20391-4345 LDS 717

20^h 39^m 12.14^s -43° 44' 28.9" P.A. 308.00 sep 22.2 mag 12.40,13.00

Coord 2000	20391-4345	Discov num	LDS 717	Comp		Coord arcsec 2000	20 39 12.14 -43 44 28.9
Date first	1920	Date last	2015	Obs	5
Pa first	315	Pa last	308.4	P.A. Now (θ)	308.4°
Sep first	22.0	Sep last	22.158	Sep. Now (ρ)	22.158"
Mag pri	12.40	Mag sec	13.00	delta mag (ΔM)	0.6	Spectral class
Pri motion ra	+012	Sec motion ra	-002
Pri motion dec	-144	Sec motion dec	-140
Notes

rPM=0.101 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Gaia DR2

6676186087905510016

WDS 20391-4345 LDS 717 : 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
20391-4345	LDS 717		1999	2	309	22.1	12.40	13.00		D	203912.14-434428.9
20391-4345	LDS 717		2010	4	309	22.2	12.40	13.00			203912.14-434428.9
20391-4345	LDS 717		2015	5	308	22.2	12.40	13.00			203912.14-434428.9

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

WDS 20391-4345 LDS 717 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20391-4345 LDS 717 : MEASURES

No records found.

WDS 20391-4345 : VIRTUAL EYEPIECE

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WDS 20391-4345 : ALADIN DSS IMAGE @ 20^h 39^m 12.14^s -43° 44' 28.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20391-4345 LDS 717 : 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		20391-4345	LDS 717		308	22.2
Show		20400-4359	DON 990	AB	39	0.3	17
Show		20400-4359	DON 990	AC	292	7.0	17
Show		20427-4400	KPP3106		232	2.5	41
Show		20385-4425	I 1424		226	2.4	42
Show		20389-4253	AOT 88		55	15.8	52
Show		20381-4251	UC 4240		351	45.0	55
Show		20417-4253	TDT2475		303	1.0	59
Show		20441-4412	KPP1048	AB	183	8.4	60
Show		20372-4445	TOK 369		245	0.5	64
Show		20377-4236	UC 4238		182	83.6	71
Show		20339-4431	I 127	BC	209	0.6	73
Show		20356-4243	AOT 83		116	7.8	73
Show		20339-4431	I 127	AB	50	62.3	74
Show		20339-4431	DAM 325	AD	91	49.9	74
Show		20339-4431	DAM 325	AE	101	70.0	74
Show		20355-4241	AOT 82		201	4.2	76
Show		20452-4428	BRT1114		65	5.6	78
Show		20348-4244	AOT 80		246	11.1	78
Show		20409-4224	HJ 5211	AB	299	20.0	83
Show		20409-4224	I 1121	BC	243	9.3	83
Show		20351-4226	AOT 81		185	14.1	91
Show		20336-4457	KPP 626		123	5.7	95
Show		20377-4520	UC 4239		226	11.9	97
Show		20370-4208	AOT 86		303	9.1	100
Show		20344-4221	DON 988	AB	118	0.6	100
Show		20344-4221	DON 988	AB,C	89	23.2	100
Show		20485-4359	DON 992		291	5.2	102
Show		20345-4216	NSN 481		91	1.7	103
Show		20374-4202	CPO 89		284	16.0	105
Show		20487-4359	DON 993	AB	332	12.2	105
Show		20487-4359	HJ 5222	AC	271	28.6	105
Show		20365-4533	I 41		356	2.3	113
Show		20289-4402	HJ 5201		117	10.7	114
Show		20360-4147	AOT 84		137	18.9	123
Show		20322-4521	RST5470	AB	125	0.2	123
Show		20322-4521	HJ 5204	AB,C	35	6.2	123
Show		20411-4549	SKF1166		147	20.8	126
Show		20392-4131	KPP1483		59	11.1	134
Show		20267-4334	I 1420		358	0.3	136
Show		20280-4237	RSS 36		267	35.7	140
Show		20476-4534	I 1427		211	0.6	142
Show		20350-4559	UC 4223		99	51.7	142
Show		20454-4554	RST1076		287	1.0	146
Show		20258-4420	BRT1108		191	12.3	149
Show		20327-4558	UC 4211		347	28.6	151
Show		20400-4109	UC 4250		315	28.8	157
Show		20331-4116	BRT1111		162	4.3	164
Show		20369-4630	KPP1368		296	10.3	168
Show		20235-4404	WSP 110	AB	114	4.6	171
Show		20235-4404	WSP 110	AC	203	23.5	171

WDS 20391-4345 : COMPONENTS

	A
B	pa=317.6° sep=18.62"

20391-4345 A

Componente originario normalizzato	AB		Coord arcsec 2000	203912.14-434428.9		Mag	12.4		PmRA	12.00
PmDE	-144.0

20391-4345 B

Componente originario normalizzato	AB		Coord arcsec 2000	203910.98-434415.1		Mag	13		PmRA	-2.00
PmDE	-140.0		Calc delta mag	0.6		Calc coord	yes