21385+4955 HLD 47

21^h 38^m 29.00^s +49° 57' 42.0" P.A. 227.00 sep 6.4 mag 8.22,11.80 Sp K5

Coord 2000	21385+4955	Discov num	HLD 47	Comp		Coord arcsec 2000	21 38 29.00 +49 57 42.0
Date first	1881	Date last	2015	Obs	7
Pa first	229	Pa last	227.1	P.A. Now (θ)	227.1°
Sep first	6.6	Sep last	6.35	Sep. Now (ρ)	6.35"
Mag pri	8.22	Mag sec	11.80	delta mag (ΔM)	3.58	Spectral class	K5 (yellow-orange)
Pri motion ra	-018	Sec motion ra
Pri motion dec	+000	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3599-01038-1

Gaia DR2

1979119113249327872

WDS 21385+4955 HLD 47 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hld1874	Ma -	Holden, E.S.	.
Hld1874		Washington Observations, 1874
Hld1875	Ma -	Holden, E.S.	.
Hld1875		Washington Observations, 1875
Hld1875b	Ma j	Holden, E.S. & Newcomb, S.	1875AN.....86..321H
Hld1875b		AN 86, 321, 1875
Hld1875c	Ma j	Holden, E.S.	1875AN.....86..321H
Hld1875c		AN 86, 321, 1875
Hld1876	Ma -	Holden, E.S.	.
Hld1876		Washington Observations, 1876
Hld1876b	Ma j	Holden, E.S.	1876AN.....88..131H
Hld1876b		AN 88, 131, 1876
Hld1877	Ma -	Holden, E.S.	1877AN.....90..161H
Hld1877		AN 90, 161, 1877
Hld1877b	Ma j	Holden, E.S.	1877AN.....90..161H
Hld1877b		AN 90, 161, 1877
Hld1878	Ma -	Holden, E.S.	.
Hld1878		Washington Observations, 1878
Hld1878b	Ma j	Holden, E.S.	1878AN.....93...65H
Hld1878b		AN 93, 65, 1878 (data also in Hld1878)
Hld1879	Ma -	Holden, E.S.	.
Hld1879		Washington Observations, 1879
Hld1879b	Ma j	Holden, E.S.	1879AN.....95..329H
Hld1879b		AN 95, 329, 1879 (data also in Hld1879)
Hld1880	Ma -	Holden, E.S.	.
Hld1880		Washington Observations, 1880
Hld1880b	Ma j	Holden, E.S.	1880AN.....97..319H
Hld1880b		AN 97, 319, 1880 (data also in Hld1880)
Hld1881	Ma -	Holden, E.S.	.
Hld1881		Washington Observations, 1881
Hld1881b	Ma j	Holden, E.S.	1881MNRAS..41..416.
Hld1881b		MNRAS 41, 416, 1881
Hld1882	Ma -	Holden, E.S.	1882PWasO...1...77H
Hld1882		Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894)	1894PLicO...2.....B
Hld1884	Ma -	Holden, E.S.	1884PWasO...2...97H
Hld1884		Pub. Washburn Obs. 2, 97, 1884

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21385+4955	HLD 47		2000	4	227	6.0	8.22	11.80		D	213829.00+495742.0
21385+4955	HLD 47		2015	5	227	6.4	8.22	11.80	K5		213829.00+495742.0

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

WDS 21385+4955 HLD 47 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21385+4955 HLD 47 : MEASURES

No records found.

WDS 21385+4955 : VIRTUAL EYEPIECE

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WDS 21385+4955 : ALADIN DSS IMAGE @ 21^h 38^m 29.00^s +49° 57' 42.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21385+4955 HLD 47 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21385+4955	HLD 47		227	6.4
Show		21390+4940	HJ 1674		328	11.1	19
Show		21370+4941	LEO 28		155	2.5	22
Show		21396+5025	TDT3087		126	1.9	30
Show		21370+5032	ES 34	AB	137	2.7	37
Show		21370+5032	ES 34	AC	70	39.1	37
Show		21404+5029	ES 1104	AB	347	3.3	39
Show		21404+5029	ES 1104	AC	225	13.8	39
Show		21362+5030	HJ 1669		236	19.8	40
Show		21380+5037	COU2443		234	1.0	40
Show		21352+5022	IPH 29		260	15.8	40
Show		21417+5026	HJ 1684		319	10.8	43
Show		21415+4926	KPP4243		321	1.6	44
Show		21399+5039	ES 1103		240	6.6	45
Show		21414+4921	BU 373		170	5.0	48
Show		21415+5035	COU2444		340	0.6	48
Show		21342+5026	CVR 250		114	119.7	51
Show		21342+5029	ES 33		69	4.2	52
Show		21408+4911	TDT3101		330	0.9	52
Show		21399+4908	ES 825	AB	257	12.1	52
Show		21399+4908	ES 825	AC	284	57.7	52
Show		21399+4908	ES 825	AD	11	20.6	52
Show		21382+5049	FOX 43		83	2.6	53
Show		21331+5001	CLZ 81	AB	324	68.6	53
Show		21331+5001	RAO 460	AC	331	1.2	53
Show		21329+4959	CHR 102	AB	211	0.0	54
Show		21329+4959	RBR 52	AB,C	37	3.8	54
Show		21373+5050	HJ 1671		326	9.7	54
Show		21367+4905	TDT3061		46	0.6	55
Show		21379+5056	STJ 115		206	0.9	59
Show		21443+5024	TDT3128		198	1.7	62
Show		21439+5034	HU 693		232	1.1	64
Show		21339+5045	HDS3070		347	5.4	65
Show		21448+4931	ARG 43	BC	91	6.9	67
Show		21448+4931	ARG 43	AB	20	29.2	67
Show		21320+5023	TDS1133		309	1.1	68
Show		21369+5104	TDS1137		43	1.7	68
Show		21429+5053	COU2548		167	1.0	69
Show		21311+5008	HU 593		60	1.5	72
Show		21340+5100	COU2546		178	0.8	76
Show		21433+5100	BU 374		138	1.8	78
Show		21323+5054	TDT3019		82	0.7	82
Show		21332+4853	TDT3028		126	0.7	83
Show		21304+4926	TDT3002		311	1.7	85
Show		21379+5123	UC 264		180	10.2	86
Show		21296+5010	KPP 877		16	7.4	87
Show		21339+4842	SWN 7		313	1.9	88
Show		21380+4829	ES 102		36	11.4	89
Show		21326+4850	SWN 9		258	15.4	90
Show		21468+4919	MIU 3		129	0.1	90
Show		21425+4832	COU2313		55	0.4	94

WDS 21385+4955 : COMPONENTS

	A
B	pa=214.7° sep=5.26"

21385+4955 A

Componente originario normalizzato	AB		Coord arcsec 2000	213829.00+495742.0		Mag	8.22		Spectral class	K5 (yellow-orange)
PmRA	-18.00		PmDE	0.0		Tycho2	3599-01038-1

Tycho2

Tycho2	3599-01038-1	Pflag		RAmdeg	324.62086432	DEmdeg	49.96168146
PmRA	-2.8	PmDE	-3.1	E RAmdeg	8	E DEmdeg	8
E pmRA	1.9	E pmDE	1.9	EpRAm	1991.51	EpDEm	1991.46
Num	3	Q RAmdeg	0.0	Q DEmdeg	1.5	Q pmRA	0.0
Q pmDE	1.5	BTmag	10.185	E BTmag	0.030	VTmag	8.216
E VTmag	0.013	Prox	999	TYC	T	HIP
CCDM		RAdeg	324.62087417	DEdeg	49.96168861	EpRA 1990	1.72
EpDE 1990	1.66	E RAdeg	8.0	E DEdeg	7.9	Posflg
Corr	0.1

21385+4955 B

Componente originario normalizzato	AB		Coord arcsec 2000	213828.69+495737.7		Mag	11.8		Calc delta mag	3.58
Calc coord	yes