12579-2232 BRT 1487

12^h 57^m 54.65^s -22° 32' 02.2" P.A. 166.00 sep 3.9 mag 11.50,12.40

Coord 2000	12579-2232	Discov num	BRT1487	Comp		Coord arcsec 2000	12 57 54.65 -22 32 02.2
Date first	1920	Date last	2016	Obs	8
Pa first	160	Pa last	166.2	P.A. Now (θ)	166.2°
Sep first	3.6	Sep last	3.949	Sep. Now (ρ)	3.949"
Mag pri	11.50	Mag sec	12.40	delta mag (ΔM)	0.9	Spectral class
Pri motion ra	-045	Sec motion ra	-016
Pri motion dec	+060	Sec motion dec	-059
Notes

rPM=1.633

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Virgo

Tycho2

6697-00405-1

Gaia DR2

3499220322610397952

WDS 12579-2232 BRT 1487 : 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
12579-2232	BRT1487		1922	3	175	3.1	11.50	12.40			125754.65-223202.2
12579-2232	BRT1487		1999	4	166	4.0	11.50	12.40			125754.65-223202.2
12579-2232	BRT1487		2015	6	166	3.9	11.50	12.40			125754.65-223202.2
12579-2232	BRT1487		2016	8	166	3.9	11.50	12.40			125754.65-223202.2

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

WDS 12579-2232 BRT 1487 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12579-2232 BRT 1487 : MEASURES

No records found.

WDS 12579-2232 : VIRTUAL EYEPIECE

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

WDS 12579-2232 : ALADIN DSS IMAGE @ 12^h 57^m 54.65^s -22° 32' 02.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12579-2232 BRT 1487 : 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		12579-2232	BRT1487		166	3.9
Show		12582-2303	TOK 563	AB	105	999.9	32
Show		12577-2249	LDS4300		47	26.9	43
Show		13021-2224	B 1726	A,BC	158	15.3	59
Show		13021-2224	B 1726	BC	236	0.8	60
Show		13002-2335	DON 571		280	1.6	71
Show		12530-2302	UC 2422		335	18.3	74
Show		13015-2134	ARA1482		61	12.6	77
Show		13034-2200	LDS4310	AB	102	26.7	83
Show		13034-2200	LDS4310	Aa,Ab	293	1.2	83
Show		13002-2355	I 1225		179	0.1	89
Show		12583-2403	DON 569		263	1.3	92
Show		13042-2153	UC 2466		45	31.3	96
Show		13048-2200	WIS 216		38	217.0	101
Show		13023-2111	UC 2457		315	76.8	102
Show		13055-2247	NSC 27		358	5.0	106
Show		13056-2204	I 915		66	0.2	111
Show		12506-2330	ARA1796		165	14.1	116
Show		13032-2403	WIS 215		64	970.2	117
Show		13070-2234	UC 2486		37	39.1	126
Show		12506-2117	STN 25		182	13.1	128
Show		13054-2119	KPP2416		249	21.0	128
Show		12506-2355	UC 2414		168	11.9	131
Show		13054-2103	VVO 11		53	160.7	138
Show		13016-2440	B 2306		77	11.6	138
Show		12478-2255	KPP3880		128	1.9	142
Show		13038-2035	BU 341		130	0.2	143
Show		13067-2111	HJ 2637		256	56.4	148
Show		12520-2442	B 235		63	2.7	154
Show		13081-2335	HDS1838		79	0.3	155
Show		13030-2011	B 2307		52	1.5	159
Show		12464-2203	I 515		302	10.2	163
Show		13097-2212	TOK 28		291	0.3	165
Show		12541-2509	KPP 280		306	4.8	166
Show		13094-2331	LDT 6		103	1.2	169
Show		12485-2426	ARA2183		222	8.0	172
Show		12558-1940	GWP1879		310	66.1	175
Show		12473-2059	ARA1098		75	10.3	175
Show		12545-1942	UC 2429		351	8.2	177
Show		13108-2212	HU 1145		173	1.0	180
Show		13097-2354	KPP2728		211	3.0	182
Show		12527-2519	TDS8568		330	0.8	183
Show		13002-1929	B 2740		117	9.7	186
Show		12543-2532	DON 562		237	1.7	187
Show		12489-2013	B 2301		109	0.7	188
Show		12446-2315	HDS1784		45	0.5	189
Show		12465-2051	RST2814	AB	292	0.1	189
Show		13051-1951	TDS8682		66	1.9	190
Show		12482-2448	HJ 4551		305	12.0	191
Show		13052-1944	UC 2474		317	6.1	197
Show		12443-2334	KPP2276		87	19.2	198

WDS 12579-2232 : COMPONENTS

	A
B	pa=167.2° sep=3.93"

12579-2232 A

Componente originario normalizzato	AB		Coord arcsec 2000	125754.65-223202.2		Mag	11.5		PmRA	-45.00
PmDE	60.0		Tycho2	6697-00405-1

Tycho2

Tycho2	6697-00405-1	Pflag		RAmdeg	194.47772925	DEmdeg	-22.53397096
PmRA	-41.8	PmDE	17.9	E RAmdeg	69	E DEmdeg	81
E pmRA	2.9	E pmDE	3.1	EpRAm	1982.16	EpDEm	1979.80
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.3	Q pmRA	0.3
Q pmDE	0.3	BTmag	12.838	E BTmag	0.226	VTmag	11.850
E VTmag	0.145	Prox	999	TYC		HIP
CCDM		RAdeg	194.47783528	DEdeg	-22.53401250	EpRA 1990	1.57
EpDE 1990	1.63	E RAdeg	74.4	E DEdeg	89.2	Posflg
Corr	0.4

CCDM

Ccdm	12579-2232	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.73	DDEs	-4.3
R dRAs	66	Year		Theta		Rho
Obs	2	Vmag	11.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12526S2200A
HIC

12579-2232 B

Componente originario normalizzato	AB		Coord arcsec 2000	125754.71-223206.0		Mag	12.4		PmRA	-16.00
PmDE	-59.0		Calc delta mag	0.9		Calc coord	yes

CCDM

Ccdm	12579-2232	RComp		Comp	B	Note1
Note2		Discov num	BRT1487	DRAs		DDEs
R dRAs		Year	1920	Theta	168	Rho	3.4
Obs	1	Vmag	12.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12526S2200B
HIC