20396+5450 ES 993

20^h 39^m 27.83^s +54° 48' 36.3" P.A. 194.00 sep 2.0 mag 11.29,11.42 Sp B8

Coord 2000	20396+5450	Discov num	ES 993	Comp		Coord arcsec 2000	20 39 27.83 +54 48 36.3
Date first	1910	Date last	2016	Obs	6
Pa first	290	Pa last	194.4	P.A. Now (θ)	194.4°
Sep first	2.0	Sep last	2.047	Sep. Now (ρ)	2.047"
Mag pri	11.29	Mag sec	11.42	delta mag (ΔM)	0.13	Spectral class	B8 (blue-white)
Pri motion ra	-008	Sec motion ra	-008
Pri motion dec	-008	Sec motion dec	-008
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3954-02336-1

Gaia DR2

2183578007705661056

WDS 20396+5450 ES 993 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
20396+5450	ES 993		1993	4	194	2.6	11.29	11.42			203927.83+544836.3
20396+5450	ES 993		2015	5	194	2.0	11.29	11.42	B8		203927.83+544836.3
20396+5450	ES 993		2016	6	194	2.0	11.29	11.42	B8		203927.83+544836.3

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

WDS 20396+5450 ES 993 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20396+5450 ES 993 : MEASURES

No records found.

WDS 20396+5450 : VIRTUAL EYEPIECE

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

WDS 20396+5450 : ALADIN DSS IMAGE @ 20^h 39^m 27.83^s +54° 48' 36.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20396+5450 ES 993 : 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		20396+5450	ES 993		194	2.0	1
Show		20388+5447	STI2550		183	12.4	7
Show		20385+5453	STI2548		168	13.8	10
Show		20414+5454	TDS1090		226	1.0	18
Show		20375+5437	STI2546		38	8.9	21
Show		20411+5504	TDS1089		252	1.4	22
Show		20402+5427	A 1682		49	1.4	23
Show		20376+5429	KPP2376		92	20.5	26
Show		20400+5515	HJ 1562	AB	167	21.7	27
Show		20400+5515	VBS 31	AC	13	45.6	27
Show		20421+5436	ES 994		11	4.7	27
Show		20368+5431	TDT2419		80	0.8	29
Show		20369+5429	STI2545		159	3.2	30
Show		20358+5435	ES 991	CD	120	2.6	34
Show		20358+5435	ES 991	AB	297	15.9	35
Show		20358+5435	ES 991	AC	106	61.7	35
Show		20380+5522	STI2547		86	2.5	36
Show		20403+5413	OSO 129	AB	141	10.8	37
Show		20403+5413	OSO 129	AC	115	17.1	37
Show		20403+5413	OSO 129	AD	143	19.9	37
Show		20403+5413	OSO 129	AE	70	19.7	37
Show		20354+5435	STI2543		208	3.2	39
Show		20443+5457	TDT2508		82	0.8	44
Show		20419+5529	TDT2477		266	1.2	46
Show		20351+5524	STI2542		337	5.5	46
Show		20433+5521	LLO 1		20	0.1	47
Show		20448+5430	TOI1356		289	0.3	50
Show		20377+5351	A 1681	AB	209	4.4	61
Show		20377+5351	A 1681	AC	339	56.9	61
Show		20331+5420	STI2539		255	10.1	63
Show		20455+5401	HLD 41	AB	225	3.7	71
Show		20455+5401	HLD 41	AC	262	9.6	71
Show		20365+5557	VBS 30	AB	141	4.6	73
Show		20365+5557	HJ 1556	AC	222	6.6	73
Show		20365+5557	VBS 30	AD	97	29.6	73
Show		20315+5520	TDS1079		126	0.9	76
Show		20306+5439	MLR 589		310	1.6	77
Show		20312+5519	A 1678		351	2.4	78
Show		20422+5606	OSW 74		88	127.2	81
Show		20474+5407	ES 997		274	3.3	82
Show		20298+5436	STI2536		91	7.5	85
Show		20424+5611	VKI 47		340	2.3	87
Show		20404+5615	OSW 73		250	188.6	87
Show		20443+5610	A 1684		141	2.1	92
Show		20301+5407	TDS1077		12	1.0	92
Show		20475+5553	HJ 1580		245	10.9	95
Show		20506+5452	HJ 1587	AB	259	10.4	96
Show		20506+5452	DJU 5	AC	66	77.9	96
Show		20506+5452	DJU 5	CD	173	4.0	97
Show		20284+5430	STF2693		12	13.7	98
Show		20337+5616	HJ 1545		180	15.5	100

WDS 20396+5450 : COMPONENTS

	A
B	pa=188.4° sep=2.00"

20396+5450 A

Componente originario normalizzato	AB		Coord arcsec 2000	203927.83+544836.3		Mag	11.29		Spectral class	B8 (blue-white)
PmRA	-8.00		PmDE	-8.0		Tycho2	3954-02336-1

Tycho2

Tycho2	3954-02336-1	Pflag	P	RAmdeg	309.86597856	DEmdeg	54.81008799
PmRA	-7.6	PmDE	-7.8	E RAmdeg	40	E DEmdeg	42
E pmRA	2.8	E pmDE	2.8	EpRAm	1989.15	EpDEm	1988.97
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.4
Q pmDE	0.5	BTmag	11.404	E BTmag	0.061	VTmag	11.290
E VTmag	0.081	Prox	20	TYC	T	HIP
CCDM		RAdeg	309.86612167	DEdeg	54.81033139	EpRA 1990	1.65
EpDE 1990	1.63	E RAdeg	40.7	E DEdeg	43.4	Posflg	D
Corr	0.0

20396+5450 B

Componente originario normalizzato	AB		Coord arcsec 2000	203927.80+544834.3		Mag	11.42		PmRA	-8.00
PmDE	-8.0		Tycho2	3954-02336-2		Calc delta mag	0.13		Calc coord	yes

Tycho2

Tycho2	3954-02336-2	Pflag	P	RAmdeg	309.86597856	DEmdeg	54.81008799
PmRA	-7.6	PmDE	-7.8	E RAmdeg	40	E DEmdeg	42
E pmRA	2.8	E pmDE	2.8	EpRAm	1989.15	EpDEm	1988.97
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.4
Q pmDE	0.5	BTmag	11.583	E BTmag	0.069	VTmag	11.424
E VTmag	0.094	Prox	20	TYC		HIP
CCDM		RAdeg	309.86585583	DEdeg	54.80980028	EpRA 1990	1.65
EpDE 1990	1.64	E RAdeg	47.0	E DEdeg	50.3	Posflg	D
Corr	0.0