17389+8403 STF 2299

17^h 38^m 55.61^s +84° 02' 42.9" P.A. 125.00 sep 33.8 mag 9.46,9.67 Sp F8

Coord 2000	17389+8403	Discov num	STF2299	Comp		Coord arcsec 2000	17 38 55.61 +84 02 42.9
Date first	1899	Date last	2015	Obs	21
Pa first	131	Pa last	124.6	P.A. Now (θ)	124.6°
Sep first	34.7	Sep last	33.83	Sep. Now (ρ)	33.83"
Mag pri	9.46	Mag sec	9.67	delta mag (ΔM)	0.21	Spectral class	F8 (yellow-white)
Pri motion ra	-015	Sec motion ra	-014
Pri motion dec	+037	Sec motion dec	+034
Notes	N (See Notes)

rPM=0.079 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ursa Minor

Tycho2

4647-01220-1

Gaia DR2

1723384528356265984

BD+84 398

WDS 17389+8403 STF 2299 : NOTES

discov_num	notes	refcode
STF2299	LDS1876. B is BD+84@397.

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
17389+8403	STF2299		2006	14	125	34.0	9.46	9.67	F8	N D	173855.61+840242.9
17389+8403	STF2299		2013	16	124	33.5	9.46	9.67	F8	N	173855.61+840242.9
17389+8403	STF2299		2015	18	125	33.8	9.46	9.67	F8	N	173855.61+840242.9

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

WDS 17389+8403 STF 2299 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17389+8403 STF 2299 : MEASURES

No records found.

WDS 17389+8403 : VIRTUAL EYEPIECE

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WDS 17389+8403 : ALADIN DSS IMAGE @ 17^h 38^m 55.61^s +84° 02' 42.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17389+8403 STF 2299 : 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		17389+8403	STF2299		125	33.8
Show		17492+8352	MFL 214		257	15.0	20
Show		17530+8354	STT 349		52	0.5	24
Show		17578+8351	UC 3457		310	32.8	32
Show		17200+8428	MFL 220		42	7.6	38
Show		17478+8326	TOI1147		346	0.4	40
Show		17253+8445	A 857		46	2.1	47
Show		17364+8453	MLR 208		287	0.4	51
Show		17349+8313	SKF 521		183	7.0	51
Show		17427+8502	TDT 475		221	0.6	60
Show		17199+8503	LDS1867		3	14.4	66
Show		17208+8512	LDS1869		309	77.8	74
Show		17432+8526	LUH 12		358	29.7	84
Show		17283+8238	MFL 239		18	9.7	87
Show		17225+8236	MFL 205		239	4.8	92
Show		17398+8209	SKF1315		233	15.7	114
Show	Yildun	17322+8635	DRS 59		67	4.5	153
Show		17294+8123	LDS1870		67	119.7	162
Show		17527+8122	MFL 252		323	8.7	164
Show		17353+8119	FMR 135		89	162.4	164
Show		17430+8115	MFL 218		70	4.0	168
Show		17450+8109	MFL 231		319	9.9	175
Show		17237+8707	KPP4037		208	1.8	186
Show		17338+8047	TDT 414		176	1.2	196
Show		17515+8038	MFL 219		81	19.5	207
Show		17200+8036	TDT 311	AB	154	2.3	210
Show		17462+8032	LDS1877		176	10.5	212
Show		17458+8003	UC 3399		335	48.9	240
Show		17570+7944	MFL 237		177	4.9	261
Show		17245+7930	MFL 223		313	13.8	274
Show		17403+7927	LDS1875		149	110.3	276
Show		17403+7915	MLR 206		26	1.3	288

WDS 17389+8403 : COMPONENTS

	A
B	pa=171.4° sep=19.43"

17389+8403 A

Componente originario normalizzato	AB		Coord arcsec 2000	173855.61+840242.9		Mag	9.46		Spectral class	F8 (yellow-white)
PmRA	-15.00		PmDE	37.0		Tycho2	4647-01220-1		DM	BD+84 397

Tycho2

Tycho2	4647-01220-1	Pflag		RAmdeg	264.73171717	DEmdeg	84.04525946
PmRA	-15.4	PmDE	33.8	E RAmdeg	13	E DEmdeg	12
E pmRA	1.3	E pmDE	1.3	EpRAm	1990.14	EpDEm	1990.03
Num	8	Q RAmdeg	1.2	Q DEmdeg	1.0	Q pmRA	1.2
Q pmDE	1.0	BTmag	10.027	E BTmag	0.025	VTmag	9.457
E VTmag	0.019	Prox	339	TYC	T	HIP
CCDM		RAdeg	264.73205889	DEdeg	84.04518167	EpRA 1990	1.67
EpDE 1990	1.68	E RAdeg	12.5	E DEdeg	12.9	Posflg
Corr	0.0

17389+8403 B

Componente originario normalizzato	AB		Coord arcsec 2000	173857.47+840223.7		Mag	9.67		PmRA	-14.00
PmDE	34.0		DM	BD+84 398		Calc delta mag	0.21		Calc coord	yes