21095+3437 ES 2256

21^h 09^m 29.40^s +34° 36' 40.4" P.A. 102.00 sep 4.7 mag 9.51,14.00 Sp F2

Coord 2000	21095+3437	Discov num	ES 2256	Comp		Coord arcsec 2000	21 09 29.40 +34 36 40.4
Date first	1926	Date last	2015	Obs	3
Pa first	128	Pa last	101.8	P.A. Now (θ)	101.8°
Sep first	5.7	Sep last	4.734	Sep. Now (ρ)	4.734"
Mag pri	9.51	Mag sec	14.00	delta mag (ΔM)	4.49	Spectral class	F2 (yellow-white)
Pri motion ra	-007	Sec motion ra
Pri motion dec	-024	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2710-01217-1

Gaia DR2

1867141718021840384

WDS 21095+3437 ES 2256 : 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Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E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
21095+3437	ES 2256		1926	1	128	5.7	9.51	14.00	F2		210929.40+343640.4
21095+3437	ES 2256		2011	2	102	4.5	9.51	14.00	F2		210929.40+343640.4
21095+3437	ES 2256		2015	3	102	4.7	9.51	14.00	F2		210929.40+343640.4

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

WDS 21095+3437 ES 2256 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21095+3437 ES 2256 : MEASURES

No records found.

WDS 21095+3437 : 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 21095+3437 : ALADIN DSS IMAGE @ 21^h 09^m 29.40^s +34° 36' 40.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21095+3437 ES 2256 : 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		21095+3437	ES 2256		102	4.7
Show		21105+3430	TDS1119		297	0.9	14
Show		21082+3449	TDT2776	Aa,Ab	103	0.5	21
Show		21082+3449	ES 2255	AB	249	5.0	21
Show		21105+3418	ES 2706		33	13.7	21
Show		21075+3441	GRV 420		145	22.3	25
Show		21078+3421	ABH 141	GF	293	15.2	26
Show		21078+3421	ES 2313	AB	196	7.3	26
Show		21078+3421	HJ 1614	AC	257	12.3	26
Show		21078+3421	ABH 141	AD	42	84.7	26
Show		21078+3421	ABH 141	AE	140	22.5	26
Show		21078+3421	ABH 141	AG	96	70.7	26
Show		21078+3421	ABH 141	AH	127	84.0	26
Show		21078+3421	ABH 141	AI	124	107.6	26
Show		21078+3421	ABH 141	AJ	222	62.0	26
Show		21078+3421	FYM 125	AL	195	61.0	26
Show		21078+3421	FYM 125	AM	259	67.3	26
Show		21078+3421	ABH 141	AF	92	56.4	26
Show		21078+3421	FYM 125	AK	232	74.3	26
Show		21074+3444	COU1814		195	0.3	27
Show		21078+3421	FYM 125	JK	260	14.0	28
Show		21097+3504	TDT2795		252	2.5	28
Show		21098+3504	ES 2257	BC	260	5.5	28
Show		21098+3504	ES 2257	AB	268	15.2	28
Show		21113+3419	ES 2314		186	4.3	29
Show		21095+3506	TDT2791		252	2.0	29
Show		21094+3506	TDT2790		118	0.4	30
Show		21108+3502	TDT2808		215	2.8	31
Show		21116+3419	ES 2315	AB	35	4.1	34
Show		21116+3419	ES 2315	AC	58	11.1	34
Show		21066+3436	POP 22	MN	272	8.9	34
Show		21066+3436	POP 22	AB	110	6.3	37
Show		21066+3436	POP 22	AC	16	29.8	37
Show		21066+3436	POP 22	AD	347	135.5	37
Show		21066+3436	POP 22	AF	303	55.9	37
Show		21066+3436	POP 22	AM	113	176.5	37
Show		21066+3436	POP 22	AX	354	139.8	37
Show		21066+3436	POP 22	XY	352	6.1	37
Show		21066+3436	POP 22	DE	283	7.9	37
Show		21066+3436	POP 22	FG	318	7.9	37
Show		21071+3459	TDT2764		25	1.7	38
Show		21123+3453	SLE 370	AB	266	9.8	38
Show		21123+3453	SLE 370	AC	199	16.2	38
Show		21067+3455	HU 691		313	0.4	39
Show		21099+3517	TDT2797		143	2.2	41
Show		21107+3515	TDS1120		244	2.0	42
Show		21130+3430	TDT2831		37	0.8	44
Show		21085+3355	J 3126		348	6.1	44
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

WDS 21095+3437 : COMPONENTS

	A
B	pa=104.2° sep=3.93"

21095+3437 A

Componente originario normalizzato	AB		Coord arcsec 2000	210929.40+343640.4		Mag	9.51		Spectral class	F2 (yellow-white)
PmRA	-7.00		PmDE	-24.0		Tycho2	2710-01217-1

Tycho2

Tycho2	2710-01217-1	Pflag		RAmdeg	317.37252816	DEmdeg	34.61123084
PmRA	-2.8	PmDE	-30.7	E RAmdeg	10	E DEmdeg	9
E pmRA	4.6	E pmDE	5.2	EpRAm	1991.56	EpDEm	1991.67
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.9	Q pmRA	0.4
Q pmDE	0.9	BTmag	10.010	E BTmag	0.020	VTmag	9.507
E VTmag	0.016	Prox	999	TYC	T	HIP
CCDM		RAdeg	317.37253611	DEdeg	34.61130139	EpRA 1990	1.65
EpDE 1990	1.73	E RAdeg	10.2	E DEdeg	9.4	Posflg
Corr	0.1

CCDM

Ccdm	21095+3437	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.60	DDEs	-19.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp		PmNote	*
PmRA	-3	PmDE	-23	Dm number	+34 4308	Cat1	BD
Name2	+34 2138	Cat2	AGK2/3	HD		M HD
ADS BDS	A14696	M ADS BDS		N IDS		IDS	21056N3412A
HIC

21095+3437 B

Componente originario normalizzato	AB		Coord arcsec 2000	210929.71+343639.4		Mag	14		Calc delta mag	4.49
Calc coord	yes

CCDM

Ccdm	21095+3437	RComp		Comp	B	Note1
Note2		Discov num	ES 2256	DRAs		DDEs
R dRAs		Year	1926	Theta	128	Rho	5.7
Obs	1	Vmag	13.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14696	M ADS BDS		N IDS		IDS	21056N3412B
HIC