20023+4547 LDS 6338 AB

20^h 02^m 17.18^s +45° 46' 59.1" P.A. 99.00 sep 11.9 mag 10.20,13.20 dist. 107.07 pc (349.26 l.y.)

Coord 2000	20023+4547	Discov num	LDS6338	Comp	AB	Coord arcsec 2000	20 02 17.18 +45 46 59.1
Date first	1960	Date last	2015	Obs	6
Pa first	169	Pa last	98.7	P.A. Now (θ)	98.7°
Sep first	6.0	Sep last	11.906	Sep. Now (ρ)	11.906"
Mag pri	10.20	Mag sec	13.20	delta mag (ΔM)	3	Spectral class
Pri motion ra	+141	Sec motion ra	+043
Pri motion dec	+131	Sec motion dec	+011
Notes	N V W R (See Notes, Proper motion indicates physical, , Red magnitudes)

rPM=0.805

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Spectr	K0		Constellation	Cygnus		HIP	98655		Tycho2	3558-01262-1
HD	190274		Distance	107.07		Distance ly	349.26

WDS 20023+4547 LDS 6338 AB : NOTES

discov_num	notes	refcode
LDS6338	NLTT 48621/48622	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	CHM	Chaname, J. & Gould, A.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20023+4547	LDS6338	AB	2015	6	99	11.9	10.20	13.20		NVWR	200217.18+454659.1

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WDS 20023+4547 LDS 6338 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20023+4547 LDS 6338 AB : MEASURES

No records found.

WDS 20023+4547 : VIRTUAL EYEPIECE

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

WDS 20023+4547 : ALADIN DSS IMAGE @ 20^h 02^m 17.18^s +45° 46' 59.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20023+4547 LDS 6338 AB : 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		20023+4547	LDS6338	AB	99	11.9	0
Show		20025+4547	KOI2096		15	3.4	3
Show		20030+4543	KOI4910		137	2.8	9
Show		20017+4553	KOI5661	AB	168	3.4	9
Show		20017+4553	KOI5661	AC	29	3.7	9
Show		20014+4544	KOI5655	AB	49	3.4	10
Show		20014+4544	KOI5655	AC	336	3.9	10
Show		20022+4602	KOI4226		269	2.5	16
Show		20016+4531	KOI7143		284	4.0	18
Show		20013+4530	KOI3425		222	4.5	21
Show		20009+4603	KOI4173		57	3.4	22
Show		20010+4530	KOI5619		313	3.2	22
Show		20008+4531	KOI4616		298	3.8	23
Show		19595+4548	HJ 1463		311	8.8	28
Show		19596+4556	RAP 18		238	3.3	30
Show		19597+4536	KOI7142		166	3.4	30
Show		20029+4518	KOI3751		86	2.6	30
Show		20003+4525	KOI5618		50	1.4	31
Show		19593+4546	HDS2846	AB	236	0.8	31
Show		19593+4546	GII 287	Aa,Ab	119	0.1	31
Show		19593+4543	KOI5654		151	1.7	32
Show		19596+4603	KOI2029		123	5.9	33
Show		20028+4513	RAO 169	AB	296	2.5	35
Show		20028+4513	RAO 169	AC	238	3.2	35
Show		19594+4604	KOI5686		327	2.9	35
Show		20014+4620	KOI7223	AB	329	4.0	35
Show		20014+4620	KOI7223	AC	93	3.8	35
Show		19596+4526	KOI 421	AB	214	2.4	35
Show		19596+4526	KOI 421	AC	11	3.0	35
Show		19596+4526	KOI 421	AD	130	3.8	35
Show		19596+4526	KOI 421	AE	86	4.0	35
Show		19597+4523	DEA 469		47	41.6	36
Show		20038+4515	KOI4664		246	3.0	36
Show		20017+4623	KOI3729		243	3.9	37
Show		19587+4543	KOI7158		313	2.8	38
Show		19587+4558	KOI1397	AB	212	0.0	40
Show		19587+4558	KOI1397	AC	61	1.7	40
Show		19587+4558	KOI1397	AD	229	2.3	40
Show		19587+4558	KOI1397	AE	155	3.5	40
Show		19587+4558	KOI1397	AF	264	3.6	40
Show		20003+4621	A 719		109	3.0	40
Show		20029+4506	KOI2985		113	1.7	42
Show		19582+4546	KOI2067	AB	315	1.6	43
Show		19582+4546	KOI2067	AC	55	2.8	43
Show		20038+4507	KOI5583		320	4.0	44
Show		19592+4516	DEA 215		180	9.3	45
Show		19584+4606	KOI6070		100	3.2	45
Show		19584+4607	KOI6206	AB	359	3.3	45
Show		19584+4607	KOI6206	AC	42	3.8	45
Show		20006+4505	KOI 44	AB	124	3.4	46
Show		20006+4505	KOI 44	AC	34	4.6	46

WDS 20023+4547 : COMPONENTS

	A
B	pa=102.4° sep=8.40"

20023+4547 A

Coord arcsec 2000	200217.18+454659.1		Mag	10.2		Spectral class	K0 (yellow-orange)		PmRA	141.00
PmDE	131.0		HIP	98655		Tycho2	3558-01262-1		HD	190274

Tycho2

Tycho2	3558-01262-1	Pflag		RAmdeg	300.57159742	DEmdeg	45.78309747
PmRA	141.1	PmDE	131.5	E RAmdeg	28	E DEmdeg	29
E pmRA	1.3	E pmDE	1.3	EpRAm	1984.39	EpDEm	1983.81
Num	5	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.8	BTmag	11.513	E BTmag	0.074	VTmag	10.509
E VTmag	0.046	Prox	999	TYC	T	HIP	98655
CCDM		RAdeg	300.57113333	DEdeg	45.78279389	EpRA 1990	1.68
EpDE 1990	1.78	E RAdeg	37.3	E DEdeg	36.6	Posflg
Corr	0.0

Hipparcos

Catalog	H	HIP	98655	Proxy		RAhms	20 02 17.06
DEdms	+45 46 58.0	Vmag	10.43	VarFlag		R Vmag	H
RAdeg	300.571	DEdeg	45.7828	AstroRef		Plx	8.76
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	190274	BD
CD		CP		Dm number		VIred	1.13
SpType	K0	R SpType		Coord arcsec 2000	200217.06+454658.0

Hipparcos 2

HIP	98655	Sn	5	So	0	Nc	1
RArad	5.2459553069	DErad	0.7990601133	Plx	9.34	PmRA	140.28
PmDE	128.55	E RArad	1.14	E DErad	1.06	E Plx	1.29
E pmRA	1.25	E pmDE	1.04	Hpmag	10.5705	E Hpmag	0.0052
SHp	0.038	VA	0	BV	0.975	E BV	0.103
VI	1.02

CCDM

Ccdm	20023+4547	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.88	DDEs	-0.2
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	11.3	Sp		PmNote	*
PmRA	94	PmDE	170	Dm number		Cat1
Name2		Cat2		HD	190274	M HD
ADS BDS		M ADS BDS		N IDS		IDS	19591N4530A
HIC	98655

20023+4547 B

Coord arcsec 2000	200217.96+454657.3		Mag	13.2		PmRA	43.00		PmDE	11.0
Calc delta mag	3		Calc coord	yes

CCDM

Ccdm	20023+4547	RComp		Comp	B	Note1
Note2		Discov num	LDS	DRAs		DDEs
R dRAs		Year	1960	Theta	169	Rho	6.0
Obs	1	Vmag	13.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19591N4530B
HIC	98655