20176+3729 SLE 987

20^h 17^m 38.10^s +37° 29' 14.0" P.A. 208.00 sep 11.1 mag 10.90,11.70

Coord 2000	20176+3729	Discov num	SLE 987	Comp		Coord arcsec 2000	20 17 38.10 +37 29 14.0
Date first	1929	Date last	2022	Obs	11
Pa first	215	Pa last	207.9	P.A. Now (θ)	207.9°
Sep first	12.4	Sep last	11.09	Sep. Now (ρ)	11.09"
Mag pri	10.90	Mag sec	11.70	delta mag (ΔM)	0.8	Spectral class
Pri motion ra	-022	Sec motion ra	-006
Pri motion dec	-013	Sec motion dec	-004
Notes

rPM=0.718

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2684-01119-1

Gaia DR2

2060651336421200000

WDS 20176+3729 SLE 987 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sle1966	Mc j	Soulie, G.	1966JO.....49..359S
Sle1966	+Pa	J. Obs. 49, 359, 1966
Sle1983	Pa -	Soulie, G.	1983A&AS...54..281S
Sle1983		A&AS 54, 281, 1983
Sle1984	Pa -	Soulie, G.	1984A&AS...56..351S
Sle1984		A&AS 56, 351, 1984
Sle1985	Pa -	Soulie, G.	1985A&AS...61...17S
Sle1985		A&AS 61, 17, 1985
Sle1986a	Pa -	Soulie, G.	.
Sle1986a		Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b	Pa -	Soulie, G.	.
Sle1986b		Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003	C j	Soulie, G.	2003O&T....56...10S
Sle2003		Obs. et Travaux 56, 10, 2003
Sle2006	Pa -	Soulie, G.	2006O&T....62...26S
Sle2006		Obs. et Travaux 62, 26, 2006
Sle2006b	Pa j	Soulie, G.	2006O&T....63...15S
Sle2006b		Obs. et Travaux 63, 15, 2006
Sle2007	C j	Soulie, G.	2007O&T....65...34S
Sle2007		Obs. et Travaux 65, 34, 2007

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20176+3729	SLE 987		1998	3	209	11.5	10.90	11.70		D	201738.10+372914.0
20176+3729	SLE 987		2002	4	209	11.4	10.90	11.70		D	201738.10+372914.0
20176+3729	SLE 987		2010	5	209	10.8	10.90	11.70			201738.10+372914.0
20176+3729	SLE 987		2015	6	208	11.2	10.90	11.70			201738.10+372914.0
20176+3729	SLE 987		2022	11	208	11.1	10.90	11.70			201738.10+372914.0

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WDS 20176+3729 SLE 987 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20176+3729 SLE 987 : MEASURES

No records found.

WDS 20176+3729 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20176+3729 : ALADIN DSS IMAGE @ 20^h 17^m 38.10^s +37° 29' 14.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20176+3729 SLE 987 : 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		20176+3729	SLE 987		208	11.1
Show		20170+3725	HDS2891	Aa,Ab	55	0.9	9
Show		20170+3725	A 1423	AB	128	4.4	9
Show		20170+3725	CIA 9	Aa1,2	305	0.0	9
Show		20168+3731	ARY 25		293	147.1	10
Show		20177+3740	SLE 989		223	8.9	12
Show		20171+3738	SLE 986	AB	347	6.4	12
Show		20171+3738	SLE 986	AC	1	17.9	12
Show		20185+3735	TDT2155		125	0.6	12
Show		20189+3730	TDT2160		274	6.0	15
Show		20187+3720	SLE 995		143	8.8	16
Show		20165+3739	BU 442	UV	127	8.0	16
Show		20169+3743	SLE 985		186	14.1	17
Show		20165+3739	BU 442	CD	306	15.1	17
Show		20165+3739	BU 442	CU	109	12.7	17
Show		20165+3739	BU 442	CV	116	20.4	17
Show		20165+3739	BU 442	BC	49	16.9	17
Show		20165+3739	BU 442	BD	2	20.1	17
Show		20165+3739	ABH 135	BE	88	50.2	17
Show		20165+3739	ABH 135	BF	139	64.4	17
Show		20165+3739	ABH 135	BO	125	41.5	17
Show		20165+3739	BU 442	BP	269	16.6	17
Show		20165+3739	BU 442	BR	308	34.4	17
Show		20165+3739	BU 442	BS	124	3.7	17
Show		20165+3739	BU 442	BT	162	6.5	17
Show		20165+3739	BU 442	BU	74	26.0	17
Show		20165+3739	BU 442	BV	86	31.3	17
Show		20165+3739	BU 442	AB	103	18.3	17
Show		20165+3739	SLE 982	AG	10	88.5	17
Show		20165+3739	SLE 982	AH	19	111.6	17
Show		20165+3739	SLE 982	AI	43	63.2	17
Show		20165+3739	SLE 982	AJ	34	96.5	17
Show		20165+3739	SLE 982	AK	34	114.9	17
Show		20165+3739	SLE 982	AL	27	177.3	17
Show		20165+3739	SLE 982	AM	65	88.9	17
Show		20165+3739	SLE 982	AN	76	155.9	17
Show		20165+3739	BU 442	AQ	156	8.7	17
Show		20165+3739	SLV 8	AC	77	31.4	17
Show		20165+3739	BU 442	AP	155	4.7	17
Show		20165+3739	BU 442	AR	332	19.2	17
Show		20165+3739	ABH 135	AD	49	24.4	17
Show		20165+3739	SLE 982	AO	118	58.7	17
Show		20189+3723	BKO 823		201	6.4	17
Show		20179+3712	SEI1071		11	27.5	18
Show		20191+3730	SLE 999		168	10.7	18
Show		20187+3715	SLE 994		353	14.5	19
Show		20191+3720	TDT2163		289	3.7	20
Show		20161+3738	SLE 980		226	14.2	21
Show		20162+3745	TOB 183		256	14.7	24
Show		20193+3748	SLE1000		240	12.1	28
Show		20168+3755	SLE 984		175	8.2	28

WDS 20176+3729 : COMPONENTS

	A
B	pa=202.8° sep=10.63"

20176+3729 A

Componente originario normalizzato	AB		Coord arcsec 2000	201738.10+372914.0		Mag	10.9		PmRA	-22.00
PmDE	-13.0

20176+3729 B

Componente originario normalizzato	AB		Coord arcsec 2000	201737.75+372904.2		Mag	11.7		PmRA	-6.00
PmDE	-4.0		Tycho2	2684-01119-1		Calc delta mag	0.8		Calc coord	yes

Tycho2

Tycho2	2684-01119-1	Pflag		RAmdeg	304.40915763	DEmdeg	37.48753862
PmRA	-21.7	PmDE	-11.6	E RAmdeg	49	E DEmdeg	40
E pmRA	1.7	E pmDE	1.7	EpRAm	1981.06	EpDEm	1984.16
Num	5	Q RAmdeg	1.0	Q DEmdeg	0.3	Q pmRA	1.0
Q pmDE	0.3	BTmag	11.603	E BTmag	0.069	VTmag	11.329
E VTmag	0.085	Prox	881	TYC		HIP
CCDM		RAdeg	304.40922278	DEdeg	37.48756500	EpRA 1990	1.49
EpDE 1990	1.78	E RAdeg	52.1	E DEdeg	41.9	Posflg
Corr	0.1