18388-1928 BRT 1541

18^h 38^m 46.39^s -19° 27' 30.3" P.A. 34.00 sep 4.2 mag 11.39,11.90

Coord 2000	18388-1928	Discov num	BRT1541	Comp		Coord arcsec 2000	18 38 46.39 -19 27 30.3
Date first	1919	Date last	2015	Obs	8
Pa first	30	Pa last	33.8	P.A. Now (θ)	33.8°
Sep first	4.2	Sep last	4.216	Sep. Now (ρ)	4.216"
Mag pri	11.39	Mag sec	11.90	delta mag (ΔM)	0.51	Spectral class
Pri motion ra	-003	Sec motion ra	-012
Pri motion dec	-007	Sec motion dec	-017
Notes	U (Proper motion indicates non-physical)

rPM=0.647

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6275-00866-1

Gaia DR2

4092412347728217088

WDS 18388-1928 BRT 1541 : 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
18388-1928	BRT1541		1998	4	34	4.2	11.39	11.90		D	183846.39-192730.3
18388-1928	BRT1541		2009	5	37	4.3	11.39	11.90		D	183846.39-192730.3
18388-1928	BRT1541		2010	8	29	3.3	11.39	11.90			183846.39-192730.3
18388-1928	BRT1541		2015	8	34	4.2	11.39	11.90			183846.39-192730.3

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

WDS 18388-1928 BRT 1541 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18388-1928 BRT 1541 : MEASURES

No records found.

WDS 18388-1928 : VIRTUAL EYEPIECE

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

WDS 18388-1928 : ALADIN DSS IMAGE @ 18^h 38^m 46.39^s -19° 27' 30.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18388-1928 BRT 1541 : 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		18388-1928	BRT1541		34	4.2
Show		18374-1917	ARA 758		270	9.1	22
Show		18371-1913	SEE 355		241	11.1	28
Show		18393-1859	ARA 760		60	5.6	31
Show		18412-1928	OCC9183		-1	0.2	35
Show		18388-1853	FEN 33		248	2.6	36
Show		18407-1957	ARA1158		68	6.6	41
Show		18362-1950	ARA 756		325	9.5	43
Show		18418-1909	J 2221	AB	254	7.5	46
Show		18418-1909	J 2221	AC	346	17.9	46
Show		18365-1847	OCC 970		-1	0.1	52
Show		18386-2020	DON 917		51	1.1	53
Show		18425-1943	ARA 761		242	6.9	55
Show		18349-1925	ARA 755		77	13.1	55
Show		18406-2016	ARA1157		356	9.5	55
Show		18391-2025	ARA1155		238	11.6	58
Show		18367-2019	HO 567		165	1.3	60
Show		18429-1917	OCC9184		-1	0.1	60
Show		18369-1833	LEO 19		251	3.2	61
Show		18340-1929	B 1887		283	2.2	68
Show		18393-2038	ARA1156		16	15.8	71
Show		18356-1833	RBR 10		320	4.9	71
Show		18406-2034	OCC1080		-1	0.0	72
Show		18386-1816	ARA 486		20	14.6	72
Show		18372-2039	DON 914		174	0.4	75
Show		18405-2040	OCC1079		-1	0.0	77
Show		18439-1954	STN 44		316	1.6	78
Show		18441-1954	ARA1160		184	8.4	80
Show		18331-1918	J 2215		267	6.0	82
Show		18429-1829	ARA 488		167	20.8	82
Show		18436-2013	DON 920		336	1.4	83
Show		18333-2003	ARA1153		295	12.5	85
Show		18398-2052	OCC1078		-1	0.7	87
Show		18325-1906	RST5116		67	3.0	93
Show		18325-1858	ARN 52	AB	262	70.0	94
Show		18325-1858	ANT 10	AC	256	65.8	94
Show		18395-2101	RST5121	AB	21	4.2	95
Show		18395-2101	HJ 2833	AC	314	21.8	95
Show		18325-1858	ANT 10	BC	138	8.2	95
Show		18336-2030	DON 911		348	2.1	96
Show		18389-2103	WSI 90	AB	138	0.0	96
Show		18389-2103	TNN 11	AC	340	5.0	96
Show		18389-2103	TNN 11	AD	30	6.4	96
Show		18378-2103	ARA1549		188	14.1	97
Show		18321-1906	RST3186		187	0.7	98
Show		18319-1915	TDT 930		194	1.2	99
Show		18319-1908	BU 966	AI	194	165.0	100
Show		18319-1908	BU 966	AR	90	77.0	100
Show		18319-1908	BU 966	AH	295	72.0	100
Show		18319-1908	BU 966	AG	254	429.6	100
Show		18319-1908	BU 966	AB	252	66.2	100

WDS 18388-1928 : COMPONENTS

	A
B	pa=32.3° sep=4.14"

18388-1928 A

Componente originario normalizzato	AB		Coord arcsec 2000	183846.39-192730.3		Mag	11.39		PmRA	-3.00
PmDE	-7.0		Tycho2	6275-00866-1

Tycho2

Tycho2	6275-00866-1	Pflag		RAmdeg	279.69328611	DEmdeg	-19.45842227
PmRA	-12.3	PmDE	-8.1	E RAmdeg	82	E DEmdeg	89
E pmRA	3.2	E pmDE	3.4	EpRAm	1981.11	EpDEm	1980.28
Num	3	Q RAmdeg	1.5	Q DEmdeg	0.1	Q pmRA	1.5
Q pmDE	0.1	BTmag	12.231	E BTmag	0.208	VTmag	11.393
E VTmag	0.137	Prox	45	TYC	T	HIP
CCDM		RAdeg	279.69331611	DEdeg	-19.45840333	EpRA 1990	1.69
EpDE 1990	1.61	E RAdeg	88.8	E DEdeg	97.4	Posflg
Corr	0.1

18388-1928 B

Componente originario normalizzato	AB		Coord arcsec 2000	183846.55-192726.8		Mag	11.9		PmRA	-12.00
PmDE	-17.0		Tycho2	6275-00866-2		Calc delta mag	0.51		Calc coord	yes

Tycho2

Tycho2	6275-00866-2	Pflag		RAmdeg	279.69409734	DEmdeg	-19.45741262
PmRA	-0.3	PmDE	-9.0	E RAmdeg	105	E DEmdeg	114
E pmRA	4.5	E pmDE	4.7	EpRAm	1983.09	EpDEm	1982.38
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.216	E BTmag	0.217	VTmag	11.898
E VTmag	0.250	Prox	45	TYC		HIP
CCDM		RAdeg	279.69409806	DEdeg	-19.45739167	EpRA 1990	1.69
EpDE 1990	1.60	E RAdeg	112.2	E DEdeg	122.1	Posflg
Corr	0.1