17308+3201 ZHN 31

17^h 30^m 49.54^s +32° 01' 23.9" P.A. 259.00 sep 7.1 mag 17.10,18.60 Sp sdK8+sdM3

Coord 2000	17308+3201	Discov num	ZHN 31	Comp		Coord arcsec 2000	17 30 49.54 +32 01 23.9
Date first	1998	Date last	2016	Obs	8
Pa first	260	Pa last	258.5	P.A. Now (θ)	258.5°
Sep first	7.2	Sep last	7.075	Sep. Now (ρ)	7.075"
Mag pri	17.10	Mag sec	18.60	delta mag (ΔM)	1.5	Spectral class	sdK8+sdM3
Pri motion ra	-087	Sec motion ra	-100
Pri motion dec	+086	Sec motion dec	+080
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.112 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Gaia DR2

4601636516510641792

WDS 17308+3201 ZHN 31 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Zhn2010	Es j	Zhang, Z.H., Pinfield, D.J., Day-Jones, A.C., Burningham, B., Jones, H.R.A.,	2010MNRAS.404.1817Z
Zhn2010	+E2	Yu, S., Jenkins, J.S., Han, Z., et al.
Zhn2010	+Ek	MNRAS 404, 1817, 2010
Zhn2010		(Paper gives no dates or position angles. Coarse date of 2007 assigned to all
Zhn2010		UKIDSS photometry. Approximate theta value for eta Cnc determined from Aladin
Zhn2010		image; match against 2MASS Catalog generated new rho and theta values)
Zhn2013	Es -	Zhang, Z.H., Pinfield, D.J., Burningham, B., Jones, H.R.A., Galvez-Ortiz, M.C.,	2013MNRAS.434.1005Z
Zhn2013		Catalan, S., Smart, R.L., Lepine, S., Clarke, J.R.A., Pavlenko, Ya.V., Murray, D.,
Zhn2013		Kuznetsov, M.K., et al.
Zhn2013		MNRAS 434, 1005, 2013
Zhn2013		(Paper gives no dates or position angles. Coarse date of 2005.5 assigned to all Es
Zhn2013		photometry.)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17308+3201	ZHN 31		1998	1	260	7.2	17.10	18.60	sdK8+sdM3	V R	173049.54+320123.9
17308+3201	ZHN 31		2000	1	261	7.0	17.10	18.60	sdK8+sdM3	V R	173049.54+320123.9
17308+3201	ZHN 31		2015	2	259	7.1	17.10	18.60	sdK8+sdM3	V R	173049.54+320123.9
17308+3201	ZHN 31		2016	8	259	7.1	17.10	18.60	sdK8+sdM3	V R	173049.54+320123.9

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WDS 17308+3201 ZHN 31 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17308+3201 ZHN 31 : MEASURES

No records found.

WDS 17308+3201 : VIRTUAL EYEPIECE

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WDS 17308+3201 : ALADIN DSS IMAGE @ 17^h 30^m 49.54^s +32° 01' 23.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17308+3201 ZHN 31 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17308+3201	ZHN 31		259	7.1
Show		17302+3222	COU 806		102	5.6	22
Show		17300+3138	LDS4746		39	8.5	26
Show		17305+3132	KPP2117		149	17.2	31
Show		17294+3243	STF2175		9	13.3	45
Show		17294+3245	STF2174		331	5.4	48
Show		17338+3131	TDT 415		220	0.8	49
Show		17274+3128	HJL1093		326	187.8	56
Show		17272+3235	TDT 362		156	0.3	57
Show		17321+3106	LDS4750		19	8.9	58
Show		17266+3130	UC 3341		122	5.5	63
Show		17359+3205	COU 807		143	0.7	65
Show		17267+3105	LDS 995		200	68.1	78
Show		17348+3100	LDS4756		135	135.0	80
Show		17246+3215	H N 5	AB	356	24.6	81
Show		17246+3215	H N 5	AC	181	37.2	81
Show		17246+3215	H N 5	AD	15	152.3	81
Show		17270+3306	CBL 517		312	39.9	81
Show		17365+3243	SEI 543	AB	178	7.3	83
Show		17365+3243	WAL 84	AC	94	34.5	83
Show		17300+3035	GRV 957		30	11.5	88
Show		17299+3035	SLE 29		74	37.6	88
Show		17372+3124	TDT 435	Aa,Ab	15	0.4	90
Show		17372+3124	SEI 544	AB	276	9.7	90
Show		17316+3334	OSW 31		255	16.8	94
Show		17301+3025	TDT 383		242	1.1	97
Show		17380+3124	TDT 444		212	1.3	100
Show		17317+3019	STF2181	AB	328	33.0	103
Show		17317+3019	STF2181	AC	218	37.7	103
Show		17317+3019	SLE 27	AD	25	164.5	103
Show		17277+3024	HO 416	AB	97	4.5	106
Show		17277+3024	SLE 28	AC	275	79.1	106
Show		17239+3300	LDS5854		60	6.1	106
Show		17249+3045	B 2544		200	1.2	108
Show		17248+3044	BU 1250		118	1.9	109
Show		17395+3157	KPP2533		270	22.8	111
Show		17313+3008	RAO 375		181	0.7	114
Show		17383+3059	TDT 445		176	0.6	114
Show		17400+3144	SEI 545		325	11.4	118
Show		17222+3247	COU 626		272	4.2	119
Show		17273+3354	CVR 201		353	52.9	122
Show		17345+3354	SKF1763		19	3.6	122
Show		17299+3407	KPP 398		122	4.7	126
Show		17380+3330	JNN 115		151	1.0	127
Show		17207+3228	DOR 1	AB	340	308.1	132
Show		17207+3228	ARN 14	AD	60	396.4	132
Show		17207+3228	ARN 14	AE	51	302.2	132
Show		17207+3228	ARN 14	AF	101	374.0	132
Show		17341+2959	ES 468		11	2.3	133
Show		17346+2958	MAB 1	AB	27	0.6	133
Show		17407+3117	HDS2501	Aa,Ab	78	0.8	134

WDS 17308+3201 : COMPONENTS

	A
B	pa=256.5° sep=6.04"

17308+3201 A

Componente originario normalizzato	AB		Coord arcsec 2000	173049.54+320123.9		Mag	17.1		Spectral class	sdK8
PmRA	-87.00		PmDE	86.0

17308+3201 B

Componente originario normalizzato	AB		Coord arcsec 2000	173049.08+320122.5		Mag	18.6		Spectral class	sdM3
PmRA	-100.00		PmDE	80.0		Calc delta mag	1.5		Calc coord	yes