20205+4127 LI 4

20^h 20^m 29.35^s +41° 21' 28.4" P.A. 333.00 sep 8.9 mag 14.40,16.80

Coord 2000	20205+4127	Discov num	LI 4	Comp		Coord arcsec 2000	20 20 29.35 +41 21 28.4
Date first	1992	Date last	2015	Obs	6
Pa first	330	Pa last	332.5	P.A. Now (θ)	332.5°
Sep first	9.1	Sep last	8.911	Sep. Now (ρ)	8.911"
Mag pri	14.40	Mag sec	16.80	delta mag (ΔM)	2.4	Spectral class
Pri motion ra	-001	Sec motion ra
Pri motion dec	-006	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2068392276220215808

WDS 20205+4127 LI 4 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Li_1994	Ci j	Li, W., Evans, N.J., Harvey, P.M., & Colome,C.	1994ApJ...433..199L
Li_1994	+T	ApJ 433, 199, 1994

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20205+4127	LI 4		1992	2	330	9.1	12.90	16.80		D	202029.26+412128.6
20205+4127	LI 4		1998	2	332	8.9	14.40	16.80		D	202029.35+412128.4
20205+4127	LI 4		2015	3	333	8.9	14.40	16.80			202029.35+412128.4

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WDS 20205+4127 LI 4 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20205+4127 LI 4 : MEASURES

No records found.

WDS 20205+4127 : VIRTUAL EYEPIECE

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WDS 20205+4127 : ALADIN DSS IMAGE @ 20^h 20^m 29.35^s +41° 21' 28.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20205+4127 LI 4 : 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		20205+4127	LI 4		333	8.9	1
Show		20205+4122	LI 5	AB	145	8.8	1
Show		20205+4122	FAB 15	AC	203	19.5	1
Show		20212+4128	A 287		132	1.5	10
Show		20215+4127	TDT2203		225	0.7	13
Show		20197+4108	STTA205		321	45.5	16
Show		20187+4113	COU2640		265	0.5	22
Show		20185+4123	TDT2154		311	0.5	23
Show		20186+4136	ES 1675		324	2.2	26
Show		20181+4122	ES 1674		125	4.9	28
Show		20197+4151	MMA 3		105	11.0	32
Show		20213+4155	TDT2201		359	0.6	35
Show		20171+4127	ARN 97		220	12.8	40
Show		20210+4041	TDT2199		122	0.8	42
Show		20232+4052	CIA 46		14	0.0	43
Show		20221+4042	ES 1676		285	2.4	43
Show		20231+4048	GRF 15		139	199.3	45
Show		20238+4146	COU2641		279	1.0	46
Show		20231+4047	J 787	AB	165	2.6	46
Show		20231+4047	J 787	AC	112	9.5	46
Show		20231+4047	J 787	AD	293	15.8	46
Show		20231+4047	J 787	CD	292	25.3	46
Show		20181+4044	CHR 96	Aa,Ab	151	0.1	47
Show		20181+4044	STF2666	AB	245	2.8	47
Show		20181+4044	STF2666	AC	207	34.0	47
Show		20181+4044	TAR 5	AD	181	49.6	47
Show		20181+4044	STF2666	CD	142	24.1	47
Show		20232+4046	ES 1677		270	7.4	47
Show		20207+4031	TDT2193		288	1.2	51
Show		20231+4037	TDT2228		242	0.4	54
Show		20184+4033	ARN 49		313	30.2	55
Show		20168+4158	ES 1568	AB	292	12.8	56
Show		20168+4158	ES 1568	BC	187	2.3	56
Show		20254+4129	COU2642		321	0.7	56
Show		20256+4132	COU2643		108	0.5	58
Show		20177+4030	HDS2897		273	0.3	60
Show		20151+4118	A 387	AB	151	5.1	61
Show		20151+4118	A 387	AC	222	21.6	61
Show		20204+4021	TDT2186		349	0.5	61
Show		20151+4118	A 387	CD	19	9.0	61
Show		20251+4042	TDT2253		239	2.4	66
Show		20256+4155	ARG 92	AB	309	41.7	67
Show		20264+4125	A 292		134	2.1	67
Show		20189+4227	HJ 1503		73	16.9	69
Show		20144+4112	TDT2112		64	0.6	69
Show	Sadr	20222+4015	BU 665	A,BC	197	147.1	69
Show		20143+4115	COU2639		244	0.4	70
Show		20176+4020	BRT2259		29	1.4	71
Show		20222+4015	BU 665	BC,D	131	41.0	71
Show		20222+4015	BU 665	BC	302	1.9	71
Show		20169+4022	BU 661	AB	69	12.3	73

WDS 20205+4127 : COMPONENTS

	A
B	pa=338.7° sep=8.49"

20205+4127 A

Componente originario normalizzato	AB		Coord arcsec 2000	202029.35+412128.4		Mag	14.4		PmRA	-1.00
PmDE	-6.0

20205+4127 B

Componente originario normalizzato	AB		Coord arcsec 2000	202029.08+412136.3		Mag	16.8		Calc delta mag	2.4
Calc coord	yes