02030+3317 STF 201 (Eps Tri)

02^h 02^m 57.97^s +33° 17' 02.9" P.A. 119.00 sep 4.2 mag 5.52,11.40 Sp A2V dist. 120.05 pc (391.6 l.y.)

Coord 2000	02030+3317	Discov num	STF 201	Comp		Coord arcsec 2000	02 02 57.97 +33 17 02.9
Date first	1827	Date last	1990	Obs	22
Pa first	100	Pa last	119	P.A. Now (θ)	119°
Sep first	3.0	Sep last	4.19	Sep. Now (ρ)	4.19"
Mag pri	5.52	Mag sec	11.40	delta mag (ΔM)	5.88	Spectral class	A2V (white)
Pri motion ra	-016	Sec motion ra
Pri motion dec	-007	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	Eps Tri	Var name	NSV707 Tri	Constellation	Triangulum	SAO	55218
HIP	9570	Tycho2	2312-02432-1	Gaia DR2	328788886199337344	HD	12471
HR	599	GC	2458	ADS	1621	BD	BD+32 369
Bayer	Epsilon Trianguli	Bayer name	Eps Tri	Flamsteed	3 Trianguli	Flamsteed name	3 Tri
Distance	120.05	Distance ly	391.6	Bayer greek	ε Tri

WDS 02030+3317 STF 201 (Eps Tri) : NOTES

discov_num	notes	refcode
STF 201	eps Tri = 3 Tri

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
02030+3317	STF 201		1990	20	119	4.2	5.40	11.40	A2V	N	020257.97+331702.9

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WDS 02030+3317 STF 201 (Eps Tri) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02030+3317 STF 201 (Eps Tri) : MEASURES

No records found.

WDS 02030+3317 (Eps Tri) : VIRTUAL EYEPIECE

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

WDS 02030+3317 (Eps Tri) : ALADIN DSS IMAGE @ 02^h 02^m 57.97^s +33° 17' 02.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02030+3317 STF 201 (Eps Tri) : 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		02030+3317	STF 201		119	4.2
Show		02027+3313	SEI 21		79	8.9	6
Show		02015+3319	BU 872	AB	261	4.1	19
Show		02015+3319	BU 872	AC	320	101.8	19
Show		02019+3324	MLB 450	AB	151	4.8	20
Show		02019+3324	MLB 450	AC	206	30.1	20
Show		02039+3349	ES 2366		85	7.4	33
Show		02021+3347	A 1924		161	0.6	33
Show		02055+3308	ES 322		85	2.8	33
Show		02021+3236	LDS3336		73	84.0	42
Show		01591+3313	ENG 9	AB	136	86.2	49
Show		01591+3313	BUP 28	AC	11	111.0	49
Show		01591+3313	DEA 39	AD	85	50.2	49
Show		02048+3230	DAM1000		38	6.3	53
Show		01586+3334	HDS 267		173	0.2	58
Show		01581+3305	COU 860		293	1.1	63
Show		01587+3246	LDS3329		120	134.1	63
Show		02078+3340	LDS3344		155	57.5	65
Show		01579+3310	A 1920		236	1.8	65
Show		02035+3422	A 1925	AB	231	3.7	66
Show		02035+3422	A 1925	AC	154	19.6	66
Show		01596+3413	HO 11		141	4.9	71
Show		02035+3156	SEI 22		105	25.2	82
Show		02028+3440	HO 12		101	3.7	83
Show		02077+3418	A 2012		339	0.6	85
Show		02103+3322	STF 219		184	11.6	92
Show		02021+3146	CVR 410		21	10.5	93
Show		02012+3147	ES 2405		270	8.6	94
Show		02099+3233	COU 861		73	2.3	98
Show		01585+3155	AG 28		175	3.2	100
Show		02009+3141	ES 2404		338	10.4	101
Show		01576+3202	UC 20		316	19.2	102
Show		02047+3138	TOB 51		255	28.1	102
Show		02045+3137	SEI 23		72	10.2	103
Show		01581+3444	COU 859	AB	190	0.3	106
Show		01581+3444	GII 120	AC	177	0.7	106
Show		02120+3349	COU 862		280	0.7	118
Show		02011+3518	STF 197	AB	233	37.8	124
Show		02011+3518	STF 197	AC	74	39.6	124
Show		01576+3134	STF 187	AB	189	10.9	124
Show		01576+3134	BAR 21	AD	244	19.8	124
Show		01576+3134	BAR 21	BC	253	2.3	124
Show		02099+3449	HU 1034	AB	109	0.4	127
Show		02029+3525	UC 22		86	15.0	129
Show		01587+3515	KPP3471		266	1.9	130
Show		02048+3110	COU 454		258	1.0	130
Show		02095+3459	MKT 4		46	0.0	131
Show		01567+3505	ES 2144		143	6.4	134
Show		02086+3123	WIS 54		79	503.6	134
Show		01523+3355	HU 805	AB	162	2.9	139
Show		01523+3355	HU 805	AC	256	15.0	139

WDS 02030+3317 : COMPONENTS

	A
B	pa=123.5° sep=3.68"

02030+3317 A

Componente originario normalizzato	AB	Name	Eps Tri	Coord arcsec 2000	020257.97+331702.9	Mag	5.52
Spectral class	A2V (white)	PmRA	-16.00	PmDE	-7.0	SAO	55218
HIP	9570	Tycho2	2312-02432-1	HD	12471	HR	599
GC	2458	BD	BD+32 369	Bayer	Epsilon Trianguli	Bayer name	Eps Tri
Flamsteed	3 Trianguli	Flamsteed name	3 Tri

Tycho2

Tycho2	2312-02432-1	Pflag		RAmdeg	30.74148138	DEmdeg	33.28413572
PmRA	-16.7	PmDE	-6.2	E RAmdeg	3	E DEmdeg	4
E pmRA	0.9	E pmDE	0.9	EpRAm	1991.60	EpDEm	1991.40
Num	15	Q RAmdeg	1.7	Q DEmdeg	0.8	Q pmRA	1.4
Q pmDE	0.8	BTmag	5.562	E BTmag	0.014	VTmag	5.520
E VTmag	0.009	Prox	999	TYC	T	HIP	9570
CCDM		RAdeg	30.74152694	DEdeg	33.28415000	EpRA 1990	1.77
EpDE 1990	1.70	E RAdeg	3.4	E DEdeg	3.6	Posflg
Corr	-0.3

SAO

SAO	55218	DelFlag		RA1950		PmRA1950	-0.0013
DE1950		PmDE1950	-0.009	Vmag	5.4	SpType	A2
Double code		Source	70	CatNum	2458	DM	BD+32 369
DMcomp		BDsup		HD	12471	M HD	0
GC	2458	RA1950rad	0.52375774	DE1950rad	0.57672699	PmRA2000	-0.0013
PmDE2000	-0.013

Hipparcos

Catalog	H	HIP	9570	Proxy		RAhms	02 02 57.97
DEdms	+33 17 02.9	Vmag	5.5	VarFlag		R Vmag	G
RAdeg	30.7415	DEdeg	33.2842	AstroRef		Plx	8.81
CCDM	02030+3317	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	12471	BD	BD+32 369
CD		CP		Dm number	+32 369	VIred	0.07
SpType	A2V	R SpType		Coord arcsec 2000	020257.97+331702.9

Hipparcos 2

HIP	9570	Sn	5	So	0	Nc	1
RArad	0.5365408962	DErad	0.580918028	Plx	8.33	PmRA	-15.97
PmDE	-7.22	E RArad	0.27	E DErad	0.22	E Plx	0.34
E pmRA	0.35	E pmDE	0.29	Hpmag	5.5314	E Hpmag	0.0008
SHp	0.007	VA	0	BV	0.029	E BV	0.008
VI	0.07

CCDM

Ccdm	02030+3317	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.07	DDEs	3.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	5.4	Sp	A2	PmNote	*
PmRA	-18	PmDE	7	Dm number	+32 369	Cat1	BD
Name2	+33 193	Cat2	AGK2/3	HD	12471	M HD
ADS BDS	A 1621	M ADS BDS		N IDS		IDS	01571N3248A
HIC	9570

02030+3317 B

Componente originario normalizzato	AB		Coord arcsec 2000	020258.21+331700.9		Mag	11.4		Calc delta mag	5.88
Calc coord	yes

CCDM

Ccdm	02030+3317	RComp		Comp	B	Note1
Note2		Discov num	STF 201	DRAs		DDEs
R dRAs		Year	1833	Theta	118	Rho	3.9
Obs	13	Vmag	11.4	Sp		PmNote
PmRA	-11	PmDE	-18	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 1621	M ADS BDS		N IDS		IDS	01571N3248B
HIC	9570