20465-4639 LDS 721

20^h 46^m 31.46^s -46° 39' 17.4" P.A. 215.00 sep 6.7 mag 12.70,14.70

Coord 2000	20465-4639	Discov num	LDS 721	Comp		Coord arcsec 2000	20 46 31.46 -46 39 17.4
Date first	1920	Date last	2016	Obs	7
Pa first	225	Pa last	214.6	P.A. Now (θ)	214.6°
Sep first	7.0	Sep last	6.668	Sep. Now (ρ)	6.668"
Mag pri	12.70	Mag sec	14.70	delta mag (ΔM)	2	Spectral class
Pri motion ra	+046	Sec motion ra	+030
Pri motion dec	-061	Sec motion dec	-075
Notes

rPM=0.263 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Indus

Gaia DR2

6482695646560552832

WDS 20465-4639 LDS 721 : 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
20465-4639	LDS 721		1999	2	215	6.7	12.70	14.70		D	204631.46-463917.4
20465-4639	LDS 721		2010	4	216	5.9	12.70	14.70			204631.46-463917.4
20465-4639	LDS 721		2015	5	215	6.7	12.70	14.70			204631.46-463917.4
20465-4639	LDS 721		2016	7	215	6.7	12.70	14.70			204631.46-463917.4

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

WDS 20465-4639 LDS 721 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20465-4639 LDS 721 : MEASURES

No records found.

WDS 20465-4639 : VIRTUAL EYEPIECE

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WDS 20465-4639 : ALADIN DSS IMAGE @ 20^h 46^m 31.46^s -46° 39' 17.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20465-4639 LDS 721 : 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		20465-4639	LDS 721		215	6.7
Show		20459-4640	RST2156		245	0.6	7
Show		20495-4649	HU 1331		194	0.9	32
Show		20454-4554	RST1076		287	1.0	47
Show		20469-4730	UC 4285		90	20.0	51
Show		20476-4534	I 1427		211	0.6	67
Show		20531-4637	SKF1168		231	16.9	69
Show		20413-4725	CPO 617		165	4.8	71
Show		20485-4750	TDT2554		162	2.3	74
Show		20411-4549	SKF1166		147	20.8	76
Show		20545-4627	B 508		281	2.3	84
Show		20548-4636	I 1429	AB	147	1.1	86
Show		20402-4749	UC 4252		317	5.7	96
Show	Al nair	20376-4717	HJ 5209	AB	206	69.2	100
Show	Al nair	20376-4717	HJ 5209	AC	336	57.5	100
Show		20369-4630	KPP1368		296	10.3	101
Show		20533-4519	SKF1169		224	95.9	108
Show		20421-4825	SKF1167		253	84.3	113
Show		20377-4520	UC 4239		226	11.9	122
Show		20365-4533	I 41		356	2.3	124
Show		20529-4826	CPO9297		304	3.4	126
Show		20350-4559	UC 4223		99	51.7	126
Show		20358-4747	I 665		304	2.9	129
Show		20385-4821	BRT1113		211	4.6	131
Show		20452-4428	BRT1114		65	5.6	133
Show		20380-4828	WSP 88		147	16.3	139
Show		20333-4722	BRT1110		239	4.1	143
Show		20358-4815	BRT1112		145	4.8	146
Show		20327-4558	UC 4211		347	28.6	150
Show		20596-4746	I 1431			0.5	150
Show		20441-4412	KPP1048	AB	183	8.4	150
Show		20372-4445	TOK 369		245	0.5	151
Show		20568-4452	HDS2984		239	0.8	152
Show		20381-4846	UC 4241		189	44.7	153
Show		20591-4806	RST3273		49	1.0	155
Show		20385-4425	I 1424		226	2.4	158
Show		20343-4816	I 1423	AB	50	1.5	158
Show		20343-4816	TOI2244	AC	307	20.3	158
Show		20321-4742	I 1087	AB	95	3.5	160
Show		20321-4742	TOK 628	AC	120	999.9	160
Show		20568-4840	HU 1332		85	3.7	160
Show		20458-4920	HDS2956		294	12.8	162
Show		20485-4359	DON 992		291	5.2	162
Show		20533-4906	TDT2608		172	1.1	162
Show		20487-4359	DON 993	AB	332	12.2	163
Show		20487-4359	HJ 5222	AC	271	28.6	163
Show		20555-4426	I 1430		29	1.4	164
Show		20571-4439	LDS 729		106	220.3	164
Show		20427-4400	KPP3106		232	2.5	165
Show		21004-4519	HU 1533		51	4.3	166
Show		20322-4521	RST5470	AB	125	0.2	169

WDS 20465-4639 : COMPONENTS

	A
B	pa=205.3° sep=6.07"

20465-4639 A

Componente originario normalizzato	AB		Coord arcsec 2000	204631.46-463917.4		Mag	12.7		PmRA	46.00
PmDE	-61.0		DM	CD-4713550

20465-4639 B

Componente originario normalizzato	AB		Coord arcsec 2000	204631.21-463922.9		Mag	14.7		PmRA	30.00
PmDE	-75.0		Calc delta mag	2		Calc coord	yes