17464+0542 STF 2212 (HD 161621)

17^h 46^m 26.79^s +05° 42' 01.3" P.A. 340.00 sep 3.3 mag 9.51,9.60 Sp A0

Coord 2000	17464+0542	Discov num	STF2212	Comp		Coord arcsec 2000	17 46 26.79 +05 42 01.3
Date first	1832	Date last	2020	Obs	45
Pa first	342	Pa last	339.6	P.A. Now (θ)	339.6°
Sep first	3.1	Sep last	3.263	Sep. Now (ρ)	3.263"
Mag pri	9.51	Mag sec	9.60	delta mag (ΔM)	0.09	Spectral class	A0 (white)
Pri motion ra	-001	Sec motion ra	-011
Pri motion dec	-013	Sec motion dec	+019
Notes

rPM=1.527

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 161621		Constellation	Ophiuchus		SAO	122730		Tycho2	0428-01109-1
Gaia DR2	4474058984045718400		HD	161621		GC	24122

WDS 17464+0542 STF 2212 (HD 161621) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
17464+0542	STF2212		2000	43	341	2.7	9.51	9.60	A0	D	174626.79+054201.3
17464+0542	STF2212		2007	44	340	3.2	9.51	9.60	A0	D	174626.79+054201.3
17464+0542	STF2212		2010	45	342	3.1	9.51	9.60	A0	D	174626.79+054201.3
17464+0542	STF2212		2013	49	342	3.0	9.51	9.60	A0	D	174626.79+054201.3
17464+0542	STF2212		2016	42	343	3.3	9.51	9.60	A0		174626.79+054201.3
17464+0542	STF2212		2017	43	341	3.2	9.51	9.60	A0		174626.79+054201.3
17464+0542	STF2212		2020	45	340	3.3	9.51	9.60	A0		174626.79+054201.3

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

WDS 17464+0542 STF 2212 (HD 161621) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17464+0542 STF 2212 (HD 161621) : MEASURES

No records found.

WDS 17464+0542 (HD 161621) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 17464+0542 (HD 161621) : ALADIN DSS IMAGE @ 17^h 46^m 26.79^s +05° 42' 01.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17464+0542 STF 2212 (HD 161621) : 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		17464+0542	STF2212		340	3.3
Show		17470+0542	STF2216		27	27.3	9
Show		17468+0534	A 1161		286	0.8	10
Show		17461+0532	CHR 157		35	0.3	12
Show		17470+0526	DCH 114		118	1.9	19
Show		17475+0530	UC 3408		312	54.3	21
Show		17488+0542	CVR 207		219	14.0	35
Show		17448+0512	TDT 484		272	0.4	39
Show		17439+0551	STF2200	AB	162	1.6	40
Show		17439+0551	STF2200	AC	245	32.3	40
Show		17482+0616	J 2116	AB	30	48.9	43
Show		17482+0616	J 2116	BC	298	5.9	44
Show		17478+0621	ITF 5		130	28.5	45
Show		17494+0534	TDS 886		298	2.1	45
Show		17500+0520	STF2227		110	15.1	49
Show		17469+0630	A 1162	AB	162	1.7	49
Show		17469+0630	A 1162	AC	170	7.4	49
Show		17430+0547	HDS2506		81	0.2	52
Show		17465+0639	GWP2734		331	26.6	57
Show		17490+0458	STF2223		210	18.5	58
Show		17427+0520	AG 212		23	2.7	61
Show		17422+0456	FAL 57		268	6.6	79
Show		17418+0458	BAL3011		358	1.4	82
Show		17436+0430	BAL2896		351	7.4	83
Show		17519+0556	SKF2214		235	8.0	83
Show		17506+0445	BAL2905		275	18.3	84
Show		17504+0440	BAL2901			8.6	86
Show		17404+0544	VVO 16		342	34.8	91
Show		17411+0457	UC 3383		52	23.2	92
Show		17504+0433	BAL2902	BC	50	18.5	92
Show		17504+0433	BAL2902	AB	50	3.3	92
Show		17504+0433	BAL2902	AC	50	21.6	92
Show		17459+0409	BAL2898		311	6.6	94
Show		17427+0659	HEI 864		350	2.9	95
Show		17528+0550	UC 3438		34	34.4	96
Show		17398+0537	FMR 137		250	9.3	100
Show		17531+0545	UC 3440		133	8.7	100
Show		17422+0424	BAL2895			13.9	101
Show		17533+0523	TDT 557		62	1.5	105
Show		17532+0606	JNN 244	AB	124	3.0	105
Show		17532+0606	JNN 244	AC	307	3.4	105
Show		17532+0606	JNN 244	AD	175	4.4	105
Show		17493+0406	DAM 95		179	4.5	105
Show		17503+0415	HJ 855		80	19.7	105
Show		17449+0357	BAL2897		291	9.3	107
Show		17493+0404	BAL2899		190	3.1	107
Show		17496+0404	DAM 96		229	7.2	110
Show		17480+0729	BRT2606		319	4.5	110
Show		17536+0516	STF2240		204	3.0	110
Show		17506+0714	STT 337		163	0.6	111
Show		17470+0346	BAL2452		231	9.2	117

WDS 17464+0542 : COMPONENTS

	A
B	pa=339.7° sep=3.26"

17464+0542 A

Componente originario normalizzato	AB	Name	HD 161621	Coord arcsec 2000	174626.79+054201.3	Mag	9.51
Spectral class	A0 (white)	PmRA	-1.00	PmDE	-13.0	SAO	122730
Tycho2	0428-01109-1	HD	161621	GC	24122	DM	BD+05 3487

Tycho2

Tycho2	0428-01109-1	Pflag	P	RAmdeg	266.61163021	DEmdeg	5.70036885
PmRA	-0.6	PmDE	-13.1	E RAmdeg	13	E DEmdeg	18
E pmRA	2.6	E pmDE	2.5	EpRAm	1991.27	EpDEm	1990.48
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.1	Q pmRA	0.1
Q pmDE	1.1	BTmag	9.635	E BTmag	0.024	VTmag	9.506
E VTmag	0.025	Prox	34	TYC	T	HIP
CCDM		RAdeg	266.61177583	DEdeg	5.70002806	EpRA 1990	1.58
EpDE 1990	1.11	E RAdeg	11.4	E DEdeg	16.2	Posflg
Corr	0.3

SAO

SAO	122730	DelFlag		RA1950		PmRA1950	0.0006
DE1950		PmDE1950	-0.007	Vmag	8.5	SpType	A0
Double code		Source	70	CatNum	24122	DM	BD+05 3487
DMcomp		BDsup		HD	161621	M HD	0
GC	24122	RA1950rad	4.64255374	DE1950rad	0.09980777	PmRA2000	0.0008
PmDE2000	-0.007

CCDM

Ccdm	17464+0542	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.79	DDEs	0.2
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	A0	PmNote	*
PmRA	-2	PmDE	-27	Dm number	+05 3487	Cat1	BD
Name2	+05 2328	Cat2	AGK2/3	HD	161621	M HD
ADS BDS	A10779	M ADS BDS		N IDS		IDS	17416N0544A
HIC

17464+0542 B

Componente originario normalizzato	AB		Coord arcsec 2000	174626.71+054204.4		Mag	9.6		PmRA	-11.00
PmDE	19.0		Tycho2	0428-01977-1		Calc delta mag	0.09		Calc coord	yes

Tycho2

Tycho2	0428-01977-1	Pflag	P	RAmdeg	266.61163021	DEmdeg	5.70036885
PmRA	-0.6	PmDE	-13.1	E RAmdeg	13	E DEmdeg	18
E pmRA	2.6	E pmDE	2.5	EpRAm	1991.27	EpDEm	1990.48
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.1	Q pmRA	0.1
Q pmDE	1.1	BTmag	9.805	E BTmag	0.026	VTmag	9.597
E VTmag	0.026	Prox	34	TYC	T	HIP
CCDM		RAdeg	266.61143889	DEdeg	5.70090000	EpRA 1990	1.58
EpDE 1990	1.15	E RAdeg	12.5	E DEdeg	17.6	Posflg
Corr	0.4

CCDM

Ccdm	17464+0542	RComp		Comp	B	Note1
Note2		Discov num	STF2212	DRAs		DDEs
R dRAs		Year	1835	Theta	340	Rho	3.2
Obs	11	Vmag	9.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A10779	M ADS BDS		N IDS		IDS	17416N0544B
HIC