17556+0204 HDS 2527 (HD 163346)

17^h 55^m 37.51^s +02° 04' 29.7" P.A. 111.00 sep 0.1 mag 7.42,7.92 Sp A3 dist. 226.76 pc (739.69 l.y.)

Coord 2000	17556+0204	Discov num	HDS2527	Comp		Coord arcsec 2000	17 55 37.51 +02 04 29.7
Date first	1991	Date last	2021	Obs	10
Pa first	205	Pa last	111.3	P.A. Now (θ)	111.3°
Sep first	0.1	Sep last	0.097	Sep. Now (ρ)	0.097"
Mag pri	7.42	Mag sec	7.92	delta mag (ΔM)	0.5	Spectral class	A3 (white)
Pri motion ra	+008	Sec motion ra
Pri motion dec	+004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 163346	Constellation	Ophiuchus	SAO	122922	HIP	87761
Tycho2	0421-01662-1	Gaia DR2	4468813931327385600	HD	163346	GC	24373
BD	BD+02 3427	Distance	226.76	Distance ly	739.69

WDS 17556+0204 HDS 2527 (HD 163346) : 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
17556+0204	HDS2527		1991	1	205	0.1	7.42	7.92	A3		175537.51+020429.7
17556+0204	HDS2527		2006	2	171	0.1	7.42	7.92	A3		175537.51+020429.7
17556+0204	HDS2527		2014	6	138	0.1	7.42	7.92	A3		175537.51+020429.7
17556+0204	HDS2527		2017	7	126	0.1	7.42	7.92	A3		175537.51+020429.7
17556+0204	HDS2527		2018	8	123	0.1	7.42	7.92	A3		175537.51+020429.7
17556+0204	HDS2527		2021	9	111	0.1	7.42	7.92	A3		175537.51+020429.7

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

WDS 17556+0204 HDS 2527 (HD 163346) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17556+0204 HDS 2527 (HD 163346) : MEASURES

No records found.

WDS 17556+0204 (HD 163346) : VIRTUAL EYEPIECE

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WDS 17556+0204 (HD 163346) : ALADIN DSS IMAGE @ 17^h 55^m 37.51^s +02° 04' 29.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17556+0204 HDS 2527 (HD 163346) : 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		17556+0204	HDS2527		111	0.1
Show		17569+0156	J 2118		264	5.6	19
Show		17571+0215	J 3299		329	2.3	25
Show		17559+0139	BAL1493		27	9.3	27
Show		17530+0204	BAL1946		31	6.8	40
Show		17529+0155	BAL1492		59	6.8	41
Show		17590+0202	STF2252	AB	23	4.0	52
Show		17590+0202	STF2252	AC	165	95.1	52
Show		17520+0211	BAL1945		245	6.0	55
Show		17563+0259	A 2189		288	0.1	56
Show		17562+0108	BAL1494		176	14.5	57
Show		17578+0253	HDS2532		192	0.2	58
Show		17566+0103	RST5444		256	1.4	63
Show		17540+0303	OSO 87	AB	108	5.5	64
Show		17540+0303	OSO 87	AC	1	6.0	64
Show		17540+0303	OSO 87	AD	187	6.8	64
Show		17540+0303	OSO 87	AE	228	11.7	64
Show		17540+0303	OSO 87	AF	3	17.5	64
Show		17540+0303	OSO 87	AG	145	19.9	64
Show		17575+0306	BAL2461		194	3.8	68
Show		17591+0119	BAL1495		67	7.3	69
Show		17518+0244	BAL1944		302	3.2	70
Show		17536+0308	BAL2459		333	7.0	71
Show		17555+0316	GWP2745		285	32.7	72
Show		17572+0056	CVR 209		308	71.6	73
Show		17519+0254	STF2233	AB	66	2.3	75
Show		17519+0254	STF2233	AC	138	23.5	75
Show		17519+0254	STF2233	AD	232	29.5	75
Show		17590+0259	BAL2462		97	5.8	76
Show		17560+0320	J 1332		32	2.5	77
Show		17519+0300	HWE 41		218	3.2	79
Show		17521+0107	S 694		238	79.3	79
Show		17592+0304	BAL2464		231	3.0	80
Show		18008+0135	BAL1496		163	16.4	83
Show		17540+0324	BAL2460		113	13.0	83
Show		17569-0044	GWP2747		312	2.8	84
Show		17501+0214	A 2187		322	0.6	84
Show		17543+0328	A 2188		167	0.1	86
Show		17579+0328	J 1333		352	2.8	92
Show		18006+0256	BU 1124	AB	196	6.6	92
Show		18006+0256	H 6 2	AC	143	54.7	92
Show		18006+0256	BU 634	AE	180	45.1	92
Show		18006+0256	BU 634	CD	120	6.2	92
Show		18006+0256	BU 634	CE	266	33.3	92
Show		17585+0043	CVR 210		214	108.4	93
Show		17553+0031	NSN 700		207	37.1	94
Show		17568-0032	GWP2746		14	16.6	94
Show		17591+0323	BAL2463		38	17.1	95
Show		17512+0311	BAL2454		91	13.5	95
Show		17512+0317	BAL2455		351	17.8	99
Show		17518-0046	RST5094		96	0.7	100

WDS 17556+0204 : COMPONENTS

	A
B	pa=111.3° sep=0.10"

17556+0204 A

Componente originario normalizzato	AB	Name	HD 163346	Coord arcsec 2000	175537.51+020429.7	Mag	7.42
Spectral class	A3 (white)	PmRA	8.00	PmDE	4.0	SAO	122922
HIP	87761	Tycho2	0421-01662-1	HD	163346	GC	24373
BD	BD+02 3427

Tycho2

Tycho2	0421-01662-1	Pflag		RAmdeg	268.90629440	DEmdeg	2.07492784
PmRA	5.2	PmDE	2.2	E RAmdeg	4	E DEmdeg	5
E pmRA	1.0	E pmDE	1.1	EpRAm	1991.27	EpDEm	1991.22
Num	16	Q RAmdeg	1.0	Q DEmdeg	0.8	Q pmRA	1.0
Q pmDE	0.7	BTmag	7.449	E BTmag	0.015	VTmag	6.853
E VTmag	0.010	Prox	999	TYC	T	HIP	87761
CCDM	AB	RAdeg	268.90628222	DEdeg	2.07492278	EpRA 1990	1.62
EpDE 1990	1.62	E RAdeg	4.4	E DEdeg	4.6	Posflg	P
Corr	0.0

SAO

SAO	122922	DelFlag		RA1950		PmRA1950	-0.0002
DE1950		PmDE1950	0.007	Vmag	6.7	SpType	A3
Double code		Source	70	CatNum	24373	DM	BD+02 3427
DMcomp		BDsup		HD	163346	M HD	0
GC	24373	RA1950rad	4.68228987	DE1950rad	0.03633331	PmRA2000	0
PmDE2000	0.007

Hipparcos

Catalog	H	HIP	87761	Proxy	H	RAhms	17 55 37.51
DEdms	+02 04 29.7	Vmag	6.77	VarFlag		R Vmag	H
RAdeg	268.906	DEdeg	2.07492	AstroRef	*	Plx	5.07
CCDM	17556+0204	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	A	M HIP	AB
Theta	205	Rho	0.127	HD	163346	BD	BD+02 3427
CD		CP		Dm number	+02 3427	VIred	0.63
SpType	A3	R SpType		Coord arcsec 2000	175537.51+020429.7

Hipparcos 2

HIP	87761	Sn	55	So	3	Nc	2
RArad	4.6932999563	DErad	0.0362142376	Plx	4.41	PmRA	6.36
PmDE	4.54	E RArad	0.64	E DErad	0.54	E Plx	0.76
E pmRA	0.78	E pmDE	0.71	Hpmag	6.8914	E Hpmag	0.0009
SHp	0.008	VA	0	BV	0.574	E BV	0.01
VI	0.65

CCDM

Ccdm	17556+0204	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.51	DDEs	29.8
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	7.4	Sp	A3	PmNote	*
PmRA	8	PmDE	4	Dm number	+02 3427	Cat1	BD
Name2	+02 2166	Cat2	AGK2/3	HD	163346	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	87761

17556+0204 B

Componente originario normalizzato	AB		Coord arcsec 2000	175537.52+020429.7		Mag	7.92		Calc delta mag	0.5
Calc coord	yes

CCDM

Ccdm	17556+0204	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	1.51	DDEs	29.7
R dRAs	82	Year	1991	Theta	205	Rho	0.1
Obs	1	Vmag	7.9	Sp		PmNote	*
PmRA	8	PmDE	4	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	87761