18117-0023 TDT 732 (HD 166661)

18^h 11^m 41.75^s -00° 22' 31.7" P.A. 47.00 sep 0.4 mag 10.63,10.75

Coord 2000	18117-0023	Discov num	TDT 732	Comp		Coord arcsec 2000	18 11 41.75 -00 22 31.7
Date first	1991	Date last	1991	Obs	1
Pa first	47	Pa last	47.2	P.A. Now (θ)	47.2°
Sep first	0.4	Sep last	0.43	Sep. Now (ρ)	0.43"
Mag pri	10.63	Mag sec	10.75	delta mag (ΔM)	0.12	Spectral class
Pri motion ra	-012	Sec motion ra	-012
Pri motion dec	-006	Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name

HD 166661

Constellation

Serpens

Tycho2

5097-00055-1

166661

WDS 18117-0023 TDT 732 (HD 166661) : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18117-0023	TDT 732		1991	1	47	0.4	10.63	10.75			181141.75-002231.7

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WDS 18117-0023 TDT 732 (HD 166661) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18117-0023 TDT 732 (HD 166661) : MEASURES

No records found.

WDS 18117-0023 (HD 166661) : VIRTUAL EYEPIECE

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WDS 18117-0023 (HD 166661) : ALADIN DSS IMAGE @ 18^h 11^m 41.75^s -00° 22' 31.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18117-0023 TDT 732 (HD 166661) : 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		18117-0023	TDT 732		47	0.4
Show		18110-0020	NSN 151		152	4.0	12
Show		18104+0033	STF2286		315	3.0	22
Show		18110-0000	RST5106		4	1.9	25
Show		18113+0058	CVR 212		346	99.8	37
Show		18140+0009	BAL1193		277	16.5	38
Show		18146+0011	STF2294		93	1.3	45
Show		18087+0034	NSN 702		313	3.7	47
Show		18082-0017	KPP2776		95	3.0	53
Show		18080-0047	RST5102		305	3.6	61
Show		18075+0029	CBL 166		347	45.1	64
Show		18163+0000	J 2512		204	3.9	73
Show		18166-0058	RST5109		114	2.1	82
Show		18061-0022	A 1167		149	5.1	85
Show		18119-0104	RST5107		157	0.4	87
Show		18123+0154	A 2260	AB	107	1.9	92
Show		18123+0154	RAO 66	AC	72	17.2	92
Show		18054-0019	A 1166		90	0.6	95
Show		18056+0051	J 518		142	5.1	96
Show		18117+0200	BAL1499		151	6.3	98
Show		18121+0207	BAL1957		231	8.7	106
Show		18061+0127	BAL1497		160	7.2	106
Show		18079+0153	OSO 93	AB	21	12.7	107
Show		18079+0153	OSO 93	AC	295	13.1	107
Show		18079+0153	OSO 93	AD	171	17.6	107
Show		18079+0153	OSO 93	AE	66	21.7	107
Show		18079+0153	OSO 93	AF	194	20.9	107
Show		18103+0209	DAL 18	AB	274	12.5	109
Show		18103+0209	DAL 18	AC	314	45.0	109
Show		18083+0209	BAL1954		226	13.6	118
Show		18069+0159	BAL1498		255	3.0	120
Show		18065-0109	HDS2552		325	0.2	121
Show		18081+0213	BU 636	AB	120	1.4	123
Show		18081+0213	BU 636	AC	93	11.7	123
Show		18081+0213	BU 636	AD	348	40.8	123
Show		18081+0213	GII 259	Aa,Ab	168	0.1	123
Show		18129+0228	HEI 559		173	0.8	128
Show		18032+0047	BAL1192		257	4.7	129
Show		18036+0107	KPP 571		11	5.3	130
Show		18083+0230	NYS 7	BC	84	16.0	130
Show		18083+0230	BAL1953	AB	122	17.1	131
Show		18104+0232	STF2288		58	15.9	131
Show		18080+0222	WLY 9		94	16.4	132
Show		18103+0235	BU 638	BC	4	1.8	134
Show		18103+0235	STF2287	AB	153	22.9	135
Show		18103+0235	BU 638	AD	222	59.7	135
Show		18103+0235	BU 638	AE	344	13.7	135
Show		18185-0105	TDT 786		45	2.3	135
Show		18076+0224	BAL1952		153	13.5	137
Show		18152+0229	BAL1961		358	17.4	138
Show		18074+0227	BAL1951		251	3.2	141

WDS 18117-0023 : COMPONENTS

	A
B	pa=47.2° sep=0.43"

18117-0023 A

Componente originario normalizzato	AB		Name	HD 166661		Coord arcsec 2000	181141.75-002231.7		Mag	10.63
PmRA	-12.00		PmDE	-6.0

18117-0023 B

Componente originario normalizzato	AB		Coord arcsec 2000	181141.77+002232.0		Mag	10.75		PmRA	-12.00
PmDE	-6.0		Calc delta mag	0.12		Calc coord	yes