19575-2108 BRT 1557

19^h 57^m 28.45^s -21° 08' 21.8" P.A. 190.00 sep 2.8 mag 12.57,12.85

Coord 2000	19575-2108	Discov num	BRT1557	Comp		Coord arcsec 2000	19 57 28.45 -21 08 21.8
Date first	1922	Date last	2016	Obs	3
Pa first	197	Pa last	190	P.A. Now (θ)	190°
Sep first	1.9	Sep last	2.764	Sep. Now (ρ)	2.764"
Mag pri	12.57	Mag sec	12.85	delta mag (ΔM)	0.28	Spectral class
Pri motion ra	+016	Sec motion ra
Pri motion dec	+032	Sec motion dec
Notes	B (Blue magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

6864595037486538624

WDS 19575-2108 BRT 1557 : 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
19575-2108	BRT1557		1922	1	197	1.9	12.57	12.85		B	195728.45-210821.8
19575-2108	BRT1557		2015	2	190	2.8	12.57	12.85		B	195728.45-210821.8
19575-2108	BRT1557		2016	3	190	2.8	12.57	12.85		B	195728.45-210821.8

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

WDS 19575-2108 BRT 1557 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19575-2108 BRT 1557 : MEASURES

No records found.

WDS 19575-2108 : VIRTUAL EYEPIECE

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

WDS 19575-2108 : ALADIN DSS IMAGE @ 19^h 57^m 28.45^s -21° 08' 21.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19575-2108 BRT 1557 : 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		19575-2108	BRT1557		190	2.8
Show		19579-2056	ARA1575		344	10.5	14
Show		19559-2103	ARA1573		207	8.9	23
Show		19578-2132	CRI 25	AB	3	10.3	24
Show		19578-2132	SKF 442	AC	333	3.8	24
Show		19563-2138	LDS 694		212	10.2	35
Show		19567-2029	DON 973		348	4.3	42
Show		19592-2155	LDS 697		315	41.7	53
Show		19535-2054	ARA1572		255	9.0	58
Show		19552-2021	HLD 36		219	1.3	58
Show		19536-2048	LDS4822		267	45.3	59
Show		19562-2206	BRT1556		35	3.5	61
Show		19531-2126	HJ 2902		31	16.2	64
Show		20023-2124	LDS4828		105	42.0	69
Show		19537-2022	UC 4046		106	64.0	71
Show		20007-2204	KPP1108		355	8.8	72
Show		20020-2029	TDT1924		243	0.9	76
Show		20030-2040	DON 975		122	0.9	82
Show		20029-2026	LDS 700		129	12.6	88
Show		19548-1949	GWP2907		141	108.3	89
Show		19587-2237	TDS1029		239	1.3	91
Show		19597-1940	LDS4827		253	15.1	94
Show		19512-2030	TDT1804		242	0.5	96
Show		20031-2207	TDT1937		131	1.1	99
Show		19512-2023	SHN 240		-1	0.3	99
Show		19541-1930	ARA 793		246	11.7	110
Show		19501-2034	TDT1788		228	0.6	110
Show		20049-2034	BRT1559		268	4.9	111
Show		20032-2229	BRT1558		113	4.1	114
Show		20032-1940	KPP 620		355	5.7	121
Show		19524-2246	OCC 188		-1	0.5	121
Show		19574-1907	TDT1875		255	0.6	122
Show		19488-2129	TDS1016		270	0.8	124
Show		19536-1912	DAM 183		248	7.0	129
Show		20062-2159	UC 4084		284	44.4	132
Show		19480-2057	HDS2815		19	0.2	134
Show		20068-2034	HU 759		296	0.5	136
Show		19491-2000	RST5144		124	2.9	136
Show		19528-2309	OCC 189		-1	0.1	138
Show		20046-2247	TDT1953		253	0.4	140
Show		19598-1852	J 1767		173	7.6	142
Show		19549-2325	ARA2268		2	2.6	142
Show		19475-2150	STN 49		336	1.4	146
Show		19480-2211	DON 968		232	1.8	146
Show		20030-2314	B 464		231	0.5	148
Show		20058-1939	DON 978		106	0.5	148
Show		19490-2236	DON 969		12	1.9	148
Show		19506-1917	HJ 2900		63	19.4	148
Show		19537-2327	UC 4047		224	54.9	149
Show		19546-1914	HJ 1446		54	16.9	152
Show		19496-2254	UC 4031		286	25.5	153

WDS 19575-2108 : COMPONENTS

	A
B	pa=189.3° sep=2.76"

19575-2108 A

Componente originario normalizzato	AB		Coord arcsec 2000	195728.45-210821.8		Mag	12.57		PmRA	16.00
PmDE	32.0

19575-2108 B

Componente originario normalizzato	AB		Coord arcsec 2000	195728.42-210824.5		Mag	12.85		Calc delta mag	0.28
Calc coord	yes