21257+3241 GYL 55

21^h 25^m 42.45^s +32° 40' 40.3" P.A. 163.00 sep 5.8 mag 11.40,12.90

Coord 2000	21257+3241	Discov num	GYL 55	Comp		Coord arcsec 2000	21 25 42.45 +32 40 40.3
Date first	1893	Date last	2015	Obs	8
Pa first	172	Pa last	162.8	P.A. Now (θ)	162.8°
Sep first	6.5	Sep last	5.824	Sep. Now (ρ)	5.824"
Mag pri	11.40	Mag sec	12.90	delta mag (ΔM)	1.5	Spectral class
Pri motion ra	-015	Sec motion ra	-008
Pri motion dec	-010	Sec motion dec	+000
Notes

rPM=0.677

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2707-01654-1

Gaia DR2

1854106359135438080

WDS 21257+3241 GYL 55 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Gyl1958	Pa j	Goyal, A.N.	1958AJ.....63..147G
Gyl1958		AJ 63, 147, 1958
Gyl1962	Pa j	Goyal, A.N.	1962MNRAS.123..413G
Gyl1962		MNRAS 123, 413, 1962
Gyl1964	Pa j	Goyal, A.N.	1964MNRAS.127..215G
Gyl1964		MNRAS 127, 215, 1964
Gyl1966	Pa j	Goyal, A.N.	1966MNRAS.133...15G
Gyl1966		MNRAS 133, 15, 1966
Gyl1968	Pa j	Goyal, A.N.	1968AJ.....73..366G
Gyl1968		AJ 73, 366, 1968
Gyl1970	Pa j	Goyal, A.N.	1970MNRAS.150..235G
Gyl1970		MNRAS 150, 235, 1970

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21257+3241	GYL 55		1998	4	165	5.9	11.40	12.90		D	212542.45+324040.3
21257+3241	GYL 55		2002	5	164	5.9	11.40	12.90		D	212542.45+324040.3
21257+3241	GYL 55		2015	6	163	5.8	11.40	12.90			212542.45+324040.3

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WDS 21257+3241 GYL 55 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21257+3241 GYL 55 : MEASURES

No records found.

WDS 21257+3241 : VIRTUAL EYEPIECE

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WDS 21257+3241 : ALADIN DSS IMAGE @ 21^h 25^m 42.45^s +32° 40' 40.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21257+3241 GYL 55 : 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+3241	GYL 55		163	5.8
Show		21262+3249	GRV 467		338	60.2	12
Show		21265+3315	HJ 935	AB	16	12.9	37
Show		21265+3315	HJ 935	BC	52	1.7	37
Show		21286+3255	TDT2984		38	0.5	40
Show		21281+3214	SOZ 26		11	12.3	42
Show		21290+3224	ES 378	AB	203	9.5	45
Show		21290+3224	WAL 139	AC	251	41.6	45
Show		21275+3158	TDT2977		120	0.5	48
Show		21258+3329	GYL 56		3	16.3	49
Show		21267+3329	TDT2973		330	0.5	51
Show		21225+3311	KPP3369		47	1.8	51
Show		21230+3202	HO 157		26	3.6	52
Show		21216+3253	GYL 54		137	22.2	54
Show		21262+3339	TDT2964		258	0.4	59
Show		21226+3158	HJ 1637	AB	104	13.4	59
Show		21226+3158	DAL 15	AC	142	8.3	59
Show		21304+3250	ES 2318		78	3.7	61
Show		21218+3230	HLM 40		23	15.5	62
Show		21268+3337	ES 2382		257	7.7	63
Show		21208+3227	STT 437	AB	19	2.5	64
Show		21208+3227	STT 437	AC	144	79.6	64
Show		21210+3304	J 1229		305	2.2	65
Show		21229+3149	J 2344		227	6.7	65
Show		21207+3226	POP 201		203	7.1	66
Show		21231+3144	HDS3046	AB	329	4.8	66
Show		21231+3144	DAM 229	AC	22	14.2	66
Show		21203+3240	GRV 449		327	64.2	68
Show		21229+3142	GRV 458		123	43.4	69
Show		21214+3321	J 3136		179	8.1	70
Show		21252+3129	A 1220		160	1.6	73
Show		21237+3131	GRV 460		185	52.6	74
Show		21223+3139	ES 377	AB	291	48.7	76
Show		21223+3139	ES 377	BC	211	2.2	76
Show		21207+3327	BU 446	AB	258	3.2	78
Show		21207+3327	BU 446	AC	214	70.8	78
Show		21207+3327	FOX9035	AD	109	74.2	78
Show		21317+3302	GYL 63		306	15.7	80
Show		21242+3358	J 2346		229	4.1	81
Show		21282+3355	TDT2982		358	1.8	82
Show		21271+3402	ES 2262		74	1.3	83
Show		21197+3315	HO 155		38	2.0	84
Show		21194+3306	J 1228		281	3.7	84
Show		21291+3357	ES 2263		28	2.8	87
Show		21225+3123	KPP1063		321	8.4	88
Show		21234+3115	A 1218		15	4.1	91
Show		21267+3413	ES 2261		155	4.1	94
Show		21182+3227	GRV 444		250	36.1	95
Show		21318+3338	KUI 124		143	4.2	96
Show		21324+3156	KPP 835		347	7.1	97
Show		21198+3138	GRV 445		278	36.2	97

WDS 21257+3241 : COMPONENTS

	A
B	pa=165.4° sep=5.75"

21257+3241 A

Componente originario normalizzato	AB		Coord arcsec 2000	212542.45+324040.3		Mag	11.4		PmRA	-15.00
PmDE	-10.0		Tycho2	2707-01654-1

Tycho2

Tycho2	2707-01654-1	Pflag		RAmdeg	321.42690519	DEmdeg	32.67787429
PmRA	-14.4	PmDE	-13.4	E RAmdeg	44	E DEmdeg	50
E pmRA	2.3	E pmDE	2.3	EpRAm	1986.62	EpDEm	1984.98
Num	4	Q RAmdeg	1.1	Q DEmdeg	0.5	Q pmRA	1.1
Q pmDE	0.5	BTmag	11.987	E BTmag	0.088	VTmag	11.401
E VTmag	0.078	Prox	999	TYC		HIP
CCDM		RAdeg	321.42694444	DEdeg	32.67790639	EpRA 1990	1.53
EpDE 1990	1.42	E RAdeg	46.1	E DEdeg	52.0	Posflg
Corr	0.2

21257+3241 B

Componente originario normalizzato	AB		Coord arcsec 2000	212542.56+324034.7		Mag	12.9		PmRA	-8.00
PmDE	0.0		Calc delta mag	1.5		Calc coord	yes