BDS	A10774	M ADS BDS		N IDS		IDS	17417N2156B
HIC	86942