15528+4731 SLN 32

15^h 52^m 45.19^s +47° 31' 29.5" P.A. 236.00 sep 9.7 mag 18.20,18.40 Sp DA+DA

Coord 2000	15528+4731	Discov num	SLN 32	Comp		Coord arcsec 2000	15 52 45.19 +47 31 29.5
Date first	2004	Date last	2016	Obs	2
Pa first	235	Pa last	235.5	P.A. Now (θ)	235.5°
Sep first	9.7	Sep last	9.672	Sep. Now (ρ)	9.672"
Mag pri	18.20	Mag sec	18.40	delta mag (ΔM)	0.2	Spectral class	DA+DA (white dwarf/white dwarf)
Pri motion ra	-004	Sec motion ra
Pri motion dec	-010	Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Gaia DR2

1398291165161649280

WDS 15528+4731 SLN 32 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
SLN		Sloan Digital Sky Survey	...................
Sln2009	Es j	Abazajian, K.N., Adelman-McCarthy, J.K., Agueros, M.A., Allam, S.S.,	2009ApJS..182..543A
Sln2009		Allende Prieto, C., An, D., Anderson, K.S.J., Anderson, S.F., Annis J.,
Sln2009		Bahcall, N.A., Bailer-Jones, C.A.L., Barentine, J.C., et al.
Sln2009		ApJS 182, 543, 2009 (The SDSS Photometric Catalog, Release 7)
Sln2012	Es -	Ahn C.P., Alexandroff R., Allende Prieto C., Anderson S.F., Anderton T.,	2012ApJS..203...21A
Sln2012		Andrews B.H., Aubourg E., Bailey S., Balbinot E., Barnes R., Bautista J.,
Sln2012		Beers T.C., et al.
Sln2012		ApJS 203, 21, 2012 (The SDSS Photometric Catalog, Release 9)
Sln2014	Es -	Baxter, R.B., Dobbie, P.D., Parker, Q.A., Casewell, S.L., Lodieu, N.,	2014MNRAS.440.3184B
Sln2014		Burleigh, M.R., Lawrie, K.A., Kulebi, B., Koester, D. & Holland, B.R.
Sln2014		MNRAS 440, 3184, 2014
Sln2014		(Paper gives no dates or position angles. Coarse date of 2004.5 assigned to all Es
Sln2014		photometry. Theta derived from coordinates in Table 1.)
Sln2015	Es -	Andrews, J.J., Agueros, M.A., Gianninas, A., Kilic, M., Dhital, S. & Anderson, S.	2015ApJ...815...63A
Sln2015		ApJ 815, 63, 2015

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15528+4731	SLN 32		2000	1	235	9.0	18.20	18.40	DA+DA		155245.19+473129.5
15528+4731	SLN 32		2004	1	235	9.7	18.20	18.40	DA+DA		155245.19+473129.5
15528+4731	SLN 32		2016	2	236	9.7	18.20	18.40	DA+DA	V	155245.19+473129.5

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WDS 15528+4731 SLN 32 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15528+4731 SLN 32 : MEASURES

No records found.

WDS 15528+4731 : VIRTUAL EYEPIECE

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WDS 15528+4731 : ALADIN DSS IMAGE @ 15^h 52^m 45.19^s +47° 31' 29.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15528+4731 SLN 32 : 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		15528+4731	SLN 32		236	9.7
Show		15504+4715	LDS1427		216	3.8	30
Show		15528+4808	J 1031		158	0.9	37
Show		15522+4653	COU1763		325	1.0	39
Show		15533+4648	UC 3079		301	20.6	44
Show		15578+4725	SHN 34		266	0.1	52
Show		15469+4736	ES 1087		174	6.9	60
Show		16000+4721	SHN 35		202	0.3	75
Show		15517+4614	BEM9006		258	5.1	79
Show		15497+4845	CVR1646		70	4.7	80
Show		15549+4852	FMR 121		127	31.6	84
Show		15504+4857	CVR 802		200	9.9	89
Show		15494+4608	KPP1710		204	13.2	90
Show		15439+4747	SLW1130		200	134.3	92
Show		15562+4601	LDS1429		261	6.5	97
Show		15555+4904	CVR 176	AB	4	21.5	97
Show		15585+4858	HU 659		207	0.5	105
Show		15514+4548	KPP 902		166	7.5	105
Show		15487+4908	SLW1139		261	38.7	105
Show		16026+4658	COU1765		101	0.8	106
Show		16029+4644	COU1766		32	0.6	114
Show		15453+4906	BEM 19		241	26.8	121
Show		15434+4619	CVR1644		207	3.6	121
Show		15488+4929	WIS 295		114	999.9	124
Show		15407+4707	TDS 783		20	1.0	126
Show		15445+4910	SKF 361		39	1.3	129
Show		15575+4933	LDS1430		57	3.6	131
Show		16056+4739	AG 202		284	22.0	131
Show		16008+4918	BVD 245		182	7.6	134
Show		16049+4828	RAO 344		337	0.2	135
Show		16028+4902	HDS2264		137	0.3	136
Show		16042+4620	LEP 148		54	6.4	138
Show		15455+4930	SLW1134		130	30.9	140
Show		16067+4730	SKF 259		265	11.3	141
Show		16041+4858	AG 201		253	8.0	142
Show		15486+4949	COU1918		156	0.2	144
Show		15551+4954	CVR1653		319	4.1	145
Show		16054+4845	NSN 675		44	3.4	146
Show		15547+5000	KPP3972		68	13.2	150
Show		15392+4636	CVR1640		273	3.8	150
Show		16013+4529	A 1640		345	0.7	151
Show		15492+4502	CVR 171		311	10.4	155
Show		15446+4520	LDS1426		118	5.8	158
Show		15425+4533	UC 211		95	14.6	159
Show		15383+4842	HDS2204	AB	58	0.4	162
Show		15383+4842	GII 222	Aa,Ab	115	0.1	162
Show		15382+4628	DBR 256		43	7.9	162
Show		15379+4634	DBR 255		162	6.5	162
Show		15390+4611	DBR 257		64	3.4	163
Show		16074+4842	HDS2275		254	0.9	163
Show		15365+4738	CVR 794		210	15.7	165

WDS 15528+4731 : COMPONENTS

	A
B	pa=224.5° sep=7.68"

15528+4731 A

Componente originario normalizzato	AB		Coord arcsec 2000	155245.19+473129.5		Mag	18.2		Spectral class	DA (white dwarf)
PmRA	-4.00		PmDE	-10.0

15528+4731 B

Componente originario normalizzato	AB		Coord arcsec 2000	155244.66+473124.0		Mag	18.4		Spectral class	DA (white dwarf)
Calc delta mag	0.2		Calc coord	yes