02564-1722 LDS 3442

02^h 56^m 25.67^s -17° 22' 17.6" P.A. 290.00 sep 12.2 mag 15.77,19.10

Coord 2000	02564-1722	Discov num	LDS3442	Comp		Coord arcsec 2000	02 56 25.67 -17 22 17.6
Date first	1960	Date last	2016	Obs	8
Pa first	288	Pa last	289.8	P.A. Now (θ)	289.8°
Sep first	12.0	Sep last	12.201	Sep. Now (ρ)	12.201"
Mag pri	15.77	Mag sec	19.10	delta mag (ΔM)	3.33	Spectral class
Pri motion ra	-161	Sec motion ra	-161
Pri motion dec	-120	Sec motion dec	-120
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Eridanus

Gaia DR2

5153402688625238656

WDS 02564-1722 LDS 3442 : NOTES

discov_num	notes	refcode
LDS3442	NLTT 9390/9388	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	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
02564-1722	LDS3442		2000	3	289	12.1	15.77	19.10		D	025625.67-172217.6
02564-1722	LDS3442		2010	4	290	12.1	15.77	19.10		N	025625.67-172217.6
02564-1722	LDS3442		2015	5	290	12.2	15.77	19.10		N	025625.67-172217.6
02564-1722	LDS3442		2016	8	290	12.2	15.77	19.10		N	025625.67-172217.6

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

WDS 02564-1722 LDS 3442 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02564-1722 LDS 3442 : MEASURES

No records found.

WDS 02564-1722 : VIRTUAL EYEPIECE

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WDS 02564-1722 : ALADIN DSS IMAGE @ 02^h 56^m 25.67^s -17° 22' 17.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02564-1722 LDS 3442 : 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		02564-1722	LDS3442		290	12.2
Show		02533-1737	TSN 105		180	102.2	48
Show		02563-1816	GWP 400		287	65.9	54
Show		02586-1628	GWP 407		279	12.0	63
Show		02546-1623	ARA 15		6	11.7	66
Show		02578-1826	RSS 61		356	31.1	67
Show		02583-1616	LDS5407	AB	93	241.9	71
Show		02583-1616	LDS5407	Aa,Ab	65	3.3	71
Show		02542-1826	LDS3437		271	57.2	71
Show		03012-1753	HJ 3546		82	8.7	75
Show		03015-1743	B 1927		236	0.9	76
Show		02560-1607	ARA 16		233	8.0	76
Show		02558-1606	GWP 398		56	81.4	77
Show		02551-1603	HDS 373		137	0.5	82
Show		03012-1816	GWP 408		198	84.3	87
Show		02504-1733	B 1926		163	0.3	88
Show		02537-1603	A 2907		128	1.7	89
Show		03019-1633	RST2292	BC	317	1.2	91
Show		03019-1633	RST2292	AB	317	1.1	91
Show		03019-1633	RST2292	AC	313	6.1	91
Show		03020-1812	YSC 175		280	0.1	95
Show		02580-1550	HU 811	AB	239	1.7	95
Show		02580-1550	WIS 78	AC	351	144.0	95
Show		02491-1712	GWP 373		167	117.3	106
Show		02535-1859	LDS5400		156	308.4	108
Show		02524-1546	LDS5398		105	114.7	111
Show		02559-1521	LDS3441		23	18.3	122
Show		02474-1733	GWP 369	AB	352	69.8	130
Show		02474-1733	SKF2168	AC	284	4.7	130
Show		03033-1848	GWP 414		264	87.9	130
Show		02472-1646	LDS5394		315	93.4	138
Show		02514-1526	GWP 382		82	66.7	138
Show		02476-1819	LV 2		26	2.9	138
Show		02489-1902	B 1924		236	0.4	147
Show		02585-1453	GWP 405		97	398.9	153
Show		03025-1516	HJL1114		200	0.0	154
Show		02544-2007	HDS 371		347	0.1	168
Show		02474-1536	BRT 606		331	3.0	169
Show		02596-1436	LDS3445		337	9.8	173
Show		02461-1853	UC 801		86	28.0	174
Show		02532-2014	ARA 833		358	11.1	179
Show		02472-1523	BU 1002		356	1.5	180
Show		02537-1421	GAL 80		155	6.1	187
Show		02445-1859	GWP 362		298	159.3	196
Show		02498-2015	HJ 3533		267	37.8	197
Show		02490-1432	KPP2871		99	8.4	202
Show		02550-1402	HDS 372	Aa,Ab	150	0.3	203
Show		02550-1402	GAL 328	AB	278	11.3	203
Show		02456-1508	BRT 605		209	4.1	206
Show		03013-1410	TDS2415		301	5.6	206
Show		03014-1409	GWP 410		267	53.2	207

WDS 02564-1722 : COMPONENTS

	A
B	pa=290.7° sep=11.71"

02564-1722 A

Componente originario normalizzato	AB		Coord arcsec 2000	025625.67-172217.6		Mag	15.77		PmRA	-161.00
PmDE	-120.0

02564-1722 B

Componente originario normalizzato	AB		Coord arcsec 2000	025624.90-172213.5		Mag	19.1		PmRA	-161.00
PmDE	-120.0		Calc delta mag	3.33		Calc coord	yes