17531-0852 HDS 2523 (HD 162795)

17^h 53^m 06.22^s -08° 51' 39.1" P.A. 253.00 sep 0.3 mag 9.49,10.11 Sp A0 dist. 294.12 pc (959.42 l.y.)

Coord 2000	17531-0852	Discov num	HDS2523	Comp		Coord arcsec 2000	17 53 06.22 -08 51 39.1
Date first	1991	Date last	2021	Obs	3
Pa first	227	Pa last	252.6	P.A. Now (θ)	252.6°
Sep first	0.2	Sep last	0.288	Sep. Now (ρ)	0.288"
Mag pri	9.49	Mag sec	10.11	delta mag (ΔM)	0.62	Spectral class	A0 (white)
Pri motion ra	-002	Sec motion ra
Pri motion dec	-011	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 162795	Constellation	Ophiuchus	SAO	141937	HIP	87545
Tycho2	5674-00561-1	Gaia DR2	4164663146510991872	HD	162795	BD	BD-08 4517
Distance	294.12	Distance ly	959.42

WDS 17531-0852 HDS 2523 (HD 162795) : NOTES

No records found.

DISCOVERER

discov	author
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	dm_number	notes	coord_arcsec_2000
17531-0852	HDS2523		1991	1	227	0.2	9.49	10.11	A0	-08 4517		175306.22-085139.1
17531-0852	HDS2523		2021	2	253	0.3	9.49	10.11	A0	-08 4517		175306.22-085139.1

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

WDS 17531-0852 HDS 2523 (HD 162795) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17531-0852 HDS 2523 (HD 162795) : MEASURES

No records found.

WDS 17531-0852 (HD 162795) : VIRTUAL EYEPIECE

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WDS 17531-0852 (HD 162795) : ALADIN DSS IMAGE @ 17^h 53^m 06.22^s -08° 51' 39.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17531-0852 HDS 2523 (HD 162795) : 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		17531-0852	HDS2523		253	0.3	0
Show		17564-0845	RST3988		36	0.8	50
Show		17527-0757	STF2234		198	16.9	56
Show		17530-0755	STF3128	AB	50	1.3	57
Show		17530-0755	STF3128	AC	86	97.1	57
Show		17550-0744	LLO 14		293	5.9	74
Show		17475-0847	OSO 84	AB	210	12.0	84
Show		17475-0847	OSO 84	AC	319	16.0	84
Show		17475-0847	OSO 84	AD	303	21.2	84
Show		17589-0924	OSO 90	AB	124	20.9	90
Show		17589-0924	OSO 90	AC	207	22.6	90
Show		17596-0820	GWP2751		127	23.6	102
Show		18004-0929	RST3990		93	2.4	115
Show		17525-0649	WFC 200		272	9.5	123
Show		17451-0949	CIA 56		190	0.0	132
Show		17489-0650	LDS 613		133	4.0	138
Show		18009-1012	HU 236		156	0.2	141
Show		17589-1046	KPP1587		359	12.1	143
Show		18010-1020	GWP2754		219	28.3	147
Show		18007-0717	LDS 621		298	7.2	147
Show		17457-0713	RST4574		263	0.7	148
Show		18015-1014	BU 47		89	0.7	150
Show		17541-1120	HJ 4995		156	27.9	150
Show		17593-0651	STF2250	AB	344	7.8	152
Show		17593-0651	SIN 106	AC	92	45.0	152
Show		18031-0811	STF2262	AB	292	1.4	154
Show		18031-0811	STF2262	AC	125	100.8	154
Show		17476-0634	RST4576		274	2.8	160
Show		17491-1120	RST3984		56	3.1	161
Show		17526-0609	EVS 32	AB	212	18.1	164
Show		17526-0609	KRV 46	AC	199	81.3	164
Show		18025-0719	RST3992		236	0.6	168
Show		17549-1138	HLD 139	AB	142	3.1	169
Show		17549-1138	HLD 139	AC	97	65.8	169
Show		18053-0823	J 1645		4	5.5	171
Show		17505-0603	LAF 59	AB	119	2.8	173
Show		17505-0603	LAF 59	AC	5	3.3	173
Show		17505-0603	LAF 59	AD	154	3.4	173
Show		17505-0603	LAF 59	AE	245	3.7	173
Show		17505-0603	LAF 59	AF	153	3.9	173
Show		17505-0603	LAF 59	AG	159	4.2	173
Show		17505-0603	LAF 59	AH	23	4.4	173
Show		17505-0603	LAF 59	AI	112	4.5	173
Show		17505-0603	LAF 59	AJ	300	4.7	173
Show		17505-0603	LAF 59	AK	80	5.0	173
Show		17505-0603	LAF 59	AL	349	5.2	173
Show		17505-0603	LAF 59	AM	192	5.2	173
Show		17505-0603	LAF 59	AN	124	5.2	173
Show		17505-0603	LAF 59	AO	72	6.1	173
Show		17505-0603	LAF 59	AP	159	6.6	173
Show		17505-0603	LAF 59	AQ	85	6.7	173

WDS 17531-0852 : COMPONENTS

	A
B	pa=252.6° sep=0.29"

17531-0852 A

Name	HD 320862	Coord arcsec 2000	175306.22-085139.1	Mag	9.49	Spectral class	A0 (white)
PmRA	-2.00	PmDE	-11.0	SAO	141937	HIP	87545
Tycho2	5674-00561-1	HD	162795	BD	BD-08 4517

Tycho2

Tycho2	5674-00561-1	Pflag		RAmdeg	268.27588423	DEmdeg	-8.86087299
PmRA	-6.5	PmDE	-8.5	E RAmdeg	9	E DEmdeg	11
E pmRA	1.1	E pmDE	1.2	EpRAm	1989.58	EpDEm	1988.84
Num	14	Q RAmdeg	1.3	Q DEmdeg	0.9	Q pmRA	1.3
Q pmDE	0.9	BTmag	9.527	E BTmag	0.022	VTmag	8.955
E VTmag	0.018	Prox	999	TYC	T	HIP	87545
CCDM	AB	RAdeg	268.27590028	DEdeg	-8.86085472	EpRA 1990	1.76
EpDE 1990	1.76	E RAdeg	9.6	E DEdeg	12.1	Posflg	P
Corr	-0.2

SAO

SAO	141937	DelFlag		RA1950		PmRA1950	-0.0014
DE1950		PmDE1950	-0.013	Vmag	8.4	SpType	A0
Double code		Source	26	CatNum	6022	DM	BD-08 4517
DMcomp		BDsup		HD	162795	M HD	0
GC		RA1950rad	4.67035767	DE1950rad	-0.15447456	PmRA2000	-0.0012
PmDE2000	-0.011

Hipparcos

Catalog	H	HIP	87545	Proxy	H	RAhms	17 53 06.22
DEdms	-08 51 39.1	Vmag	8.88	VarFlag		R Vmag	H
RAdeg	268.276	DEdeg	-8.86086	AstroRef	*	Plx	1.34
CCDM	-1.65	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	227	Rho	0.233	HD		BD	BD-08 4517
CD		CP		Dm number	-08 4517	VIred	0.55
SpType	A0	R SpType		Coord arcsec 2000	175306.22-085139.1

Hipparcos 2

HIP	87545	Sn	55	So	3	Nc	2
RArad	4.6822977161	DErad	-0.154651178	Plx	3.4	PmRA	-4.46
PmDE	-11.12	E RArad	1.46	E DErad	0.98	E Plx	1.48
E pmRA	1.53	E pmDE	1.1	Hpmag		E Hpmag	0.0024
SHp	0.017	VA	0	BV	0.558	E BV	0.026
VI	0.63

CCDM

Ccdm	17531-0852	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.21	DDEs	20.9
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.5	Sp	A0	PmNote	*
PmRA	-2	PmDE	-11	Dm number	-08 4517	Cat1	BD
Name2	141937	Cat2	SAO	HD	162795	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	87545

17531-0852 B

Coord arcsec 2000

175306.20-085139.2

Mag

10.11

Delta magnitude

0.62

Coordinate calculated

yes

CCDM

Ccdm	17531-0852	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	0.21	DDEs	20.7
R dRAs	82	Year	1991	Theta	227	Rho	0.2
Obs	1	Vmag	10.1	Sp		PmNote	*
PmRA	-2	PmDE	-11	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	87545