17589-0331 HDS 2536 (HD 163950)

17^h 58^m 53.11^s -03° 30' 53.4" P.A. 8.00 sep 0.2 mag 9.71,10.53 Sp A3 dist. 261.78 pc (853.93 l.y.)

Coord 2000	17589-0331	Discov num	HDS2536	Comp		Coord arcsec 2000	17 58 53.11 -03 30 53.4
Date first	1991	Date last	2021	Obs	3
Pa first	349	Pa last	8.2	P.A. Now (θ)	8.2°
Sep first	0.2	Sep last	0.21	Sep. Now (ρ)	0.21"
Mag pri	9.71	Mag sec	10.53	delta mag (ΔM)	0.82	Spectral class	A3 (white)
Pri motion ra	-001	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 163950	Constellation	Serpens	SAO	142003	HIP	88032
Tycho2	5087-00604-1	Gaia DR2	4177432393512172672	HD	163950	BD	BD-03 4212
Distance	261.78	Distance ly	853.93

WDS 17589-0331 HDS 2536 (HD 163950) : 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
17589-0331	HDS2536		1991	1	349	0.2	9.71	10.53	A3		175853.11-033053.4
17589-0331	HDS2536		2021	2	8	0.2	9.71	10.53	A3		175853.11-033053.4

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

WDS 17589-0331 HDS 2536 (HD 163950) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17589-0331 HDS 2536 (HD 163950) : MEASURES

No records found.

WDS 17589-0331 (HD 163950) : VIRTUAL EYEPIECE

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WDS 17589-0331 (HD 163950) : ALADIN DSS IMAGE @ 17^h 58^m 53.11^s -03° 30' 53.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17589-0331 HDS 2536 (HD 163950) : 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		17589-0331	HDS2536		8	0.2
Show		17594-0344	RST4580		34	0.8	15
Show		17585-0350	RST4579		143	0.1	20
Show		17593-0244	KPP1353		189	10.2	48
Show		18018-0258	HTP 46	AB	172	8.8	55
Show		18018-0258	HTP 46	AC	136	8.4	55
Show		18018-0258	HTP 46	AD	109	10.9	55
Show		18018-0258	HTP 46	AE	259	12.9	55
Show		18018-0258	HTP 46	AF	354	13.9	55
Show		18018-0258	HTP 46	AG	255	14.0	55
Show		18018-0258	HTP 46	AH	312	14.3	55
Show		18018-0258	HTP 46	AI	61	14.5	55
Show		18018-0258	HTP 46	AJ	156	16.8	55
Show		18018-0258	HTP 46	AK	115	17.5	55
Show		18018-0258	HTP 46	AL	197	18.7	55
Show		18018-0258	HTP 46	AM	135	19.4	55
Show		18018-0258	HTP 46	AN	74	19.8	55
Show		18018-0258	HTP 46	AO	251	21.3	55
Show		18018-0258	HTP 46	AP	52	21.4	55
Show		18018-0258	HTP 46	AQ	54	25.1	55
Show		17587-0428	BRT 473		119	1.8	57
Show		18004-0432	SUB 8		234	23.7	65
Show		17545-0328	TOK 612		191	597.9	66
Show		17579-0223	BRT 472		118	3.7	69
Show		18030-0253	BRT 474		52	4.6	73
Show		18027-0236	RST4581		218	0.6	79
Show		18030-0237	A 35	AB	297	1.4	83
Show		18030-0237	GII 257	Aa,Ab	286	0.1	83
Show		17535-0355	TOK 54		265	0.1	84
Show		17591-0503	LSC 82		150	0.5	93
Show		17525-0359	RST4578	AB	14	2.2	100
Show		17525-0359	GII 253	Aa,Ab	151	0.1	100
Show		17556-0503	RST5545	AB	283	1.0	105
Show		17556-0503	GII 255	Aa,Ab	156	0.1	105
Show		17519-0329	LEO 14	AB	75	1.1	106
Show		17519-0329	LEO 14	AC	250	61.1	106
Show		18035-0205	TDS 900		47	0.8	111
Show		17599-0525	A 34		290	1.4	116
Show		17530-0215	STF2235		124	20.3	117
Show		17548-0150	RST5096		166	0.5	118
Show		17577-0134	KPP2769		267	2.3	118
Show		18057-0433	HJ 5016		88	12.2	120
Show		18018-0133	GWP2757		273	84.1	126
Show		17503-0335	RST4577		111	0.3	128
Show		18063-0443	TDT 684		244	0.5	133
Show		18040-0135	BAL 579		359	7.1	139
Show		18008-0552	RST5546	AB	130	1.0	142
Show		17526-0519	HO 422		7	0.2	144
Show		18078-0431	NSN 143		81	7.7	147
Show		17511-0149	GWP2742	AB	69	121.4	156
Show		17511-0149	KPP4391	AC	338	3.1	156

WDS 17589-0331 : COMPONENTS

	A
B	pa=8.2° sep=0.21"

17589-0331 A

Componente originario normalizzato	AB	Name	HD 163950	Coord arcsec 2000	175853.11-033053.4	Mag	9.71
Spectral class	A3 (white)	PmRA	-1.00	PmDE	2.0	SAO	142003
HIP	88032	Tycho2	5087-00604-1	HD	163950	BD	BD-03 4212

Tycho2

Tycho2	5087-00604-1	Pflag		RAmdeg	269.72128985	DEmdeg	-3.51481850
PmRA	1.0	PmDE	3.0	E RAmdeg	11	E DEmdeg	13
E pmRA	1.0	E pmDE	1.1	EpRAm	1987.65	EpDEm	1987.08
Num	15	Q RAmdeg	1.5	Q DEmdeg	1.5	Q pmRA	1.5
Q pmDE	1.4	BTmag	9.633	E BTmag	0.025	VTmag	9.260
E VTmag	0.022	Prox	999	TYC	T	HIP	88032
CCDM	AB	RAdeg	269.72128722	DEdeg	-3.51482917	EpRA 1990	1.75
EpDE 1990	1.74	E RAdeg	11.5	E DEdeg	14.7	Posflg	P
Corr	-0.1

SAO

SAO	142003	DelFlag		RA1950		PmRA1950	-0.0007
DE1950		PmDE1950	0.016	Vmag	8.8	SpType	A3
Double code		Source	27	CatNum	6023	DM	BD-03 4212
DMcomp		BDsup		HD	163950	M HD	0
GC		RA1950rad	4.69604246	DE1950rad	-0.06129178	PmRA2000	-0.0005
PmDE2000	0.017

Hipparcos

Catalog	H	HIP	88032	Proxy	H	RAhms	17 58 53.11
DEdms	-03 30 53.4	Vmag	9.17	VarFlag		R Vmag	G
RAdeg	269.721	DEdeg	-3.51483	AstroRef	*	Plx	3.34
CCDM	17589-0331	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	349	Rho	0.241	HD	163950	BD	BD-03 4212
CD		CP		Dm number	-03 4212	VIred	0.46
SpType	A3	R SpType		Coord arcsec 2000	175853.11-033053.4

Hipparcos 2

HIP	88032	Sn	55	So	3	Nc	2
RArad	4.7075244568	DErad	-0.0613453	Plx	3.82	PmRA	-1.78
PmDE	1.5	E RArad	1.29	E DErad	0.99	E Plx	1.61
E pmRA	1.44	E pmDE	1	Hpmag	9.2909	E Hpmag	0.0025
SHp	0.02	VA	0	BV	0.398	E BV	0.02
VI	0.46

CCDM

Ccdm	17589-0331	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.89	DDEs	6.6
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.7	Sp	A3	PmNote	*
PmRA	-1	PmDE	2	Dm number	-03 4212	Cat1	BD
Name2	142003	Cat2	SAO	HD	163950	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	88032

17589-0331 B

Componente originario normalizzato	AB		Coord arcsec 2000	175853.11-033053.2		Mag	10.53		Calc delta mag	0.82
Calc coord	yes

CCDM

Ccdm	17589-0331	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-0.89	DDEs	6.8
R dRAs	82	Year	1991	Theta	349	Rho	0.2
Obs	1	Vmag	10.5	Sp		PmNote	*
PmRA	-1	PmDE	2	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	88032