00426+5736 ES 1806 (HD 3941)

00^h 42^m 39.00^s +57° 35' 46.5" P.A. 237.00 sep 5.7 mag 7.53,12.10 Sp B8V dist. 588.24 pc (1918.84 l.y.)

Coord 2000	00426+5736	Discov num	ES 1806	Comp		Coord arcsec 2000	00 42 39.00 +57 35 46.5
Date first	1920	Date last	2021	Obs	8
Pa first	236	Pa last	237	P.A. Now (θ)	237°
Sep first	5.5	Sep last	5.7	Sep. Now (ρ)	5.7"
Mag pri	7.53	Mag sec	12.10	delta mag (ΔM)	4.57	Spectral class	B8V (blue-white)
Pri motion ra	+001	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 3941	Constellation	Cassiopeia	SAO	21645	HIP	3347
Tycho2	3663-01202-1	Gaia DR2	424705607682615424	HD	3941	BD	BD+56 112
Distance	588.24	Distance ly	1918.84

WDS 00426+5736 ES 1806 (HD 3941) : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
00426+5736	ES 1806		2000	2	236	6.0	7.80	12.10	B8V	D	004239.00+573546.5
00426+5736	ES 1806		2014	3	237	6.1	7.80	12.10	B8V		004239.00+573546.5
00426+5736	ES 1806		2015	4	237	6.3	7.53	12.10	B8V		004239.00+573546.5
00426+5736	ES 1806		2021	8	237	5.7	7.53	12.10	B8V		004239.00+573546.5

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

WDS 00426+5736 ES 1806 (HD 3941) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 00426+5736 ES 1806 (HD 3941) : MEASURES

No records found.

WDS 00426+5736 (HD 3941) : 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 00426+5736 (HD 3941) : ALADIN DSS IMAGE @ 00^h 42^m 39.00^s +57° 35' 46.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 00426+5736 ES 1806 (HD 3941) : 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		00426+5736	ES 1806		237	5.7
Show		00425+5735	TDS1575		142	2.1	2
Show		00429+5738	ES 404		38	1.5	4
Show		00429+5742	A 916		240	0.3	7
Show		00434+5750	MLR 649		97	1.4	15
Show		00410+5728	STI1411	AB	277	8.5	16
Show		00410+5728	BKO 134	BC	191	6.5	16
Show		00407+5746	STI1409		75	13.2	19
Show		00430+5707	TDS1583		226	2.1	30
Show		00465+5731	MLR 651		46	1.0	32
Show		00437+5807	BKO 135	BC	243	9.9	33
Show		00437+5807	STI1419	AB	259	16.1	33
Show		00469+5735	TDS1610	AB	239	1.9	34
Show		00469+5735	TDS1610	AB,C	108	5.7	34
Show		00380+5740	STI1402	AB	43	8.8	39
Show		00380+5740	FYM 220	AC	244	17.5	39
Show		00378+5735	STI1399		347	6.7	40
Show		00388+5803	MLB 108		54	1.6	41
Show		00472+5716	TDS 29		245	2.6	43
Show		00441+5655	MLR 625		319	0.8	43
Show		00367+5736	MLB 40	AB	335	2.9	48
Show		00367+5736	MLB 40	AC	332	84.6	48
Show		00491+5749	STF 60	FG	188	142.2	48
Show		00374+5711	STI1396		157	9.3	50
Show		00365+5732	STI1391		30	12.6	50
Show		00373+5801	BU 1097		254	0.5	50
Show		00368+5716	STI1394		179	8.6	51
Show		00406+5826	SKF1992		347	28.2	54
Show		00386+5818	STI1403		26	13.2	54
Show		00491+5749	STF 60	BC	257	218.7	54
Show		00491+5749	STF 60	BD	1	172.2	54
Show		00491+5749	STF 60	BE	126	105.5	54
Show		00491+5749	STF 60	BF	275	369.1	54
Show		00491+5749	STF 60	BG	254	404.0	54
Show		00491+5749	STF 60	BH	355	688.4	54
Show	Achird	00491+5749	STF 60	AB	327	13.4	54
Show	Achird	00491+5749	SMR 2	AI	73	90.3	54
Show	Achird	00491+5749	SMR 2	AJ	262	237.1	54
Show	Achird	00491+5749	STF 60	AC	260	225.0	54
Show	Achird	00491+5749	STF 60	AE	126	75.6	54
Show	Achird	00491+5749	STF 60	AH	355	701.1	54
Show	Achird	00491+5749	STF 60	AG	259	419.7	54
Show	Achird	00491+5749	STF 60	AD	354	189.4	54
Show	Achird	00491+5749	STF 60	AF	276	378.3	54
Show		00362+5753	STI1388		102	8.1	55
Show		00492+5720	A 921	AB	2	0.2	55
Show		00492+5720	A 921	AB,C	268	4.7	55
Show		00490+5802	TDS1629		121	1.0	58
Show		00399+5829	DAM 991		204	4.3	58
Show		00358+5756	STI1385	AB	341	4.7	58
Show		00358+5756	STI1385	AC	72	12.4	58

WDS 00426+5736 : COMPONENTS

	A
B	pa=219.5° sep=4.02"

00426+5736 A

Componente originario normalizzato	AB	Name	HD 3941	Coord arcsec 2000	004239.00+573546.5	Mag	7.53
Spectral class	B8V (blue-white)	PmRA	1.00	PmDE	-4.0	SAO	21645
HIP	3347	Tycho2	3663-01202-1	HD	3941	BD	BD+56 112

Tycho2

Tycho2	3663-01202-1	Pflag		RAmdeg	10.66251960	DEmdeg	57.59627109
PmRA	5.9	PmDE	3.7	E RAmdeg	4	E DEmdeg	4
E pmRA	1.4	E pmDE	1.5	EpRAm	1991.48	EpDEm	1991.49
Num	10	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.3	BTmag	7.547	E BTmag	0.015	VTmag	7.533
E VTmag	0.010	Prox	999	TYC	T	HIP	3347
CCDM		RAdeg	10.66249417	DEdeg	57.59626250	EpRA 1990	1.67
EpDE 1990	1.67	E RAdeg	3.8	E DEdeg	3.8	Posflg
Corr	0.3

SAO

SAO	21645	DelFlag		RA1950		PmRA1950	-0.0008
DE1950		PmDE1950	0.001	Vmag	7.7	SpType	B9
Double code		Source	38	CatNum	566	DM	BD+56 112
DMcomp		BDsup		HD	3941	M HD	0
GC		RA1950rad	0.17354859	DE1950rad	1.00046407	PmRA2000	-0.0007
PmDE2000	-0.004

Hipparcos

Catalog	H	HIP	3347	Proxy		RAhms	00 42 39.00
DEdms	+57 35 46.5	Vmag	7.54	VarFlag		R Vmag	H
RAdeg	10.6625	DEdeg	57.5963	AstroRef		Plx	0.65
CCDM	00426+5736	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	3941	BD	BD+56 112
CD		CP		Dm number	+56 112	VIred	0.01
SpType	B9	R SpType		Coord arcsec 2000	004239.00+573546.5

Hipparcos 2

HIP	3347	Sn	5	So	0	Nc	1
RArad	0.1860957209	DErad	1.0052444001	Plx	1.7	PmRA	3.25
PmDE	1.66	E RArad	0.39	E DErad	0.35	E Plx	0.68
E pmRA	0.53	E pmDE	0.39	Hpmag	7.5477	E Hpmag	0.001
SHp	0.013	VA	0	BV	0.008	E BV	0.008
VI	0.03

CCDM

Ccdm	00426+5736	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.97	DDEs	-12.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.8	Sp	B9	PmNote	*
PmRA	-1	PmDE	20	Dm number	+56 112	Cat1	BD
Name2	+57 70	Cat2	AGK2/3	HD	3941	M HD
ADS BDS	A 587	M ADS BDS		N IDS		IDS	00369N5703A
HIC	3347

00426+5736 B

Componente originario normalizzato	AB		Coord arcsec 2000	004238.68+573543.4		Mag	12.1		Calc delta mag	4.57
Calc coord	yes

CCDM

Ccdm	00426+5736	RComp		Comp	B	Note1
Note2		Discov num	ES 1806	DRAs		DDEs
R dRAs		Year	1920	Theta	236	Rho	5.5
Obs	1	Vmag	12.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 587	M ADS BDS		N IDS		IDS	00369N5703B
HIC	3347