20144+8032 STF 2694 (HD 194375)

20^h 14^m 26.13^s +80° 31' 54.5" P.A. 345.00 sep 4.3 mag 6.85,9.58 Sp B9.5IV dist. 129.53 pc (422.53 l.y.)

Coord 2000	20144+8032	Discov num	STF2694	Comp		Coord arcsec 2000	20 14 26.13 +80 31 54.5
Date first	1832	Date last	2016	Obs	18
Pa first	346	Pa last	344.9	P.A. Now (θ)	344.9°
Sep first	3.7	Sep last	4.254	Sep. Now (ρ)	4.254"
Mag pri	6.85	Mag sec	9.58	delta mag (ΔM)	2.73	Spectral class	B9.5IV (blue-white)
Pri motion ra	+016	Sec motion ra	+015
Pri motion dec	-021	Sec motion dec	-021
Notes

rPM=0.038 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 194375	Constellation	Draco	SAO	3364	HIP	99759
Tycho2	4593-02548-1	Gaia DR2	2292242363913579392	HD	194375	GC	28266
BD	BD+80 650	Distance	129.53	Distance ly	422.53

WDS 20144+8032 STF 2694 (HD 194375) : 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
20144+8032	STF2694		2005	16	345	4.2	6.85	9.58	B9.5IV	D	201426.13+803154.5
20144+8032	STF2694		2012	17	343	4.1	6.85	9.58	B9.5IV	D	201426.13+803154.5
20144+8032	STF2694		2016	18	345	4.3	6.85	9.58	B9.5IV		201426.13+803154.5

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

WDS 20144+8032 STF 2694 (HD 194375) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20144+8032 STF 2694 (HD 194375) : MEASURES

No records found.

WDS 20144+8032 (HD 194375) : 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 20144+8032 (HD 194375) : ALADIN DSS IMAGE @ 20^h 14^m 26.13^s +80° 31' 54.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20144+8032 STF 2694 (HD 194375) : 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		20144+8032	STF2694		345	4.3	1
Show		20165+8109	STT 526		167	1.3	38
Show		19571+8031	LDS1924		270	7.5	43
Show		20094+8114	LOC 439		78	3.9	45
Show		19562+8028	KPP4178		181	55.7	46
Show		20295+8105	STT 593	AB	36	214.4	50
Show		19589+8000	LOC 424		204	4.8	51
Show		20295+8105	BUP 212	BC	293	100.4	53
Show		19547+8010	LOC 426		50	1.7	55
Show		20108+8127	LOC 440		158	1.4	56
Show		20084+8127	HU 957		144	4.9	58
Show		20282+8125	BUP 211	AB	11	109.5	63
Show		20282+8125	STH 7	AC	282	196.6	63
Show		19593+7941	TDT1902		119	0.6	65
Show		19593+8138	MLR 231		242	0.3	76
Show		19560+7927	STF2647		258	8.5	81
Show		20255+8152	LOC 452		150	1.1	85
Show		20167+8156	LOC 441		139	1.0	85
Show		20119+7847	LOC 437		230	34.9	106
Show		20195+7836	WFC 232		143	3.8	118
Show		20156+7826	LOC 436		217	9.5	126
Show		20277+7828	KPP4200		166	1.7	129
Show		20291+7819	KPP1433		234	10.8	139
Show		20277+8257	MLR 234		94	0.6	149
Show		20200+8306	LOC 454		145	7.8	155
Show		20062+7756	LOC 435		260	1.0	158
Show		20178+8314	LOC 442		74	1.5	163
Show		20323+7753	LOC 450		293	3.2	167
Show		19554+7754	LOC 421		290	3.5	167
Show		20089+7743	STF2675	AB	120	7.3	170
Show		20089+7743	STF2675	AC	334	170.2	170
Show		19570+8319	WFC 227		50	5.9	171
Show		19589+8325	HDS2845		187	0.7	176
Show		19553+8327	LDS1926		140	7.7	180
Show		20118+7730	LOC 433		132	1.7	183
Show		20228+8334	TDT2220		59	0.4	183
Show		20152+8335	UC 4127		43	42.7	183
Show		20077+8336	LOC 443		8	1.4	185
Show		20077+7718	OL 122		203	2.5	195
Show		20089+7715	LDS1928	AB	166	5.4	198
Show		20319+8350	LOC 456		266	1.1	201
Show		20100+7711	PLT 8		78	24.2	202
Show		20006+7709	LOC 434		176	2.1	207
Show		20159+7649	LOC 432		343	4.1	224
Show		20095+7651	SKF2805		347	158.7	224
Show		20066+7643	TDT1986		138	0.7	231
Show		20248+7641	TDT2248		243	0.4	233
Show		20066+7639	SKF2804		345	19.0	235
Show		20304+7634	TDT2327		320	0.6	243
Show		19591+7630	HU 956	AB	88	0.9	246
Show		19591+7630	HU 956	AC	132	138.9	246

WDS 20144+8032 : COMPONENTS

	A
B	pa=357.5° sep=4.11"

20144+8032 A

Componente originario normalizzato	AB	Name	HD 194375	Coord arcsec 2000	201426.13+803154.5	Mag	6.85
Spectral class	B9.5IV (blue-white)	PmRA	16.00	PmDE	-21.0	SAO	3364
HIP	99759	Tycho2	4593-02548-1	HD	194375	GC	28266
BD	BD+80 650

Tycho2

Tycho2	4593-02548-1	Pflag		RAmdeg	303.60889285	DEmdeg	80.53181584
PmRA	16.4	PmDE	-21.0	E RAmdeg	4	E DEmdeg	4
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.44	EpDEm	1991.51
Num	11	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.6
Q pmDE	1.2	BTmag	6.803	E BTmag	0.015	VTmag	6.845
E VTmag	0.010	Prox	42	TYC	T	HIP	99759
CCDM	A	RAdeg	303.60866306	DEdeg	80.53186417	EpRA 1990	1.69
EpDE 1990	1.69	E RAdeg	3.9	E DEdeg	3.8	Posflg
Corr	-0.1

SAO

SAO	3364	DelFlag		RA1950		PmRA1950	0.0064
DE1950		PmDE1950	-0.018	Vmag	6.8	SpType	A0
Double code		Source	70	CatNum	28266	DM	BD+80 650
DMcomp		BDsup		HD	194375	M HD	0
GC	28266	RA1950rad	5.31173336	DE1950rad	1.4028362	PmRA2000	0.0075
PmDE2000	-0.02

Hipparcos

Catalog	H	HIP	99759	Proxy	H	RAhms	20 14 26.07
DEdms	+80 31 54.7	Vmag	6.8	VarFlag		R Vmag	H
RAdeg	303.609	DEdeg	80.5319	AstroRef	A	Plx	8.11
CCDM	20144+8032	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	345	Rho	4.197	HD	194375	BD	BD+80 650
CD		CP		Dm number	+80 650	VIred	-0.02
SpType	A0	R SpType		Coord arcsec 2000	201426.07+803154.7

Hipparcos 2

HIP	99759	Sn	15	So	3	Nc	2
RArad	5.2989704775	DErad	1.4055462027	Plx	7.72	PmRA	15.32
PmDE	-21.16	E RArad	0.37	E DErad	0.35	E Plx	0.4
E pmRA	0.44	E pmDE	0.46	Hpmag	6.811	E Hpmag	0.0009
SHp	0.007	VA	0	BV	0.007	E BV	0.008
VI	0.03

CCDM

Ccdm	20144+8032	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.84	DDEs	-5.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.8	Sp	A0	PmNote	*
PmRA	3	PmDE	-19	Dm number	+80 650	Cat1	BD
Name2	+80 424	Cat2	AGK2/3	HD	194375	M HD
ADS BDS	A13708	M ADS BDS		N IDS		IDS	20202N8013A
HIC	99759

20144+8032 B

Componente originario normalizzato	AB		Coord arcsec 2000	201426.06+803158.6		Mag	9.58		PmRA	15.00
PmDE	-21.0		Calc delta mag	2.73		Calc coord	yes

CCDM

Ccdm	20144+8032	RComp		Comp	B	Note1
Note2		Discov num	STF2694	DRAs		DDEs
R dRAs		Year	1832	Theta	346	Rho	4.0
Obs	7	Vmag	10.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13708	M ADS BDS		N IDS		IDS	20202N8013B
HIC	99759