21031+5519 ES 1001

21^h 03^m 04.68^s +55° 18' 38.5" P.A. 32.00 sep 3.6 mag 10.10,10.60 Sp B

Coord 2000	21031+5519	Discov num	ES 1001	Comp		Coord arcsec 2000	21 03 04.68 +55 18 38.5
Date first	1910	Date last	2019	Obs	11
Pa first	35	Pa last	31.8	P.A. Now (θ)	31.8°
Sep first	5.0	Sep last	3.6	Sep. Now (ρ)	3.6"
Mag pri	10.10	Mag sec	10.60	delta mag (ΔM)	0.5	Spectral class	B (blue-white)
Pri motion ra	-011	Sec motion ra
Pri motion dec	-015	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3956-00756-1

Gaia DR2

2188896070567106688

WDS 21031+5519 ES 1001 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21031+5519	ES 1001		2001	6	35	3.7	10.10	10.60		D	210304.68+551838.5
21031+5519	ES 1001		2003	7	34	4.0	10.10	10.60		D	210304.68+551838.5
21031+5519	ES 1001		2016	8	34	4.1	10.10	10.60	B		210304.68+551838.5
21031+5519	ES 1001		2019	11	32	3.6	10.10	10.60	B		210304.68+551838.5

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

WDS 21031+5519 ES 1001 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21031+5519 ES 1001 : MEASURES

No records found.

WDS 21031+5519 : 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 21031+5519 : ALADIN DSS IMAGE @ 21^h 03^m 04.68^s +55° 18' 38.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21031+5519 ES 1001 : 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		21031+5519	ES 1001		32	3.6
Show		21045+5558	KPP4223		236	1.9	42
Show		20585+5539	A 1686		282	1.9	45
Show		21067+5556	TDT2753		31	0.7	49
Show		21006+5432	HJ 1606	AB	184	18.7	52
Show		21006+5432	BU 1498	AC	336	54.3	52
Show		21006+5432	HJ 1605	AD	219	207.5	52
Show		21088+5459	CVR 239		190	93.9	54
Show		21006+5432	HJ 1605	DE	118	21.3	55
Show		21096+5502	HJ 1621		148	19.4	59
Show		21016+5422	A 1439	AB	250	4.4	59
Show		21016+5422	A 1439	AC	342	16.5	59
Show		21060+5422	A 1691	Aa,Ab	201	0.4	63
Show		21060+5422	HJL1105	AB	346	172.7	63
Show		21103+5512	BU 1500	AB	114	7.8	63
Show		21103+5512	HJ 1622	AC	296	12.8	63
Show		21085+5603	PET 1		343	0.2	64
Show		21062+5628	TDT2747		26	0.4	75
Show		21092+5421	LEP 99		27	113.7	79
Show		21064+5405	TDT2750		262	0.9	79
Show		21036+5358	HDS2999	Aa,Ab	352	0.3	81
Show		21036+5358	ES 2704	AB	97	54.4	81
Show		21021+5640	STF2751		356	1.6	82
Show		21040+5354	VLM 2		188	8.1	86
Show		20558+5417	CBL 89		150	14.4	89
Show		21112+5620	DOO 16		29	1.1	93
Show		20567+5618	ROE 89		241	5.5	99
Show		21055+5340	BU 680	AB	283	0.6	101
Show		21055+5340	BU 680	AC	33	20.8	101
Show		21152+5531	A 1692		167	0.3	104
Show		21019+5704	BU 1139		136	2.1	107
Show		21090+5654	RAO 447		234	3.5	108
Show		21044+5331	ES 1002		64	6.7	109
Show		20506+5452	DJU 5	CD	173	4.0	110
Show		20567+5656	A 755		189	0.1	111
Show		20506+5452	HJ 1587	AB	259	10.4	111
Show		20506+5452	DJU 5	AC	66	77.9	111
Show		21005+5709	STI2557		131	8.1	112
Show		20553+5651	A 752		8	1.2	114
Show		21166+5455	TDT2877		340	1.1	119
Show		20599+5714	ES 136		159	4.2	119
Show		20515+5403	ARG 41	AB	194	11.2	126
Show		20515+5403	ARG 41	BC	250	11.3	126
Show		20518+5357	TDT2586		350	0.8	128
Show		21106+5710	ES 1760		29	2.1	129
Show		21101+5715	STI2561		183	14.2	130
Show		21185+5505	ES 2707		348	10.3	133
Show		21063+5308	ES 2705		18	9.0	134
Show		20540+5711	ES 135	AB	199	7.1	136
Show		20540+5711	ES 135	AC	115	71.7	136
Show		20475+5553	HJ 1580		245	10.9	137

WDS 21031+5519 : COMPONENTS

	A
B	pa=19.4° sep=3.24"

21031+5519 A

Componente originario normalizzato	AB		Coord arcsec 2000	210304.68+551838.5		Mag	10.1		Spectral class	B (blue-white)
PmRA	-11.00		PmDE	-15.0		Tycho2	3956-00756-1

Tycho2

Tycho2	3956-00756-1	Pflag		RAmdeg	315.76953297	DEmdeg	55.31071413
PmRA	-2.2	PmDE	-13.3	E RAmdeg	24	E DEmdeg	26
E pmRA	2.2	E pmDE	2.2	EpRAm	1990.43	EpDEm	1989.99
Num	4	Q RAmdeg	0.2	Q DEmdeg	1.2	Q pmRA	0.2
Q pmDE	1.2	BTmag	10.945	E BTmag	0.044	VTmag	10.319
E VTmag	0.036	Prox	999	TYC	T	HIP
CCDM		RAdeg	315.76954222	DEdeg	55.31074500	EpRA 1990	1.76
EpDE 1990	1.64	E RAdeg	24.2	E DEdeg	25.5	Posflg
Corr	0.1

21031+5519 B

Componente originario normalizzato	AB		Coord arcsec 2000	210304.81+551841.6		Mag	10.6		Calc delta mag	0.5
Calc coord	yes