06539-0424 STF 985 (HD 50637)

06^h 53^m 56.06^s -04° 23' 32.8" P.A. 323.00 sep 32.6 mag 7.78,8.39 Sp K5 dist. 540.54 pc (1763.24 l.y.)

Coord 2000	06539-0424	Discov num	STF 985	Comp		Coord arcsec 2000	06 53 56.06 -04 23 32.8
Date first	1890	Date last	2017	Obs	22
Pa first	323	Pa last	323.3	P.A. Now (θ)	323.3°
Sep first	32.3	Sep last	32.6	Sep. Now (ρ)	32.6"
Mag pri	7.78	Mag sec	8.39	delta mag (ΔM)	0.61	Spectral class	K5 (yellow-orange)
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-004	Sec motion dec	-004
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 50637	Constellation	Monoceros	SAO	133845	HIP	33124
Tycho2	4809-03007-1	Gaia DR2	3102117511968084864	HD	50637	GC	9037
BD	BD-04 1713	Distance	540.54	Distance ly	1763.24

WDS 06539-0424 STF 985 (HD 50637) : NOTES

discov_num	notes	refcode
STF 985	B is BD-04@1713.

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
06539-0424	STF 985		2002	17	323	32.6	7.78	8.39	K5	N D	065356.06-042332.8
06539-0424	STF 985		2011	18	323	32.6	7.78	8.39	K5	N D	065356.06-042332.8
06539-0424	STF 985		2017	21	323	32.6	7.78	8.39	K5	N	065356.06-042332.8

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

WDS 06539-0424 STF 985 (HD 50637) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 06539-0424 STF 985 (HD 50637) : MEASURES

No records found.

WDS 06539-0424 (HD 50637) : VIRTUAL EYEPIECE

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

WDS 06539-0424 (HD 50637) : ALADIN DSS IMAGE @ 06^h 53^m 56.06^s -04° 23' 32.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 06539-0424 STF 985 (HD 50637) : 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		06539-0424	STF 985		323	32.6
Show		06540-0428	TDS4264		331	2.5	5
Show		06544-0407	TDS4272		40	12.3	19
Show		06545-0406	RST4829		331	0.5	20
Show		06545-0442	A 61		278	2.8	21
Show		06541-0451	TDS4267		296	0.5	28
Show		06543-0454	HDS 956		271	17.0	31
Show		06559-0441	SKF1342		268	9.0	35
Show		06508-0423	TDS4205		109	0.6	47
Show		06519-0345	J 2614		168	3.4	48
Show		06514-0354	J 2758		125	3.1	48
Show		06523-0510	WNO 17	AB	181	58.9	53
Show		06523-0510	WSI 125	Ba,Bb	150	0.2	54
Show		06523-0510	TNN 6	BC	333	9.6	54
Show		06577-0435	J 2766		40	5.4	59
Show		06581-0424	TDS4333		132	3.4	63
Show		06580-0358	KPP1309		203	9.9	66
Show		06584-0438	A 326	AB	140	3.1	68
Show		06584-0438	A 326	AC	92	9.6	68
Show		06584-0438	A 326	BC	75	7.9	68
Show		06584-0432	HDS 968	AB	32	0.2	68
Show		06539-0536	J 1481	AB	60	5.2	71
Show		06539-0536	HJ 2353	AC	150	149.9	71
Show		06496-0355	RST4826		126	0.4	73
Show		06521-0531	TDS4229		243	2.7	74
Show		06510-0323	GWP 840		200	544.6	75
Show		06584-0456	TDS4338		311	0.7	75
Show		06500-0512	TDS4190		214	2.2	77
Show		06491-0453	J 1479		317	7.0	77
Show		06555-0310	BRT 540	AB	291	3.4	77
Show		06555-0310	BRT 540	AC	358	6.4	77
Show		06542-0306	TDS4269		304	0.4	79
Show		06590-0401	RST4833		303	0.8	79
Show		06569-0529	STF 998		211	3.2	79
Show		06587-0350	TDS4343		174	0.5	80
Show		06593-0420	RST4834		243	1.7	80
Show		06486-0405	A 58	AB	161	5.1	83
Show		06486-0405	GIR 1	AC	154	93.5	83
Show		06486-0405	GWP 834	AD	50	169.5	83
Show		06508-0315	HJ 399		212	8.8	83
Show		06540-0301	J 2761	AB	331	21.7	84
Show		06540-0301	J 2761	BC	191	6.4	84
Show		06595-0405	REP 119	AB	16	5.5	86
Show		06595-0405	CGR 1	Aa,Ab	136	0.2	86
Show		06595-0405	CGR 1	Aa,Ac	233	0.0	86
Show		06529-0258	BAL 88		292	19.4	87
Show		06595-0449	FGS 10		187	0.3	87
Show		06541-0551	STF 987		177	1.4	88
Show		06591-0506	TDS 308		165	1.3	89
Show		06495-0523	BRT 539		80	4.0	90
Show		06492-0521	GWP 839		286	10.6	92

WDS 06539-0424 : COMPONENTS

	A
B	pa=323.4° sep=32.57"

06539-0424 A

Componente originario normalizzato	AB	Name	HD 50637	Coord arcsec 2000	065356.06-042332.8	Mag	7.78
Spectral class	K5 (yellow-orange)	PmRA	-2.00	PmDE	-4.0	SAO	133845
HIP	33128	Tycho2	4809-03007-1	HD	50637	GC	9037
BD	BD-04 1714

Tycho2

Tycho2	4809-03007-1	Pflag		RAmdeg	103.48359600	DEmdeg	-4.39243426
PmRA	-0.9	PmDE	-2.8	E RAmdeg	6	E DEmdeg	8
E pmRA	1.0	E pmDE	1.0	EpRAm	1990.65	EpDEm	1990.10
Num	14	Q RAmdeg	1.0	Q DEmdeg	1.0	Q pmRA	1.0
Q pmDE	1.2	BTmag	9.590	E BTmag	0.025	VTmag	7.779
E VTmag	0.012	Prox	326	TYC	T	HIP	33128
CCDM		RAdeg	103.48359833	DEdeg	-4.39242667	EpRA 1990	1.83
EpDE 1990	1.77	E RAdeg	6.3	E DEdeg	7.9	Posflg
Corr	-0.1

SAO

SAO	133845	DelFlag		RA1950		PmRA1950	0.0008
DE1950		PmDE1950	-0.015	Vmag	8.3	SpType	K5
Double code		Source	70	CatNum	9037	DM	BD-04 1714
DMcomp		BDsup		HD	50637	M HD	0
GC	9037	RA1950rad	1.79531017	DE1950rad	-0.07555731	PmRA2000	0.0011
PmDE2000	-0.013

Hipparcos

Catalog	H	HIP	33128	Proxy		RAhms	06 53 56.06
DEdms	-04 23 32.7	Vmag	7.63	VarFlag	1	R Vmag	H
RAdeg	103.484	DEdeg	-4.39242	AstroRef		Plx	2.59
CCDM	06539-0423	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	50637	BD	BD-04 1714
CD		CP		Dm number	-04 1714	VIred	1.59
SpType	K5	R SpType		Coord arcsec 2000	065356.06-042332.7

Hipparcos 2

HIP	33128	Sn	5	So	0	Nc	1
RArad	1.8061294118	DErad	-0.0766622499	Plx	0.75	PmRA	-1.22
PmDE	-4.45	E RArad	0.76	E DErad	0.61	E Plx	0.87
E pmRA	1.03	E pmDE	0.79	Hpmag	7.7473	E Hpmag	0.0027
SHp	0.021	VA	0	BV	1.584	E BV	0.218
VI	1.59

06539-0424 B

Componente originario normalizzato	AB	Coord arcsec 2000	065354.76-042306.7	Mag	8.39	PmRA	-2.00
PmDE	-4.0	HIP	33124	Tycho2	4809-02012-1	HD	295777
BD	BD-04 1713	Calc delta mag	0.61	Calc coord	yes

Tycho2

Tycho2	4809-02012-1	Pflag		RAmdeg	103.47814968	DEmdeg	-4.38518214
PmRA	-1.0	PmDE	-3.2	E RAmdeg	9	E DEmdeg	11
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.33	EpDEm	1989.71
Num	9	Q RAmdeg	1.2	Q DEmdeg	1.4	Q pmRA	1.2
Q pmDE	1.4	BTmag	10.009	E BTmag	0.029	VTmag	8.390
E VTmag	0.015	Prox	326	TYC	T	HIP	33124
CCDM		RAdeg	103.47815222	DEdeg	-4.38517361	EpRA 1990	1.87
EpDE 1990	1.85	E RAdeg	9.1	E DEdeg	11.4	Posflg
Corr	0.0

Hipparcos

Catalog	H	HIP	33124	Proxy		RAhms	06 53 54.76
DEdms	-04 23 06.6	Vmag	8.3	VarFlag	2	R Vmag	H
RAdeg	103.478	DEdeg	-4.38518	AstroRef		Plx	2.22
CCDM	06539-0423	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	295777	BD	BD-04 1713
CD		CP		Dm number	-04 1713	VIred	1.71
SpType	K7	R SpType		Coord arcsec 2000	065354.76-042306.6

Hipparcos 2

HIP	33124	Sn	5	So	0	Nc	1
RArad	1.8060344417	DErad	-0.0765357825	Plx	1.85	PmRA	-0.24
PmDE	-3.61	E RArad	0.79	E DErad	0.68	E Plx	0.95
E pmRA	1.22	E pmDE	0.94	Hpmag	8.4069	E Hpmag	0.0031
SHp	0.04	VA	0	BV	1.637	E BV	0.218
VI	1.71