21423+4616 ES 1275 BD

21^h 42^m 17.05^s +46° 17' 34.3" P.A. 286.00 sep 6.1 mag 12.90,13.10

Coord 2000	21423+4616	Discov num	ES 1275	Comp	BD	Coord arcsec 2000	21 42 17.05 +46 17 34.3
Date first	1913	Date last	2015	Obs	5
Pa first	279	Pa last	285.9	P.A. Now (θ)	285.9°
Sep first	5.2	Sep last	6.131	Sep. Now (ρ)	6.131"
Mag pri	12.90	Mag sec	13.10	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	+004	Sec motion ra	-025
Pri motion dec	-018	Sec motion dec	-015
Notes

rPM=1

This double is not physical.

21423+4616 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 42 17 +46 16 23	ES 1275 AB	2013	6	1	72.6	8.62	12.90	4.28
Show			21 42 17 +46 17 34	ES 1275 BC	2015	5	337	4.3	12.90	13.30	0.40
Show			21 42 17 +46 17 34	ES 1275 BD	2015	5	286	6.1	12.90	13.10	0.20		<===

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1974255831569797632

WDS 21423+4616 ES 1275 BD : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21423+4616	ES 1275	BD	1998	2	285	6.1	12.80	13.00		D	214217.05+461734.3
21423+4616	ES 1275	BD	2003	4	285	6.0	12.90	13.10		D	214217.05+461734.3
21423+4616	ES 1275	BD	2015	5	286	6.1	12.90	13.10			214217.05+461734.3

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

WDS 21423+4616 ES 1275 BD : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21423+4616 ES 1275 BD : MEASURES

No records found.

WDS 21423+4616 : 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 21423+4616 : ALADIN DSS IMAGE @ 21^h 42^m 17.05^s +46° 17' 34.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21423+4616 ES 1275 BD : 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		21423+4616	ES 1275	BC	337	4.3
Show		21423+4616	ES 1275	BD	286	6.1
Show		21423+4616	ES 1275	AB	1	72.6	2
Show		21434+4634	BRT1151		278	4.1	21
Show		21444+4610	COU2315		101	0.3	22
Show		21401+4616	HDS3085		142	16.1	23
Show		21444+4611	HJ 1687		55	4.9	24
Show		21430+4549	ES 1276		279	3.3	30
Show		21393+4625	COU2312		164	0.3	32
Show		21450+4633	NSN 748		255	10.0	32
Show		21381+4616	TOR 29		339	7.5	45
Show		21386+4544	KPP1196		58	9.3	51
Show		21448+4534	TDT3131		106	1.7	52
Show		21441+4707	TDT3125		220	0.9	54
Show		21459+4535	BVD 271		267	12.5	58
Show		21473+4644	SRW 11	AB	28	28.9	59
Show		21473+4644	SRW 11	AC	341	26.3	59
Show		21396+4712	HJ 1676		136	29.6	61
Show		21383+4702	TDT3071		99	2.6	61
Show		21365+4609	ES 101		4	5.3	62
Show		21439+4517	TDT3123		242	1.5	63
Show		21467+4533	J 616		303	4.9	64
Show		21466+4713	HJ 1692		231	9.0	71
Show		21429+4507	COU2314		38	0.3	71
Show		21372+4527	COU2310		10	0.5	74
Show		21353+4612	TOR 28		324	13.1	74
Show		21352+4634	LDS4898		71	3.9	74
Show		21412+4733	GRF 18		203	146.6	77
Show		21370+4520	COU2309		53	0.7	80
Show		21500+4615	KPP 870		24	7.3	81
Show		21451+4733	CON 42	AB	120	0.7	81
Show		21451+4733	CON 42	AC	13	1.5	81
Show		21460+4506	HJ 1689		57	9.8	82
Show		21343+4630	ES 518		14	4.6	83
Show		21345+4559	HJ 1660		261	6.5	84
Show		21492+4702	COU2317	AB	111	0.3	86
Show		21492+4702	COU2317	AC	141	21.2	86
Show		21346+4654	TDT3038		135	0.6	88
Show		21435+4448	LIN 1	Aa,Ab	187	0.2	90
Show		21435+4448	HO 167	AB	205	1.3	90
Show		21353+4519	TDT3046		134	0.5	94
Show		21495+4716	HJ 1698		321	7.7	95
Show		21386+4747	COU2311		241	1.0	96
Show		21509+4542	KPP4249		74	2.0	97
Show		21372+4739	BEM 39	AB	329	15.7	97
Show		21372+4739	BEM 39	AD	7	25.9	97
Show		21372+4739	BEM 39	AE	124	25.1	97
Show		21372+4739	BEM 39	BC	124	6.5	98
Show		21350+4723	ES 1173		95	3.8	100
Show		21422+4434	ES 1341	AB	280	5.9	103
Show		21422+4434	ES 1341	AC	327	33.5	103

WDS 21423+4616 : COMPONENTS

	A	B	C
B	pa=3.8° sep=71.76"
C	pa=2.8° sep=75.61"	pa=343.8° sep=4.09"
D	pa=0.5° sep=73.28"	pa=292.4° sep=4.41"	pa=232.6° sep=3.69"

21423+4616 A

Coord arcsec 2000	214216.59+461622.7		Mag	8.62		Spectral class	K0 (yellow-orange)		PmRA	4.00
PmDE	-71.0		Tycho2	3591-00480-1

Tycho2

Tycho2	3591-00480-1	Pflag		RAmdeg	325.56911162	DEmdeg	46.27299940
PmRA	3.4	PmDE	-72.5	E RAmdeg	8	E DEmdeg	9
E pmRA	1.1	E pmDE	1.1	EpRAm	1990.64	EpDEm	1990.55
Num	8	Q RAmdeg	1.5	Q DEmdeg	0.7	Q pmRA	1.5
Q pmDE	0.7	BTmag	10.048	E BTmag	0.025	VTmag	8.619
E VTmag	0.013	Prox	999	TYC	T	HIP
CCDM		RAdeg	325.56910000	DEdeg	46.27316944	EpRA 1990	1.61
EpDE 1990	1.55	E RAdeg	8.2	E DEdeg	8.9	Posflg
Corr	0.2

21423+4616 B

Coord arcsec 2000	214217.05+461734.3		Coord calc	214217.05+461734.3		Mag	12.9		PmRA	4.00
PmDE	-18.0		Calc delta mag	4.28

21423+4616 C

Coord arcsec 2000	214216.94+461738.2		Mag	13.3		PmRA	16.00		PmDE	7.0
Calc delta mag	4.68		Calc coord	yes

21423+4616 D

Coord arcsec 2000	214216.66+461736.0		Mag	13.1		PmRA	-25.00		PmDE	-15.0
Calc delta mag	4.48		Calc coord	yes