15441+2345 SLN 82

15^h 44^m 03.12^s +23° 44' 58.9" P.A. 3.00 sep 17.7 mag 18.40,19.60 Sp DA+DC

Coord 2000	15441+2345	Discov num	SLN 82	Comp		Coord arcsec 2000	15 44 03.12 +23 44 58.9
Date first	2000	Date last	2016	Obs	4
Pa first	9	Pa last	3.1	P.A. Now (θ)	3.1°
Sep first	17.8	Sep last	17.746	Sep. Now (ρ)	17.746"
Mag pri	18.40	Mag sec	19.60	delta mag (ΔM)	1.2	Spectral class	DA+DC (white dwarf/white dwarf)
Pri motion ra	+110	Sec motion ra	+104
Pri motion dec	-026	Sec motion dec	-032
Notes	V (Proper motion indicates physical)

rPM=0.075 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Serpens

Gaia DR2

1218155666922068864

WDS 15441+2345 SLN 82 : 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
15441+2345	SLN 82		2000	1	9	17.8	18.40	19.60	DA+DC	V	154403.12+234458.9
15441+2345	SLN 82		2015	2	3	17.7	18.40	19.60	DA+DC	V	154403.12+234458.9
15441+2345	SLN 82		2016	4	3	17.7	18.40	19.60	DA+DC	V	154403.12+234458.9

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WDS 15441+2345 SLN 82 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15441+2345 SLN 82 : MEASURES

No records found.

WDS 15441+2345 : VIRTUAL EYEPIECE

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WDS 15441+2345 : ALADIN DSS IMAGE @ 15^h 44^m 03.12^s +23° 44' 58.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15441+2345 SLN 82 : 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		15441+2345	SLN 82		3	17.7
Show		15429+2355	POU3199		108	14.3	19
Show		15456+2356	UC 3054		211	41.4	24
Show		15460+2338	UC 3058		203	17.2	28
Show		15446+2411	POU3202		299	6.8	28
Show		15457+2320	POU3204		155	3.4	34
Show		15456+2412	POU3203		107	16.7	35
Show		15437+2424	POU3200		69	4.7	45
Show		15407+2339	AZC 93		170	41.1	48
Show		15436+2255	KPP3295		186	13.6	51
Show		15444+2244	POU3201		290	4.9	62
Show		15392+2330	POU3197		352	4.0	69
Show		15399+2423	TDS9583		230	0.5	69
Show		15420+2240	POU3198		16	5.8	72
Show		15489+2314	HDS2227		291	0.7	74
Show		15498+2315	POU3206	AB	74	13.8	85
Show		15498+2315	POU3207	AC	100	19.4	85
Show		15440+2220	COU 106		277	0.3	85
Show		15377+2329	ARY 10		316	79.0	89
Show		15404+2500	LDS4578		80	14.9	91
Show		15474+2504	RAO 665		326	4.1	91
Show		15375+2325	POU3196		179	11.8	92
Show		15383+2431	ARY 11		327	151.0	92
Show		15507+2400	POU3208		97	5.2	93
Show		15509+2322	POU3209		48	14.0	98
Show		15496+2244	POU3205		334	8.3	99
Show		15455+2523	KPP3968		347	26.3	101
Show		15368+2404	POU3195		18	13.0	101
Show		15367+2353	CVR 795		112	9.2	101
Show		15507+2430	AZC 94		152	17.0	102
Show		15513+2408	POU3210		151	6.1	102
Show		15488+2503	DOO 60		23	28.0	104
Show		15406+2205	WIS 291		342	28.7	111
Show		15454+2538	PST 5	AB	271	10.6	115
Show		15454+2538	PST 5	AC	270	17.8	115
Show		15495+2514	TDS9646		43	1.7	117
Show		15507+2229	STF1979		246	9.3	119
Show		15357+2319	POU3194		228	3.0	120
Show		15353+2408	POU3193		296	7.5	122
Show		15495+2528	WSI 111	Aa,Ab	307	0.2	128
Show		15495+2528	STF1977	AB	356	13.9	128
Show		15495+2528	WSI 111	Aa,C	114	0.5	128
Show		15438+2553	LDT 12		262	0.2	128
Show		15513+2509	STF1981		4	12.1	130
Show		15348+2321	POU3192		11	3.2	130
Show		15531+2251	LDS4598		247	38.7	137
Show		15390+2545	COU 612		342	0.3	138
Show		15361+2517	HDS2192		128	0.2	143
Show		15499+2547	HLM 6		179	24.0	147
Show		15344+2445	LDS4561		287	64.8	147
Show		15348+2500	STT 297		332	12.8	147

WDS 15441+2345 : COMPONENTS

	A
B	pa=2.8° sep=17.74"

15441+2345 A

Componente originario normalizzato	AB		Coord arcsec 2000	154403.12+234458.9		Mag	18.4		Spectral class	DA (white dwarf)
PmRA	110.00		PmDE	-26.0

15441+2345 B

Componente originario normalizzato	AB		Coord arcsec 2000	154403.18+234516.6		Mag	19.6		Spectral class	DC (white dwarf)
PmRA	104.00		PmDE	-32.0		Calc delta mag	1.2		Calc coord	yes