00444+7713 STF 50 (HD 4012)

00^h 44^m 21.81^s +77° 12' 36.1" P.A. 97.00 sep 22.5 mag 8.01,10.62 Sp K5 dist. 581.4 pc (1896.53 l.y.)

Coord 2000	00444+7713	Discov num	STF 50	Comp		Coord arcsec 2000	00 44 21.81 +77 12 36.1
Date first	1831	Date last	2015	Obs	30
Pa first	76	Pa last	96.6	P.A. Now (θ)	96.6°
Sep first	15.0	Sep last	22.489	Sep. Now (ρ)	22.489"
Mag pri	8.01	Mag sec	10.62	delta mag (ΔM)	2.61	Spectral class	K5 (yellow-orange)
Pri motion ra	-009	Sec motion ra	+037
Pri motion dec	+020	Sec motion dec	-014
Notes	L (Linear solution)

rPM=1.446

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 4012	Constellation	Cassiopeia	SAO	4201	HIP	3472
Tycho2	4497-01705-1	Gaia DR2	563358701166492416	HD	4012	BD	BD+76 22
Distance	581.4	Distance ly	1896.53

WDS 00444+7713 STF 50 (HD 4012) : 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
00444+7713	STF 50		2007	12	96	22.1	8.01	10.62	K5	LD	004421.81+771236.1
00444+7713	STF 50		2015	14	97	22.5	8.01	10.62	K5	L	004421.81+771236.1

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

WDS 00444+7713 STF 50 (HD 4012) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 00444+7713 STF 50 (HD 4012) : MEASURES

No records found.

WDS 00444+7713 (HD 4012) : 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 00444+7713 (HD 4012) : ALADIN DSS IMAGE @ 00^h 44^m 21.81^s +77° 12' 36.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 00444+7713 STF 50 (HD 4012) : 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		00444+7713	STF 50		97	22.5	1
Show		00448+7700	HU 1014		162	0.7	14
Show		00431+7659	HU 1012		121	0.4	14
Show		00418+7733	MFL 2		270	11.0	23
Show		00400+7652	STTA 5		142	118.3	26
Show		00368+7718	LOC 105		38	2.9	26
Show		00354+7735	LOC 106		61	6.7	37
Show		00503+7634	LDS1516	AB	10	7.6	44
Show		00503+7634	LDS1516	AC	303	13.4	44
Show		00562+7736	MFL 8		205	31.2	46
Show		00515+7752	MFL 6		109	52.5	47
Show		00593+7712	WFC 5		72	3.3	50
Show		00425+7810	LDS1514		99	17.2	58
Show		00328+7624	LOC 103		328	1.2	63
Show		00327+7807	STF 34		339	5.8	66
Show		00260+7750	HJ 1965	AB	57	9.5	72
Show		00260+7750	HJ 1965	AC	292	18.3	72
Show		00345+7607	LOC 104		234	3.5	75
Show		01016+7617	SKF2752		160	53.7	81
Show		00256+7814	LOC 108		21	4.1	86
Show		00503+7839	GII 25		159	5.4	89
Show		00518+7837	YR 5		214	0.1	89
Show		00359+7549	HDS 83		199	0.3	89
Show		00362+7546	TDS1542		339	0.7	92
Show		00590+7835	LDS1520		223	10.2	93
Show		00505+7538	HJ 1997		47	17.6	97
Show		00373+7536	SKF2459		148	34.1	100
Show		01030+7556	HJ 2006		179	46.8	100
Show		00343+7849	LOC 107		229	5.4	102
Show		00355+7532	TDS1534		192	0.5	105
Show		01011+7852	MLR 302		278	0.3	112
Show		00313+7514	MLR 286		301	0.8	127
Show		00391+7919	SKF 198		322	12.0	128
Show		00244+7909	SKF2749		122	4.7	132
Show		00457+7459	H N 122		161	35.9	134
Show		00298+7503	LDS1508		243	2.7	139
Show		00492+7931	UC 445		219	24.8	140
Show		00454+7935	MLR 371		59	2.3	143
Show		01025+7924	HDS 136		349	13.6	143
Show		00368+7934	LOC 109		103	11.9	144
Show		00362+7934	LOC 110		61	1.1	144
Show		01030+7934	MLR 372		274	0.3	152
Show		00247+7935	LOC 111		209	29.8	154
Show		00490+7947	TDS1628		160	0.5	156
Show		00554+7443	MLR 289		188	0.3	156
Show		00506+7949	MFL 5		121	6.1	158
Show		00414+7435	TDS1568		181	3.4	159
Show		00478+7429	A 811		56	0.4	165
Show		00429+8002	WFC 3		318	4.3	170
Show		00364+8003	KPP4422		54	1.7	173
Show		00582+8007	LDS1519		336	19.5	179

WDS 00444+7713 : COMPONENTS

	A
B	pa=117.6° sep=5.58"

00444+7713 A

Componente originario normalizzato	AB	Name	HD 4012	Coord arcsec 2000	004421.81+771236.1	Mag	8.01
Spectral class	K5 (yellow-orange)	PmRA	-9.00	PmDE	20.0	SAO	4201
HIP	3472	Tycho2	4497-01705-1	HD	4012	BD	BD+76 22

Tycho2

Tycho2	4497-01705-1	Pflag		RAmdeg	11.09088513	DEmdeg	77.21003055
PmRA	-9.1	PmDE	19.7	E RAmdeg	6	E DEmdeg	6
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.29	EpDEm	1991.33
Num	9	Q RAmdeg	0.8	Q DEmdeg	1.3	Q pmRA	0.9
Q pmDE	1.4	BTmag	9.956	E BTmag	0.022	VTmag	8.009
E VTmag	0.011	Prox	211	TYC	T	HIP	3472
CCDM		RAdeg	11.09097917	DEdeg	77.20998500	EpRA 1990	1.78
EpDE 1990	1.70	E RAdeg	5.9	E DEdeg	6.0	Posflg
Corr	0.1

SAO

SAO	4201	DelFlag		RA1950		PmRA1950	-0.0087
DE1950		PmDE1950	0.026	Vmag	8.2	SpType	K5
Double code		Source	1	CatNum	30	DM	BD+76 22
DMcomp		BDsup		HD	4012	M HD	0
GC		RA1950rad	0.17847656	DE1950rad	1.34279172	PmRA2000	-0.0093
PmDE2000	0.019

Hipparcos

Catalog	H	HIP	3472	Proxy		RAhms	00 44 21.83
DEdms	+77 12 35.9	Vmag	7.81	VarFlag		R Vmag	H
RAdeg	11.091	DEdeg	77.21	AstroRef		Plx	2.14
CCDM	00444+7713	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	4012	BD	BD+76 22
CD		CP		Dm number	+76 22	VIred	1.68
SpType	K5	R SpType		Coord arcsec 2000	004421.83+771235.9

Hipparcos 2

HIP	3472	Sn	5	So	0	Nc	1
RArad	0.193574008	DErad	1.3475684506	Plx	1.72	PmRA	-8.98
PmDE	20.23	E RArad	0.63	E DErad	0.59	E Plx	0.75
E pmRA	0.77	E pmDE	0.65	Hpmag	7.9153	E Hpmag	0.002
SHp	0.021	VA	0	BV	1.627	E BV	0.218
VI	1.68

CCDM

Ccdm	00444+7713	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.06	DDEs	-24.2
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.3	Sp	K5	PmNote	*
PmRA	-4	PmDE	20	Dm number	+76 22	Cat1	BD
Name2	+76 30	Cat2	AGK2/3	HD	4012	M HD
ADS BDS	A 606	M ADS BDS		N IDS		IDS	00376N7640A
HIC	3472

00444+7713 B

Componente originario normalizzato	AB		Coord arcsec 2000	004423.30+771233.5		Mag	10.62		PmRA	37.00
PmDE	-14.0		Calc delta mag	2.61		Calc coord	yes

CCDM

Ccdm	00444+7713	RComp		Comp	B	Note1
Note2		Discov num	STF 50	DRAs		DDEs
R dRAs		Year	1902	Theta	085	Rho	18.1
Obs	2	Vmag	10.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 606	M ADS BDS	N	N IDS		IDS	00376N7640B
HIC	3482