20532+4423 LSC 94 (57 Cyg)

20^h 53^m 14.75^s +44° 23' 14.1" P.A. 183.00 sep 0.3 mag 4.80,8.80 Sp B5V dist. 161.03 pc (525.28 l.y.)

Coord 2000	20532+4423	Discov num	LSC 94	Comp		Coord arcsec 2000	20 53 14.75 +44 23 14.1
Date first	2014	Date last	2018	Obs	4
Pa first	191	Pa last	182.5	P.A. Now (θ)	182.5°
Sep first	0.2	Sep last	0.25	Sep. Now (ρ)	0.25"
Mag pri	4.80	Mag sec	8.80	delta mag (ΔM)	4	Spectral class	B5V (blue-white)
Pri motion ra	+012	Sec motion ra
Pri motion dec	-002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	57 Cyg	Var name	NSV13388 Cyg	Constellation	Cygnus	SAO	50180
HIP	103089	Tycho2	3179-01354-1	Gaia DR2	2162953368584828032	HD	199081
HR	8001	GC	29150	BD	BD+43 3755	Flamsteed	57 Cygni
Flamsteed name	57 Cyg	Distance	161.03	Distance ly	525.28

WDS 20532+4423 LSC 94 (57 Cyg) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LSC		Lowell-Southern Connecticut	...................
LSC		Collaboration of Otto Franz (Lowell) and Elliott Horch (Southern Connecticut)
LSC		See 20599+4016LSC 1Aa1,2 first resolved in Hor2012b

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20532+4423	LSC 94		2014	2	190	0.2	4.80	8.80	B5V		205314.75+442314.1
20532+4423	LSC 94		2018	4	183	0.3	4.80	8.80	B5V		205314.75+442314.1

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WDS 20532+4423 LSC 94 (57 Cyg) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20532+4423 LSC 94 (57 Cyg) : MEASURES

No records found.

WDS 20532+4423 (57 Cyg) : VIRTUAL EYEPIECE

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WDS 20532+4423 (57 Cyg) : ALADIN DSS IMAGE @ 20^h 53^m 14.75^s +44° 23' 14.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20532+4423 LSC 94 (57 Cyg) : 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		20532+4423	LSC 94		183	0.3	1
Show		20525+4430	BRT2279		5	4.5	11
Show		20521+4438	HER 18		85	60.7	20
Show		20538+4443	LDS5914		124	6.2	21
Show		20512+4415	CHN 31		47	6.7	23
Show		20509+4421	CHN 30	AB	92	2.7	26
Show		20509+4421	CHN 30	Aa,Ab	108	0.6	26
Show		20506+4421	CHN 29		52	5.3	29
Show		20549+4451	LDS2466		287	4.8	33
Show		20558+4448	ES 674		94	5.6	37
Show		20556+4453	COU2648		21	1.3	39
Show		20563+4447	ES 675	BC	108	3.7	39
Show		20501+4404	STT 595	AB	48	55.4	40
Show		20501+4404	STG 9	AC	83	102.7	40
Show		20501+4404	FYM 92	AD	242	51.8	40
Show		20501+4404	FYM 92	AE	190	35.2	40
Show		20501+4404	FYM 92	AF	80	46.9	40
Show		20567+4439	BRT2283		339	6.0	40
Show		20520+4346	STT 416	AB	117	9.6	41
Show		20520+4346	SKF2740	BC	192	73.4	41
Show		20563+4447	ES 675	AB	272	97.4	41
Show		20565+4447	TOB 203		329	15.8	43
Show		20511+4459	LDS2459		228	43.7	44
Show		20565+4452	LDS2470		306	13.5	45
Show		20542+4508	LDS5915		43	18.0	46
Show		20578+4425	LDS2474		235	14.5	48
Show		20541+4507	STT 422		332	2.6	48
Show		20574+4443	LDS2473		119	15.7	48
Show		20566+4455	TRN 30		30	3.8	49
Show		20559+4345	COU2543		222	1.6	49
Show		20494+4452	TDS1103		200	0.8	50
Show		20574+4451	LDS2472		254	1.7	52
Show		20504+4518	SMA 121		32	11.6	53
Show		20579+4442	COU2649		143	0.6	53
Show		20494+4458	GRV 384		222	22.1	54
Show		20583+4428	RBR 50		76	0.4	55
Show		20535+4328	LDS2465		41	12.1	56
Show		20514+4519	ARG 40		250	9.2	60
Show		20535+4523	HDS2975		191	0.2	60
Show		20565+4333	BRT1139		175	3.6	61
Show		20568+4335	BRT1957		177	1.1	62
Show		20596+4432	LDS2477		285	8.0	64
Show		20553+4322	LDS2468		107	60.0	65
Show		20472+4427	COU2424		255	0.5	65
Show		20500+4521	ES 2702		348	8.6	68
Show		20517+4317	LDS2461		217	32.6	69
Show		20504+4525	LDS5912		252	17.4	69
Show		20524+4314	LDS2462		265	39.5	71
Show		20476+4347	CHN 28		57	5.0	71
Show		20473+4345	COU2425		58	0.2	75
Show		20519+4309	GRV 389		190	61.9	75

WDS 20532+4423 : COMPONENTS

	A
B	pa=181.8° sep=0.25"

20532+4423 A

Componente originario normalizzato	AB	Name	57 Cyg	Coord arcsec 2000	205314.75+442314.1	Mag	4.8
Spectral class	B5V (blue-white)	PmRA	12.00	PmDE	-2.0	SAO	50180
HIP	103089	Tycho2	3179-01354-1	HD	199081	HR	8001
GC	29150	BD	BD+43 3755	Flamsteed	57 Cygni	Flamsteed name	57 Cyg

Tycho2

Tycho2	3179-01354-1	Pflag		RAmdeg	313.31148109	DEmdeg	44.38726677
PmRA	12.0	PmDE	0.2	E RAmdeg	3	E DEmdeg	3
E pmRA	0.7	E pmDE	0.8	EpRAm	1991.55	EpDEm	1991.53
Num	17	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.0
Q pmDE	1.4	BTmag	4.601	E BTmag	0.014	VTmag	4.749
E VTmag	0.009	Prox	999	TYC	T	HIP	103089
CCDM		RAdeg	313.31144250	DEdeg	44.38726639	EpRA 1990	1.76
EpDE 1990	1.72	E RAdeg	3.3	E DEdeg	3.4	Posflg
Corr	0.1

SAO

SAO	50180	DelFlag		RA1950		PmRA1950	0.0006
DE1950		PmDE1950	0.004	Vmag	4.7	SpType	B3
Double code		Source	70	CatNum	29150	DM	BD+43 3755
DMcomp		BDsup		HD	199081	M HD	0
GC	29150	RA1950rad	5.4605919	DE1950rad	0.77138589	PmRA2000	0.0009
PmDE2000	0.001

Hipparcos

Catalog	H	HIP	103089	Proxy		RAhms	20 53 14.75
DEdms	+44 23 14.2	Vmag	4.8	VarFlag	1	R Vmag	H
RAdeg	313.311	DEdeg	44.3873	AstroRef		Plx	6.51
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	199081	BD	BD+43 3755
CD		CP		Dm number	+43 3755	VIred	-0.16
SpType	B5V	R SpType		Coord arcsec 2000	205314.75+442314.2

Hipparcos 2

HIP	103089	Sn	5	So	0	Nc	1
RArad	5.468316189	DErad	0.7747039447	Plx	6.21	PmRA	11.94
PmDE	-2.08	E RArad	0.18	E DErad	0.16	E Plx	0.22
E pmRA	0.23	E pmDE	0.19	Hpmag	4.7404	E Hpmag	0.0011
SHp	0.008	VA	0	BV	-0.134	E BV	0.006
VI	-0.16

20532+4423 B

Componente originario normalizzato	AB		Coord arcsec 2000	205314.75+442313.9		Mag	8.8		Calc delta mag	4
Calc coord	yes