12246+3744 STF 1641 AB

12^h 24^m 33.48^s +37° 43' 31.1" P.A. 22.00 sep 16.6 mag 10.90,11.08 Sp G

Coord 2000	12246+3744	Discov num	STF1641	Comp	AB	Coord arcsec 2000	12 24 33.48 +37 43 31.1
Date first	1830	Date last	2017	Obs	52
Pa first	53	Pa last	22	P.A. Now (θ)	22°
Sep first	4.0	Sep last	16.6	Sep. Now (ρ)	16.6"
Mag pri	10.90	Mag sec	11.08	delta mag (ΔM)	0.18	Spectral class	G (yellow)
Pri motion ra	+002	Sec motion ra	+008
Pri motion dec	-044	Sec motion dec	+019
Notes	L (Linear solution)

rPM=1.437

This double is not physical.

12246+3744 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			12 24 33 +37 43 31	STF 1641 AB	2017	52	22	16.6	10.90	11.08	0.18		<===
Show		62986	12 24 33 +37 43 31	STF 1641 AC	2017	22	212	76.4	10.90	9.50	1.40
Show		62986	12 24 34 +37 43 45	STF 1641 BC	2015	16	210	93.4	11.08	9.50	1.58

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Canes Venatici

Tycho2

3018-02185-1

Gaia DR2

1531684195016519808

WDS 12246+3744 STF 1641 AB : 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
12246+3744	STF1641	AB	2007	25	23	16.1	10.90	11.08	G	LD	122433.48+374331.1
12246+3744	STF1641	AB	2010	29	22	16.3	10.90	11.08	G	LD	122433.48+374331.1
12246+3744	STF1641	AB	2011	31	22	16.1	10.90	11.08	G	LD	122433.48+374331.1
12246+3744	STF1641	AB	2012	32	22	16.4	10.90	11.08	G	L	122433.48+374331.1
12246+3744	STF1641	AB	2013	33	22	16.4	10.90	11.08	G	L	122433.48+374331.1
12246+3744	STF1641	AB	2015	38	22	16.5	10.90	11.08	G	L	122433.48+374331.1
12246+3744	STF1641	AB	2017	39	22	16.6	10.90	11.08	G	L	122433.48+374331.1

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

WDS 12246+3744 STF 1641 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12246+3744 STF 1641 AB : MEASURES

No records found.

WDS 12246+3744 : 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 12246+3744 : ALADIN DSS IMAGE @ 12^h 24^m 33.48^s +37° 43' 31.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12246+3744 STF 1641 AB : 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		12246+3744	STF1641	AB	22	16.6
Show		12246+3744	STF1641	AC	212	76.4
Show		12246+3744	STF1641	BC	210	93.4	1
Show		12246+3756	KZA 32		38	38.8	13
Show		12229+3726	SKF2590	AB	190	4.0	27
Show		12229+3726	LNA 1	Aa,Ab	49	0.4	27
Show		12237+3713	KZA 29	AB	56	13.8	32
Show		12237+3713	KZA 29	AC	127	15.9	32
Show		12264+3719	COU1424		6	0.6	33
Show		12241+3827	KZA 30	AB	296	37.9	44
Show		12241+3827	KZA 30	AC	329	77.9	44
Show		12227+3705	KZA 28	AB	217	33.6	45
Show		12227+3705	KZA 28	AC	263	42.5	45
Show		12259+3655	KZA 33		63	18.7	51
Show		12285+3722	KZA 35		27	32.7	52
Show		12202+3754	STF1632		192	10.1	53
Show		12290+3735	KZA 36	AB	115	57.1	53
Show		12290+3735	KZA 36	AC	323	83.7	53
Show		12290+3735	KZA 36	AD	238	5.9	53
Show		12283+3710	KZA 34		244	6.5	56
Show		12243+3644	KZA 31	AB	319	44.2	60
Show		12243+3644	KZA 31	AC	98	47.4	60
Show		12273+3839	SKF2706		282	18.6	65
Show		12223+3644	DEA 78	AB	254	19.6	66
Show		12223+3644	KPP3253	Aa,Ab	8	1.1	66
Show		12282+3641	STF1646		260	5.6	76
Show		12265+3858	LDS4208		75	19.3	78
Show		12272+3632	TDS8388		251	1.1	79
Show		12311+3836	UC 175		137	22.0	94
Show		12234+3920	FMR 105		293	9.1	98
Show		12328+3753	ALI 858		188	9.5	98
Show		12308+3640	J 1023		173	5.2	99
Show		12156+3749	UC 169	AB	156	45.9	107
Show		12304+3608	HJ 519		190	18.3	119
Show		12336+3837	STF1656		205	26.8	120
Show		12142+3802	KPP2233		8	18.5	124
Show		12140+3655	ES 1739		293	4.9	135
Show		12359+3758	CBL 596		178	8.2	136
Show		12331+3614	CRB 92		68	13.7	136
Show		12218+3529	KPP1091		75	9.0	139
Show		12151+3915	LDS4196		49	32.5	144
Show		12351+3858	SKF2591		247	89.6	145
Show		12167+3936	STF1624	AB	153	5.9	145
Show		12167+3936	WAL 62	AC	143	161.9	145
Show		12353+3634	ES 2166		358	4.7	146
Show		12346+3914	LDS4230		248	30.8	148
Show		12136+3902	LDS4194		250	15.0	151
Show		12350+3620	HJL1070		79	240.3	151
Show		12198+3523	ITF 110		294	5.9	152
Show		12156+3550	TDS8287		288	0.7	157
Show		12164+3542	UC 170		29	24.9	157

WDS 12246+3744 : COMPONENTS

	A	B
B	pa=22.9° sep=15.53"
C	pa=206.1° sep=72.32"	pa=205.6° sep=87.83"

12246+3744 A

Coord arcsec 2000	122433.48+374331.1		Mag	10.9		Spectral class	G (yellow)		PmRA	2.00
PmDE	-44.0		Tycho2	3018-02759-1

Tycho2

Tycho2	3018-02759-1	Pflag		RAmdeg	186.13953346	DEmdeg	37.72531906
PmRA	3.7	PmDE	-40.0	E RAmdeg	27	E DEmdeg	31
E pmRA	1.8	E pmDE	1.7	EpRAm	1985.06	EpDEm	1985.60
Num	9	Q RAmdeg	1.2	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	11.591	E BTmag	0.059	VTmag	10.905
E VTmag	0.051	Prox	151	TYC	T	HIP
CCDM		RAdeg	186.13950472	DEdeg	37.72541028	EpRA 1990	1.77
EpDE 1990	1.71	E RAdeg	35.4	E DEdeg	32.8	Posflg
Corr	0.1

12246+3744 B

Coord arcsec 2000	122433.99+374345.4		Coord calc	122433.99+374345.4		Mag	11.08		Spectral class	G8V (yellow)
PmRA	8.00		PmDE	19.0		Tycho2	3018-02185-1		Calc delta mag	0.18

Tycho2

Tycho2	3018-02185-1	Pflag		RAmdeg	186.14165828	DEmdeg	37.72929771
PmRA	5.0	PmDE	20.3	E RAmdeg	45	E DEmdeg	42
E pmRA	2.8	E pmDE	2.6	EpRAm	1987.41	EpDEm	1987.13
Num	4	Q RAmdeg	0.6	Q DEmdeg	0.7	Q pmRA	0.6
Q pmDE	0.7	BTmag	11.431	E BTmag	0.054	VTmag	11.075
E VTmag	0.060	Prox	151	TYC	T	HIP
CCDM		RAdeg	186.14164389	DEdeg	37.72925111	EpRA 1990	1.77
EpDE 1990	1.73	E RAdeg	46.9	E DEdeg	44.0	Posflg
Corr	0.1

12246+3744 C

Coord arcsec 2000	122430.80+374226.2	Mag	9.5	PmRA	-55.00	PmDE	-21.0
SAO	62986	Tycho2	3018-02276-1	HD	108006	DM	BD+38 2329
Calc delta mag	1.4	Calc coord	yes

Tycho2

Tycho2	3018-02276-1	Pflag		RAmdeg	186.12568580	DEmdeg	37.70695935
PmRA	-54.0	PmDE	-19.5	E RAmdeg	11	E DEmdeg	11
E pmRA	1.3	E pmDE	1.3	EpRAm	1990.31	EpDEm	1990.29
Num	12	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.1
Q pmDE	1.2	BTmag	10.016	E BTmag	0.022	VTmag	9.501
E VTmag	0.018	Prox	768	TYC	T	HIP
CCDM		RAdeg	186.12584083	DEdeg	37.70700556	EpRA 1990	1.80
EpDE 1990	1.73	E RAdeg	11.1	E DEdeg	10.8	Posflg
Corr	0.1

SAO

SAO	62986	DelFlag		RA1950		PmRA1950	-0.0035
DE1950		PmDE1950	-0.023	Vmag	8.9	SpType	G5
Double code		Source	5	CatNum	1189	DM	BD+38 2329
DMcomp		BDsup		HD	108006	M HD	0
GC		RA1950rad	3.23772556	DE1950rad	0.66294759	PmRA2000	-0.0033
PmDE2000	-0.018