15557+2603 LDS 4604

15^h 55^m 43.77^s +26° 03' 05.4" P.A. 64.00 sep 30.1 mag 14.80,16.50 Sp M3+M4

Coord 2000	15557+2603	Discov num	LDS4604	Comp		Coord arcsec 2000	15 55 43.77 +26 03 05.4
Date first	1960	Date last	2016	Obs	13
Pa first	63	Pa last	63.7	P.A. Now (θ)	63.7°
Sep first	30.0	Sep last	30.051	Sep. Now (ρ)	30.051"
Mag pri	14.80	Mag sec	16.50	delta mag (ΔM)	1.7	Spectral class	M3+M4 (red/red)
Pri motion ra	-218	Sec motion ra	-218
Pri motion dec	+082	Sec motion dec	+082
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Borealis

Gaia DR2

1220245671024218752

WDS 15557+2603 LDS 4604 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15557+2603	LDS4604		1999	2	64	32.4	15.80	17.70		D	155538.64+260307.8
15557+2603	LDS4604		2004	3	64	30.1	14.80	16.50	M3+M4	V	155543.77+260305.4
15557+2603	LDS4604		2010	4	64	30.1	14.80	16.50	M3+M4	V	155543.77+260305.4
15557+2603	LDS4604		2015	6	64	30.1	14.80	16.50	M3+M4	V	155543.77+260305.4
15557+2603	LDS4604		2016	13	64	30.1	14.80	16.50	M3+M4	V	155543.77+260305.4

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

WDS 15557+2603 LDS 4604 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15557+2603 LDS 4604 : MEASURES

No records found.

WDS 15557+2603 : VIRTUAL EYEPIECE

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WDS 15557+2603 : ALADIN DSS IMAGE @ 15^h 55^m 43.77^s +26° 03' 05.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15557+2603 LDS 4604 : 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		15557+2603	LDS4604		64	30.1	1
Show		15551+2529	BRT3309	AB	286	3.3	35
Show		15572+2640	TDS9703		296	0.7	43
Show		15595+2555	JEF 2		140	0.5	52
Show		15560+2510	TDS9695		100	0.4	54
Show		15576+2653	AGC 7	AB	10	2.0	56
Show		15576+2653	AGC 7	AC	172	96.0	56
Show		15554+2702	KPP3299		286	1.4	60
Show		16003+2612	J 3322		126	2.7	61
Show		15508+2615	TDS9657		225	0.8	68
Show		16011+2610	H 5 75		113	57.1	73
Show		15499+2547	HLM 6		179	24.0	80
Show		15513+2509	STF1981		4	12.1	82
Show		16011+2649	KPP3976		320	1.2	86
Show		15553+2435	AZC 95		233	47.7	89
Show		15495+2528	WSI 111	Aa,Ab	307	0.2	91
Show		15495+2528	STF1977	AB	356	13.9	91
Show		15495+2528	WSI 111	Aa,C	114	0.5	91
Show		16018+2519	FMR 122	AB	193	8.3	94
Show		16018+2519	WIS 300	BC	81	808.1	94
Show		16025+2633	COU 618	AB	178	0.6	96
Show		16025+2633	GII 227	Aa,Ab	16	0.2	96
Show		15495+2514	TDS9646		43	1.7	97
Show		15485+2600	COU 616		163	0.8	99
Show		16026+2637	HDS2262		265	0.4	99
Show		16033+2611	CVR 810		6	15.7	103
Show		16019+2458	COU 411		277	1.4	106
Show		16006+2726	TDS9725		4	0.6	106
Show		15598+2431	GRV1215		328	13.1	107
Show		15488+2503	DOO 60		23	28.0	110
Show		15540+2754	COU 802	AB	127	3.0	114
Show		15540+2754	GII 225	Aa,Ab	122	0.1	114
Show		15507+2430	AZC 94		152	17.0	116
Show		15593+2752	TDS9712		217	0.6	120
Show		16040+2515	TRN 1		247	0.4	123
Show		15474+2504	RAO 665		326	4.1	128
Show		15513+2408	POU3210		151	6.1	131
Show		16048+2514	HDS2270		8	27.5	133
Show		16038+2723	TDS9744		38	0.5	135
Show		15563+2347	RAO 341		330	0.6	136
Show		15458+2637	COU 615		127	1.0	137
Show		15587+2351	UC 3096		128	18.2	138
Show		15523+2814	TDS9668		210	0.7	139
Show		15570+2345	TDS9701	AB	147	0.5	140
Show		15570+2345	GII 226	Aa,Ab	170	0.2	140
Show		15507+2400	POU3208		97	5.2	141
Show		15454+2538	PST 5	AB	271	10.6	142
Show		15454+2538	PST 5	AC	270	17.8	142
Show		16011+2808	AG 349		227	11.7	143
Show		15455+2523	KPP3968		347	26.3	145
Show		16063+2633	TDS9754		261	2.5	145

WDS 15557+2603 : COMPONENTS

	A
B	pa=61.2° sep=27.62"

15557+2603 A

Componente originario normalizzato	AB		Coord arcsec 2000	155543.77+260305.4		Mag	14.8		Spectral class	M3 (red)
PmRA	-218.00		PmDE	82.0

15557+2603 B

Componente originario normalizzato	AB		Coord arcsec 2000	155545.57+260318.7		Mag	16.5		Spectral class	M4 (red)
PmRA	-218.00		PmDE	82.0		Calc delta mag	1.7		Calc coord	yes