20528+0311 HLD 43

20^h 52^m 50.44^s +03° 11' 18.3" P.A. 9.00 sep 2.2 mag 9.00,11.10 Sp G0

Coord 2000	20528+0311	Discov num	HLD 43	Comp		Coord arcsec 2000	20 52 50.44 +03 11 18.3
Date first	1881	Date last	2016	Obs	15
Pa first	4	Pa last	9.4	P.A. Now (θ)	9.4°
Sep first	1.9	Sep last	2.166	Sep. Now (ρ)	2.166"
Mag pri	9.00	Mag sec	11.10	delta mag (ΔM)	2.1	Spectral class	G0 (yellow)
Pri motion ra	+019	Sec motion ra
Pri motion dec	-038	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

0517-02723-1

Gaia DR2

1731034861543098368

ADS

14387

WDS 20528+0311 HLD 43 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hld1874	Ma -	Holden, E.S.	.
Hld1874		Washington Observations, 1874
Hld1875	Ma -	Holden, E.S.	.
Hld1875		Washington Observations, 1875
Hld1875b	Ma j	Holden, E.S. & Newcomb, S.	1875AN.....86..321H
Hld1875b		AN 86, 321, 1875
Hld1875c	Ma j	Holden, E.S.	1875AN.....86..321H
Hld1875c		AN 86, 321, 1875
Hld1876	Ma -	Holden, E.S.	.
Hld1876		Washington Observations, 1876
Hld1876b	Ma j	Holden, E.S.	1876AN.....88..131H
Hld1876b		AN 88, 131, 1876
Hld1877	Ma -	Holden, E.S.	1877AN.....90..161H
Hld1877		AN 90, 161, 1877
Hld1877b	Ma j	Holden, E.S.	1877AN.....90..161H
Hld1877b		AN 90, 161, 1877
Hld1878	Ma -	Holden, E.S.	.
Hld1878		Washington Observations, 1878
Hld1878b	Ma j	Holden, E.S.	1878AN.....93...65H
Hld1878b		AN 93, 65, 1878 (data also in Hld1878)
Hld1879	Ma -	Holden, E.S.	.
Hld1879		Washington Observations, 1879
Hld1879b	Ma j	Holden, E.S.	1879AN.....95..329H
Hld1879b		AN 95, 329, 1879 (data also in Hld1879)
Hld1880	Ma -	Holden, E.S.	.
Hld1880		Washington Observations, 1880
Hld1880b	Ma j	Holden, E.S.	1880AN.....97..319H
Hld1880b		AN 97, 319, 1880 (data also in Hld1880)
Hld1881	Ma -	Holden, E.S.	.
Hld1881		Washington Observations, 1881
Hld1881b	Ma j	Holden, E.S.	1881MNRAS..41..416.
Hld1881b		MNRAS 41, 416, 1881
Hld1882	Ma -	Holden, E.S.	1882PWasO...1...77H
Hld1882		Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894)	1894PLicO...2.....B
Hld1884	Ma -	Holden, E.S.	1884PWasO...2...97H
Hld1884		Pub. Washburn Obs. 2, 97, 1884

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20528+0311	HLD 43		2002	13	10	2.2	9.00	11.10	G0		205250.44+031118.3
20528+0311	HLD 43		2015	14	9	2.2	9.00	11.10	G0		205250.44+031118.3
20528+0311	HLD 43		2016	15	9	2.2	9.00	11.10	G0		205250.44+031118.3

If you need more information about this double, apply for a data request form to the WDS.

WDS 20528+0311 HLD 43 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20528+0311 HLD 43 : MEASURES

No records found.

WDS 20528+0311 : VIRTUAL EYEPIECE

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WDS 20528+0311 : ALADIN DSS IMAGE @ 20^h 52^m 50.44^s +03° 11' 18.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20528+0311 HLD 43 : 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		20528+0311	HLD 43		9	2.2
Show		20525+0310	GWP3009		237	76.6	6
Show		20535+0300	HEI 819		135	0.2	15
Show		20543+0321	BAL2039		28	14.7	24
Show		20529+0337	BAL2547		220	8.5	26
Show		20537+0336	BAL2548		258	7.5	28
Show		20551+0314	UC 4324		290	9.9	35
Show		20552+0314	BAL2040		68	8.4	36
Show		20521+0225	TDT2592		183	1.5	48
Show		20513+0353	GWP3006		117	24.4	48
Show		20541+0357	HJ 3005		300	30.5	50
Show		20510+0227	BAL2037		2	6.4	52
Show		20504+0222	GWP3004		12	15.6	62
Show		20525+0416	TDT2595		359	0.7	65
Show		20510+0211	BAL1573		225	5.6	67
Show		20521+0205	A 2286	AB	5	0.0	67
Show		20521+0205	A 2286	AB,C	48	1.1	67
Show		20510+0210	BAL1574		21	18.3	67
Show		20530+0427	TDT2603		281	1.7	76
Show		20537+0154	RST5473		20	3.0	80
Show		20516+0431	KPP1501		50	11.3	83
Show		20481+0224	BAL2035		304	12.9	87
Show		20472+0247	UC 4286		114	31.3	88
Show		20484+0407	BAL2546		40	9.6	88
Show		20471+0253	TDT2536		352	1.6	89
Show		20564+0422	CVR 877		125	26.3	89
Show		20581+0352	BAL2550		157	3.4	90
Show		20575+0214	BAL1577		221	4.9	92
Show		20557+0432	STF2735		282	2.0	92
Show		20493+0156	OSO 136		109	12.8	93
Show		20582+0356	WSI 39	CD	330	13.6	93
Show		20582+0356	BAR 13	AB	87	1.6	93
Show		20582+0356	BAR 13	AC	249	20.6	93
Show		20582+0356	WSI 39	AD	280	26.4	93
Show		20559+0435	UC 4332		60	52.9	96
Show		20466+0344	BAL2545		281	11.8	100
Show		20484+0426	AG 267		260	6.1	100
Show		20525+0130	BAL1575		175	16.6	103
Show		20580+0420	UC 4346		205	22.4	103
Show		20595+0242	HJ 928		74	16.5	104
Show		20506+0453	BAL2974		42	3.7	107
Show		20460+0344	BAL2544		14	16.7	108
Show		20572+0144	UC 4342		239	14.2	110
Show		20485+0143	RST5471		14	0.6	110
Show		20473+0426	UC 4288		79	48.6	112
Show		20591+0418	STF2737	BC	66	10.6	115
Show		20591+0418	STF2737	AB	125	0.0	115
Show		20591+0418	STF2737	AD	293	69.3	115
Show		20591+0418	STF2737	AB,C	67	10.6	115
Show		20459+0211	GRV 377		354	27.3	120
Show		20452+0352	UC 4280		255	36.1	121

WDS 20528+0311 : COMPONENTS

	A
B	pa=9.4° sep=2.17"

20528+0311 A

Componente originario normalizzato	AB	Coord arcsec 2000	205250.44+031118.3	Mag	9	Spectral class	G0 (yellow)
PmRA	19.00	PmDE	-38.0	Tycho2	0517-02723-1	ADS	14387
DM	BD+02 4264

Tycho2

Tycho2	0517-02723-1	Pflag		RAmdeg	313.21020273	DEmdeg	3.18843600
PmRA	17.2	PmDE	-42.2	E RAmdeg	9	E DEmdeg	12
E pmRA	1.2	E pmDE	1.2	EpRAm	1991.08	EpDEm	1990.22
Num	4	Q RAmdeg	1.4	Q DEmdeg	1.0	Q pmRA	1.5
Q pmDE	1.0	BTmag	10.136	E BTmag	0.023	VTmag	9.225
E VTmag	0.015	Prox	999	TYC	T	HIP
CCDM		RAdeg	313.21016306	DEdeg	3.18853667	EpRA 1990	1.73
EpDE 1990	1.40	E RAdeg	8.5	E DEdeg	11.7	Posflg
Corr	0.0

CCDM

Ccdm	20528+0311	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.44	DDEs	18.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.0	Sp	G0	PmNote	*
PmRA	10	PmDE	-49	Dm number	+02 4264	Cat1	BD
Name2	+02 2659	Cat2	AGK2/3	HD		M HD
ADS BDS	A14387	M ADS BDS		N IDS		IDS	20478N0249A
HIC

20528+0311 B

Componente originario normalizzato	AB		Coord arcsec 2000	205250.46+031120.4		Mag	11.1		Calc delta mag	2.1
Calc coord	yes

CCDM

Ccdm	20528+0311	RComp		Comp	B	Note1
Note2		Discov num	HLD 43	DRAs		DDEs
R dRAs		Year	1881	Theta	005	Rho	1.9
Obs	8	Vmag	11.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14387	M ADS BDS		N IDS		IDS	20478N0249B
HIC