20571-4439 LDS 729

20^h 57^m 10.21^s -44° 39' 08.2" P.A. 106.00 sep 220.3 mag 12.60,13.10

Coord 2000	20571-4439	Discov num	LDS 729	Comp		Coord arcsec 2000	20 57 10.21 -44 39 08.2
Date first	1920	Date last	2015	Obs	5
Pa first	135	Pa last	106	P.A. Now (θ)	106°
Sep first	214.0	Sep last	220.264	Sep. Now (ρ)	220.264"
Mag pri	12.60	Mag sec	13.10	delta mag (ΔM)	0.5	Spectral class
Pri motion ra	-296	Sec motion ra	-212
Pri motion dec	-027	Sec motion dec	-013
Notes	R (Red magnitudes)

rPM=0.287 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Gaia DR2

6484312272248793344

WDS 20571-4439 LDS 729 : 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
20571-4439	LDS 729		1999	2	133	222.7	14.30	15.20		D	205706.83-443813.3
20571-4439	LDS 729		2010	4	106	219.9	12.60	13.10		R	205710.21-443908.2
20571-4439	LDS 729		2015	5	106	220.3	12.60	13.10		R	205710.21-443908.2

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

WDS 20571-4439 LDS 729 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20571-4439 LDS 729 : MEASURES

No records found.

WDS 20571-4439 : VIRTUAL EYEPIECE

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WDS 20571-4439 : ALADIN DSS IMAGE @ 20^h 57^m 10.21^s -44° 39' 08.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20571-4439 LDS 729 : 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		20571-4439	LDS 729		106	220.3
Show		20568-4452	HDS2984		239	0.8	14
Show		20555-4426	I 1430		29	1.4	22
Show		20578-4402	DON 995		252	2.0	39
Show		21008-4429	TDT2693		106	1.8	41
Show		21011-4426	HJ 5238		192	36.9	45
Show		21017-4431	TOK 800		210	0.5	50
Show		21004-4519	HU 1533		51	4.3	53
Show		20583-4345	I 1048		137	1.6	56
Show		20533-4519	SKF1169		224	95.9	58
Show		21050-4441	KPP3080		169	8.6	84
Show		21050-4357	UC 4373		126	45.6	94
Show		20487-4359	DON 993	AB	332	12.2	100
Show		20487-4359	HJ 5222	AC	271	28.6	100
Show		20485-4359	DON 992		291	5.2	102
Show		20545-4627	B 508		281	2.3	112
Show		21022-4300	DUN 236		73	57.4	114
Show		20476-4534	I 1427		211	0.6	116
Show		21081-4505	BVD 133		246	21.1	119
Show		21064-4548	HU 1333		319	1.7	120
Show		20548-4636	I 1429	AB	147	1.1	120
Show		21015-4246	NSN 455		189	2.5	123
Show		21081-4520	I 1434		335	0.8	124
Show		21045-4615	TOK 35		202	39.9	124
Show		20531-4637	SKF1168		231	16.9	126
Show		20452-4428	BRT1114		65	5.6	130
Show		21092-4529	TDT2787		77	0.5	137
Show		21030-4643	SKF1099		137	6.0	139
Show		20441-4412	KPP1048	AB	183	8.4	143
Show		20454-4554	RST1076		287	1.0	146
Show		20561-4213	UC 4335		196	30.8	147
Show		21043-4233	DON 999		263	4.6	149
Show		20495-4649	HU 1331		194	0.9	153
Show		21048-4650	NSN 454		7	9.1	154
Show		20556-4204	BRT1116		138	4.5	156
Show		20427-4400	KPP3106		232	2.5	161
Show		20465-4639	LDS 721		215	6.7	164
Show		21028-4206	TDT2712		309	0.7	165
Show		21099-4304	UC 4395		141	61.2	168
Show		21050-4214	UC 4372		12	13.9	169
Show		21086-4245	SYU 12		224	0.2	169
Show		20459-4640	RST2156		245	0.6	170
Show		20536-4153	BRT1115		339	3.5	171
Show		21136-4423	KPP 604		86	5.6	177
Show		21050-4203	CPO 619		252	5.6	178
Show		20552-4139	UC 4327		96	77.2	182
Show		20573-4136	UC 4343		265	17.3	184
Show		20411-4549	SKF1166		147	20.8	184
Show		20596-4746	I 1431			0.5	189
Show		20400-4359	DON 990	AB	39	0.3	190
Show		20400-4359	DON 990	AC	292	7.0	190

WDS 20571-4439 : COMPONENTS

	A
B	pa=112.0° sep=162.38"

20571-4439 A

Componente originario normalizzato	AB		Coord arcsec 2000	205710.21-443908.2		Mag	12.6		PmRA	-296.00
PmDE	-27.0

20571-4439 B

Componente originario normalizzato	AB		Coord arcsec 2000	205724.33-444008.9		Mag	13.1		PmRA	-212.00
PmDE	-13.0		Calc delta mag	0.5		Calc coord	yes