21582-2315 LDS 4928

21^h 58^m 13.11^s -23° 15' 55.3" P.A. 271.00 sep 19.1 mag 13.19,15.42

Coord 2000	21582-2315	Discov num	LDS4928	Comp		Coord arcsec 2000	21 58 13.11 -23 15 55.3
Date first	1960	Date last	2015	Obs	8
Pa first	268	Pa last	270.8	P.A. Now (θ)	270.8°
Sep first	19.0	Sep last	19.076	Sep. Now (ρ)	19.076"
Mag pri	13.19	Mag sec	15.42	delta mag (ΔM)	2.23	Spectral class
Pri motion ra	+186	Sec motion ra	+198
Pri motion dec	-048	Sec motion dec	-062
Notes	N (See Notes)

rPM=0.089 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Capricornus

Gaia DR2

6813610885165926528

WDS 21582-2315 LDS 4928 : NOTES

discov_num	notes	refcode
LDS4928	NLTT 52553/52552	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
21582-2315	LDS4928		2000	3	271	19.1	13.64	15.56		D	215813.11-231555.3
21582-2315	LDS4928		2010	6	271	19.0	13.19	15.42		N	215813.11-231555.3
21582-2315	LDS4928		2015	7	271	19.1	13.19	15.42		N	215813.11-231555.3

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

WDS 21582-2315 LDS 4928 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21582-2315 LDS 4928 : MEASURES

No records found.

WDS 21582-2315 : VIRTUAL EYEPIECE

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WDS 21582-2315 : ALADIN DSS IMAGE @ 21^h 58^m 13.11^s -23° 15' 55.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21582-2315 LDS 4928 : 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		21582-2315	LDS4928		271	19.1	1
Show		21587-2341	UC 4619		313	30.0	27
Show		22003-2330	I 674		244	0.3	33
Show		21582-2225	COO 246		337	21.9	51
Show		21551-2237	WSP 111		100	5.0	59
Show		22006-2224	WHC 24		48	20.2	62
Show		21583-2428	UC 4617		354	56.6	73
Show		22047-2312	WHC 26		332	9.9	91
Show		22029-2158	UC 4634		310	84.4	101
Show		22043-2216	KPP 988		144	8.0	104
Show		21529-2152	DON1120		212	8.3	111
Show		21500-2314	ARA2280		78	5.0	114
Show		21581-2120	DON1021		186	2.8	115
Show		22015-2503	UC 4631	AB	315	36.3	116
Show		22015-2503	KPP4399	AC	334	1.1	116
Show		22035-2142	I 676		186	1.2	119
Show		21495-2339	KPP 500		312	3.6	122
Show		22039-2451	SEE 465	AB	170	3.4	123
Show		22039-2451	LDS6378	AC	148	122.9	123
Show		22039-2451	LDS4939	AD	346	97.7	123
Show		22039-2451	SEE 465	Aa,Ab	148	0.7	123
Show		22039-2451	SEE 465	Ba,Bb	115	0.1	123
Show		21546-2509	BRT3103		175	3.6	124
Show		21575-2109	BU 169		284	2.0	128
Show		21512-2147	TDT3194		257	0.9	132
Show		21556-2108	HJ 3065	AB	125	41.6	133
Show		21556-2108	HJ 3065	AC	333	65.0	133
Show		21587-2534	TDT3271		60	0.9	139
Show		22073-2202	UC 4657		349	27.0	146
Show		21524-2522	B 541		295	0.2	150
Show		21500-2127	LDS4913		277	15.6	159
Show		21496-2505	UC 4575		48	8.9	161
Show		21499-2509	B 540		326	0.1	161
Show		22049-2528	RST1121		184	0.6	162
Show		22049-2104	DON1022		267	1.2	162
Show		21472-2221	UC 4562		131	9.3	162
Show		21465-2338	UC 4557		162	8.1	163
Show		22105-2333	SEE 470	AB	28	1.7	171
Show		22105-2333	UC 4670	AC	99	56.3	171
Show		22087-2141	TDT3365		17	0.5	174
Show		22064-2103	DON1023		85	0.9	175
Show		21554-2022	LDS4923		244	3.3	179
Show		22045-2553	B 549		218	3.7	179
Show		22009-2021	I 675		63	5.7	180
Show		21471-2140	HDS3102		264	0.4	182
Show		21451-2332	KPP1689		185	13.1	182
Show		21497-2539	COO 245		306	2.6	184
Show		21543-2020	BVD 140		256	35.9	184
Show		22064-2047	CLO 3		261	0.2	188
Show		22041-2022	SHN 43		75	0.8	192
Show		21470-2122	LDS6361		104	3.0	193

WDS 21582-2315 : COMPONENTS

	A
B	pa=270.9° sep=17.53"

21582-2315 A

Componente originario normalizzato	AB		Coord arcsec 2000	215813.11-231555.3		Mag	13.19		PmRA	186.00
PmDE	-48.0

21582-2315 B

Componente originario normalizzato	AB		Coord arcsec 2000	215811.84-231555.0		Mag	15.42		PmRA	198.00
PmDE	-62.0		Calc delta mag	2.23		Calc coord	yes