21112+4346 ES 1454 AB

21^h 11^m 12.26^s +43° 45' 49.0" P.A. 111.00 sep 66.8 mag 9.60,11.88 Sp K0

Coord 2000	21112+4346	Discov num	ES 1454	Comp	AB	Coord arcsec 2000	21 11 12.26 +43 45 49.0
Date first	1895	Date last	2015	Obs	7
Pa first	114	Pa last	111	P.A. Now (θ)	111°
Sep first	64.4	Sep last	66.76	Sep. Now (ρ)	66.76"
Mag pri	9.60	Mag sec	11.88	delta mag (ΔM)	2.28	Spectral class	K0 (yellow-orange)
Pri motion ra	+000	Sec motion ra	+031
Pri motion dec	-008	Sec motion dec	+007
Notes

rPM=1.084

This double is not physical.

21112+4346 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 11 12 +43 45 49	ES 1454 AB	2015	7	111	66.8	9.60	11.88	2.28		<===
Show			21 11 18 +43 45 25	ES 1454 BC	2016	9	285	3.2	11.88	12.04	0.16

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3181-02340-1

Gaia DR2

1970204238606546048

WDS 21112+4346 ES 1454 AB : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21112+4346	ES 1454	AB	1998	1	111	66.5	9.60	11.88		D	211112.26+434549.0
21112+4346	ES 1454	AB	2002	6	112	63.4	9.60	11.88		D	211112.26+434549.0
21112+4346	ES 1454	AB	2015	7	111	66.8	9.60	11.88	K0		211112.26+434549.0

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

WDS 21112+4346 ES 1454 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21112+4346 ES 1454 AB : MEASURES

No records found.

WDS 21112+4346 : 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 21112+4346 : ALADIN DSS IMAGE @ 21^h 11^m 12.26^s +43° 45' 49.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21112+4346 ES 1454 AB : 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		21112+4346	ES 1454	AB	111	66.8
Show		21112+4346	ES 1454	BC	285	3.2	2
Show		21103+4359	STF2773	EF	41	10.7	17
Show		21103+4359	STF2773	AB	112	3.3	18
Show		21103+4359	STF2773	AC	64	20.3	18
Show		21103+4359	STF2773	AD	262	29.4	18
Show		21103+4359	STF2773	AE	149	52.2	18
Show		21101+4359	HJ 1618	BC	132	2.9	18
Show		21101+4359	HJ 1618	AB	174	21.7	19
Show		21100+4326	ES 1453		67	5.3	24
Show		21118+4417	TDT2812		258	0.5	32
Show		21108+4417	A 882		228	2.6	32
Show		21139+4400	COU2299		33	0.4	33
Show		21120+4419	TDT2816		89	0.3	35
Show		21099+4422	STF2772		224	12.4	39
Show		21145+4329	J 610		26	3.3	40
Show		21086+4312	GRV 423		212	62.4	44
Show		21152+4339	LDS2501		274	11.3	44
Show		21105+4300	VKI 39		236	1.3	47
Show		21118+4259	STJ 91		271	1.0	48
Show		21154+4325	LDS2502		172	67.0	49
Show		21071+4322	ES 1452		19	2.3	50
Show		21099+4257	LDS2492		135	21.5	51
Show		21136+4433	ES 1333		296	1.6	54
Show		21158+4326	TDT2867		305	0.6	54
Show		21104+4253	BRT1144	AB	19	2.9	55
Show		21104+4253	BRT1144	AC	341	5.1	55
Show		21104+4253	BRT1144	BC	309	3.3	55
Show		21079+4430	LDS2490		190	12.6	56
Show		21069+4314	TDT2759		119	0.5	57
Show		21108+4249	VKI 40		255	3.8	58
Show		21058+4341	BU 679		75	0.7	59
Show		21139+4438	TDT2839		352	1.2	60
Show		21166+4357	BRT1147			2.6	61
Show		21160+4313	LDS2503		131	4.0	62
Show		21062+4315	DAM1460		284	2.4	62
Show		21064+4314	LDS2488		166	2.2	63
Show		21171+4350	TDT2882		334	0.6	65
Show		21151+4257	COU2300		263	0.3	65
Show		21053+4328	LDS2486		329	78.2	67
Show		21069+4256	ES 1580		88	3.8	69
Show		21073+4440	A 881		218	4.3	70
Show		21176+4350	COU2301		69	0.5	70
Show		21137+4453	LDS2498		316	13.0	71
Show		21171+4312	A 401		318	0.4	73
Show		21115+4233	COU2225		82	2.1	73
Show		21097+4230	GRV 428		142	40.9	77
Show		21062+4249	KPP1022		29	8.2	79
Show		21161+4444	MCN 2		303	16.0	79
Show		21185+4357	TRN 32		81	3.8	80
Show		21054+4256	ES 1579		273	4.3	81

WDS 21112+4346 : COMPONENTS

	A	B
B	pa=111.4° sep=66.46"
C	pa=111.5° sep=64.11"	pa=290.1° sep=2.35"

21112+4346 A

Coord arcsec 2000	211112.26+434549.0		Mag	9.6		Spectral class	K0 (yellow-orange)		PmRA	0.00
PmDE	-8.0		Tycho2	3181-02340-1

Tycho2

Tycho2	3181-02340-1	Pflag		RAmdeg	317.80106726	DEmdeg	43.76360466
PmRA	0.5	PmDE	-9.4	E RAmdeg	15	E DEmdeg	16
E pmRA	1.3	E pmDE	1.2	EpRAm	1989.16	EpDEm	1988.45
Num	7	Q RAmdeg	0.4	Q DEmdeg	0.8	Q pmRA	0.4
Q pmDE	0.7	BTmag	10.783	E BTmag	0.040	VTmag	9.600
E VTmag	0.021	Prox	630	TYC	T	HIP
CCDM		RAdeg	317.80106583	DEdeg	43.76362778	EpRA 1990	1.65
EpDE 1990	1.66	E RAdeg	16.0	E DEdeg	17.5	Posflg
Corr	0.1

CCDM

Ccdm	21112+4346	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.25	DDEs	-10.8
R dRAs	65	Year		Theta		Rho
Obs	3	Vmag	10.8	Sp	K0	PmNote	*
PmRA	1	PmDE	9	Dm number	+43 3830	Cat1	BD
Name2	+43 1939	Cat2	AGK2/3	HD		M HD
ADS BDS	A14731	M ADS BDS		N IDS		IDS	21075N4321A
HIC

21112+4346 B

Coord arcsec 2000	211117.97+434524.7		Coord calc	211117.97+434524.7		Mag	11.88		PmRA	31.00
PmDE	7.0		Calc delta mag	2.28

CCDM

Ccdm	21112+4346	RComp		Comp	B	Note1
Note2		Discov num	ES 1454	DRAs		DDEs
R dRAs		Year	1915	Theta	114	Rho
Obs	1	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14731	M ADS BDS		N IDS		IDS	21075N4321B
HIC

21112+4346 C

Coord arcsec 2000	211117.77+434525.5		Mag	12.04		PmRA	5.00		PmDE	14.0
Calc delta mag	2.44		Calc coord	yes

CCDM

Ccdm	21112+4346	RComp	B	Comp	C	Note1
Note2		Discov num	ES 1454	DRAs		DDEs
R dRAs		Year	1915	Theta	285	Rho	2.9
Obs	1	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14731	M ADS BDS		N IDS		IDS	21075N4321C
HIC