23346-1647 LDS 2990

23^h 34^m 37.84^s -16° 46' 15.3" P.A. 328.00 sep 13.5 mag 16.33,19.12 Sp M3:+M3:

Coord 2000	23346-1647	Discov num	LDS2990	Comp		Coord arcsec 2000	23 34 37.84 -16 46 15.3
Date first	1951	Date last	2016	Obs	7
Pa first	327	Pa last	327.8	P.A. Now (θ)	327.8°
Sep first	14.0	Sep last	13.528	Sep. Now (ρ)	13.528"
Mag pri	16.33	Mag sec	19.12	delta mag (ΔM)	2.79	Spectral class	M3:+M3: (red/red)
Pri motion ra	+350	Sec motion ra	+350
Pri motion dec	-156	Sec motion dec	-156
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

WDS 23346-1647 LDS 2990 : NOTES

discov_num	notes	refcode
LDS2990	NLTT 57262/57259	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
23346-1647	LDS2990		2000	3	328	13.5	16.33	19.12		D	233437.84-164615.3
23346-1647	LDS2990		2010	5	328	13.4	16.33	19.12	M3:+M3:	NV	233437.84-164615.3
23346-1647	LDS2990		2015	6	328	13.5	16.33	19.12	M3:+M3:	NV	233437.84-164615.3
23346-1647	LDS2990		2016	7	328	13.5	16.33	19.12	M3:+M3:	NV	233437.84-164615.3

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

WDS 23346-1647 LDS 2990 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23346-1647 LDS 2990 : MEASURES

No records found.

WDS 23346-1647 : VIRTUAL EYEPIECE

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WDS 23346-1647 : ALADIN DSS IMAGE @ 23^h 34^m 37.84^s -16° 46' 15.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23346-1647 LDS 2990 : 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		23346-1647	LDS2990		328	13.5
Show		23328-1651	LDS 816	A,BC	353	338.2	27
Show		23328-1651	LAF 73	AD	234	9.0	27
Show		23328-1651	SHY 110	AE	190	999.9	27
Show		23328-1651	VOU 28	BC	357	0.7	27
Show		23351-1551	GWP3325		211	30.2	56
Show		23325-1741	SKF2031		25	42.2	63
Show		23325-1742	SKF 333		222	2.6	64
Show		23327-1749	UC 4980		294	36.6	69
Show		23301-1717	HJ 3197		307	8.1	72
Show		23342-1531	SKF 128		224	108.0	76
Show		23292-1646	GWP3307	AB	95	37.4	78
Show		23292-1646	GWP3308	AC	292	101.9	78
Show		23318-1755	UC 4976		13	36.3	81
Show		23403-1642	GWP3343		113	17.9	83
Show		23343-1509	UC 4988		44	61.5	98
Show		23308-1810	GWP3316		86	190.2	100
Show		23340-1502	RST4128		215	3.0	105
Show		23352-1834	HJ 3202		250	4.6	109
Show		23421-1704	UC 5008		151	44.6	110
Show		23386-1823	GWP3336		306	10.7	113
Show		23274-1736	HJ 3194		65	18.3	116
Show		23391-1823	GWP3339	AB	79	68.3	116
Show		23326-1454	SKF 127		65	48.5	117
Show		23353-1448	RST4129		34	2.3	119
Show		23418-1749	HJ 5413	BC	75	93.2	119
Show		23369-1451	NSN 784		42	2.2	120
Show		23418-1749	HJ 5413	AB	4	118.0	120
Show		23392-1831	BHA 55		86	7.2	124
Show		23318-1448	HDS3351		328	0.9	125
Show		23257-1655	HJ 3192		118	33.3	128
Show		23254-1717	HJ 5398		2	29.3	136
Show		23321-1431	BRT 602		140	4.6	140
Show		23270-1515	HU 297		304	0.5	144
Show		23414-1832	B 2510		244	1.9	144
Show		23443-1611	SKF 311		2	6.4	145
Show		23251-1735	GWP3293		301	18.3	145
Show		23267-1505	RAO 680		289	1.2	154
Show		23261-1514	GWP3297		32	15.2	154
Show		23286-1855	BHA 54		42	9.7	155
Show		23246-1551	GWP3292		225	13.8	155
Show		23451-1727	TOI 287		126	0.2	156
Show		23444-1802	FEN 43		111	3.5	159
Show		23438-1517	HEG 2	AB	18	0.1	160
Show		23438-1517	HEG 2	AC	46	0.5	160
Show		23433-1505	FOX 277		228	5.4	161
Show		23455-1610	MTG 5		168	0.1	161
Show		23242-1746	TSN 209		20	0.1	162
Show		23232-1632	HU 296		189	3.9	165
Show		23239-1747	TOK 218	Aa,Ab	263	0.5	166
Show		23239-1747	TOK 218	AB	320	13.8	166

WDS 23346-1647 : COMPONENTS

	A
B	pa=328.9° sep=13.37"

23346-1647 A

Componente originario normalizzato	AB		Coord arcsec 2000	233437.84-164615.3		Mag	16.33		Spectral class	M3: (red)
PmRA	350.00		PmDE	-156.0

23346-1647 B

Componente originario normalizzato	AB		Coord arcsec 2000	233437.36-164603.9		Mag	19.12		Spectral class	M3: (red)
PmRA	350.00		PmDE	-156.0		Calc delta mag	2.79		Calc coord	yes