21586+4442 ES 683 (HD 208940)

21^h 58^m 34.32^s +44° 41' 32.5" P.A. 249.00 sep 9.3 mag 8.63,10.42 Sp F0

Coord 2000	21586+4442	Discov num	ES 683	Comp		Coord arcsec 2000	21 58 34.32 +44 41 32.5
Date first	1895	Date last	2016	Obs	22
Pa first	248	Pa last	248.5	P.A. Now (θ)	248.5°
Sep first	8.6	Sep last	9.267	Sep. Now (ρ)	9.267"
Mag pri	8.63	Mag sec	10.42	delta mag (ΔM)	1.79	Spectral class	F0 (yellow-white)
Pri motion ra	-002	Sec motion ra	-001
Pri motion dec	+001	Sec motion dec	+005
Notes

rPM=0.809

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 208940		Constellation	Cygnus		SAO	51504		Tycho2	3197-01078-1
Gaia DR2	1961308090011813120		HD	208940

WDS 21586+4442 ES 683 (HD 208940) : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21586+4442	ES 683		2000	15	249	9.1	8.63	10.42	F0	D	215834.32+444132.5
21586+4442	ES 683		2002	16	250	9.1	8.63	10.42	F0	D	215834.32+444132.5
21586+4442	ES 683		2010	17	249	8.7	8.63	10.42	F0		215834.32+444132.5
21586+4442	ES 683		2016	18	249	9.3	8.63	10.42	F0		215834.32+444132.5

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

WDS 21586+4442 ES 683 (HD 208940) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21586+4442 ES 683 (HD 208940) : MEASURES

No records found.

WDS 21586+4442 (HD 208940) : VIRTUAL EYEPIECE

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

WDS 21586+4442 (HD 208940) : ALADIN DSS IMAGE @ 21^h 58^m 34.32^s +44° 41' 32.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21586+4442 ES 683 (HD 208940) : 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		21586+4442	ES 683		249	9.3
Show		21582+4428	SMA 154		161	11.1	14
Show		21576+4452	SMA 153		26	10.2	15
Show		21584+4423	LYS 11		55	12.1	19
Show		21598+4501	A 776		294	3.8	23
Show		22007+4500	LYS 14		56	11.1	29
Show		22011+4431	GRV 530		214	71.2	29
Show		22012+4452	LYS 15	AB	209	17.3	31
Show		22012+4452	LYS 15	AC	281	73.4	31
Show		22012+4452	LYS 15	AD	286	36.3	31
Show		22012+4452	LYS 15	AE	265	43.7	31
Show		22012+4452	LYS 15	AF	269	17.9	31
Show		21561+4506	BRT1155		101	4.2	37
Show		21594+4520	LYS 12		66	6.9	40
Show		22006+4406	LYS 13		179	8.7	43
Show		22021+4421	MET 93	AB	318	6.2	44
Show		22021+4421	MET 93	AC	72	8.2	44
Show		22021+4421	MET 93	AD	4	8.8	44
Show		22021+4421	MET 93	AE	211	10.3	44
Show		22008+4405	TDT3290		353	1.5	44
Show		22013+4515	A 780	AB	148	1.6	45
Show		22013+4515	A 780	AC	94	67.0	45
Show		22013+4515	A 780	AE	86	17.5	45
Show		22013+4515	A 780	AF	32	18.6	45
Show		22013+4515	A 780	AR	116	40.1	45
Show		21553+4413	BRT1154	AB	292	5.3	45
Show		21553+4413	WSI 34	AC	346	9.1	45
Show		22013+4515	A 780	CD	110	1.0	45
Show		22013+4515	A 780	CR	27	16.8	45
Show		21590+4357	TDT3274		127	0.7	46
Show		22019+4511	LYS 16		114	11.0	47
Show		22029+4439	BU 694	AB	8	1.0	47
Show		22029+4439	BU 694	AC	312	66.9	47
Show		22029+4439	BU 694	AD	337	26.8	47
Show		22029+4439	BU 694	AE	285	26.1	47
Show		21577+4356	J 3155	AB	131	5.8	47
Show		21577+4356	J 3155	AC	348	9.9	47
Show		21577+4356	BTG 9	AD	86	38.1	47
Show		21577+4356	MAY9004	AE	284	8.5	47
Show		22022+4510	TDT3301	AB	121	1.6	48
Show		22014+4519	TDT3294		159	0.7	49
Show		22017+4517	HJ 1715		256	12.8	49
Show		22027+4415	TDT3304		331	0.6	52
Show		22005+4355	SMA 159		232	8.5	53
Show		21550+4404	BRT1153		66	4.8	54
Show		22035+4455	LYS 17		215	6.3	55
Show		22016+4528	KPP3424	AB	293	7.9	57
Show		21545+4405	TDT3229		324	0.5	58
Show		21545+4403	A 620		285	0.4	59
Show		22041+4437	LYS 18	AB	86	28.4	60
Show		22041+4437	LYS 18	AC	305	14.1	60

WDS 21586+4442 : COMPONENTS

	A
B	pa=241.0° sep=7.01"

21586+4442 A

Componente originario normalizzato	AB	Name	HD 208940	Coord arcsec 2000	215834.32+444132.5	Mag	8.63
Spectral class	F0 (yellow-white)	PmRA	-2.00	PmDE	1.0	SAO	51504
Tycho2	3197-01078-1	HD	208940	DM	BD+43 4098

Tycho2

Tycho2	3197-01078-1	Pflag		RAmdeg	329.64301337	DEmdeg	44.69235886
PmRA	-1.6	PmDE	1.0	E RAmdeg	6	E DEmdeg	6
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.40	EpDEm	1991.45
Num	4	Q RAmdeg	1.8	Q DEmdeg	0.2	Q pmRA	1.9
Q pmDE	0.2	BTmag	8.821	E BTmag	0.016	VTmag	8.625
E VTmag	0.013	Prox	91	TYC	T	HIP
CCDM		RAdeg	329.64301889	DEdeg	44.69235639	EpRA 1990	1.72
EpDE 1990	1.74	E RAdeg	6.1	E DEdeg	6.1	Posflg
Corr	0.1

SAO

SAO	51504	DelFlag		RA1950		PmRA1950	-0.0016
DE1950		PmDE1950	-0.011	Vmag	8.3	SpType	F0
Double code		Source	4	CatNum	2006	DM	BD+43 4098
DMcomp		BDsup		HD	208940	M HD	0
GC		RA1950rad	5.74460494	DE1950rad	0.77584615	PmRA2000	-0.0014
PmDE2000	-0.015

CCDM

Ccdm	21586+4442	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.64	DDEs	-27.4
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.6	Sp	F0	PmNote	*
PmRA	19	PmDE	0	Dm number	+43 4098	Cat1	BD
Name2	+44 2006	Cat2	AGK2/3	HD	208940	M HD
ADS BDS	A15504	M ADS BDS		N IDS		IDS	21546N4413A
HIC

21586+4442 B

Componente originario normalizzato	AB		Coord arcsec 2000	215833.75+444129.1		Mag	10.42		PmRA	-1.00
PmDE	5.0		Tycho2	3197-01078-2		Calc delta mag	1.79		Calc coord	yes

Tycho2

Tycho2	3197-01078-2	Pflag		RAmdeg	329.63970399	DEmdeg	44.69143801
PmRA	1.8	PmDE	3.5	E RAmdeg	27	E DEmdeg	26
E pmRA	1.3	E pmDE	1.2	EpRAm	1986.72	EpDEm	1986.75
Num	4	Q RAmdeg	2.5	Q DEmdeg	1.3	Q pmRA	2.5
Q pmDE	1.3	BTmag	10.821	E BTmag	0.045	VTmag	10.417
E VTmag	0.041	Prox	91	TYC	T	HIP
CCDM		RAdeg	329.63969833	DEdeg	44.69143028	EpRA 1990	1.72
EpDE 1990	1.83	E RAdeg	28.1	E DEdeg	26.5	Posflg
Corr	0.2

CCDM

Ccdm	21586+4442	RComp		Comp	B	Note1
Note2		Discov num	ES 683	DRAs		DDEs
R dRAs		Year	1908	Theta	249	Rho	8.9
Obs	5	Vmag	9.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A15504	M ADS BDS		N IDS		IDS	21546N4413B
HIC