17317-0959 HDS 2474 (HD 158826)

17^h 31^m 44.96^s -09° 58' 50.8" P.A. 151.00 sep 0.1 mag 9.12,10.18 Sp K5 dist. 531.91 pc (1735.09 l.y.)

Coord 2000	17317-0959	Discov num	HDS2474	Comp		Coord arcsec 2000	17 31 44.96 -09 58 50.8
Date first	1991	Date last	2013	Obs	2
Pa first	187	Pa last	151.1	P.A. Now (θ)	151.1°
Sep first	0.1	Sep last	0.149	Sep. Now (ρ)	0.149"
Mag pri	9.12	Mag sec	10.18	delta mag (ΔM)	1.06	Spectral class	K5 (yellow-orange)
Pri motion ra	-007	Sec motion ra
Pri motion dec	+000	Sec motion dec
Notes	X (Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 158826	Constellation	Ophiuchus	SAO	141718	HIP	85784
Tycho2	5663-00656-1	Gaia DR2	4166505996712416512	HD	158826	BD	BD-09 4564
Distance	531.91	Distance ly	1735.09

WDS 17317-0959 HDS 2474 (HD 158826) : 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
17317-0959	HDS2474		1991	1	187	0.1	9.12	10.18	K5		173144.96-095850.8
17317-0959	HDS2474		2013	2	151	0.1	9.12	10.18	K5	X	173144.96-095850.8

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

WDS 17317-0959 HDS 2474 (HD 158826) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17317-0959 HDS 2474 (HD 158826) : MEASURES

No records found.

WDS 17317-0959 (HD 158826) : VIRTUAL EYEPIECE

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WDS 17317-0959 (HD 158826) : ALADIN DSS IMAGE @ 17^h 31^m 44.96^s -09° 58' 50.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17317-0959 HDS 2474 (HD 158826) : 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		17317-0959	HDS2474		151	0.1	1
Show		17305-1006	RST3978		273	0.5	20
Show		17293-0959	STF2171		59	1.4	37
Show		17321-0912	A 2594		300	0.8	48
Show		17309-1055	RST3979		258	0.5	58
Show		17326-0901	LDS 605		343	7.6	59
Show		17313-1058	HU 673	AB	179	5.6	60
Show		17313-1058	TOK 708	Ba,Bb	319	0.3	60
Show		17340-1102	HDS2479		84	0.7	72
Show		17306-1111	GWP2716		123	13.6	75
Show		17374-0937	LDS5855		351	3.7	87
Show		17348-1115	HJ 4964	AB	224	54.9	88
Show		17323-0828	HJ 4960		93	6.1	92
Show		17283-0839	A 29		97	3.2	95
Show		17348-0833	KPP1917		281	15.1	98
Show		17300-0825	STF2169		111	15.5	98
Show		17250-0931	FOX 201	AB	124	6.0	104
Show		17250-0931	FOX 201	AC	324	7.2	104
Show		17250-0913	GWP2710	AB	194	58.5	110
Show		17254-0850	HDS2460		341	0.7	117
Show		17240-0921	RST3972	Aa,Ab	114	0.1	122
Show		17240-0921	TOK 179	AB	298	18.9	122
Show		17297-0801	RST3977		308	0.3	122
Show		17278-1211	HU 234	AB	214	0.4	145
Show		17278-1211	HU 234	AC	310	5.8	145
Show		17272-1209	HU 175		69	4.5	147
Show		17419-0944	HDS2503		150	0.2	151
Show		17319-1230	GWP2722		285	49.3	152
Show		17240-1142	BU 242	AB	79	1.2	154
Show		17240-1142	BU 242	AC	64	9.1	154
Show		17240-1142	BU 242	AD	61	48.3	154
Show		17260-0745	RST3975	AB	28	1.0	159
Show		17260-0745	GII 246	Aa,Ab	166	0.2	159
Show		17217-1103	HU 173		345	0.6	162
Show		17209-1042	RST3971		80	8.6	167
Show		17208-0902	A 28		36	2.0	172
Show		17199-1121	STF2148		220	5.6	194
Show		17204-1138	ARY 110		237	77.1	194
Show		17192-1107	REI 1	AB	352	8.7	198
Show		17192-1107	KPP4389	AC	142	48.8	198
Show		17398-1244	ALD 65		190	2.6	204
Show		17200-0801	CHR 151	Aa,Ab	219	0.3	210
Show		17200-0801	ENG 60	AB	232	89.8	210
Show		17404-1249	KPP2768		30	2.9	213
Show		17378-1315	CVN 56	AB	86	3.9	215
Show		17378-1315	CVN 56	AC	311	4.6	215
Show		17378-1315	CVN 56	AD	283	4.6	215
Show		17378-1315	CVN 56	AE	311	5.0	215
Show		17378-1315	CVN 56	AF	358	5.2	215
Show		17378-1315	CVN 56	AG	342	5.3	215
Show		17378-1315	CVN 56	AH	161	5.7	215

WDS 17317-0959 : COMPONENTS

	A
B	pa=151.5° sep=0.15"

17317-0959 A

Componente originario normalizzato	AB	Name	HD 158826	Coord arcsec 2000	173144.96-095850.8	Mag	9.12
Spectral class	K5 (yellow-orange)	PmRA	-7.00	PmDE	0.0	SAO	141718
HIP	85784	Tycho2	5663-00656-1	HD	158826	BD	BD-09 4564

Tycho2

Tycho2	5663-00656-1	Pflag		RAmdeg	262.93729807	DEmdeg	-9.98077765
PmRA	-7.4	PmDE	-0.4	E RAmdeg	11	E DEmdeg	13
E pmRA	1.4	E pmDE	1.2	EpRAm	1990.47	EpDEm	1987.43
Num	14	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.1	BTmag	11.303	E BTmag	0.064	VTmag	8.968
E VTmag	0.016	Prox	999	TYC	T	HIP	85784
CCDM	AB	RAdeg	262.93731611	DEdeg	-9.98077778	EpRA 1990	1.64
EpDE 1990	1.07	E RAdeg	11.3	E DEdeg	15.3	Posflg	P
Corr	0.1

SAO

SAO	141718	DelFlag		RA1950		PmRA1950	0
DE1950		PmDE1950	0.005	Vmag	8.5	SpType	K5
Double code		Source	26	CatNum	5933	DM	BD-09 4564
DMcomp		BDsup		HD	158826	M HD	0
GC		RA1950rad	4.57709299	DE1950rad	-0.17356901	PmRA2000	0.0002
PmDE2000	0.008

Hipparcos

Catalog	H	HIP	85784	Proxy	H	RAhms	17 31 44.96
DEdms	-09 58 50.8	Vmag	8.65	VarFlag		R Vmag	H
RAdeg	262.937	DEdeg	-9.98078	AstroRef	*	Plx	2.95
CCDM	17317-0959	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	B	M HIP	AB
Theta	187	Rho	0.121	HD	158826	BD	BD-09 4564
CD		CP		Dm number	-09 4564	VIred	1.57
SpType	K5	R SpType		Coord arcsec 2000	173144.96-095850.8

Hipparcos 2

HIP	85784	Sn	55	So	3	Nc	2
RArad	4.5891220048	DErad	-0.1741974516	Plx	1.88	PmRA	-6.93
PmDE	-0.3	E RArad	1.2	E DErad	0.63	E Plx	1.36
E pmRA	1.48	E pmDE	0.62	Hpmag	8.7745	E Hpmag	0.0021
SHp	0.018	VA	0	BV	1.564	E BV	0.317
VI	1.57

CCDM

Ccdm	17317-0959	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.95	DDEs	9.2
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.1	Sp	K5	PmNote	*
PmRA	-7	PmDE	0	Dm number	-09 4564	Cat1	BD
Name2	141718	Cat2	SAO	HD	158826	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	85784

17317-0959 B

Componente originario normalizzato	AB		Coord arcsec 2000	173144.96-095850.9		Mag	10.18		Calc delta mag	1.06
Calc coord	yes

CCDM

Ccdm	17317-0959	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.95	DDEs	9.1
R dRAs	82	Year	1991	Theta	187	Rho	0.1
Obs	1	Vmag	10.2	Sp		PmNote	*
PmRA	-7	PmDE	0	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	85784