11581-2930 LDS 375

11^h 58^m 08.44^s -29° 31' 24.4" P.A. 347.00 sep 9.2 mag 12.32,14.10 Sp M1+M2

Coord 2000	11581-2930	Discov num	LDS 375	Comp		Coord arcsec 2000	11 58 08.44 -29 31 24.4
Date first	1960	Date last	2015	Obs	8
Pa first	351	Pa last	346.9	P.A. Now (θ)	346.9°
Sep first	9.0	Sep last	9.241	Sep. Now (ρ)	9.241"
Mag pri	12.32	Mag sec	14.10	delta mag (ΔM)	1.78	Spectral class	M1+M2 (red/red)
Pri motion ra	+440	Sec motion ra	+440
Pri motion dec	-170	Sec motion dec	-170
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

WDS 11581-2930 LDS 375 : NOTES

discov_num	notes	refcode
LDS 375	NLTT 29109/29108	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
11581-2930	LDS 375		2000	4	347	9.2	12.32	14.10	M1 M2	D	115808.44-293124.4
11581-2930	LDS 375		2010	7	347	9.3	12.32	14.10	M1+M2	N	115808.44-293124.4
11581-2930	LDS 375		2015	8	347	9.2	12.32	14.10	M1+M2	N	115808.44-293124.4

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

WDS 11581-2930 LDS 375 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 11581-2930 LDS 375 : MEASURES

No records found.

WDS 11581-2930 : VIRTUAL EYEPIECE

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WDS 11581-2930 : ALADIN DSS IMAGE @ 11^h 58^m 08.44^s -29° 31' 24.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 11581-2930 LDS 375 : 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		11581-2930	LDS 375		347	9.2
Show		11552-2951	B 1201		289	2.2	44
Show		11559-3005	KPP1003		268	8.1	45
Show		11545-2917	LDS4157		37	14.7	51
Show		12004-3020	DAW 135	AB	55	3.7	57
Show		12001-2834	RST1628		218	1.3	63
Show		12028-2947	RUZ 4		39	85.4	64
Show		11598-3036	UC 2248		114	15.4	68
Show		12011-3048	LDS5746		133	201.6	88
Show		12051-2920	SKF1912		318	40.6	92
Show		12039-3026	DAW 136		266	2.3	93
Show		12019-2811	RST1633		298	3.6	94
Show		12053-2953	RST1643		66	2.0	96
Show		12040-3037	DAW 137		88	2.2	101
Show		12025-3055	BRT2990		72	3.5	102
Show		12041-2822	RUZ 5	AB	347	4.2	105
Show		12041-2822	RUZ 5	AC	271	4.0	105
Show		12049-2817	RST1642		233	1.0	117
Show		11491-2935	KPP 766		280	6.6	118
Show		11575-3131	B 1711		172	2.7	120
Show		12015-3123	TDS8177		267	0.5	120
Show		11487-2916	GRV1274		44	1.0	125
Show		11559-2728	B 2735	AB	24	8.9	128
Show		12046-3111	RSS 281	AB	160	8.6	130
Show		12071-2830	UC 2276		57	15.0	133
Show		11489-2833	UC 2210		274	27.8	135
Show		11526-3129	RUZ 6		263	14.0	138
Show		11498-3105	KPP1980		96	15.7	144
Show		11513-3124	TVB 244		45	4.2	144
Show		12002-2706	B 218		343	0.5	148
Show		12008-2707	TDS8163		231	2.2	149
Show		11531-2718	BVD 96		238	134.4	149
Show		11483-2813	UC 2209		148	64.3	151
Show		11479-2819	RST2765		97	2.1	153
Show		11464-2909	HJ 4472		31	19.3	156
Show		11464-3002	DAW 134		192	0.8	156
Show		11499-2735	TDS8052	Aa,Ab	271	0.4	160
Show		11499-2735	B 2286	AB	303	13.3	160
Show		11458-2917	KPP2091		36	16.9	162
Show		11546-3208	I 1215		236	0.6	163
Show		12087-2804	SKF1914		265	18.8	164
Show		11567-3216	TOK 146	BE	113	4.8	166
Show		11567-3216	DUN 116	BC	359	21.8	166
Show		11567-3216	DUN 116	AB	82	18.7	166
Show		11567-3216	DUN 116	AC	38	30.0	166
Show		11567-3216	CVN 86	AF	178	5.8	166
Show		11491-3129	UC 2212		198	9.7	167
Show		12066-3137	RUZ 2		7	5.6	167
Show		12110-2934	BRT2991		132	5.4	168
Show		12059-2717	B 219		299	1.3	169
Show		11509-3152	RST2771		254	0.3	169

WDS 11581-2930 : COMPONENTS

	A
B	pa=348.6° sep=9.18"

11581-2930 A

Componente originario normalizzato	AB		Coord arcsec 2000	115808.44-293124.4		Mag	12.32		Spectral class	M1 (red)
PmRA	440.00		PmDE	-170.0

11581-2930 B

Componente originario normalizzato	AB		Coord arcsec 2000	115808.30-293115.4		Mag	14.1		Spectral class	M2 (red)
PmRA	440.00		PmDE	-170.0		Calc delta mag	1.78		Calc coord	yes