12506+4604 ES 731

12^h 50^m 37.49^s +46° 04' 01.1" P.A. 348.00 sep 11.7 mag 8.15,12.70 Sp G8III dist. 291.55 pc (951.04 l.y.)

Coord 2000	12506+4604	Discov num	ES 731	Comp		Coord arcsec 2000	12 50 37.49 +46 04 01.1
Date first	1909	Date last	2021	Obs	11
Pa first	349	Pa last	348.4	P.A. Now (θ)	348.4°
Sep first	12.1	Sep last	11.71	Sep. Now (ρ)	11.71"
Mag pri	8.15	Mag sec	12.70	delta mag (ΔM)	4.55	Spectral class	G8III (yellow)
Pri motion ra	+011	Sec motion ra	-021
Pri motion dec	-018	Sec motion dec	-012
Notes

rPM=1.346

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Canes Venatici	SAO	44349	HIP	62678	Tycho2	3459-00681-1
Gaia DR2	1530644022658550784	HD	111689	ADS	8681	BD	BD+46 1824
Distance	291.55	Distance ly	951.04

WDS 12506+4604 ES 731 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Es_1901	Mb -	Espin, T.E.	1901AN....155..321E
Es_1901		AN 155, 321, 1901 (ES 1 - 39)
Es_1902a	Ma -	Espin, T.E.	1902AN....158..241E
Es_1902a	+Mb	AN 158, 241, 1902 (ES 40 - 112)
Es_1902b	Mb -	Espin, T.E.	1902MNRAS..62..528E
Es_1902b		MNRAS 62, 528, 1902
Es_1902c	Mb j	Espin, T.E.	1902MNRAS..62..402E
Es_1902c		MNRAS 62, 402, 1902
Es_1903	Mb -	Espin, T.E.	1903MNRAS..63..172E
Es_1903		MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a	-	Espin, T.E.	1904MNRAS..64..238E
Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E
Es_1904b	Mb -	Espin, T.E.	1904MNRAS..64..675E
Es_1904b		MNRAS 64, 675, 1904
Es_1905	Mb -	Espin, T.E.	1905MNRAS..65..710E
Es_1905		MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a	Mb -	Espin, T.E.	1906MNRAS..66..141E
Es_1906a		MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b	Mb -	Espin, T.E.	1906MNRAS..66..430E
Es_1906b		MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C	Mb -	Espin, T.E.	1906QB821.B972.....
Es_1906C		cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D	Mb -	Espin, T.E.	1906MmRAS..56....1L
Es_1906D		cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a	Mb j	Espin, T.E.	1907MNRAS..67..190E
Es_1907a		MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b	Mb -	Espin, T.E.	1907MNRAS..67..495E
Es_1907b		MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a	Mb j	Espin, T.E.	1908MNRAS..68..202E
Es_1908a		MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b	Mb -	Espin, T.E.	1908MNRAS..68..523E
Es_1908b		MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c	-	Espin, T.E.	1908JRASC...2..248E
Es_1908c		JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909)	1909MNRAS..69..218E
Es_1909a	Mb j	Espin, T.E.	1909MNRAS..69..218E
Es_1909a		MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b	Mb j	Espin, T.E.	1909MNRAS..69..604E
Es_1909b		MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a	Mb -	Espin, T.E.	1910MNRAS..70..237E
Es_1910a		MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b	Mb -	Espin, T.E.	1910MNRAS..70..541E
Es_1910b		MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911	Mb -	Espin, T.E.	1911MNRAS..71..217E
Es_1911		MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912	Mb -	Espin, T.E.	1912MNRAS..72..191E
Es_1912		MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913	Mb j	Espin, T.E.	1913MNRAS..73..162E
Es_1913		MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914	Mb j	Espin, T.E.	1914MNRAS..74..244E
Es_1914		MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a	Mb -	Espin, T.E.	1915MNRAS..75..203E
Es_1915a		MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b	Mb -	Espin, T.E.	1915MNRAS..75..555E
Es_1915b		MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c	Mb -	Espin, T.E.	1915MNRAS..76..210E
Es_1915c		MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917	Mb -	Espin, T.E.	1917MNRAS..77..236E
Es_1917		MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918	Mb j	Espin, T.E.	1918MNRAS..78..189E
Es_1918		MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919	Mb -	Espin, T.E.	1919MNRAS..79..211E
Es_1919		MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920	Mb -	Espin, T.E.	1920MNRAS..80..329E
Es_1920		MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921	Mb j	Espin, T.E.	1921MNRAS..81..232E
Es_1921		MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922	Mb -	Espin, T.E.	1922MNRAS..82..187E
Es_1922		MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923	Mb -	Espin, T.E.	1923MNRAS..83..154E
Es_1923		MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924	Mb -	Espin, T.E.	1924MNRAS..84..162E
Es_1924		MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a	Mb -	Espin, T.E.	1925MNRAS..85..276E
Es_1925a		MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b	Mb -	Espin, T.E.	1925MNRAS..86...79E
Es_1925b		MNRAS 86, 79, 1925
Es_1926	Mb -	Espin, T.E.	1926MNRAS..86..131E
Es_1926		MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927	Mb -	Espin, T.E.	1927MNRAS..87..215E
Es_1927		MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928	Mb -	Espin, T.E.	1928MNRAS..88..185E
Es_1928		MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929	Mb -	Espin, T.E.	1929MNRAS..89..268E
Es_1929		MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930	Mb -	Espin, T.E.	1930MNRAS..90..317E
Es_1930		MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931	Mb -	Espin, T.E.	1931MNRAS..91..294E
Es_1931		MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a	Mb -	Espin, T.E.	1932MNRAS..92..214E
Es_1932a		MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B	Mb -	Espin, T.E.	1932QB821.A43......
Es_1932B		cited in ADS (Aitken Double Star Cat.), 1932
Es_1933	Mb -	Espin, T.E.	1933MNRAS..93..192E
Es_1933		MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A	Mb -	Espin, T.E.	1937AnLei..18....1S
Es_1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12506+4604	ES 731		1998	3	348	11.7	8.15	12.70	G8III	D	125037.49+460401.1
12506+4604	ES 731		2002	4	348	11.7	8.15	12.70	G8III	D	125037.49+460401.1
12506+4604	ES 731		2013	5	348	11.7	8.15	12.70	G8III		125037.49+460401.1
12506+4604	ES 731		2015	6	348	11.7	8.15	12.70	G8III		125037.49+460401.1
12506+4604	ES 731		2021	11	348	11.7	8.15	12.70	G8III		125037.49+460401.1

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

WDS 12506+4604 ES 731 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12506+4604 ES 731 : MEASURES

No records found.

WDS 12506+4604 : VIRTUAL EYEPIECE

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

WDS 12506+4604 : ALADIN DSS IMAGE @ 12^h 50^m 37.49^s +46° 04' 01.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12506+4604 ES 731 : 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		12506+4604	ES 731		348	11.7
Show		12478+4539	COU2104		306	1.5	39
Show		12547+4615	TDS8581		133	0.5	44
Show		12562+4557	TDS8600		71	0.7	59
Show		12500+4708	GIC 110		218	73.1	65
Show		12567+4537	STT 257	AB	353	12.9	70
Show		12482+4714	LHS2637		169	0.8	74
Show		12577+4628	LDS4301		104	2.5	77
Show		12500+4727	TDS8543		219	0.5	84
Show		12522+4733	CVR 668		100	27.0	91
Show		12452+4717	BVD 224		125	18.4	93
Show		12556+4729	SLW 797		87	153.2	100
Show		13005+4608	LDS4305		21	23.2	104
Show		12407+4627	CBL 391		257	11.5	106
Show		12410+4645	SLW 757		201	20.4	108
Show		12591+4709	HDS1821		150	1.0	109
Show		12576+4728	HJ 2627		133	17.5	111
Show		12596+4706	SLW 805		273	9.7	112
Show		12403+4537	ES 727		7	6.2	112
Show		12596+4502	BVD 226		309	19.1	113
Show		13017+4617	TDS8649	AB	79	2.3	116
Show		12427+4733	TDS8493		133	0.5	121
Show		12540+4406	LDS4292		67	3.3	123
Show		12391+4634	CVR 660		190	25.6	123
Show		12594+4429	KPP 282		271	3.7	133
Show		12391+4702	CFN 9		110	0.5	133
Show		13029+4643	HJ 2632		336	45.9	134
Show		12523+4822	YSC 100		145	0.3	139
Show		13036+4637	TDS8670		212	0.5	139
Show		12397+4444	COU1578		66	1.4	141
Show		12397+4737	TDS8476		94	0.6	146
Show		12524+4828	UC 2418		268	44.0	146
Show		12400+4421	LDS4242		260	79.5	152
Show		12380+4444	HJ 1219		260	10.2	156
Show		12366+4706	UC 2370		121	6.1	158
Show		12416+4814	LDS4251		169	19.8	160
Show		12412+4359	A 1850		50	2.9	160
Show		13036+4736	LDS4311		250	36.7	162
Show		12566+4333	BU 925		209	6.5	164
Show		13033+4744	HJ 2634		61	33.0	165
Show		13059+4516	BU 930		126	2.8	167
Show		12363+4724	TDS8454		90	0.5	168
Show		12354+4707	BVD 222		84	23.2	169
Show		12370+4436	LDS4237		303	197.3	170
Show		12418+4343	KPP3258		64	4.8	170
Show		12449+4326	A 1783		214	1.8	170
Show		12344+4517	SKF2649		26	14.7	177
Show		12383+4808	TDS8464		147	0.4	177
Show		12378+4815	TDS8461		159	0.6	186
Show		12532+4255	CVR 670		338	22.3	192
Show		12563+4300	A 2000		47	1.0	194

WDS 12506+4604 : COMPONENTS

	A
B	pa=351.9° sep=11.59"

12506+4604 A

Componente originario normalizzato	AB	Coord arcsec 2000	125037.49+460401.1	Mag	8.15	Spectral class	G8III (yellow)
PmRA	11.00	PmDE	-18.0	SAO	44349	HIP	62678
Tycho2	3459-00681-1	HD	111689	ADS	8681	BD	BD+46 1824

Tycho2

Tycho2	3459-00681-1	Pflag		RAmdeg	192.65622810	DEmdeg	46.06694153
PmRA	9.7	PmDE	-17.6	E RAmdeg	5	E DEmdeg	5
E pmRA	0.9	E pmDE	0.9	EpRAm	1991.03	EpDEm	1991.20
Num	12	Q RAmdeg	1.0	Q DEmdeg	1.4	Q pmRA	1.0
Q pmDE	1.4	BTmag	9.361	E BTmag	0.016	VTmag	8.287
E VTmag	0.010	Prox	999	TYC	T	HIP	62678
CCDM		RAdeg	192.65619528	DEdeg	46.06698194	EpRA 1990	1.65
EpDE 1990	1.64	E RAdeg	4.7	E DEdeg	4.9	Posflg
Corr	-0.4

SAO

SAO	44349	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	-0.026	Vmag	8.3	SpType	K0
Double code		Source	3	CatNum	946	DM	BD+46 1824
DMcomp		BDsup		HD	111689	M HD	0
GC		RA1950rad	3.35238632	DE1950rad	0.80876638	PmRA2000	0.0019
PmDE2000	-0.022

Hipparcos

Catalog	H	HIP	62678	Proxy		RAhms	12 50 37.49
DEdms	+46 04 01.1	Vmag	8.17	VarFlag		R Vmag	H
RAdeg	192.656	DEdeg	46.067	AstroRef		Plx	2.69
CCDM	12506+4604	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	111689	BD	BD+46 1824
CD		CP		Dm number	+46 1824	VIred	0.93
SpType	G8III	R SpType		Coord arcsec 2000	125037.49+460401.1

Hipparcos 2

HIP	62678	Sn	5	So	0	Nc	1
RArad	3.3624848527	DErad	0.8040205305	Plx	3.43	PmRA	10.47
PmDE	-16.22	E RArad	0.51	E DErad	0.45	E Plx	0.85
E pmRA	0.63	E pmDE	0.52	Hpmag	8.3294	E Hpmag	0.0013
SHp	0.019	VA	0	BV	0.94	E BV	0.009
VI	0.93

CCDM

Ccdm	12506+4604	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.51	DDEs	0.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.2	Sp	K0	PmNote	*
PmRA	9	PmDE	-23	Dm number	+46 1824	Cat1	BD
Name2	+46 946	Cat2	AGK2/3	HD	111689	M HD
ADS BDS	A 8681	M ADS BDS		N IDS		IDS	12460N4637A
HIC	62678

12506+4604 B

Componente originario normalizzato	AB		Coord arcsec 2000	125037.33+460412.6		Mag	12.7		PmRA	-21.00
PmDE	-12.0		Calc delta mag	4.55		Calc coord	yes

CCDM

Ccdm	12506+4604	RComp		Comp	B	Note1
Note2		Discov num	ES 731	DRAs		DDEs
R dRAs		Year	1909	Theta	349	Rho	12.1
Obs	1	Vmag	12.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 8681	M ADS BDS		N IDS		IDS	12460N4637B
HIC