20452-4428 BRT 1114

20^h 45^m 08.34^s -44° 27' 53.2" P.A. 65.00 sep 5.6 mag 11.29,11.90

Coord 2000	20452-4428	Discov num	BRT1114	Comp		Coord arcsec 2000	20 45 08.34 -44 27 53.2
Date first	1902	Date last	2015	Obs	6
Pa first	73	Pa last	64.8	P.A. Now (θ)	64.8°
Sep first	4.4	Sep last	5.609	Sep. Now (ρ)	5.609"
Mag pri	11.29	Mag sec	11.90	delta mag (ΔM)	0.61	Spectral class
Pri motion ra	-022	Sec motion ra	+107
Pri motion dec	-018	Sec motion dec	+043
Notes

rPM=1.237

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Tycho2

7975-01129-1

Gaia DR2

6675172033243823232

WDS 20452-4428 BRT 1114 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Brt1926a	Pa -	Barton, S.G.	1926AJ.....36..155B
Brt1926a		AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b	Pa j	Barton, S.G.	1926AJ.....37...57B
Brt1926b		AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928	Pa -	Barton, S.G.	1928AJ.....38..168B
Brt1928		AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a	Pa -	Barton, S.G.	1929AN....235..425B
Brt1929a		AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b	Pa -	Barton, S.G.	1929AJ.....39...93B
Brt1929b		AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c	Ma j	Barton, S.G.	1929AJ.....39..120B
Brt1929c		AJ 39, 120, 1929
Brt1930	Pa -	Barton, S.G.	1930AJ.....40..181B
Brt1930		AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931	Pa -	Barton, S.G. (BRT 349 - BRT 562)	1931AJ.....41...35B
Brt1931		AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a	Pa -	Barton, S.G.	1932AJ.....42...93B
Brt1932a		AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b	Ma -	Barton, S.G.	1932PFAO....5a...1B
Brt1932b	+Pa	Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C	Ma -	Barton, S.G.	1932QB821.A43......
Brt1932C		cited in ADS (Aitken Double Star Cat.), 1932
Brt1933	Pa -	Barton, S.G.	1933AN....250...49B
Brt1933		AN 250, 49, 1933
Brt1933		(BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933		secondary magnitudes and no astrometry)
Brt1934	Pa -	Barton, S.G.	1934AJ.....43..119B
Brt1934	+Ma	AJ 43, 119, 1934
Brt1935a	Pa -	Barton, S.G.	1935AJ.....44..105B
Brt1935a	+Ma	AJ 44, 105, 1935
Brt1935b	Pa -	Barton, S.G.	1935AN....256..357B
Brt1935b		AN 256, 357, 1935
Brt1936a	Ma -	Barton, S.G.	1936AJ.....45...33B
Brt1936a	+Pa	AJ 45, 33, 1936
Brt1936b	Pa -	Barton, S.G.	1936AJ.....45...99B
Brt1936b	+Ma	AJ 45, 99, 1936
Brt1937a	Pa -	Barton, S.G.	1937AN....263..347B
Brt1937a		AN 263, 347, 1937
Brt1937b	Pa -	Barton, S.G.	1937AN....263..383B
Brt1937b		AN 263, 383, 1937
Brt1938	Ma -	Barton, S.G.	1938AJ.....47..133B
Brt1938	+Pa	AJ 47, 133, 1938
Brt1939a	Ma -	Barton, S.G.	1939PFAO....5b...1B
Brt1939a	+Pa	Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b	Pa -	Barton, S.G.	1939AJ.....48..145B
Brt1939b	+Ma	AJ 48, 145, 1939
Brt1941	Pa -	Barton, S.G.	1941PASP...55..339B
Brt1941		PASP 55, 339, 1941
Brt1942	Pa -	Barton, S.G.	1942AJ.....50...11B
Brt1942		AJ 50, 11, 1942
Brt1947	Ma -	Barton, S.G.	1947AJ.....52..178B
Brt1947	+Pa	AJ 52, 178, 1947
Brt1949	Ma -	Barton, S.G.	1949PFAO....7a...1B
Brt1949		Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951	Pa -	Barton, S.G.	1951AJ.....55..218B
Brt1951		AJ 55, 218, 1951
Brt1957	Ma -	Barton, S.G.	1957QB4.P5v7ps3....
Brt1957		Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999	Ma -	Barton, S.G.	...................
Brt9999	+Pa	Unpublished, manuscript or reference not found.
Brt2002A	Ma -	Barton, S.G.	2002yCat.1275....0D
Brt2002A	+Pa	cited in CCDM

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20452-4428	BRT1114		1902	1	73	4.4	11.29	11.90			204508.34-442753.2
20452-4428	BRT1114		1998	2	67	5.6	11.29	11.90			204508.34-442753.2
20452-4428	BRT1114		2000	3	66	5.6	11.29	11.90			204508.34-442753.2
20452-4428	BRT1114		2010	5	65	5.6	11.29	11.90			204508.34-442753.2
20452-4428	BRT1114		2015	6	65	5.6	11.29	11.90			204508.34-442753.2

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

WDS 20452-4428 BRT 1114 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20452-4428 BRT 1114 : MEASURES

No records found.

WDS 20452-4428 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20452-4428 : ALADIN DSS IMAGE @ 20^h 45^m 08.34^s -44° 27' 53.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20452-4428 BRT 1114 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20452-4428	BRT1114		65	5.6
Show		20441-4412	KPP1048	AB	183	8.4	20
Show		20427-4400	KPP3106		232	2.5	39
Show		20485-4359	DON 992		291	5.2	46
Show		20487-4359	DON 993	AB	332	12.2	49
Show		20487-4359	HJ 5222	AC	271	28.6	49
Show		20400-4359	DON 990	AB	39	0.3	63
Show		20400-4359	DON 990	AC	292	7.0	63
Show		20385-4425	I 1424		226	2.4	71
Show		20476-4534	I 1427		211	0.6	71
Show		20391-4345	LDS 717		308	22.2	78
Show		20372-4445	TOK 369		245	0.5	87
Show		20454-4554	RST1076		287	1.0	87
Show		20411-4549	SKF1166		147	20.8	92
Show		20377-4520	UC 4239		226	11.9	95
Show		20533-4519	SKF1169		224	95.9	101
Show		20417-4253	TDT2475		303	1.0	103
Show		20555-4426	I 1430		29	1.4	112
Show		20365-4533	I 41		356	2.3	113
Show		20389-4253	AOT 88		55	15.8	117
Show		20339-4431	I 127	BC	209	0.6	120
Show		20339-4431	I 127	AB	50	62.3	121
Show		20339-4431	DAM 325	AD	91	49.9	121
Show		20339-4431	DAM 325	AE	101	70.0	121
Show		20381-4251	UC 4240		351	45.0	124
Show		20568-4452	HDS2984		239	0.8	127
Show		20336-4457	KPP 626		123	5.7	127
Show		20571-4439	LDS 729		106	220.3	130
Show		20465-4639	LDS 721		215	6.7	133
Show		20409-4224	HJ 5211	AB	299	20.0	133
Show		20459-4640	RST2156		245	0.6	133
Show		20409-4224	I 1121	BC	243	9.3	133
Show		20377-4236	UC 4238		182	83.6	138
Show		20578-4402	DON 995		252	2.0	139
Show		20350-4559	UC 4223		99	51.7	141
Show		20356-4243	AOT 83		116	7.8	147
Show		20322-4521	RST5470	AB	125	0.2	148
Show		20322-4521	HJ 5204	AB,C	35	6.2	148
Show		20495-4649	HU 1331		194	0.9	149
Show		20583-4345	I 1048		137	1.6	149
Show		20369-4630	KPP1368		296	10.3	150
Show		20355-4241	AOT 82		201	4.2	150
Show		20348-4244	AOT 80		246	11.1	154
Show		20531-4637	SKF1168		231	16.9	155
Show		20545-4627	B 508		281	2.3	156
Show		20327-4558	UC 4211		347	28.6	160
Show		20548-4636	I 1429	AB	147	1.1	164
Show		20351-4226	AOT 81		185	14.1	165
Show		20370-4208	AOT 86		303	9.1	166
Show		21008-4429	TDT2693		106	1.8	169
Show		20374-4202	CPO 89		284	16.0	169

WDS 20452-4428 : COMPONENTS

	A
B	pa=56.6° sep=4.34"

20452-4428 A

Componente originario normalizzato	AB		Coord arcsec 2000	204508.34-442753.2		Mag	11.29		PmRA	-22.00
PmDE	-18.0		Tycho2	7975-01129-1

Tycho2

Tycho2	7975-01129-1	Pflag		RAmdeg	311.28479758	DEmdeg	-44.46480294
PmRA	-10.1	PmDE	-15.7	E RAmdeg	52	E DEmdeg	57
E pmRA	2.2	E pmDE	2.1	EpRAm	1984.81	EpDEm	1982.11
Num	3	Q RAmdeg	0.1	Q DEmdeg	1.6	Q pmRA	0.0
Q pmDE	1.6	BTmag	12.116	E BTmag	0.125	VTmag	11.290
E VTmag	0.085	Prox	999	TYC	T	HIP
CCDM		RAdeg	311.28483056	DEdeg	-44.46476611	EpRA 1990	1.62
EpDE 1990	1.55	E RAdeg	53.8	E DEdeg	60.3	Posflg
Corr	-0.2

20452-4428 B

Componente originario normalizzato	AB		Coord arcsec 2000	204508.68-442750.8		Mag	11.9		PmRA	107.00
PmDE	43.0		Calc delta mag	0.61		Calc coord	yes