20304+5014 ES 1100

20^h 30^m 24.25^s +50° 14' 54.7" P.A. 285.00 sep 2.6 mag 10.85,11.14

Coord 2000	20304+5014	Discov num	ES 1100	Comp		Coord arcsec 2000	20 30 24.25 +50 14 54.7
Date first	1911	Date last	2015	Obs	7
Pa first	282	Pa last	285.4	P.A. Now (θ)	285.4°
Sep first	2.3	Sep last	2.562	Sep. Now (ρ)	2.562"
Mag pri	10.85	Mag sec	11.14	delta mag (ΔM)	0.29	Spectral class
Pri motion ra	+011	Sec motion ra	+008
Pri motion dec	-010	Sec motion dec	-009
Notes

rPM=0.213 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3581-00158-1

Gaia DR2

2180146706795562240

ADS

13947

WDS 20304+5014 ES 1100 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
20304+5014	ES 1100		2003	5	285	2.5	10.85	11.14			203024.25+501454.7
20304+5014	ES 1100		2015	7	285	2.6	10.85	11.14			203024.25+501454.7

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

WDS 20304+5014 ES 1100 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20304+5014 ES 1100 : MEASURES

No records found.

WDS 20304+5014 : VIRTUAL EYEPIECE

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

WDS 20304+5014 : ALADIN DSS IMAGE @ 20^h 30^m 24.25^s +50° 14' 54.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20304+5014 ES 1100 : 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		20304+5014	ES 1100		285	2.6	1
Show		20311+5022	ES 1101		240	2.2	9
Show		20306+4956	TDT2331		235	0.9	19
Show		20320+5001	HEI 909		234	2.7	21
Show		20286+5039	HJ 1524		125	5.3	30
Show		20330+4950	MCA 61	AB	233	0.1	35
Show		20330+4950	RBR 49	AC	136	4.3	35
Show		20300+4940	HU 589		204	1.6	35
Show		20323+5048	RAO 615		157	0.8	38
Show		20273+4948	BVD 269		288	11.1	41
Show		20318+4933	BU 1136		215	0.7	45
Show		20347+4957	ES 2696		147	12.2	45
Show		20265+5101	KPP4198		173	1.6	59
Show		20309+4913	S 755	AB	278	59.9	63
Show		20309+4913	ES 2695	AC	118	20.2	63
Show		20313+4913	S 756		327	60.7	63
Show		20266+5106	HDS2923		196	0.2	63
Show		20349+5109	ES 990		299	2.6	69
Show		20356+5104	TDT2400		43	1.2	70
Show		20376+5028	L 49		82	4.1	71
Show		20378+5018	DAM 293		286	4.8	72
Show		20367+5053	HEI 879	Aa,Ab	137	0.1	72
Show		20367+5053	HLD 39	AB	174	7.5	72
Show		20271+4909	ES 802		238	5.1	74
Show		20380+5025	DAM 294		258	4.1	74
Show		20318+5128	TDT2339		338	1.0	75
Show		20383+5023	HU 588	AB	245	2.0	77
Show		20301+4857	BU 669	AB	336	15.0	78
Show		20301+4857	BU 669	AC	89	55.8	78
Show		20301+4857	GUI 32	AD	44	131.1	78
Show		20261+5122	WFC 233		322	5.1	79
Show		20300+5135	RAO 435		301	3.1	80
Show		20336+5131	KPP2429	AB	346	20.8	82
Show		20379+5106	KPP4397	CD	35	2.2	88
Show		20379+5106	ES 88	AB	127	7.8	89
Show		20379+5106	KPP4397	AC	193	51.7	89
Show		20379+5106	KPP4397	BC	201	49.0	89
Show		20285+5141	KPP2206		256	18.3	89
Show		20223+4930	TDT2212		356	2.5	90
Show		20246+4904	HEI 908		331	2.4	91
Show		20334+5142	TDT2369		61	2.4	92
Show		20205+5039	KPP 470		129	3.9	98
Show		20200+5008	KPP4192		232	1.5	101
Show		20226+5125	KPP1006		30	8.1	102
Show		20280+4829	HU 587		338	0.6	109
Show		20246+4842	ES 2694		321	11.9	110
Show		20421+5013	ES 91	BC	247	14.8	112
Show		20421+5013	ES 91	AB	189	4.6	112
Show		20421+5013	ES 91	AC	235	17.6	112
Show		20422+5020	BU 675	AB	102	3.3	114
Show		20422+5020	BU 675	AC	185	28.8	114

WDS 20304+5014 : COMPONENTS

	A
B	pa=293.3° sep=1.72"

20304+5014 A

Componente originario normalizzato	AB		Coord arcsec 2000	203024.25+501454.7		Mag	10.85		PmRA	11.00
PmDE	-10.0		Tycho2	3581-00158-1		ADS	13947		DM	BD+49 3299

Tycho2

Tycho2	3581-00158-1	Pflag	P	RAmdeg	307.60105335	DEmdeg	50.24853178
PmRA	-6.6	PmDE	0.0	E RAmdeg	33	E DEmdeg	36
E pmRA	3.2	E pmDE	2.9	EpRAm	1990.58	EpDEm	1990.06
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.2	Q pmRA	0.2
Q pmDE	1.2	BTmag	11.244	E BTmag	0.056	VTmag	10.845
E VTmag	0.058	Prox	25	TYC	T	HIP
CCDM		RAdeg	307.60154389	DEdeg	50.24845250	EpRA 1990	1.75
EpDE 1990	1.77	E RAdeg	32.6	E DEdeg	35.9	Posflg	D
Corr	0.0

20304+5014 B

Componente originario normalizzato	AB		Coord arcsec 2000	203024.09+501455.4		Mag	11.14		PmRA	8.00
PmDE	-9.0		Tycho2	3581-00158-2		Calc delta mag	0.29		Calc coord	yes

Tycho2

Tycho2	3581-00158-2	Pflag	P	RAmdeg	307.60105335	DEmdeg	50.24853178
PmRA	-6.6	PmDE	0.0	E RAmdeg	33	E DEmdeg	36
E pmRA	3.2	E pmDE	2.9	EpRAm	1990.58	EpDEm	1990.06
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.2	Q pmRA	0.2
Q pmDE	1.2	BTmag	11.393	E BTmag	0.065	VTmag	11.136
E VTmag	0.077	Prox	25	TYC	T	HIP
CCDM		RAdeg	307.60047333	DEdeg	50.24863389	EpRA 1990	1.76
EpDE 1990	1.77	E RAdeg	41.0	E DEdeg	45.4	Posflg	D
Corr	0.0