20558+4448 ES 674

20^h 55^m 48.12^s +44° 47' 44.3" P.A. 94.00 sep 5.6 mag 10.42,13.00 Sp A2

Coord 2000	20558+4448	Discov num	ES 674	Comp		Coord arcsec 2000	20 55 48.12 +44 47 44.3
Date first	1892	Date last	2016	Obs	9
Pa first	92	Pa last	94	P.A. Now (θ)	94°
Sep first	5.3	Sep last	5.6	Sep. Now (ρ)	5.6"
Mag pri	10.42	Mag sec	13.00	delta mag (ΔM)	2.58	Spectral class	A2 (white)
Pri motion ra	-002	Sec motion ra	+002
Pri motion dec	-003	Sec motion dec	-006
Notes

rPM=0.791

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3179-00607-1

Gaia DR2

2163068301927177088

ADS

14442

WDS 20558+4448 ES 674 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
20558+4448	ES 674		2000	3	94	5.6	10.42	13.00	A2	D	205548.12+444744.3
20558+4448	ES 674		2003	4	95	5.6	10.42	13.00	A2	D	205548.12+444744.3
20558+4448	ES 674		2010	5	94	5.6	10.42	13.00	A2		205548.12+444744.3
20558+4448	ES 674		2016	6	94	5.6	10.42	13.00	A2		205548.12+444744.3

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

WDS 20558+4448 ES 674 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20558+4448 ES 674 : MEASURES

No records found.

WDS 20558+4448 : 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 20558+4448 : ALADIN DSS IMAGE @ 20^h 55^m 48.12^s +44° 47' 44.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20558+4448 ES 674 : 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		20558+4448	ES 674		94	5.6
Show		20563+4447	ES 675	BC	108	3.7	4
Show		20563+4447	ES 675	AB	272	97.4	6
Show		20556+4453	COU2648		21	1.3	6
Show		20565+4447	TOB 203		329	15.8	8
Show		20565+4452	LDS2470		306	13.5	8
Show		20549+4451	LDS2466		287	4.8	11
Show		20566+4455	TRN 30		30	3.8	12
Show		20567+4439	BRT2283		339	6.0	14
Show		20574+4443	LDS2473		119	15.7	17
Show		20574+4451	LDS2472		254	1.7	17
Show		20538+4443	LDS5914		124	6.2	22
Show		20579+4442	COU2649		143	0.6	23
Show		20541+4507	STT 422		332	2.6	24
Show		20542+4508	LDS5915		43	18.0	27
Show		20578+4425	LDS2474		235	14.5	29
Show		20583+4428	RBR 50		76	0.4	34
Show		20532+4423	LSC 94		183	0.3	37
Show		20596+4432	LDS2477		285	8.0	40
Show		20525+4430	BRT2279		5	4.5	40
Show		20521+4438	HER 18		85	60.7	42
Show		20535+4523	HDS2975		191	0.2	43
Show		20578+4530	ES 676		293	7.6	48
Show		20579+4532	ES 677		160	5.8	50
Show		20511+4459	LDS2459		228	43.7	52
Show		20514+4519	ARG 40		250	9.2	57
Show		20599+4525	HEI 15		321	0.9	58
Show		20512+4415	CHN 31		47	6.7	59
Show		20509+4421	CHN 30	AB	92	2.7	59
Show		20509+4421	CHN 30	Aa,Ab	108	0.6	59
Show		20504+4518	SMA 121		32	11.6	61
Show		20506+4421	CHN 29		52	5.3	62
Show		20559+4345	COU2543		222	1.6	64
Show		20519+4537	SMA 122		262	7.4	65
Show		20527+4547	TDT2597		327	1.3	68
Show		20494+4452	TDS1103		200	0.8	68
Show		21010+4528	ES 1271		26	3.1	69
Show		20494+4458	GRV 384		222	22.1	69
Show		20504+4525	LDS5912		252	17.4	69
Show		20500+4521	ES 2702		348	8.6	70
Show		20528+4551	COU2647		225	0.4	71
Show		21022+4506	LDS2481		16	12.1	71
Show		20568+4335	BRT1957		177	1.1	74
Show		21018+4411	HO 600		98	2.1	74
Show		20565+4333	BRT1139		175	3.6	75
Show		20520+4346	SKF2740	BC	192	73.4	75
Show		20520+4346	STT 416	AB	117	9.6	75
Show		20501+4404	STT 595	AB	48	55.4	76
Show		20501+4404	STG 9	AC	83	102.7	76
Show		20501+4404	FYM 92	AD	242	51.8	76
Show		20501+4404	FYM 92	AE	190	35.2	76

WDS 20558+4448 : COMPONENTS

	A
B	pa=95.6° sep=3.98"

20558+4448 A

Componente originario normalizzato	AB	Coord arcsec 2000	205548.12+444744.3	Mag	10.42	Spectral class	A2 (white)
PmRA	-2.00	PmDE	-3.0	Tycho2	3179-00607-1	ADS	14442
DM	BD+44 3636

Tycho2

Tycho2	3179-00607-1	Pflag		RAmdeg	313.95053463	DEmdeg	44.79564723
PmRA	-54.9	PmDE	-1.8	E RAmdeg	33	E DEmdeg	33
E pmRA	2.1	E pmDE	2.0	EpRAm	1989.29	EpDEm	1989.15
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	10.880	E BTmag	0.052	VTmag	10.422
E VTmag	0.048	Prox	999	TYC	T	HIP
CCDM		RAdeg	313.95071222	DEdeg	44.79565111	EpRA 1990	1.74
EpDE 1990	1.83	E RAdeg	32.8	E DEdeg	32.5	Posflg
Corr	0.0

CCDM

Ccdm	20558+4448	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.02	DDEs	-14.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.4	Sp		PmNote	*
PmRA	-14	PmDE	10	Dm number	+44 3636	Cat1	BD
Name2	+44 1856	Cat2	AGK2/3	HD		M HD
ADS BDS	A14442	M ADS BDS		N IDS		IDS	20523N4425A
HIC

20558+4448 B

Componente originario normalizzato	AB		Coord arcsec 2000	205548.49+444743.9		Mag	13		PmRA	2.00
PmDE	-6.0		Calc delta mag	2.58		Calc coord	yes

CCDM

Ccdm	20558+4448	RComp		Comp	B	Note1
Note2		Discov num	ES 674	DRAs		DDEs
R dRAs		Year	1908	Theta	092	Rho	5.0
Obs	1	Vmag	13.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14442	M ADS BDS		N IDS		IDS	20523N4425B
HIC