18122-1400 HDS 2569 AB (HD 166644)

18^h 12^m 09.00^s -14° 00' 28.4" P.A. 151.00 sep 0.2 mag 10.03,10.51 Sp F0 dist. 277.78 pc (906.12 l.y.)

Coord 2000	18122-1400	Discov num	HDS2569	Comp	AB	Coord arcsec 2000	18 12 09.00 -14 00 28.4
Date first	1991	Date last	1997	Obs	2
Pa first	160	Pa last	150.6	P.A. Now (θ)	150.6°
Sep first	0.2	Sep last	0.156	Sep. Now (ρ)	0.156"
Mag pri	10.03	Mag sec	10.51	delta mag (ΔM)	0.48	Spectral class	F0 (yellow-white)
Pri motion ra	+003	Sec motion ra
Pri motion dec	-009	Sec motion dec
Notes	W

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 166644	Constellation	Serpens	SAO	161173	HIP	89194
Tycho2	5688-00725-1	HD	166644	BD	BD-14 4928	Distance	277.78
Distance ly	906.12

WDS 18122-1400 HDS 2569 AB (HD 166644) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18122-1400	HDS2569	AB	1997	2	151	0.2	10.03	10.51	F0	W	181209.00-140028.4

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WDS 18122-1400 HDS 2569 AB (HD 166644) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18122-1400 HDS 2569 AB (HD 166644) : MEASURES

No records found.

WDS 18122-1400 (HD 166644) : VIRTUAL EYEPIECE

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WDS 18122-1400 (HD 166644) : ALADIN DSS IMAGE @ 18^h 12^m 09.00^s -14° 00' 28.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18122-1400 HDS 2569 AB (HD 166644) : 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		18122-1400	HDS2569	AB	151	0.2
Show		18137-1410	BRT2745		319	5.2	24
Show		18140-1426	BRT2746		67	4.2	38
Show		18143-1306	RST4003		81	0.4	63
Show		18168-1414	J 2204	AB	190	5.9	70
Show		18168-1414	J 2204	AC	351	14.8	70
Show		18168-1414	J 2204	BC	356	20.4	70
Show		18139-1503	RST4002		47	2.5	70
Show		18079-1434	BRT2744		273	3.5	70
Show		18142-1506	RST4004		220	1.6	73
Show		18173-1425	BRT 588		117	3.9	74
Show		18166-1451	BRT 587		338	3.0	82
Show		18125-1522	LV 7	AB	272	3.4	83
Show		18125-1522	LV 7	AC	240	33.7	83
Show		18125-1522	AOT 71	AB,D	153	18.8	83
Show		18179-1415	BRT2748		82	2.8	85
Show		18063-1407	RST3994		281	1.1	86
Show		18071-1444	BRT 585		352	4.9	86
Show		18159-1505	J 2202		185	8.0	86
Show		18182-1347	DCH 18		288	1.4	89
Show		18163-1506	J 2203	AB	90	14.7	91
Show		18163-1506	J 2203	BC	339	5.5	91
Show		18101-1235	GWP2765	AB	281	344.7	91
Show		18184-1344	DBR 290		84	2.6	94
Show		18185-1344	SHN 229		-1	0.1	95
Show		18185-1345	DCH 19		231	0.7	95
Show		18186-1348	SNA 87	Ha,Hb	49	0.0	95
Show		18186-1348	SNA 87	HI	297	2.7	95
Show		18186-1348	SNA 87	HJ	139	3.4	95
Show		18186-1348	SNA 87	HK	68	5.8	95
Show		18186-1348	DCH 26	AB	306	0.2	95
Show		18186-1348	SNA 88	AC	5	3.7	95
Show		18186-1348	SNA 88	AD	246	3.5	95
Show		18186-1348	SNA 88	AE	177	3.8	95
Show		18186-1348	SNA 88	AF	126	5.9	95
Show		18186-1348	SNA 88	AG	305	6.4	95
Show		18186-1347	DBR 291	CD	99	3.1	95
Show		18186-1345	DCH 21		299	0.1	96
Show		18186-1346	DCH 25	EF	295	1.1	96
Show		18186-1341	DCH 20		228	0.5	96
Show		18186-1346	DCH 23	CD	322	0.8	96
Show		18186-1347	DCH 24	AB	30	0.5	96
Show		18187-1349	DCH 34	CD	273	1.2	96
Show		18186-1346	DCH 22	AB	346	0.6	96
Show		18187-1347	DCH 28	AB	225	0.8	96
Show		18187-1349	DCH 35	EF	153	0.7	96
Show		18187-1347	DCH 29	CD	185	1.1	97
Show		18187-1345	SNA 89	AB	344	5.1	97
Show		18187-1345	SNA 89	AC	249	5.1	97
Show		18187-1345	SNA 89	AD	206	5.5	97
Show		18187-1345	SNA 89	AE	241	6.2	97

WDS 18122-1400 : COMPONENTS

	A
B	pa=151.3° sep=0.15"

18122-1400 A

Name	HD 166644	Coord arcsec 2000	181209.00-140028.4	Mag	10.03	Spectral class	F0 (yellow-white)
PmRA	3.00	PmDE	-9.0	SAO	161173	HIP	89194
Tycho2	5688-00725-1	HD	166644	BD	BD-14 4928

Tycho2

Tycho2	5688-00725-1	Pflag		RAmdeg	273.03751588	DEmdeg	-14.00790572
PmRA	2.9	PmDE	-6.7	E RAmdeg	12	E DEmdeg	14
E pmRA	1.1	E pmDE	1.1	EpRAm	1987.95	EpDEm	1986.59
Num	16	Q RAmdeg	1.2	Q DEmdeg	1.0	Q pmRA	1.3
Q pmDE	1.0	BTmag	10.001	E BTmag	0.026	VTmag	9.426
E VTmag	0.022	Prox	999	TYC	T	HIP	89194
CCDM	AB	RAdeg	273.03751194	DEdeg	-14.00789250	EpRA 1990	1.80
EpDE 1990	1.80	E RAdeg	12.9	E DEdeg	15.6	Posflg	P
Corr	-0.1

SAO

SAO	161173	DelFlag		RA1950		PmRA1950	0.0004
DE1950		PmDE1950	-0.006	Vmag	9	SpType	F0
Double code		Source	21	CatNum	6589	DM	BD-14 4928
DMcomp		BDsup		HD	166644	M HD	0
GC		RA1950rad	4.7530078	DE1950rad	-0.24471025	PmRA2000	0.0006
PmDE2000	-0.004

Hipparcos

Catalog	H	HIP	89194	Proxy	H	RAhms	18 12 09.00
DEdms	-14 00 28.4	Vmag	9.36	VarFlag		R Vmag	G
RAdeg	273.038	DEdeg	-14.0079	AstroRef	*	Plx	2.75
CCDM	18122-1400	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	A	M HIP	AB
Theta	160	Rho	0.172	HD	166644	BD	BD-14 4928
CD		CP		Dm number	-14 4928	VIred	0.59
SpType	F0	R SpType		Coord arcsec 2000	181209.00-140028.4

Hipparcos 2

HIP	89194	Sn	55	So	3	Nc	2
RArad	4.7654034251	DErad	-0.2444836975	Plx	3.6	PmRA	3.77
PmDE	-8.99	E RArad	1.59	E DErad	0.99	E Plx	1.82
E pmRA	1.94	E pmDE	1.16	Hpmag	9.4936	E Hpmag	0.0023
SHp	0.02	VA	0	BV	0.52	E BV	0.02
VI	0.59

CCDM

Ccdm	18122-1400	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-3.00	DDEs	-28.4
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp	F0	PmNote	*
PmRA	3	PmDE	-9	Dm number	-14 4928	Cat1	BD
Name2	161173	Cat2	SAO	HD	166644	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	89194

18122-1400 B

Coord arcsec 2000

181209.01-140028.5

Mag

10.51

Calc delta mag

0.48

Calc coord

yes

CCDM

Ccdm	18122-1400	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-3.00	DDEs	-28.6
R dRAs	82	Year	1991	Theta	160	Rho	0.2
Obs	1	Vmag	10.5	Sp		PmNote	*
PmRA	3	PmDE	-9	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	89194