20119+6431 STF 2660 (HD 192618)

20^h 11^m 55.09^s +64° 30' 31.8" P.A. 166.00 sep 22.3 mag 8.71,9.32 Sp F0

Coord 2000	20119+6431	Discov num	STF2660	Comp		Coord arcsec 2000	20 11 55.09 +64 30 31.8
Date first	1831	Date last	2015	Obs	28
Pa first	168	Pa last	165.8	P.A. Now (θ)	165.8°
Sep first	22.0	Sep last	22.331	Sep. Now (ρ)	22.331"
Mag pri	8.71	Mag sec	9.32	delta mag (ΔM)	0.61	Spectral class	F0 (yellow-white)
Pri motion ra	+014	Sec motion ra	+014
Pri motion dec	+036	Sec motion dec	+034
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.052 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 192618		Constellation	Draco		SAO	18756		Tycho2	4240-00719-1
Gaia DR2	2244782219379364480		HD	192618		GC	28079

WDS 20119+6431 STF 2660 (HD 192618) : NOTES

discov_num	notes	refcode
STF2660	LDS2448. B is BD+64@1424.

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
20119+6431	STF2660		1999	20	166	22.3	8.71	9.32	F0	N D	201155.09+643031.8
20119+6431	STF2660		2010	21	166	22.4	8.71	9.32	F0	N D	201155.09+643031.8
20119+6431	STF2660		2015	24	166	22.3	8.71	9.32	F0	N	201155.09+643031.8

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

WDS 20119+6431 STF 2660 (HD 192618) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20119+6431 STF 2660 (HD 192618) : MEASURES

No records found.

WDS 20119+6431 (HD 192618) : VIRTUAL EYEPIECE

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

WDS 20119+6431 (HD 192618) : ALADIN DSS IMAGE @ 20^h 11^m 55.09^s +64° 30' 31.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20119+6431 STF 2660 (HD 192618) : 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		20119+6431	STF2660		166	22.3
Show		20142+6429	STI 958		6	7.3	15
Show		20102+6419	STI 950		200	6.5	17
Show		20154+6412	MLR 60	AB	173	0.2	30
Show		20154+6412	LDS5245	AC	122	20.0	30
Show		20154+6412	SHY 772	AD	247	999.9	30
Show		20137+6353	LDS2449		165	24.9	40
Show		20171+6410	STI 961		179	6.7	40
Show		20074+6511	HJL1102		123	126.7	50
Show		20085+6346	STI 947		320	11.1	50
Show		20042+6434	BU 1479		46	43.0	51
Show		20035+6412	TDT1939		330	0.8	58
Show		20047+6353	STF2640	AB	14	5.7	60
Show		20047+6353	STF2640	AC	81	153.0	60
Show		20178+6343	STI 962		182	14.9	62
Show		20023+6438	STTA200	AB	332	98.9	63
Show		20023+6438	STTA200	AC	190	27.0	63
Show		20052+6346	BU 470		210	2.6	63
Show		20056+6342	STF2642	AB	191	1.8	64
Show		20056+6342	STF2642	AC	34	68.6	64
Show		20086+6328	STI 948		321	17.9	68
Show		20212+6359	BU 1134		81	4.3	69
Show		20015+6449	H 6 38	AB	171	193.1	70
Show		20198+6333	LDS2451		85	25.4	70
Show		20183+6526	MLB 219		333	2.9	71
Show		20117+6542	TDT2071		65	0.8	72
Show		20012+6409	UC 4066		95	15.8	73
Show		20229+6411	STF2685		347	4.2	74
Show		20185+6533	KPP 467		243	4.7	76
Show		20023+6515	STI 941		96	11.7	76
Show		20061+6538	TDT1975		274	0.8	77
Show		20213+6341	STI 971		141	7.1	79
Show		20034+6330	STF2632		299	26.2	83
Show		19582+6430	UC 4059		43	8.6	89
Show		20185+6313	HJ 2958		316	9.5	89
Show		20010+6323	STI 940		69	14.1	99
Show		20194+6600	TDT2167		125	0.4	101
Show		19567+6347	DAM 311		70	9.5	109
Show		20276+6513	UC 4188		18	30.7	109
Show		19567+6346	VAT 5		215	6.4	110
Show		20258+6325	STI 979		52	6.7	112
Show		19579+6326	HU 955		338	3.0	113
Show		20070+6618	STF2650		228	21.9	113
Show		20207+6609	SKF2610		187	13.0	113
Show		20129+6236	STI 954		286	9.4	115
Show		19546+6408	AG 394		274	22.1	115
Show		19563+6337	UC 4055		134	61.1	116
Show		20298+6400	MLR 52		32	0.2	121
Show		19579+6258	HJ 2923	AB	351	28.5	121
Show		19528+6411	STF2604		182	28.0	126
Show		20081+6227	STI 946		302	5.3	127

WDS 20119+6431 : COMPONENTS

	A
B	pa=173.8° sep=21.78"

20119+6431 A

Componente originario normalizzato	AB	Name	HD 192618	Coord arcsec 2000	201155.09+643031.8	Mag	8.71
Spectral class	F0 (yellow-white)	PmRA	14.00	PmDE	36.0	SAO	18756
Tycho2	4240-00719-1	HD	192618	GC	28079	DM	BD+64 1423

Tycho2

Tycho2	4240-00719-1	Pflag		RAmdeg	302.97955885	DEmdeg	64.50884625
PmRA	13.2	PmDE	35.3	E RAmdeg	8	E DEmdeg	8
E pmRA	1.5	E pmDE	1.5	EpRAm	1991.31	EpDEm	1991.47
Num	8	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	1.0
Q pmDE	0.8	BTmag	9.086	E BTmag	0.018	VTmag	8.710
E VTmag	0.014	Prox	223	TYC	T	HIP
CCDM		RAdeg	302.97948861	DEdeg	64.50876750	EpRA 1990	1.87
EpDE 1990	1.96	E RAdeg	7.7	E DEdeg	8.0	Posflg
Corr	0.1

SAO

SAO	18756	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	0.048	Vmag	8.6	SpType	F0
Double code		Source	70	CatNum	28079	DM	BD+64 1423
DMcomp		BDsup		HD	192618	M HD	0
GC	28079	RA1950rad	5.28532417	DE1950rad	1.12324701	PmRA2000	0.0021
PmDE2000	0.045

20119+6431 B

Componente originario normalizzato	AB	Coord arcsec 2000	201155.46+643010.2	Mag	9.32	PmRA	14.00
PmDE	34.0	SAO	18757	Tycho2	4240-00627-1	HD	192619
DM	BD+64 1424	Calc delta mag	0.61	Calc coord	yes

Tycho2

Tycho2	4240-00627-1	Pflag		RAmdeg	302.98309204	DEmdeg	64.50283251
PmRA	15.2	PmDE	31.9	E RAmdeg	12	E DEmdeg	13
E pmRA	1.5	E pmDE	1.4	EpRAm	1990.47	EpDEm	1990.25
Num	8	Q RAmdeg	0.8	Q DEmdeg	1.5	Q pmRA	0.8
Q pmDE	1.6	BTmag	9.859	E BTmag	0.026	VTmag	9.324
E VTmag	0.020	Prox	223	TYC	T	HIP
CCDM		RAdeg	302.98301583	DEdeg	64.50275750	EpRA 1990	1.89
EpDE 1990	1.96	E RAdeg	12.6	E DEdeg	14.1	Posflg
Corr	0.0

SAO

SAO	18757	DelFlag		RA1950		PmRA1950	0.004
DE1950		PmDE1950	0.036	Vmag	9	SpType	F5
Double code		Source	2	CatNum	967	DM	BD+64 1424
DMcomp		BDsup		HD	192619	M HD	0
GC		RA1950rad	5.28538787	DE1950rad	1.12313893	PmRA2000	0.0045
PmDE2000	0.033