21185+5505 ES 2707

21^h 18^m 30.31^s +55° 05' 07.4" P.A. 348.00 sep 10.3 mag 8.68,12.70 Sp A2

Coord 2000	21185+5505	Discov num	ES 2707	Comp		Coord arcsec 2000	21 18 30.31 +55 05 07.4
Date first	1910	Date last	2015	Obs	9
Pa first	338	Pa last	348.3	P.A. Now (θ)	348.3°
Sep first	9.0	Sep last	10.322	Sep. Now (ρ)	10.322"
Mag pri	8.68	Mag sec	12.70	delta mag (ΔM)	4.02	Spectral class	A2 (white)
Pri motion ra	-012	Sec motion ra
Pri motion dec	-020	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cygnus		SAO	33304		Tycho2	3957-00612-1		Gaia DR2	2176974787547344128
HD	203168

WDS 21185+5505 ES 2707 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21185+5505	ES 2707		1999	2	348	10.1	8.68	12.70	A2	D	211830.31+550507.4
21185+5505	ES 2707		2003	3	348	10.1	8.68	12.70	A2	D	211830.31+550507.4
21185+5505	ES 2707		2010	4	349	10.2	8.68	12.70	A2		211830.31+550507.4
21185+5505	ES 2707		2015	5	348	10.3	8.68	12.70	A2		211830.31+550507.4

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

WDS 21185+5505 ES 2707 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21185+5505 ES 2707 : MEASURES

No records found.

WDS 21185+5505 : 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 21185+5505 : ALADIN DSS IMAGE @ 21^h 18^m 30.31^s +55° 05' 07.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21185+5505 ES 2707 : 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		21185+5505	ES 2707		348	10.3
Show		21197+5455	A 1694		93	0.8	15
Show		21166+5455	TDT2877		340	1.1	20
Show		21200+5436	TDT2908	Aa,Ab	295	0.3	33
Show		21200+5436	SKF1978	AB	298	31.8	33
Show		21222+5453	A 1696		49	1.3	35
Show		21225+5504	HJ 1642		210	35.9	35
Show		21202+5433	TDT2909		77	0.6	36
Show		21152+5531	A 1692		167	0.3	39
Show		21215+5434	ROE 91	AB	250	4.9	41
Show		21215+5434	ROE 91	AC	187	47.5	41
Show		21215+5434	ROE 91	AD	275	74.4	41
Show		21215+5434	ROE 91	AE	256	82.1	41
Show		21196+5552	MLR 582		348	0.9	46
Show		21237+5518	A 1892		351	0.8	46
Show		21189+5413	FAB 17		313	8.1	53
Show		21202+5411	HDS3036		165	0.4	57
Show		21252+5513	VKI 42		187	2.1	59
Show		21103+5512	BU 1500	AB	114	7.8	71
Show		21103+5512	HJ 1622	AC	296	12.8	71
Show		21203+5354	TDT2910		287	0.7	73
Show		21262+5433	ES 1007	AB	49	2.0	74
Show		21255+5418	A 1697		251	3.8	77
Show		21096+5502	HJ 1621		148	19.4	77
Show		21152+5351	BVD 134	AB	57	22.9	80
Show		21178+5344	TDT2891		201	0.5	82
Show		21088+5459	CVR 239		190	93.9	84
Show		21282+5452	STI2568		334	13.4	84
Show		21147+5345	FMR 234		293	2.5	87
Show		21220+5631	CRB 210		341	12.9	91
Show		21211+5337	CVR 240		21	64.4	91
Show		21092+5421	LEP 99		27	113.7	92
Show		21252+5618	TDS1127		236	1.1	93
Show		21112+5620	DOO 16		29	1.1	98
Show		21085+5603	PET 1		343	0.2	103
Show		21211+5323	ES 139		352	5.7	106
Show		21199+5319	A 1695		193	0.5	107
Show		21067+5556	TDT2753		31	0.7	113
Show		21238+5322	KPP 810		76	7.0	113
Show		21060+5422	A 1691	Aa,Ab	201	0.4	117
Show		21060+5422	HJL1105	AB	346	172.7	117
Show		21125+5318	ES 209		239	4.1	120
Show		21064+5405	TDT2750		262	0.9	122
Show		21147+5702	HJ 1630		133	17.4	122
Show		21197+5303	S 786		298	47.9	123
Show		21327+5459	HDS3063		2	0.3	123
Show		21200+5259	STF2789	AB	113	6.9	128
Show		21200+5259	STF2789	AC	171	133.1	128
Show		21195+5256	A 1693		74	2.8	130
Show		21045+5558	KPP4223		236	1.9	131
Show		21062+5628	TDT2747		26	0.4	133

WDS 21185+5505 : COMPONENTS

	A
B	pa=353.2° sep=10.18"

21185+5505 A

Componente originario normalizzato	AB	Coord arcsec 2000	211830.31+550507.4	Mag	8.68	Spectral class	A2 (white)
PmRA	-12.00	PmDE	-20.0	SAO	33304	Tycho2	3957-00612-1
HD	203168	DM	BD+54 2512

Tycho2

Tycho2	3957-00612-1	Pflag		RAmdeg	319.62629793	DEmdeg	55.08539320
PmRA	-11.8	PmDE	-20.1	E RAmdeg	7	E DEmdeg	7
E pmRA	1.4	E pmDE	1.5	EpRAm	1991.16	EpDEm	1991.22
Num	7	Q RAmdeg	1.1	Q DEmdeg	0.7	Q pmRA	1.3
Q pmDE	0.7	BTmag	8.898	E BTmag	0.016	VTmag	8.677
E VTmag	0.014	Prox	999	TYC	T	HIP
CCDM		RAdeg	319.62634694	DEdeg	55.08543944	EpRA 1990	1.68
EpDE 1990	1.69	E RAdeg	6.7	E DEdeg	6.7	Posflg
Corr	0.0

SAO

SAO	33304	DelFlag		RA1950		PmRA1950	-0.0014
DE1950		PmDE1950	-0.021	Vmag	8.6	SpType	A2
Double code		Source	37	CatNum	6999	DM	BD+54 2512
DMcomp		BDsup		HD	203168	M HD	0
GC		RA1950rad	5.57186007	DE1950rad	0.95773543	PmRA2000	-0.001
PmDE2000	-0.024

CCDM

Ccdm	21185+5505	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.08	DDEs	7.4
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.6	Sp	A2	PmNote	*
PmRA	-39	PmDE	-23	Dm number	+54 2512	Cat1	BD
Name2	+54 1404	Cat2	AGK2/3	HD	203168	M HD
ADS BDS	A14848	M ADS BDS		N IDS		IDS	21154N5440A
HIC

21185+5505 B

Componente originario normalizzato	AB		Coord arcsec 2000	211830.17+550517.5		Mag	12.7		Calc delta mag	4.02
Calc coord	yes

CCDM

Ccdm	21185+5505	RComp		Comp	B	Note1
Note2		Discov num	ES	DRAs		DDEs
R dRAs		Year	1910	Theta	338	Rho	9.0
Obs	1	Vmag	12.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14848	M ADS BDS		N IDS		IDS	21154N5440B
HIC