20284+5430 STF 2693 (HD 195372)

20^h 28^m 24.22^s +54° 30' 05.4" P.A. 12.00 sep 13.7 mag 8.17,9.23 Sp A0

Coord 2000	20284+5430	Discov num	STF2693	Comp		Coord arcsec 2000	20 28 24.22 +54 30 05.4
Date first	1830	Date last	2016	Obs	30
Pa first	13	Pa last	12	P.A. Now (θ)	12°
Sep first	13.5	Sep last	13.743	Sep. Now (ρ)	13.743"
Mag pri	8.17	Mag sec	9.23	delta mag (ΔM)	1.06	Spectral class	A0 (white)
Pri motion ra	+006	Sec motion ra	+007
Pri motion dec	+004	Sec motion dec	+005
Notes	N (See Notes)

rPM=0.164 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 195372		Constellation	Cygnus		SAO	32613		Tycho2	3954-02777-1
Gaia DR2	2185013763732287104		HD	195372		GC	28507

WDS 20284+5430 STF 2693 (HD 195372) : NOTES

discov_num	notes	refcode
STF2693	B is BD+54@2357.

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
20284+5430	STF2693		2008	22	12	13.6	8.17	9.23	A0	N D	202824.22+543005.4
20284+5430	STF2693		2009	23	12	13.8	8.17	9.23	A0	N D	202824.22+543005.4
20284+5430	STF2693		2010	25	12	13.6	8.17	9.23	A0	N	202824.22+543005.4
20284+5430	STF2693		2015	29	12	13.8	8.17	9.23	A0	N	202824.22+543005.4
20284+5430	STF2693		2016	30	12	13.7	8.17	9.23	A0	N	202824.22+543005.4

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

WDS 20284+5430 STF 2693 (HD 195372) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20284+5430 STF 2693 (HD 195372) : MEASURES

No records found.

WDS 20284+5430 (HD 195372) : VIRTUAL EYEPIECE

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

WDS 20284+5430 (HD 195372) : ALADIN DSS IMAGE @ 20^h 28^m 24.22^s +54° 30' 05.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20284+5430 STF 2693 (HD 195372) : 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		20284+5430	STF2693		12	13.7
Show		20298+5436	STI2536		91	7.5	15
Show		20306+5439	MLR 589		310	1.6	22
Show		20255+5434	GIC 157		298	27.6	26
Show		20278+5456	TDT2293		261	0.8	27
Show		20255+5441	HJ 1516	AB	147	47.3	28
Show		20255+5441	HJ 1516	AC	204	50.3	28
Show		20301+5407	TDS1077		12	1.0	28
Show		20252+5437	STI2524		60	14.0	30
Show		20264+5402	FRK 9		238	59.8	34
Show		20264+5500	STI2528		214	10.1	35
Show		20247+5446	TDT2247		213	0.6	36
Show		20239+5420	HDS2914		213	0.2	41
Show		20331+5420	STI2539		255	10.1	43
Show		20281+5513	STI2533		198	10.0	44
Show		20257+5508	A 1429		187	0.7	45
Show		20280+5343	TDT2298		60	0.5	48
Show		20241+5358	MLR 608		278	1.9	50
Show		20244+5509	TDT2241		263	1.7	53
Show		20312+5519	A 1678		351	2.4	55
Show		20315+5520	TDS1079		126	0.9	57
Show		20260+5526	STI2527		81	5.2	60
Show		20354+5435	STI2543		208	3.2	61
Show		20222+5437	STI2521		123	7.1	64
Show		20358+5435	ES 991	AB	297	15.9	65
Show		20358+5435	ES 991	AC	106	61.7	65
Show		20246+5527	MLR 588		245	0.2	66
Show		20358+5435	ES 991	CD	120	2.6	66
Show		20248+5534	TDS1071		184	0.9	71
Show		20231+5504	OL 74		41	3.9	71
Show		20368+5431	TDT2419		80	0.8	74
Show		20223+5338	BU 666		115	2.6	75
Show		20369+5429	STI2545		159	3.2	76
Show		20209+5511	TDT2197		241	2.0	77
Show		20256+5544	KPP4196		114	2.7	79
Show		20375+5437	STI2546		38	8.9	80
Show		20376+5429	KPP2376		92	20.5	80
Show		20228+5325	STF2681	AB	39	6.8	82
Show		20228+5325	STF2681	AC	199	38.2	82
Show		20228+5325	STF2681	AD	166	42.0	82
Show		20228+5325	STF2681	CD	101	23.3	83
Show		20351+5524	STI2542		337	5.5	86
Show		20205+5336	BU 663	AB	305	6.9	89
Show		20205+5336	BU 663	AC	69	6.5	89
Show		20205+5336	BU 663	AD	232	12.2	89
Show		20189+5503	KPP 932		255	7.7	89
Show		20377+5351	A 1681	AB	209	4.4	91
Show		20377+5351	A 1681	AC	339	56.9	91
Show		20385+5453	STI2548		168	13.8	91
Show		20388+5447	STI2550		183	12.4	92
Show		20295+5604	KUI 97		129	0.8	95

WDS 20284+5430 : COMPONENTS

	A
B	pa=7.0° sep=13.54"

20284+5430 A

Componente originario normalizzato	AB	Name	HD 195372	Coord arcsec 2000	202824.22+543005.4	Mag	8.17
Spectral class	A0 (white)	PmRA	6.00	PmDE	4.0	SAO	32613
Tycho2	3954-02777-1	HD	195372	GC	28507	DM	BD+54 2356

Tycho2

Tycho2	3954-02777-1	Pflag		RAmdeg	307.10092828	DEmdeg	54.50151126
PmRA	7.5	PmDE	4.9	E RAmdeg	5	E DEmdeg	6
E pmRA	1.5	E pmDE	1.6	EpRAm	1991.53	EpDEm	1991.30
Num	8	Q RAmdeg	1.2	Q DEmdeg	1.3	Q pmRA	1.3
Q pmDE	1.3	BTmag	8.128	E BTmag	0.016	VTmag	8.170
E VTmag	0.012	Prox	137	TYC	T	HIP
CCDM		RAdeg	307.10089889	DEdeg	54.50149972	EpRA 1990	1.73
EpDE 1990	1.56	E RAdeg	4.9	E DEdeg	5.5	Posflg
Corr	0.0

SAO

SAO	32613	DelFlag		RA1950		PmRA1950	-0.0013
DE1950		PmDE1950	0.017	Vmag	8	SpType	A0
Double code		Source	70	CatNum	28507	DM	BD+54 2356
DMcomp		BDsup		HD	195372	M HD	0
GC	28507	RA1950rad	5.35415587	DE1950rad	0.94831151	PmRA2000	-0.0009
PmDE2000	0.015

CCDM

Ccdm	20284+5430	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.27	DDEs	4.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.1	Sp	A0	PmNote	*
PmRA	10	PmDE	-2	Dm number	+54 2356	Cat1	BD
Name2	+54 1323	Cat2	AGK2/3	HD	195372	M HD
ADS BDS	A13903	M ADS BDS		N IDS		IDS	20258N5410A
HIC

20284+5430 B

Componente originario normalizzato	AB		Coord arcsec 2000	202824.41+543018.8		Mag	9.23		PmRA	7.00
PmDE	5.0		Tycho2	3954-02778-1		Calc delta mag	1.06		Calc coord	yes

Tycho2

Tycho2	3954-02778-1	Pflag		RAmdeg	307.10228871	DEmdeg	54.50524257
PmRA	8.1	PmDE	6.4	E RAmdeg	11	E DEmdeg	12
E pmRA	1.4	E pmDE	1.4	EpRAm	1990.66	EpDEm	1990.45
Num	7	Q RAmdeg	0.9	Q DEmdeg	1.7	Q pmRA	0.9
Q pmDE	1.7	BTmag	9.529	E BTmag	0.021	VTmag	9.225
E VTmag	0.019	Prox	137	TYC	T	HIP
CCDM		RAdeg	307.10225639	DEdeg	54.50522806	EpRA 1990	1.69
EpDE 1990	1.61	E RAdeg	11.0	E DEdeg	11.6	Posflg
Corr	0.1

CCDM

Ccdm	20284+5430	RComp		Comp	B	Note1
Note2		Discov num	STF2693	DRAs	0.54	DDEs	19.1
R dRAs	10	Year	1830	Theta	013	Rho	13.7
Obs	5	Vmag	9.6	Sp		PmNote	*
PmRA	4	PmDE	11	Dm number	+54 2357	Cat1	BD
Name2	+54 1324	Cat2	AGK2/3	HD		M HD
ADS BDS	A13903	M ADS BDS		N IDS		IDS	20258N5410B
HIC