18305-1052 HDS 2623 Aa,Ab (HD 170566)

18^h 30^m 32.26^s -10° 51' 50.4" P.A. 80.00 sep 0.0 mag 8.27,9.94 Sp F2 dist. 150.83 pc (492.01 l.y.)

Coord 2000	18305-1052	Discov num	HDS2623	Comp	Aa,Ab	Coord arcsec 2000	18 30 32.26 -10 51 50.4
Date first	1991	Date last	2020	Obs	6
Pa first	16	Pa last	79.8	P.A. Now (θ)	79.8°
Sep first	0.3	Sep last	0.019	Sep. Now (ρ)	0.019"
Mag pri	8.27	Mag sec	9.94	delta mag (ΔM)	1.67	Spectral class	F2 (yellow-white)
Pri motion ra	-004	Sec motion ra
Pri motion dec	+016	Sec motion dec
Notes	W

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 170566		Constellation	Scutum		HIP	90717		Tycho2	5694-00786-1
HD	170566		BD	BD-10 4709		Distance	150.83		Distance ly	492.01

WDS 18305-1052 HDS 2623 Aa,Ab (HD 170566) : 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
18305-1052	HDS2623	Aa,Ab	2019	4	45	0.0	8.27	9.94	F2	W	183032.26-105150.4
18305-1052	HDS2623	Aa,Ab	2020	5	80	0.0	8.27	9.94	F2	W	183032.26-105150.4

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

WDS 18305-1052 HDS 2623 Aa,Ab (HD 170566) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18305-1052 HDS 2623 Aa,Ab (HD 170566) : MEASURES

No records found.

WDS 18305-1052 (HD 170566) : VIRTUAL EYEPIECE

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WDS 18305-1052 (HD 170566) : ALADIN DSS IMAGE @ 18^h 30^m 32.26^s -10° 51' 50.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18305-1052 HDS 2623 Aa,Ab (HD 170566) : 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		18305-1052	HDS2623	Aa,Ab	80	0.0
Show		18314-1048	STF2325		257	12.4	14
Show		18308-1108	LDS 642		336	80.6	17
Show		18331-1042	HDS2632	AB	24	0.5	39
Show		18331-1042	GII 268	Aa,Ab	138	0.1	39
Show		18276-1039	DAM 320	AB	64	16.5	46
Show		18276-1039	DAM 320	AC	97	8.0	46
Show		18334-1026	BU 642	AB	89	4.2	50
Show		18334-1026	BU 642	AC	30	63.3	50
Show		18311-0958	KPP2767		237	11.7	55
Show		18270-1125	TDT 874		299	0.8	62
Show		18343-1015	DAM 321		53	4.5	67
Show		18285-1013	HJ 5497		224	16.1	73
Show		18362-1053	EGN 23	AB	140	3.5	83
Show		18362-1053	EGN 23	AC	214	8.7	83
Show		18362-1053	EGN 23	AD	233	13.5	83
Show		18362-1053	EGN 23	AE	203	13.6	83
Show		18362-1053	EGN 23	AF	154	14.5	83
Show		18362-1053	EGN 23	AG	213	14.6	83
Show		18362-1053	EGN 23	AH	145	16.4	83
Show		18362-1053	EGN 23	AI	307	19.3	83
Show		18362-1053	EGN 23	AJ	210	18.4	83
Show		18362-1053	EGN 23	AK	171	19.1	83
Show		18362-1053	EGN 23	AL	221	21.1	83
Show		18362-1053	EGN 23	AM	235	21.8	83
Show		18299-1216	HU 68		118	3.1	85
Show		18292-1216	KPP1683		264	13.0	87
Show		18322-0922	BU 247		167	7.9	93
Show		18271-1223	SKF2389		329	4.1	105
Show		18322-1235	RST4016		31	0.9	106
Show		18254-1212	BRT2753		165	4.0	110
Show		18379-1111	BRT2755		132	3.7	111
Show		18365-1159	BAR 10		134	0.4	111
Show		18355-0929	SLE 207		252	16.4	111
Show		18378-1121	HU 70		181	0.2	112
Show		18382-1115	RST4018		63	0.4	115
Show		18234-1137	BVD 126		290	19.2	115
Show		18276-1240	SKF2390		165	0.6	117
Show		18242-1213	HU 63		306	4.1	124
Show		18300-1257	HU 69		233	0.3	126
Show		18271-0853	HDS2608		344	0.1	130
Show		18226-1152	BU 1252		154	0.8	131
Show		18331-0845	HJ 5498	AB	95	14.4	133
Show		18331-0845	HJ 5498	AC	168	25.2	133
Show		18331-0845	ABH 101	AD	124	49.4	133
Show		18331-0845	ABH 101	AE	165	83.6	133
Show		18313-1306	EVS 8		96	12.8	136
Show		18328-1304	J 1745		53	8.8	136
Show		18308-1309	BRT2754		328	4.6	137
Show		18218-1139	HU 62		25	0.5	137
Show		18357-1246	J 2133	BC	321	5.6	141

WDS 18305-1052 : COMPONENTS

	A
Ab	pa=79.6° sep=0.02"

18305-1052 A

Name	HD 170566	Coord arcsec 2000	183032.26-105150.4	Mag	8.27	Spectral class	F2 (yellow-white)
PmRA	-4.00	PmDE	16.0	HIP	90717	Tycho2	5694-00786-1
HD	170566	BD	BD-10 4709

Tycho2

Tycho2	5694-00786-1	Pflag		RAmdeg	277.63440081	DEmdeg	-10.86395480
PmRA	-1.3	PmDE	19.1	E RAmdeg	7	E DEmdeg	8
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.05	EpDEm	1990.84
Num	11	Q RAmdeg	1.4	Q DEmdeg	1.9	Q pmRA	1.4
Q pmDE	2.0	BTmag	8.519	E BTmag	0.018	VTmag	8.004
E VTmag	0.014	Prox	999	TYC	T	HIP	90717
CCDM	AB	RAdeg	277.63440333	DEdeg	-10.86400000	EpRA 1990	1.67
EpDE 1990	1.71	E RAdeg	6.9	E DEdeg	7.7	Posflg	P
Corr	-0.1

Hipparcos

Catalog	H	HIP	90717	Proxy	H	RAhms	18 30 32.26
DEdms	-10 51 50.4	Vmag	7.95	VarFlag		R Vmag	G
RAdeg	277.634	DEdeg	-10.864	AstroRef	*	Plx	8.24
CCDM	18305-1052	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	16	Rho	0.279	HD	170566	BD	BD-10 4709
CD		CP		Dm number	-10 4709	VIred	0.61
SpType	F2	R SpType		Coord arcsec 2000	183032.26-105150.4

Hipparcos 2

HIP	90717	Sn	55	So	3	Nc	2
RArad	4.8456344553	DErad	-0.1896126289	Plx	6.63	PmRA	-3.7
PmDE	15.44	E RArad	1.02	E DErad	0.8	E Plx	1.09
E pmRA	1.27	E pmDE	1.01	Hpmag	8.054	E Hpmag	0.0017
SHp	0.01	VA	0	BV	0.538	E BV	0.015
VI	0.61

18305-1052 Ab

Coord arcsec 2000

183032.26-105150.4

Mag

9.94

Calc delta mag

1.67

Calc coord

yes