21082+3449 ES 2255 AB

21^h 08^m 11.01^s +34° 49' 27.2" P.A. 249.00 sep 5.0 mag 10.67,11.70

Coord 2000	21082+3449	Discov num	ES 2255	Comp	AB	Coord arcsec 2000	21 08 11.01 +34 49 27.2
Date first	1926	Date last	2018	Obs	11
Pa first	249	Pa last	249.1	P.A. Now (θ)	249.1°
Sep first	4.3	Sep last	4.951	Sep. Now (ρ)	4.951"
Mag pri	10.67	Mag sec	11.70	delta mag (ΔM)	1.03	Spectral class
Pri motion ra	+023	Sec motion ra	-037
Pri motion dec	-012	Sec motion dec	-035
Notes

rPM=1.262

This double is not physical.

21082+3449 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 08 11 +34 49 27	TDT 2776 Aa,Ab	1991	1	103	0.5	11.34	11.48	0.14
Show			21 08 11 +34 49 27	ES 2255 AB	2018	11	249	5.0	10.67	11.70	1.03		<===

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2709-01039-1

Gaia DR2

1867161749749301888

WDS 21082+3449 ES 2255 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21082+3449	ES 2255	AB	2004	4	249	4.8	10.67	11.70		D	210811.01+344927.2
21082+3449	ES 2255	AB	2016	7	249	4.8	10.67	11.70			210811.01+344927.2
21082+3449	ES 2255	AB	2018	9	249	5.0	10.67	11.70			210811.01+344927.2

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

WDS 21082+3449 ES 2255 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21082+3449 ES 2255 AB : MEASURES

No records found.

WDS 21082+3449 : 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 21082+3449 : ALADIN DSS IMAGE @ 21^h 08^m 11.01^s +34° 49' 27.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21082+3449 ES 2255 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		21082+3449	TDT2776	Aa,Ab	103	0.5
Show		21082+3449	ES 2255	AB	249	5.0
Show		21074+3444	COU1814		195	0.3	11
Show		21075+3441	GRV 420		145	22.3	12
Show		21071+3459	TDT2764		25	1.7	17
Show		21067+3455	HU 691		313	0.4	19
Show		21095+3437	ES 2256		102	4.7	21
Show		21094+3506	TDT2790		118	0.4	23
Show		21066+3436	POP 22	MN	272	8.9	23
Show		21095+3506	TDT2791		252	2.0	23
Show		21066+3436	POP 22	XY	352	6.1	24
Show		21066+3436	POP 22	DE	283	7.9	24
Show		21097+3504	TDT2795		252	2.5	24
Show		21066+3436	POP 22	AB	110	6.3	25
Show		21066+3436	POP 22	AC	16	29.8	25
Show		21066+3436	POP 22	AD	347	135.5	25
Show		21066+3436	POP 22	AF	303	55.9	25
Show		21066+3436	POP 22	AM	113	176.5	25
Show		21066+3436	POP 22	AX	354	139.8	25
Show		21066+3436	POP 22	FG	318	7.9	25
Show		21098+3504	ES 2257	BC	260	5.5	25
Show		21098+3504	ES 2257	AB	268	15.2	25
Show		21061+3459	POP 25		303	5.5	28
Show		21078+3421	ABH 141	GF	293	15.2	29
Show		21078+3421	ES 2313	AB	196	7.3	29
Show		21078+3421	HJ 1614	AC	257	12.3	29
Show		21078+3421	ABH 141	AD	42	84.7	29
Show		21078+3421	ABH 141	AE	140	22.5	29
Show		21078+3421	ABH 141	AG	96	70.7	29
Show		21078+3421	ABH 141	AH	127	84.0	29
Show		21078+3421	ABH 141	AI	124	107.6	29
Show		21078+3421	ABH 141	AJ	222	62.0	29
Show		21078+3421	FYM 125	AL	195	61.0	29
Show		21078+3421	FYM 125	AM	259	67.3	29
Show		21078+3421	ABH 141	AF	92	56.4	29
Show		21078+3421	FYM 125	AK	232	74.3	29
Show		21078+3421	FYM 125	JK	260	14.0	30
Show		21059+3459	POP 24		247	8.2	30
Show		21054+3447	GRV 414		170	67.7	34
Show		21105+3430	TDS1119		297	0.9	35
Show		21108+3502	TDT2808		215	2.8	35
Show		21099+3517	TDT2797		143	2.2	36
Show		21062+3520	GRV 417		143	41.2	40
Show		21107+3515	TDS1120		244	2.0	41
Show		21105+3418	ES 2706		33	13.7	41
Show		21056+3421	TDS1114		258	0.8	44
Show		21091+3531	POP 26		242	4.8	45
Show		21068+3408	STF2760	AB	33	5.6	45
Show		21068+3408	STF2760	AC	150	57.4	45
Show		21068+3408	WAL 136	AD	9	30.7	45
Show		21068+3408	FYM 123	AE	211	27.0	45

WDS 21082+3449 : COMPONENTS

	A	Ab
Ab	pa=106.1° sep=0.38"
B	pa=245.1° sep=4.19"	pa=248.3° sep=4.48"

21082+3449 A

Coord arcsec 2000	210811.01+344927.2		Mag	10.67		PmRA	23.00		PmDE	-12.0
Tycho2	2709-01039-1

Tycho2

Tycho2	2709-01039-1	Pflag		RAmdeg	317.04596807	DEmdeg	34.82419791
PmRA	24.9	PmDE	-15.3	E RAmdeg	26	E DEmdeg	22
E pmRA	3.9	E pmDE	4.5	EpRAm	1990.77	EpDEm	1991.31
Num	4	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.8
Q pmDE	0.9	BTmag	11.277	E BTmag	0.043	VTmag	10.673
E VTmag	0.036	Prox	887	TYC	T	HIP
CCDM		RAdeg	317.04589778	DEdeg	34.82423278	EpRA 1990	1.65
EpDE 1990	1.79	E RAdeg	25.8	E DEdeg	22.2	Posflg
Corr	0.1

21082+3449 Ab

Coord arcsec 2000	210811.04+344927.1		Mag	11.48		PmRA	25.00		PmDE	-15.0
Calc delta mag	0.14		Calc coord	yes

21082+3449 B

Coord arcsec 2000	210810.70+344925.4		Mag	11.7		PmRA	-37.00		PmDE	-35.0
Calc delta mag	0.36		Calc coord	yes