05187+0359 STF 682 AB (HD 34581)

05^h 18^m 41.36^s +03° 58' 54.0" P.A. 118.00 sep 16.1 mag 9.30,10.52 Sp F8 dist. 53.62 pc (174.91 l.y.)

Coord 2000	05187+0359	Discov num	STF 682	Comp	AB	Coord arcsec 2000	05 18 41.36 +03 58 54.0
Date first	1831	Date last	2020	Obs	22
Pa first	89	Pa last	117.9	P.A. Now (θ)	117.9°
Sep first	20.0	Sep last	16.084	Sep. Now (ρ)	16.084"
Mag pri	9.30	Mag sec	10.52	delta mag (ΔM)	1.22	Spectral class	F8 (yellow-white)
Pri motion ra	+042	Sec motion ra	+002
Pri motion dec	+043	Sec motion dec	+001
Notes	N U W (See Notes, Proper motion indicates non-physical, )

rPM=0.965

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 34581	Constellation	Orion	SAO	112618	HIP	24774
Tycho2	0108-01789-1	HD	34581	GC	6502	BD	BD+03 845
Distance	53.62	Distance ly	174.91

WDS 05187+0359 STF 682 AB (HD 34581) : NOTES

discov_num	notes	refcode
STF 682	BAL 2143.
	HIP 24774. The B-companion could possibly be a semi-resolved binary.

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
05187+0359	STF 682	AB	2020	22	118	16.1	9.30	10.52	F8	NUW	051841.36+035854.0

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WDS 05187+0359 STF 682 AB (HD 34581) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 05187+0359 STF 682 AB (HD 34581) : MEASURES

No records found.

WDS 05187+0359 (HD 34581) : 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 05187+0359 (HD 34581) : ALADIN DSS IMAGE @ 05^h 18^m 41.36^s +03° 58' 54.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 05187+0359 STF 682 AB (HD 34581) : 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		05187+0359	STF 682	AB	118	16.1
Show		05175+0354	BAL2142	AB	296	21.4	20
Show		05175+0354	BAL2142	AC	289	9.2	20
Show		05181+0342	A 2639		277	0.8	20
Show		05202+0414	BAL2631		261	16.3	28
Show		05189+0318	HEI 656		81	2.3	41
Show		05159+0345	A 2638		280	1.0	45
Show		05177+0441	STF 678	AB	103	3.6	45
Show		05177+0441	STF 678	AC	338	78.2	45
Show		05218+0418	BAL2632		194	4.8	50
Show		05164+0321	GWP 664		116	89.9	51
Show		05223+0409	TDS3162		8	1.8	55
Show		05147+0351	BAL2140		9	16.8	61
Show		05145+0358	GWP 658		348	15.4	64
Show		05220+0319	TDS3160		219	1.5	64
Show		05221+0318	BAL2144	AB	79	15.6	66
Show		05221+0318	BKO 14	AC	87	54.4	66
Show		05228+0333	STF 696		29	32.0	68
Show		05233+0416	TDS3171		102	1.9	72
Show		05227+0437	KPP1033		262	8.3	72
Show		05235+0346	BAL2145		201	16.7	73
Show		05145+0318	BAL2139		23	3.1	75
Show		05158+0259	KU 86	AB	117	35.9	75
Show		05158+0259	SIN 13	AC	79	125.8	75
Show		05136+0413	HDS 692		71	0.1	77
Show		05133+0404	BAL2138		50	14.6	81
Show		05134+0341	TOK 211		354	1.3	81
Show		05191+0234	GMC 12		227	11.4	85
Show		05240+0442	SKF2191		93	25.3	90
Show		05131+0328	BAL2137		201	6.7	91
Show		05133+0449	TOI 947		71	2.0	96
Show		05130+0317	TDS3111		81	0.7	96
Show		05150+0238	J 405		316	1.9	99
Show		05152+0522	TDS 166		146	1.1	99
Show		05151+0237	HEI 655		86	0.2	99
Show		05151+0522	GWP 660		213	47.0	99
Show		05122+0415	BAL2629		6	9.4	99
Show		05222+0524	STT 106	AB	40	9.5	100
Show		05222+0524	TOK 497	AC	119	999.9	100
Show		05197+0539	STZ 1	AB	69	5.2	101
Show		05197+0539	STZ 1	AC	55	9.2	101
Show		05226+0236	A 2641		125	0.6	102
Show		05248+0315	CLZ 26		248	50.3	102
Show		05231+0239	CVS 589	AB	169	8.8	104
Show		05231+0239	CVS 589	AC	350	13.7	104
Show		05248+0310	BAL2146		17	20.9	105
Show		05123+0317	SKF 339		208	39.3	105
Show		05133+0252	STF 654	AB	64	6.8	106
Show		05133+0252	STF 654	AC	157	183.4	106
Show		05237+0243	CVS 632	AB	155	6.7	108
Show		05237+0243	CVS 632	AC	68	16.7	108

WDS 05187+0359 : COMPONENTS

	A
B	pa=118.0° sep=16.05"

05187+0359 A

Name	HD 34581	Coord arcsec 2000	051841.36+035854.0	Mag	9.3	Spectral class	F8 (yellow-white)
PmRA	42.00	PmDE	43.0	SAO	112618	HIP	24774
Tycho2	0108-01789-1	HD	34581	GC	6502	BD	BD+03 845

Tycho2

Tycho2	0108-01789-1	Pflag		RAmdeg	79.67234062	DEmdeg	3.98165639
PmRA	41.3	PmDE	42.2	E RAmdeg	12	E DEmdeg	15
E pmRA	1.2	E pmDE	1.2	EpRAm	1989.33	EpDEm	1988.01
Num	9	Q RAmdeg	1.1	Q DEmdeg	1.1	Q pmRA	1.1
Q pmDE	1.1	BTmag	9.933	E BTmag	0.028	VTmag	9.302
E VTmag	0.022	Prox	167	TYC	T	HIP	24774
CCDM	A	RAdeg	79.67224361	DEdeg	3.98155528	EpRA 1990	1.55
EpDE 1990	1.27	E RAdeg	13.3	E DEdeg	15.9	Posflg
Corr	-0.1

SAO

SAO	112618	DelFlag		RA1950		PmRA1950	0.0024
DE1950		PmDE1950	0.041	Vmag	9.3	SpType	F8
Double code		Source	70	CatNum	6502	DM	BD+03 845
DMcomp		BDsup		HD	34581	M HD	0
GC	6502	RA1950rad	1.37902236	DE1950rad	0.06858279	PmRA2000	0.0026
PmDE2000	0.04

Hipparcos

Catalog	H	HIP	24774	Proxy		RAhms	05 18 41.34
DEdms	+03 58 53.6	Vmag	9.29	VarFlag		R Vmag	H
RAdeg	79.6722	DEdeg	3.98156	AstroRef	A	Plx	3.81
CCDM	05187+0359	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	112	Rho	16.726	HD	34581	BD	BD+03 845
CD		CP		Dm number	+03 845	VIred	0.55
SpType	F8	R SpType		Coord arcsec 2000	051841.34+035853.6

Hipparcos 2

HIP	24774	Sn	15	So	3	Nc	2
RArad	1.3905427943	DErad	0.0694912976	Plx	18.65	PmRA	65.05
PmDE	35.91	E RArad	6.16	E DErad	4.86	E Plx	7.28
E pmRA	9.59	E pmDE	6.49	Hpmag	9.4241	E Hpmag	0.0292
SHp	0.068	VA	0	BV	0.611	E BV	0.034
VI	0.68

CCDM

Ccdm	05187+0359	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.65	DDEs	-5.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.1	Sp	F8	PmNote	*
PmRA	36	PmDE	46	Dm number	+03 845	Cat1	BD
Name2	+03 614	Cat2	AGK2/3	HD	34581	M HD
ADS BDS	B 2648	M ADS BDS		N IDS		IDS	05134N0352A
HIC	24774

05187+0359 B

Coord arcsec 2000	051842.31+035846.5		Mag	10.52		PmRA	2.00		PmDE	1.0
Calc delta mag	1.22		Calc coord	yes

CCDM

Ccdm	05187+0359	RComp		Comp	B	Note1
Note2		Discov num	STF 682	DRAs	0.36	DDEs	-13.0
R dRAs	10	Year	1914	Theta	099	Rho	18.9
Obs	3	Vmag	11.2	Sp		PmNote	*
PmRA	-2	PmDE	-1	Dm number		Cat1
Name2	+03 615	Cat2	AGK2/3	HD		M HD
ADS BDS	B 2648	M ADS BDS		N IDS		IDS	05134N0352B
HIC