17311+1027 STF 2176 AB

17^h 31^m 06.48^s +10° 26' 57.5" P.A. 17.00 sep 16.8 mag 9.53,10.32 Sp K0

Coord 2000	17311+1027	Discov num	STF2176	Comp	AB	Coord arcsec 2000	17 31 06.48 +10 26 57.5
Date first	1829	Date last	2015	Obs	31
Pa first	9	Pa last	16.6	P.A. Now (θ)	16.6°
Sep first	16.9	Sep last	16.805	Sep. Now (ρ)	16.805"
Mag pri	9.53	Mag sec	10.32	delta mag (ΔM)	0.79	Spectral class	K0 (yellow-orange)
Pri motion ra	-005	Sec motion ra	+008
Pri motion dec	-004	Sec motion dec	-006
Notes

rPM=1.315

This double is not physical.

17311+1027 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			17 31 06 +10 26 58	STF 2176 AB	2015	31	17	16.8	9.53	10.32	0.79		<===
Show			17 31 06 +10 26 58	GUI 19 AC	2015	22	71	89.8	9.53	9.46	0.07

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ophiuchus

Tycho2

0996-01492-1

Gaia DR2

4491198858495689472

WDS 17311+1027 STF 2176 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Gui1912	Ma -	Guillaume, J.	.
Gui1912		Travaux Lyon Obs. 4, 193, 1912
Gui1931	Ma -	Guillaume, J.	.
Gui1931		Bull. Obs. Lyon 13, 151, 1931
Gui1932A	Ma -	Guillaume, J.	1932QB821.A43......
Gui1932A		cited in ADS (Aitken Double Star Cat.), 1932
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17311+1027	STF2176	AB	2004	17	16	16.8	9.53	10.32	K0	D	173106.48+102657.5
17311+1027	STF2176	AB	2013	23	17	17.1	9.53	10.32	K0		173106.48+102657.5
17311+1027	STF2176	AB	2014	26	17	16.8	9.53	10.32	K0		173106.48+102657.5
17311+1027	STF2176	AB	2015	27	17	16.8	9.53	10.32	K0		173106.48+102657.5

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

WDS 17311+1027 STF 2176 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17311+1027 STF 2176 AB : MEASURES

No records found.

WDS 17311+1027 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 17311+1027 : ALADIN DSS IMAGE @ 17^h 31^m 06.48^s +10° 26' 57.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17311+1027 STF 2176 AB : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17311+1027	STF2176	AB	17	16.8
Show		17311+1027	GUI 19	AC	71	89.8
Show		17321+1024	CLL 11		209	56.7	15
Show		17301+1019	GRV 958		211	49.9	16
Show		17318+1040	AG 355		333	22.4	17
Show		17308+1052	LDS4747		353	24.7	27
Show		17294+1032	UC 3352		90	37.4	27
Show		17287+1029	STF2170	AB	58	3.3	36
Show		17287+1029	GUI 18	AC	19	190.4	36
Show		17313+0949	UC 3361		348	21.5	38
Show		17339+1031	BRT1286		196	4.3	43
Show		17317+1111	AG 354		55	2.8	45
Show		17340+1042	LDS4754		310	13.2	46
Show		17307+1120	GWP2717	AB	150	2.9	53
Show		17307+1120	GWP2717	AC	19	19.8	53
Show		17346+0935	YSC 63	Aa,Ab	281	0.4	74
Show		17346+0935	STFA 34	AB	189	41.3	74
Show		17346+0935	STFA 34	AC	343	96.6	74
Show		17346+0935	STFA 34	AD	213	127.0	74
Show		17346+0935	STFA 34	BD	223	90.6	74
Show		17279+1123	STF2166		282	27.0	74
Show		17286+1132	BPM 682		62	21.1	75
Show		17330+0913	HDS2477		137	0.4	80
Show		17347+0922	TDS 873		356	1.0	84
Show		17368+1034	STT 333		154	0.2	85
Show		17278+1137	BRT1285		13	2.8	86
Show		17322+1156	ISO 4		141	0.2	91
Show		17325+1201	BPM 686		83	107.9	97
Show		17263+1137	KPP1265		324	9.7	100
Show		17326+1204	UC 3365		74	32.7	100
Show		17308+0844	J 2113	AB	280	2.8	104
Show		17308+0844	J 2113	AC	279	37.3	104
Show		17343+1210	UC 3371		286	45.6	114
Show		17368+1147	BPM 689		25	104.9	116
Show		17294+0824	J 3267		317	6.5	125
Show		17233+0936	HEI 797		335	1.3	127
Show		17382+0913	OSO 80		299	7.8	128
Show		17386+0923	UC 3379		124	58.0	129
Show		17394+1107	TDT 453		205	0.6	129
Show		17245+0901	BRT3223		272	4.6	131
Show		17377+0855	BRT2171	AB	319	3.5	134
Show		17403+1030	BRT1288		155	3.9	135
Show		17293+0811	HU 176		330	0.3	139
Show		17366+1220	UC 3376		36	33.0	139
Show	Rasalhague	17349+1234	MCY 4		260	0.3	139
Show		17386+1153	BRT1287	AB	122	4.1	140
Show		17386+1153	BRT1287	BC	164	3.7	140
Show		17380+0849	GRV 963		30	66.4	142
Show		17267+1232	HEI 548		76	2.9	142
Show		17339+0806	SHY 726		12	229.2	147
Show		17374+1233	BU 1121		192	0.5	157

WDS 17311+1027 : COMPONENTS

	A	B
B	pa=16.3° sep=16.78"
C	pa=71.0° sep=88.51"	pa=80.9° sep=79.98"

17311+1027 A

Coord arcsec 2000	173106.48+102657.5		Mag	9.53		Spectral class	K0 (yellow-orange)		PmRA	-5.00
PmDE	-4.0		Tycho2	0996-01492-1		DM	BD+10 3225

Tycho2

Tycho2	0996-01492-1	Pflag		RAmdeg	262.77701046	DEmdeg	10.44933049
PmRA	-5.8	PmDE	-4.0	E RAmdeg	18	E DEmdeg	22
E pmRA	1.3	E pmDE	1.3	EpRAm	1989.00	EpDEm	1986.69
Num	10	Q RAmdeg	0.8	Q DEmdeg	0.5	Q pmRA	0.8
Q pmDE	0.5	BTmag	10.798	E BTmag	0.049	VTmag	9.534
E VTmag	0.026	Prox	168	TYC	T	HIP
CCDM		RAdeg	262.77702417	DEdeg	10.44933972	EpRA 1990	1.63
EpDE 1990	1.46	E RAdeg	18.4	E DEdeg	22.5	Posflg
Corr	0.0

CCDM

Ccdm	17311+1027	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.44	DDEs	-2.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.9	Sp	K0	PmNote	*
PmRA	-20	PmDE	-6	Dm number	+10 3225	Cat1	BD
Name2	+10 2067	Cat2	AGK2/3	HD		M HD
ADS BDS	B 8052	M ADS BDS		N IDS		IDS	17264N1032A
HIC

17311+1027 B

Coord arcsec 2000	173106.80+102713.6		Mag	10.32		PmRA	8.00		PmDE	-6.0
Calc delta mag	0.79		Calc coord	yes

CCDM

Ccdm	17311+1027	RComp		Comp	B	Note1
Note2		Discov num	STF2176	DRAs	0.72	DDEs	14.0
R dRAs	10	Year	1829	Theta	011	Rho	16.6
Obs	5	Vmag	10.9	Sp		PmNote	*
PmRA	-11	PmDE	-2	Dm number		Cat1
Name2	+10 2068	Cat2	AGK2/3	HD		M HD
ADS BDS	B 8052	M ADS BDS		N IDS		IDS	17264N1032B
HIC

17311+1027 C

Coord arcsec 2000	173112.15+102726.3		Mag	9.46		PmRA	-5.00		PmDE	-13.0
Tycho2	0996-01557-1		Calc delta mag	0.07		Calc coord	yes

Tycho2

Tycho2	0996-01557-1	Pflag		RAmdeg	262.80103664	DEmdeg	10.45736865
PmRA	-4.7	PmDE	-13.4	E RAmdeg	16	E DEmdeg	18
E pmRA	1.3	E pmDE	1.3	EpRAm	1988.42	EpDEm	1986.96
Num	10	Q RAmdeg	0.7	Q DEmdeg	0.7	Q pmRA	0.7
Q pmDE	0.7	BTmag	10.730	E BTmag	0.047	VTmag	9.459
E VTmag	0.023	Prox	816	TYC	T	HIP
CCDM		RAdeg	262.80104944	DEdeg	10.45739972	EpRA 1990	1.59
EpDE 1990	1.37	E RAdeg	16.6	E DEdeg	20.3	Posflg
Corr	0.0