04198+2344 STF 523 AC

04^h 19^m 45.68^s +23° 44' 17.9" P.A. 50.00 sep 108.6 mag 7.59,8.92 Sp B9.5V dist. 990.1 pc (3229.71 l.y.)

Coord 2000	04198+2344	Discov num	STF 523	Comp	AC	Coord arcsec 2000	04 19 45.68 +23 44 17.9
Date first	1892	Date last	2015	Obs	22
Pa first	48	Pa last	49.7	P.A. Now (θ)	49.7°
Sep first	108.3	Sep last	108.603	Sep. Now (ρ)	108.603"
Mag pri	7.59	Mag sec	8.92	delta mag (ΔM)	1.33	Spectral class	B9.5V (blue-white)
Pri motion ra	-006	Sec motion ra	+009
Pri motion dec	+002	Sec motion dec	-014
Notes

rPM=1.318

This double is not physical.

04198+2344 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 27335	76552	04 19 46 +23 44 18	STF 523 AB	2020	34	163	10.1	7.58	9.86	2.28
Show		76552	04 19 46 +23 44 18	STF 523 AC	2015	22	50	108.6	7.59	8.92	1.33		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Taurus	SAO	76552	HIP	20209	Tycho2	1816-01231-1
Gaia DR2	149080655603642624	HD	284287	BD	BD+23 673	Distance	990.1
Distance ly	3229.71

WDS 04198+2344 STF 523 AC : 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
04198+2344	STF 523	AC	2007	15	50	109.4	7.59	8.92		D	041945.68+234417.9
04198+2344	STF 523	AC	2010	16	50	108.3	7.59	8.92		D	041945.68+234417.9
04198+2344	STF 523	AC	2011	17	50	108.6	7.59	8.92		D	041945.68+234417.9
04198+2344	STF 523	AC	2015	19	50	108.6	7.59	8.92	B9.5V		041945.68+234417.9

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

WDS 04198+2344 STF 523 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04198+2344 STF 523 AC : MEASURES

No records found.

WDS 04198+2344 : 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 04198+2344 : ALADIN DSS IMAGE @ 04^h 19^m 45.68^s +23° 44' 17.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04198+2344 STF 523 AC : 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		04198+2344	STF 523	AB	163	10.1
Show		04198+2344	STF 523	AC	50	108.6
Show		04198+2339	POU 438		219	5.3	6
Show		04202+2336	POU 440		144	18.8	10
Show		04191+2402	OCC 277		-1	0.1	20
Show		04190+2404	POU 433		354	4.4	23
Show		04195+2407	POU 436		43	8.1	23
Show		04181+2402	POU 431		47	3.8	29
Show		04191+2413	POU 434		341	16.4	30
Show		04204+2313	POU 441		216	17.2	32
Show		04187+2313	POU 432		111	8.9	35
Show		04182+2317	PAT 3		141	1.3	35
Show		04184+2415	LDS5537		125	54.2	36
Show		04219+2325	LDS5546		232	91.8	36
Show		04171+2358	POU 430		85	17.0	39
Show		04197+2300	J 1086		93	5.1	45
Show		04225+2318	POU 443		268	11.2	46
Show		04206+2429	COU 704	AB	83	1.9	48
Show		04206+2429	POU 442	AC	278	8.2	48
Show		04192+2433	POU 435		223	16.7	50
Show		04217+2303	LDS5544		96	127.0	50
Show		04164+2406	LDS6126		300	124.9	52
Show		04158+2331	BU 86	AB	49	4.5	56
Show		04158+2331	BU 86	AC	266	27.5	56
Show		04157+2343	POU 429		170	11.2	56
Show		04182+2248	STF 520		82	0.6	60
Show		04166+2259	LDS1159		281	6.8	63
Show		04154+2405	HDS 541		311	0.4	64
Show		04241+2411	POU 446		111	2.9	66
Show		04241+2413	DAM1009	AB	158	2.3	67
Show		04241+2413	DAM1009	AC	296	6.8	67
Show		04240+2418	BAG 13	Ba,Bb	110	0.0	67
Show		04240+2418	STF 534	BC	338	110.7	67
Show		04242+2412	DBR 57		256	4.8	67
Show		04240+2418	STF 534	AB	291	29.1	68
Show		04241+2313	LDS1169		18	7.2	68
Show		04150+2325	POU 428		17	11.9	69
Show		04243+2414	POU 448		205	5.2	70
Show		04158+2300	FOX 137		158	6.5	71
Show		04246+2319	POU 450		201	11.7	72
Show		04147+2356	POU 427		233	8.3	72
Show		04146+2331	POU 426		67	11.0	73
Show		04202+2457	POU 439		17	17.3	73
Show		04171+2240	LDS1161		106	97.0	74
Show		04251+2341	POU 451		79	10.7	74
Show		04166+2447	LDS1158		11	3.5	76
Show		04252+2349	POU 452		340	6.2	76
Show		04253+2348	HDS 568	DE	3	29.1	77
Show		04173+2454	J 894		15	3.3	77
Show		04245+2424	POU 449		285	6.0	77
Show		04217+2230	LDS5545		103	103.9	80

WDS 04198+2344 : COMPONENTS

	A	B
B	pa=164.0° sep=10.02"
C	pa=47.2° sep=103.35"	pa=42.4° sep=108.25"

04198+2344 A

Name	HD 27335	Coord arcsec 2000	041945.68+234417.9	Mag	7.58	Spectral class	B9.5V (blue-white)
PmRA	-6.00	PmDE	2.0	SAO	76552	Tycho2	1816-01231-1
HD	27335	GC	5218	DM	BD+23 672

Tycho2

Tycho2	1816-01231-1	Pflag		RAmdeg	64.94035712	DEmdeg	23.73832602
PmRA	-5.4	PmDE	3.0	E RAmdeg	5	E DEmdeg	6
E pmRA	1.2	E pmDE	1.1	EpRAm	1991.56	EpDEm	1991.19
Num	10	Q RAmdeg	1.0	Q DEmdeg	1.8	Q pmRA	0.9
Q pmDE	1.8	BTmag	7.746	E BTmag	0.016	VTmag	7.585
E VTmag	0.012	Prox	102	TYC	T	HIP
CCDM		RAdeg	64.94037056	DEdeg	23.73831889	EpRA 1990	1.82
EpDE 1990	1.59	E RAdeg	4.8	E DEdeg	5.8	Posflg
Corr	-0.1

SAO

SAO	76552	DelFlag		RA1950		PmRA1950	0.0003
DE1950		PmDE1950	0.012	Vmag	7.5	SpType	A0
Double code		Source	70	CatNum	5218	DM	BD+23 672
DMcomp		BDsup		HD	27335	M HD	0
GC	5218	RA1950rad	1.12032188	DE1950rad	0.4122273	PmRA2000	0.0002
PmDE2000	0.01

04198+2344 B

Coord arcsec 2000	041945.88+234408.3		Mag	9.86		PmRA	-9.00		PmDE	4.0
Calc delta mag	2.28		Calc coord	yes

04198+2344 C

Coord arcsec 2000	041951.20+234528.1	Mag	8.92	PmRA	9.00	PmDE	-14.0
SAO	76553	HIP	20209	Tycho2	1816-00604-1	HD	284287
BD	BD+23 673	Calc delta mag	1.34	Calc coord	yes

Tycho2

Tycho2	1816-00604-1	Pflag		RAmdeg	64.96547091	DEmdeg	23.75785675
PmRA	11.1	PmDE	-13.1	E RAmdeg	11	E DEmdeg	13
E pmRA	0.9	E pmDE	0.9	EpRAm	1988.49	EpDEm	1987.77
Num	13	Q RAmdeg	0.8	Q DEmdeg	0.6	Q pmRA	0.8
Q pmDE	0.7	BTmag	9.505	E BTmag	0.025	VTmag	8.922
E VTmag	0.020	Prox	999	TYC	T	HIP	20209
CCDM		RAdeg	64.96544444	DEdeg	23.75788639	EpRA 1990	1.75
EpDE 1990	1.70	E RAdeg	12.2	E DEdeg	13.7	Posflg
Corr	0.2

SAO

SAO	76553	DelFlag		RA1950		PmRA1950	0.0011
DE1950		PmDE1950	-0.005	Vmag	9	SpType	F2
Double code		Source	35	CatNum	1393	DM	BD+23 673
DMcomp		BDsup		HD	284287	M HD	0
GC		RA1950rad	1.12075303	DE1950rad	0.41257273	PmRA2000	0.001
PmDE2000	-0.007

Hipparcos

Catalog	H	HIP	20209	Proxy		RAhms	04 19 51.70
DEdms	+23 45 28.4	Vmag	8.9	VarFlag		R Vmag	H
RAdeg	64.9654	DEdeg	23.7579	AstroRef		Plx	2.56
CCDM	04198+2345	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	284287	BD	BD+23 673
CD		CP		Dm number	+23 673	VIred	0.62
SpType	F2	R SpType		Coord arcsec 2000	041951.70+234528.4

Hipparcos 2

HIP	20209	Sn	5	So	0	Nc	1
RArad	1.1338607122	DErad	0.4146534515	Plx	1.01	PmRA	9.68
PmDE	-13.72	E RArad	0.87	E DErad	0.59	E Plx	0.96
E pmRA	1.04	E pmDE	0.82	Hpmag	9.022	E Hpmag	0.0023
SHp	0.015	VA	0	BV	0.573	E BV	0.03
VI	0.65