20598+3126 GYL 44

20^h 59^m 48.99^s +31° 26' 26.5" P.A. 2.00 sep 51.2 mag 10.74,11.00 Sp A5

Coord 2000	20598+3126	Discov num	GYL 44	Comp		Coord arcsec 2000	20 59 48.99 +31 26 26.5
Date first	1893	Date last	2015	Obs	16
Pa first	2	Pa last	1.9	P.A. Now (θ)	1.9°
Sep first	50.0	Sep last	51.222	Sep. Now (ρ)	51.222"
Mag pri	10.74	Mag sec	11.00	delta mag (ΔM)	0.26	Spectral class	A5 (white)
Pri motion ra	-006	Sec motion ra	+000
Pri motion dec	-004	Sec motion dec	+003
Notes	N (See Notes)

rPM=1.279

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2688-01249-1

Gaia DR2

1864913562013458432

BD+30 4272

WDS 20598+3126 GYL 44 : NOTES

discov_num	notes	refcode
GYL 44	B is BD+30@4272.

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
20598+3126	GYL 44		1999	10	2	51.1	10.74	11.00	A5	N D	205948.99+312626.5
20598+3126	GYL 44		2002	11	2	51.1	10.74	11.00	A5	N D	205948.99+312626.5
20598+3126	GYL 44		2010	12	2	51.2	10.74	11.00	A5	N	205948.99+312626.5
20598+3126	GYL 44		2015	13	2	51.2	10.74	11.00	A5	N	205948.99+312626.5

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WDS 20598+3126 GYL 44 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20598+3126 GYL 44 : MEASURES

No records found.

WDS 20598+3126 : VIRTUAL EYEPIECE

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WDS 20598+3126 : ALADIN DSS IMAGE @ 20^h 59^m 48.99^s +31° 26' 26.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20598+3126 GYL 44 : 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		20598+3126	GYL 44		2	51.2
Show		21003+3134	KPP1379		160	10.3	10
Show		21010+3145	TDT2695		172	0.8	25
Show		20593+3155	COU1178		16	1.2	30
Show		21010+3156	STJ 61		136	1.5	33
Show		21020+3107	TDT2706		204	0.6	35
Show		20598+3048	TDT2681		215	0.5	39
Show		21025+3146	ES 374	AB	137	26.8	43
Show		21025+3146	CRB 15	BD	241	5.6	43
Show		21025+3146	ES 374	BC	203	4.5	43
Show		20578+3202	ES 2438		311	6.8	44
Show		20593+3043	TDT2677		133	0.8	45
Show		20588+3209	TDT2671		302	0.5	45
Show		21020+3052	LDS2937		140	55.9	45
Show		21037+3130	TDT2721		43	2.1	50
Show		20596+3216	GYL 43		188	30.1	50
Show		20577+3211	ES 2381		107	4.1	53
Show		20590+3218	COU1636		9	0.8	53
Show		21037+3104	STT 427		153	4.1	55
Show		20562+3158	ES 372		146	3.5	56
Show		20567+3047	LDS2935		200	10.1	57
Show		21026+3041	COU1182		180	1.0	58
Show		20573+3215	KPP1292		28	9.9	58
Show		21009+3224	TDT2694		148	10.2	60
Show		21029+3211	GRV 405		253	14.0	61
Show		21009+3225	CVE 27	AB	240	3.6	61
Show		20554+3147	TDT2630		86	1.9	61
Show		21046+3116	J 2336		40	9.1	62
Show		21007+3227	CVE 26		164	3.2	62
Show		21031+3039	GRV 407		221	59.2	64
Show		21050+3109	J 3124		208	4.5	65
Show		21004+3022	COU1179		359	0.9	66
Show		21047+3109	DAM 226		16	4.3	66
Show		20592+3231	TDT2675		207	2.0	66
Show		20595+3019	J 847		129	2.2	69
Show		20559+3206	STT 421	AB	194	34.8	69
Show		20559+3206	HU 1655	AC	73	30.6	69
Show		20559+3206	FYM 140	AD	162	29.5	69
Show		21052+3127	GRV 412		265	42.4	70
Show		20554+3059	J 2329		11	6.5	70
Show		20567+3027	TDT2650		310	0.6	72
Show		20571+3230	TDT2654		205	0.5	72
Show		20589+3015	ES 373		136	2.3	73
Show		20540+3124	ES 371		134	3.5	74
Show		20553+3214	GYL 42		26	15.1	75
Show		21034+3025	SMA 123		145	7.2	77
Show		20554+3033	GRV 396		349	67.4	78
Show		20547+3046	LDS2934		178	10.8	79
Show		20538+3104	CLL 16		184	32.0	80
Show		20555+3028	TDT2633		116	1.4	81
Show		20536+3138	HDS2976		248	0.3	81

WDS 20598+3126 : COMPONENTS

	A
B	pa=1.6° sep=51.21"

20598+3126 A

Componente originario normalizzato	AB		Coord arcsec 2000	205948.99+312626.5		Mag	10.74		Spectral class	A5 (white)
PmRA	-6.00		PmDE	-4.0		Tycho2	2688-01249-1		DM	BD+30 4271

Tycho2

Tycho2	2688-01249-1	Pflag		RAmdeg	314.95413270	DEmdeg	31.44069631
PmRA	-6.7	PmDE	-6.3	E RAmdeg	21	E DEmdeg	19
E pmRA	1.1	E pmDE	1.1	EpRAm	1985.28	EpDEm	1986.07
Num	11	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.8
Q pmDE	1.0	BTmag	10.814	E BTmag	0.034	VTmag	10.738
E VTmag	0.045	Prox	510	TYC	T	HIP
CCDM		RAdeg	314.95415472	DEdeg	31.44070917	EpRA 1990	1.58
EpDE 1990	1.74	E RAdeg	24.4	E DEdeg	21.5	Posflg
Corr	0.2

20598+3126 B

Componente originario normalizzato	AB	Coord arcsec 2000	205949.10+312717.7	Mag	11	PmRA	0.00
PmDE	3.0	Tycho2	2688-01103-1	DM	BD+30 4272	Calc delta mag	0.26
Calc coord	yes

Tycho2

Tycho2	2688-01103-1	Pflag		RAmdeg	314.95467651	DEmdeg	31.45489555
PmRA	-1.7	PmDE	2.6	E RAmdeg	26	E DEmdeg	24
E pmRA	1.3	E pmDE	1.2	EpRAm	1983.56	EpDEm	1984.83
Num	9	Q RAmdeg	1.8	Q DEmdeg	1.6	Q pmRA	1.8
Q pmDE	1.7	BTmag	11.340	E BTmag	0.047	VTmag	11.001
E VTmag	0.054	Prox	510	TYC	T	HIP
CCDM		RAdeg	314.95468778	DEdeg	31.45487861	EpRA 1990	1.56
EpDE 1990	1.72	E RAdeg	32.5	E DEdeg	29.0	Posflg
Corr	0.2