21487+3914 TDS 1147

21^h 48^m 41.86^s +39° 13' 41.3" P.A. 26.00 sep 1.0 mag 11.26,11.33

Coord 2000	21487+3914	Discov num	TDS1147	Comp		Coord arcsec 2000	21 48 41.86 +39 13 41.3
Date first	1991	Date last	2016	Obs	4
Pa first	24	Pa last	25.5	P.A. Now (θ)	25.5°
Sep first	0.9	Sep last	0.961	Sep. Now (ρ)	0.961"
Mag pri	11.26	Mag sec	11.33	delta mag (ΔM)	0.07	Spectral class
Pri motion ra	+011	Sec motion ra	+011
Pri motion dec	-009	Sec motion dec	-009
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3184-00121-1

Gaia DR2

1953371471480964096

WDS 21487+3914 TDS 1147 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21487+3914	TDS1147		1991	1	24	0.9	11.26	11.33			214841.86+391341.3
21487+3914	TDS1147		2013	2	24	0.9	11.26	11.33			214841.86+391341.3
21487+3914	TDS1147		2015	3	26	1.0	11.26	11.33			214841.86+391341.3
21487+3914	TDS1147		2016	4	26	1.0	11.26	11.33			214841.86+391341.3

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

WDS 21487+3914 TDS 1147 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21487+3914 TDS 1147 : MEASURES

No records found.

WDS 21487+3914 : VIRTUAL EYEPIECE

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WDS 21487+3914 : ALADIN DSS IMAGE @ 21^h 48^m 41.86^s +39° 13' 41.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21487+3914 TDS 1147 : 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		21487+3914	TDS1147		26	1.0
Show		21490+3912	TDT3173		137	0.6	4
Show		21481+3911	TDT3162		146	2.0	8
Show		21504+3927	HO 170		256	0.3	25
Show		21493+3937	SEI1536		147	28.1	25
Show		21492+3849	TDT3176		1	2.3	26
Show		21509+3918	MLB 788		52	4.9	27
Show		21506+3847	MLB 962		322	4.4	35
Show		21505+3944	ES 211	AB	197	2.5	38
Show		21505+3944	ES 211	AC	178	10.1	38
Show		21505+3944	ES 211	AD	102	21.1	38
Show		21464+3847	MLB 961		4	6.5	38
Show		21513+3938	TDT3196		234	2.1	39
Show		21512+3941	TDT3192		118	0.5	40
Show		21520+3857	COU1823		13	1.0	43
Show		21459+3943	SEI1535		229	8.5	43
Show		21453+3853	TDT3139		65	0.5	45
Show		21458+3945	MLB 902		327	5.6	50
Show		21529+3901	SEI1542		172	29.7	51
Show		21450+3942	GRV 499		170	67.4	52
Show		21445+3933	A 1447		243	0.4	53
Show		21526+3841	MLB 991			4.4	56
Show		21454+3955	SEI1534		189	27.8	57
Show		21493+3816	A 1448		331	4.7	58
Show		21520+3826	HDS3114		119	0.1	62
Show		21466+3815	COU1639		204	1.8	64
Show		21506+4017	SEI1539		260	27.0	68
Show		21429+3904	GRV 496		72	29.9	68
Show		21484+3806	ALI 694		163	6.4	69
Show		21522+3817	TDT3205		142	0.5	70
Show		21542+3953	HJ 1703		82	8.9	75
Show		21518+4022	TDT3199		341	3.9	77
Show		21550+3851	TDT3237		115	1.7	78
Show		21550+3843	KU 62		54	1.6	80
Show		21498+4033	TDT3183		55	0.8	81
Show		21436+3822	ES 2522		101	4.0	81
Show		21457+3800	DAM1461		190	1.7	82
Show		21434+3817	S 799	BD	254	34.0	82
Show		21421+3848	ALI 980		139	8.9	82
Show		21458+4029	ES 1693		34	7.4	83
Show		21523+4025	ES 261		165	5.1	84
Show		21434+3817	KUI 109	Aa,Ab	142	1.9	84
Show		21434+3817	S 799	AB	60	149.5	84
Show		21434+3817	S 799	AC	318	135.3	84
Show		21556+3849	A 1449		50	0.3	84
Show		21502+3750	ES 1996		337	2.3	86
Show		21450+3800	LDS1054		8	127.0	86
Show		21432+3815	DAM 232		299	8.3	87
Show		21413+3928	BU 274		180	3.7	87
Show		21547+3814	TOK 638	AB	65	999.9	93
Show		21431+4021	TDT3121		157	1.7	94

WDS 21487+3914 : COMPONENTS

	A
B	pa=20.3° sep=0.92"

21487+3914 A

Componente originario normalizzato	AB		Coord arcsec 2000	214841.86+391341.3		Mag	11.26		PmRA	11.00
PmDE	-9.0		Tycho2	3184-00121-1

Tycho2

Tycho2	3184-00121-1	Pflag	P	RAmdeg	327.17439908	DEmdeg	39.22815036
PmRA	10.7	PmDE	-8.6	E RAmdeg	45	E DEmdeg	39
E pmRA	2.0	E pmDE	1.8	EpRAm	1984.91	EpDEm	1985.28
Num	6	Q RAmdeg	2.2	Q DEmdeg	1.9	Q pmRA	2.2
Q pmDE	1.9	BTmag	11.903	E BTmag	0.073	VTmag	11.259
E VTmag	0.068	Prox	9	TYC	T	HIP
CCDM		RAdeg	327.17429972	DEdeg	39.22805361	EpRA 1990	1.59
EpDE 1990	1.70	E RAdeg	44.3	E DEdeg	39.2	Posflg	D
Corr	0.2

21487+3914 B

Componente originario normalizzato	AB		Coord arcsec 2000	214841.89+391342.2		Mag	11.33		PmRA	11.00
PmDE	-9.0		Tycho2	3184-00121-2		Calc delta mag	0.07		Calc coord	yes

Tycho2

Tycho2	3184-00121-2	Pflag	P	RAmdeg	327.17439908	DEmdeg	39.22815036
PmRA	10.7	PmDE	-8.6	E RAmdeg	45	E DEmdeg	39
E pmRA	2.0	E pmDE	1.8	EpRAm	1984.91	EpDEm	1985.28
Num	6	Q RAmdeg	2.2	Q DEmdeg	1.9	Q pmRA	2.2
Q pmDE	1.9	BTmag	11.885	E BTmag	0.071	VTmag	11.326
E VTmag	0.071	Prox	9	TYC	T	HIP
CCDM		RAdeg	327.17442861	DEdeg	39.22828000	EpRA 1990	1.58
EpDE 1990	1.70	E RAdeg	46.8	E DEdeg	41.3	Posflg	D
Corr	0.2