12112-3132 BRT 2992

12^h 11^m 13.04^s -31° 32' 10.5" P.A. 34.00 sep 2.7 mag 13.00,12.88

Coord 2000	12112-3132	Discov num	BRT2992	Comp		Coord arcsec 2000	12 11 13.04 -31 32 10.5
Date first	1913	Date last	2016	Obs	3
Pa first	59	Pa last	34.4	P.A. Now (θ)	34.4°
Sep first	3.5	Sep last	2.653	Sep. Now (ρ)	2.653"
Mag pri	13.00	Mag sec	12.88	delta mag (ΔM)	0.12	Spectral class
Pri motion ra	-028	Sec motion ra
Pri motion dec	-026	Sec motion dec
Notes	S B (Parallax indidates non-physical, Blue magnitudes)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

Gaia DR2

3472413924182475648

WDS 12112-3132 BRT 2992 : 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
12112-3132	BRT2992		1979	2	48	2.8	13.00	12.88		B	121113.04-313210.5
12112-3132	BRT2992		2016	3	34	2.7	13.00	12.88		S B	121113.04-313210.5

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

WDS 12112-3132 BRT 2992 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12112-3132 BRT 2992 : MEASURES

No records found.

WDS 12112-3132 : VIRTUAL EYEPIECE

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

WDS 12112-3132 : ALADIN DSS IMAGE @ 12^h 11^m 13.04^s -31° 32' 10.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12112-3132 BRT 2992 : 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		12112-3132	BRT2992		34	2.7
Show		12102-3104	RST1650		86	2.4	32
Show		12143-3113	TVB 250		333	15.0	44
Show		12147-3144	PRO 99		157	8.3	47
Show		12117-3036	HJ 4505	AB	276	10.1	57
Show		12117-3036	KNP 2	AC	116	37.3	57
Show		12066-3137	RUZ 2		7	5.6	59
Show		12153-3204	NSN 98	BC	332	2.4	60
Show		12155-3106	RST1658		193	0.5	61
Show		12153-3204	LDS4197	AB	344	163.1	62
Show		12153-3204	LDS4197	Aa,Ab	324	1.6	62
Show		12064-3145	TDS8224		189	0.6	64
Show		12064-3153	RST2778		205	0.4	65
Show		12115-3024	TDS8261		290	0.5	68
Show		12064-3217	TVB 248		2	14.3	77
Show		12106-3254	RST2783		86	1.8	83
Show		12109-3010	B 1208		294	4.2	83
Show		12070-3235	RST1645		47	2.6	83
Show		12062-3233	DAM 571		2	10.9	84
Show		12173-3204	TDS8302		85	0.4	85
Show		12046-3111	RSS 281	AB	160	8.6	88
Show		12057-3237	TSN 84		24	14.5	96
Show		12056-3237	KPP1884		252	14.7	98
Show		12093-3316	KPP2092		55	16.9	107
Show		12061-3258	HJ 4495	AB	319	5.7	108
Show		12061-3258	HJ 4495	AC	46	46.0	108
Show		12040-3037	DAW 137		88	2.2	108
Show		12185-3228	LDS4200		276	19.0	109
Show		12190-3042	KPP 268		322	3.4	113
Show		12039-3026	DAW 136		266	2.3	115
Show		12150-2946	I 81		343	2.7	117
Show		12025-3055	BRT2990		72	3.5	117
Show		12110-2934	BRT2991		132	5.4	118
Show		12187-3014	TDS8316		85	0.4	124
Show		12015-3123	TDS8177		267	0.5	125
Show		12053-2953	RST1643		66	2.0	126
Show		12180-3310	TDS8310		107	0.5	131
Show		12177-3314	JSP 525		242	1.0	131
Show		12160-2937	DAW 138		317	1.0	131
Show		12169-2942	LDS 400		199	6.7	131
Show		12147-3337	TDS8281		95	1.0	133
Show		12044-3316	LDS 381		173	15.5	136
Show		12011-3048	LDS5746		133	201.6	136
Show		12011-3222	COO 134		167	5.0	138
Show		12101-3349	OL 44		328	3.2	138
Show		12136-3348	HWE 72		159	1.2	139
Show		12213-3033	TOK 789		185	0.5	142
Show		12190-3318	HJ 4513		100	61.0	145
Show		12008-3230	RSS 277		185	4.7	145
Show		12208-3009	UC 2322		205	17.4	149
Show		12185-3331	SKF2116	BC	189	5.9	150

WDS 12112-3132 : COMPONENTS

	A
B	pa=30.3° sep=2.53"

12112-3132 A

Componente originario normalizzato	AB		Coord arcsec 2000	121113.04-313210.5		Mag	13		PmRA	-28.00
PmDE	-26.0

CCDM

Ccdm	12112-3132	RComp	Comp	A	Note1
Note2		Discov num	DRAs	1.02	DDEs	-10.5
R dRAs	66	Year	Theta		Rho
Obs	2	Vmag	Sp		PmNote
PmRA		PmDE	Dm number	-30 9734	Cat1	CD
Name2		Cat2	HD		M HD
ADS BDS		M ADS BDS	N IDS		IDS	12060S3059A
HIC

12112-3132 B

Componente originario normalizzato	AB		Coord arcsec 2000	121113.14-313208.3		Mag	12.88		Calc delta mag	0.12
Calc coord	yes

CCDM

Ccdm	12112-3132	RComp		Comp	B	Note1
Note2		Discov num	BRT2992	DRAs		DDEs
R dRAs		Year	1913	Theta	059	Rho	3.5
Obs	1	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12060S3059B
HIC