12445+3617 STF 1676

12^h 44^m 31.32^s +36° 16' 45.2" P.A. 348.00 sep 4.2 mag 10.70,11.20 Sp G7III

Coord 2000	12445+3617	Discov num	STF1676	Comp		Coord arcsec 2000	12 44 31.32 +36 16 45.2
Date first	1831	Date last	2019	Obs	24
Pa first	351	Pa last	348.4	P.A. Now (θ)	348.4°
Sep first	2.5	Sep last	4.175	Sep. Now (ρ)	4.175"
Mag pri	10.70	Mag sec	11.20	delta mag (ΔM)	0.5	Spectral class	G7III (yellow)
Pri motion ra	+013	Sec motion ra	-010
Pri motion dec	-094	Sec motion dec	+046
Notes

rPM=1.495

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Canes Venatici

Tycho2

2533-00013-1

Gaia DR2

1519997653428144384

ADS

8653

WDS 12445+3617 STF 1676 : 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
12445+3617	STF1676		2003	17	350	4.1	10.70	11.20	G7III	D	124431.32+361645.2
12445+3617	STF1676		2004	19	349	4.2	10.70	11.20	G7III	D	124431.32+361645.2
12445+3617	STF1676		2013	20	349	4.2	10.70	11.20	G7III		124431.32+361645.2
12445+3617	STF1676		2015	21	349	4.2	10.70	11.20	G7III		124431.32+361645.2
12445+3617	STF1676		2019	24	348	4.2	10.70	11.20	G7III		124431.32+361645.2

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

WDS 12445+3617 STF 1676 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12445+3617 STF 1676 : MEASURES

No records found.

WDS 12445+3617 : VIRTUAL EYEPIECE

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

WDS 12445+3617 : ALADIN DSS IMAGE @ 12^h 44^m 31.32^s +36° 16' 45.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12445+3617 STF 1676 : 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		12445+3617	STF1676		348	4.2	1
Show		12431+3553	FMR 109		93	89.0	29
Show		12441+3546	HO 256		120	0.5	31
Show		12471+3629	SKF2595		160	4.0	34
Show		12424+3653	SKF2593		3	21.0	45
Show		12490+3556	COU1426		203	1.1	58
Show		12398+3605	CVR1458		96	4.6	58
Show		12397+3714	ES 2167		272	6.2	79
Show		12473+3504	WIS 206		155	929.9	81
Show		12401+3722	CBL 390		77	33.0	84
Show		12517+3610	SLW 782		275	67.1	87
Show		12374+3606	CVR 658		300	13.2	88
Show		12372+3545	LEP 58		4	273.0	95
Show		12385+3719	CVR1456		128	4.4	96
Show		12406+3444	UC 2383		104	11.1	105
Show		12359+3600	KPP2139		3	17.6	107
Show		12535+3613	CBL 398		278	15.1	109
Show		12445+3425	STF1675		4	29.5	112
Show		12487+3437	SKF2598		300	20.5	112
Show		12353+3634	ES 2166		358	4.7	113
Show		12350+3620	HJL1070		79	240.3	116
Show		12473+3811	SKF2596		100	6.6	119
Show		12480+3420	AG 182		190	2.4	125
Show		12519+3447	HJ 523		184	14.2	128
Show		12381+3805	SKF2592		139	64.1	134
Show		12521+3755	SLW 786		207	16.7	135
Show		12331+3614	CRB 92		68	13.7	138
Show		12473+3357	AG 181		341	2.3	145
Show		12359+3758	CBL 596		178	8.2	145
Show		12334+3518	LEP 133		264	3.1	148
Show		12349+3447	CVR1447		96	4.4	148
Show		12536+3758	STF1688	AB	344	14.1	149
Show		12536+3758	STF1688	AC	355	79.7	149
Show		12427+3349	STF1672		312	4.3	150
Show		12567+3652	TOK 285		211	130.2	151
Show		12340+3458	LDS1323		293	23.8	152
Show		12463+3341	SKF2594	AB	49	2.2	158
Show		12463+3341	SKF2594	AC	156	6.8	158
Show		12390+3354	SLW 749		291	13.3	158
Show		12576+3650	WRS 3		343	14.9	162
Show		12562+3740	LDS4298		-1	1.0	164
Show		12526+3830	SLW 789		294	116.5	165
Show		12433+3333	TDS8499	AB	33	0.5	165
Show		12433+3333	GII 192	Aa,Ab	94	0.1	165
Show		12504+3847	HU 1139		286	4.8	166
Show		12523+3836	NI 30	AB	159	10.7	167
Show		12523+3836	SKF1029	AC	221	2.8	167
Show		12560+3819	DAM2486	CD	293	0.9	167
Show		12308+3640	J 1023		173	5.2	168
Show		12585+3613	HLG 1		46	61.6	170
Show		12328+3753	ALI 858		188	9.5	170

WDS 12445+3617 : COMPONENTS

	A
B	pa=350.6° sep=4.15"

12445+3617 A

Componente originario normalizzato	AB	Coord arcsec 2000	124431.32+361645.2	Mag	10.7	Spectral class	G7III (yellow)
PmRA	13.00	PmDE	-94.0	Tycho2	2533-00013-1	ADS	8653
DM	BD+37 2317

Tycho2

Tycho2	2533-00013-1	Pflag		RAmdeg	191.13050962	DEmdeg	36.27920884
PmRA	-1.7	PmDE	-3.5	E RAmdeg	44	E DEmdeg	45
E pmRA	2.6	E pmDE	2.5	EpRAm	1987.20	EpDEm	1986.40
Num	5	Q RAmdeg	0.7	Q DEmdeg	1.4	Q pmRA	0.7
Q pmDE	1.4	BTmag	11.877	E BTmag	0.098	VTmag	10.791
E VTmag	0.063	Prox	999	TYC	T	HIP
CCDM		RAdeg	191.13051417	DEdeg	36.27921583	EpRA 1990	1.78
EpDE 1990	1.64	E RAdeg	46.2	E DEdeg	47.3	Posflg
Corr	0.0

CCDM

Ccdm	12445+3617	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.44	DDEs	-14.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.5	Sp		PmNote	*
PmRA	12	PmDE	0	Dm number	+37 2317	Cat1	BD
Name2	63172	Cat2	SAO	HD		M HD
ADS BDS	A 8653	M ADS BDS		N IDS		IDS	12397N3650A
HIC

12445+3617 B

Componente originario normalizzato	AB		Coord arcsec 2000	124431.26+361649.3		Mag	11.2		PmRA	-10.00
PmDE	46.0		Calc delta mag	0.5		Calc coord	yes

CCDM

Ccdm	12445+3617	RComp		Comp	B	Note1
Note2		Discov num	STF1676	DRAs		DDEs
R dRAs		Year	1832	Theta	350	Rho	4.2
Obs	9	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 8653	M ADS BDS		N IDS		IDS	12397N3650B
HIC