20521+3254 TDT 2591

20^h 52^m 08.67^s +32° 54' 18.2" P.A. 5.00 sep 0.5 mag 11.44,11.61

Coord 2000	20521+3254	Discov num	TDT2591	Comp		Coord arcsec 2000	20 52 08.67 +32 54 18.2
Date first	1991	Date last	1991	Obs	1
Pa first	5	Pa last	4.8	P.A. Now (θ)	4.8°
Sep first	0.5	Sep last	0.54	Sep. Now (ρ)	0.54"
Mag pri	11.44	Mag sec	11.61	delta mag (ΔM)	0.17	Spectral class
Pri motion ra	-009	Sec motion ra	-009
Pri motion dec	-018	Sec motion dec	-018
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2692-02486-1

Gaia DR2

1865958544730695168

WDS 20521+3254 TDT 2591 : 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
20521+3254	TDT2591		1991	1	5	0.5	11.44	11.61			205208.67+325418.2

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

WDS 20521+3254 TDT 2591 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20521+3254 TDT 2591 : MEASURES

No records found.

WDS 20521+3254 : 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 20521+3254 : ALADIN DSS IMAGE @ 20^h 52^m 08.67^s +32° 54' 18.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20521+3254 TDT 2591 : 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		20521+3254	TDT2591		5	0.5
Show		20525+3246	GYL 39		83	14.9	10
Show		20532+3301	ES 2356		250	5.0	15
Show		20520+3320	TDT2590		116	0.5	26
Show		20528+3320	LDS2932		107	9.1	26
Show		20533+3319	LDS2933		146	9.0	29
Show		20519+3327	GYL 26	AB	353	28.6	33
Show		20519+3327	WSI 47	AC	337	11.0	33
Show		20539+3320	TDT2612		202	0.5	34
Show		20531+3221	ES 2379		115	7.0	36
Show		20548+3242	STT 418		283	0.9	36
Show		20534+3220	ES 2380		333	5.5	38
Show		20539+3326	BLL 52		59	186.6	39
Show		20493+3314	ES 31	AB	238	13.8	42
Show		20493+3314	ES 31	AC	143	18.7	42
Show		20540+3220	TDT2615		281	0.4	42
Show		20491+3230	GYL 70		188	61.2	46
Show		20503+3337	ES 2378		193	6.2	49
Show		20483+3247	TDT2550		132	0.9	49
Show		20493+3217	LDS2931	AB	246	34.4	53
Show		20493+3217	HLA 28	AC	125	5.3	53
Show		20563+3247	GYL 27		184	24.2	53
Show		20477+3258	COU1634		61	0.4	56
Show		20532+3349	TDT2605		301	0.8	57
Show		20553+3214	GYL 42		26	15.1	58
Show		20487+3334	ES 9006		93	25.3	59
Show		20482+3326	ES 2377		220	4.3	60
Show		20535+3156	GYL 41		203	34.2	62
Show		20529+3154	GYL 40		22	23.0	62
Show		20559+3206	STT 421	AB	194	34.8	64
Show		20559+3206	HU 1655	AC	73	30.6	64
Show		20559+3206	FYM 140	AD	162	29.5	64
Show		20562+3335	ES 2312		11	2.7	65
Show		20469+3252	ARG 93		87	10.9	66
Show		20522+3401	TDT2593		357	2.3	67
Show		20529+3149	A 1213		178	3.3	67
Show		20571+3230	TDT2654		205	0.5	68
Show		20503+3151	TDT2570		262	3.2	68
Show		20576+3301	TDT2660		123	0.5	69
Show		20470+3318	TDT2535		86	0.7	69
Show		20487+3159	ES 369		316	7.1	71
Show		20477+3343	NSN 736		354	45.5	75
Show		20504+3406	GRV 387		254	26.4	76
Show		20491+3148	ES 370		44	7.7	77
Show		20578+3321	TDT2661		208	0.6	77
Show		20562+3158	ES 372		146	3.5	77
Show		20573+3215	KPP1292		28	9.9	77
Show		20471+3210	ARY 61		237	99.4	78
Show		20460+3308	GYL 69		357	26.7	79
Show		20554+3147	TDT2630		86	1.9	79
Show		20530+3136	TDT2602		64	0.6	79

WDS 20521+3254 : COMPONENTS

	A
B	pa=4.0° sep=0.54"

20521+3254 A

Componente originario normalizzato	AB		Coord arcsec 2000	205208.67+325418.2		Mag	11.44		PmRA	-9.00
PmDE	-18.0		Tycho2	2692-02486-1

Tycho2

Tycho2	2692-02486-1	Pflag		RAmdeg	313.03613705	DEmdeg	32.90511121
PmRA	-9.2	PmDE	-17.9	E RAmdeg	27	E DEmdeg	28
E pmRA	1.8	E pmDE	1.7	EpRAm	1985.88	EpDEm	1986.83
Num	6	Q RAmdeg	1.4	Q DEmdeg	0.7	Q pmRA	1.4
Q pmDE	0.8	BTmag	11.991	E BTmag	0.076	VTmag	10.839
E VTmag	0.044	Prox	999	TYC	T	HIP
CCDM		RAdeg	313.03617167	DEdeg	32.90515361	EpRA 1990	1.65
EpDE 1990	1.69	E RAdeg	34.8	E DEdeg	31.7	Posflg
Corr	0.2

20521+3254 B

Componente originario normalizzato	AB		Coord arcsec 2000	205208.67+325418.7		Mag	11.61		PmRA	-9.00
PmDE	-18.0		Calc delta mag	0.17		Calc coord	yes