20519+3002 TDT 2587

20^h 51^m 53.01^s +30° 02' 22.6" P.A. 349.00 sep 1.0 mag 11.16,12.11

Coord 2000	20519+3002	Discov num	TDT2587	Comp		Coord arcsec 2000	20 51 53.01 +30 02 22.6
Date first	1991	Date last	1991	Obs	1
Pa first	349	Pa last	349.2	P.A. Now (θ)	349.2°
Sep first	1.0	Sep last	0.97	Sep. Now (ρ)	0.97"
Mag pri	11.16	Mag sec	12.11	delta mag (ΔM)	0.95	Spectral class
Pri motion ra	+011	Sec motion ra	+011
Pri motion dec	-002	Sec motion dec	-002
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2688-02779-1

Gaia DR2

1858638408642004608

WDS 20519+3002 TDT 2587 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20519+3002	TDT2587		1991	1	349	1.0	11.16	12.11			205153.01+300222.6

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WDS 20519+3002 TDT 2587 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20519+3002 TDT 2587 : MEASURES

No records found.

WDS 20519+3002 : VIRTUAL EYEPIECE

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WDS 20519+3002 : ALADIN DSS IMAGE @ 20^h 51^m 53.01^s +30° 02' 22.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20519+3002 TDT 2587 : 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		20519+3002	TDT2587		349	1.0
Show		20506+3024	STT 415		234	3.7	28
Show		20493+2957	TDS1102		19	1.1	34
Show		20538+3029	J 3117		40	5.5	34
Show		20523+3038	LDS6417		295	228.9	36
Show		20525+3040	TDT2594		160	0.8	39
Show		20529+2920	BOW9002	AB	354	9.9	45
Show		20529+2920	DAM 295	AC	37	22.2	45
Show		20501+2923	BAG 28	AB	332	1.0	46
Show		20501+2923	HLA 29	AC	336	6.9	46
Show		20489+2939	TDT2559		176	0.5	46
Show		20487+2943	TDT2556		280	0.8	46
Show		20522+2917	KU 129	AB	103	15.1	46
Show		20522+2917	KU 129	AC	39	46.1	46
Show		20483+3009	TDT2551		41	3.2	47
Show		20490+2932	BRT 51	BC	128	4.6	49
Show		20490+2932	BRT 51	AB	355	6.9	49
Show		20490+2932	BRT 51	AC	37	5.1	49
Show		20555+3028	TDT2633		116	1.4	54
Show		20506+3055	BU 67	AB	311	1.5	55
Show		20506+3055	GII 293	Aa,Ab	137	0.1	55
Show		20547+3046	LDS2934		178	10.8	56
Show		20531+2909	STT 417	AB	27	0.9	56
Show		20531+2909	STT 417	AB,C	108	30.8	56
Show		20554+3033	GRV 396		349	67.4	56
Show		20563+2954	J 1779		246	2.5	58
Show		20475+3016	COU1176		45	0.4	59
Show		20535+3057	STTA212		155	65.7	59
Show		20492+2911	TDT2561		5	3.5	62
Show		20515+3104	NSN 737	AB	134	1.4	63
Show		20515+3104	RAO 676	AC	22	4.5	63
Show		20484+3049	TDT2552		124	2.3	65
Show		20531+2856	MLB 535		2	7.1	67
Show		20538+3104	CLL 16		184	32.0	67
Show		20567+3027	TDT2650		310	0.6	68
Show		20554+3059	J 2329		11	6.5	69
Show		20539+2856	GRV 392		3	33.8	72
Show		20576+3003	J 2333	AB	328	7.7	72
Show		20576+3003	DAM 669	AC	244	4.4	72
Show		20534+3113	TDT2609		11	0.5	73
Show		20578+3002	J 2334		16	5.1	75
Show		20478+3057	ES 368		359	3.1	76
Show		20567+3047	LDS2935		200	10.1	76
Show		20492+3111	LDS2930		273	22.2	77
Show		20579+3002	TDT2662		100	1.5	78
Show		20493+3113	TDS1101		231	1.2	79
Show		20572+2921	J 794		134	3.2	81
Show		20565+2910	MLB 485	AB	154	4.5	81
Show		20579+2940	MLB 573	AB	57	5.7	82
Show		20579+2940	MLB 573	AC	232	23.7	82
Show		20523+2839	BRT 52		87	8.8	84

WDS 20519+3002 : COMPONENTS

	A
B	pa=350.6° sep=0.97"

20519+3002 A

Componente originario normalizzato	AB		Coord arcsec 2000	205153.01+300222.6		Mag	11.16		PmRA	11.00
PmDE	-2.0		Tycho2	2688-02779-1

Tycho2

Tycho2	2688-02779-1	Pflag		RAmdeg	312.97083697	DEmdeg	30.03963325
PmRA	11.4	PmDE	-2.3	E RAmdeg	29	E DEmdeg	25
E pmRA	2.2	E pmDE	2.1	EpRAm	1987.53	EpDEm	1988.03
Num	4	Q RAmdeg	1.6	Q DEmdeg	0.8	Q pmRA	1.5
Q pmDE	0.8	BTmag	11.507	E BTmag	0.054	VTmag	10.893
E VTmag	0.050	Prox	999	TYC	T	HIP
CCDM		RAdeg	312.97081278	DEdeg	30.03963861	EpRA 1990	1.53
EpDE 1990	1.74	E RAdeg	35.2	E DEdeg	30.3	Posflg
Corr	0.0

20519+3002 B

Componente originario normalizzato	AB		Coord arcsec 2000	205153.00+300223.6		Mag	12.11		PmRA	11.00
PmDE	-2.0		Calc delta mag	0.95		Calc coord	yes