21257+3824 TDT 2955

21^h 25^m 39.50^s +38° 24' 29.7" P.A. 18.00 sep 0.5 mag 11.60,11.71

Coord 2000	21257+3824	Discov num	TDT2955	Comp		Coord arcsec 2000	21 25 39.50 +38 24 29.7
Date first	1991	Date last	1991	Obs	1
Pa first	18	Pa last	18.3	P.A. Now (θ)	18.3°
Sep first	0.5	Sep last	0.51	Sep. Now (ρ)	0.51"
Mag pri	11.60	Mag sec	11.71	delta mag (ΔM)	0.11	Spectral class
Pri motion ra	-003	Sec motion ra	-003
Pri motion dec	-010	Sec motion dec	-010
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3182-01445-1

Gaia DR2

1964442454070446080

WDS 21257+3824 TDT 2955 : 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
21257+3824	TDT2955		1991	1	18	0.5	11.60	11.71			212539.50+382429.7

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WDS 21257+3824 TDT 2955 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21257+3824 TDT 2955 : MEASURES

No records found.

WDS 21257+3824 : VIRTUAL EYEPIECE

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WDS 21257+3824 : ALADIN DSS IMAGE @ 21^h 25^m 39.50^s +38° 24' 29.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21257+3824 TDT 2955 : 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		21257+3824	TDT2955		18	0.5
Show		21250+3814	TDT2950		200	1.6	13
Show		21239+3837	GRV 461		197	65.7	24
Show		21278+3835	KU 61	AB	271	3.9	28
Show		21278+3835	KU 61	AC	206	14.3	28
Show		21278+3835	KU 61	AD	235	25.7	28
Show		21231+3821	ALI 689		107	14.6	30
Show		21233+3810	ALI 690		65	8.8	31
Show		21233+3801	ES 2519		224	6.5	36
Show		21272+3752	ES 2520		238	6.2	38
Show		21247+3903	ALI 969		63	8.2	40
Show		21226+3846	HDS3044		141	0.1	43
Show		21294+3833	TDT2992		109	2.1	45
Show		21264+3909	A 1442		274	1.2	46
Show		21228+3754	WIS 349		176	44.9	46
Show		21222+3848	TDT2929		29	0.6	47
Show		21287+3755	KPP1064		246	8.5	47
Show		21241+3741	SEI1458		312	7.9	48
Show		21263+3911	ALI 970		63	8.3	48
Show		21243+3740	WSI 7		44	0.1	48
Show		21284+3745	TDT2983		111	0.5	52
Show		21268+3731	COU1821	Da,Db	96	0.7	54
Show		21202+3818	PTT 18		124	6.6	55
Show		21226+3744	COU1820		319	1.4	55
Show		21268+3731	SEI1516	AB	335	3.9	56
Show		21268+3731	HEI9004	AC	275	25.5	56
Show		21268+3731	HEI9004	AD	335	109.8	56
Show		21304+3859	KU 131		12	36.7	65
Show		21203+3839	SEI1509		29	24.5	65
Show		21202+3835	SEI1508		271	19.6	66
Show		21221+3734	ES 2517		115	5.3	66
Show		21238+3721	STFA 55	AB	304	364.1	68
Show		21238+3721	STFA 55	AC	154	178.3	68
Show		21238+3721	STFA 55	AF	201	22.8	68
Show		21199+3815	ES 2062		327	4.0	69
Show		21238+3721	STFA 55	CD	183	12.8	70
Show		21238+3721	STFA 55	CE	320	17.7	70
Show		21268+3935	TDT2974		261	0.4	72
Show		21295+3728	SEI1519		181	13.8	73
Show		21264+3712	SEI1514		184	12.0	73
Show		21200+3854	SEI1505		341	10.8	74
Show		21278+3715	SEI1518		143	15.5	74
Show		21249+3711	TDS1126		314	1.9	75
Show		21194+3814	HO 286	AB	237	0.2	75
Show		21194+3814	CIA 5	Aa,Ab	230	0.0	75
Show		21194+3814	KRV 42	AC	256	65.7	75
Show		21317+3850	TDT3009		122	0.5	76
Show		21321+3834	ES 2064		244	11.5	76
Show		21252+3708	SEI1513		90	14.5	77
Show		21322+3835	TDT3017		267	0.8	78
Show		21323+3811	ES 2063		227	2.7	79

WDS 21257+3824 : COMPONENTS

	A
B	pa=14.5° sep=0.50"

21257+3824 A

Componente originario normalizzato	AB		Coord arcsec 2000	212539.50+382429.7		Mag	11.6		PmRA	-3.00
PmDE	-10.0		Tycho2	3182-01445-1

Tycho2

Tycho2	3182-01445-1	Pflag		RAmdeg	321.41461647	DEmdeg	38.40832519
PmRA	-3.1	PmDE	-9.8	E RAmdeg	32	E DEmdeg	30
E pmRA	1.6	E pmDE	1.5	EpRAm	1986.36	EpDEm	1986.59
Num	6	Q RAmdeg	1.3	Q DEmdeg	0.3	Q pmRA	1.3
Q pmDE	0.3	BTmag	11.655	E BTmag	0.055	VTmag	10.941
E VTmag	0.048	Prox	999	TYC	T	HIP
CCDM		RAdeg	321.41462639	DEdeg	38.40834778	EpRA 1990	1.64
EpDE 1990	1.69	E RAdeg	33.0	E DEdeg	31.3	Posflg
Corr	0.1

21257+3824 B

Componente originario normalizzato	AB		Coord arcsec 2000	212539.51+382430.2		Mag	11.71		PmRA	-3.00
PmDE	-10.0		Calc delta mag	0.11		Calc coord	yes