11118-3045 BRT 2985

11^h 11^m 45.71^s -30° 44' 56.1" P.A. 253.00 sep 4.5 mag 11.00,11.30 Sp F7V+F7V

Coord 2000	11118-3045	Discov num	BRT2985	Comp		Coord arcsec 2000	11 11 45.71 -30 44 56.1
Date first	1913	Date last	2018	Obs	8
Pa first	246	Pa last	252.6	P.A. Now (θ)	252.6°
Sep first	4.2	Sep last	4.46	Sep. Now (ρ)	4.46"
Mag pri	11.00	Mag sec	11.30	delta mag (ΔM)	0.3	Spectral class	F7V+F7V (yellow-white/yellow-white)
Pri motion ra	-010	Sec motion ra
Pri motion dec	010	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

Gaia DR2

5452216757547829376

WDS 11118-3045 BRT 2985 : NOTES

discov_num	notes	refcode
BRT2985	SWR 108.

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
11118-3045	BRT2985		1913	1	205	4.3	10.30	0.70	F7V F7V	N D	111145.71-304456.1
11118-3045	BRT2985		2000	4	252	4.8	11.00	11.30	F7V+F7V	N	111145.71-304456.1
11118-3045	BRT2985		2015	5	252	4.7	11.00	11.30	F7V+F7V	N	111145.71-304456.1
11118-3045	BRT2985		2018	7	253	4.5	11.00	11.30	F7V+F7V	N	111145.71-304456.1

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

WDS 11118-3045 BRT 2985 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 11118-3045 BRT 2985 : MEASURES

No records found.

WDS 11118-3045 : VIRTUAL EYEPIECE

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

WDS 11118-3045 : ALADIN DSS IMAGE @ 11^h 11^m 45.71^s -30° 44' 56.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 11118-3045 BRT 2985 : 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		11118-3045	BRT2985		253	4.5
Show		11118-3110	LDS5728		192	105.1	25
Show		11125-3118	B 2271		284	3.2	35
Show		11092-3002	WBB 2		16	0.3	55
Show		11097-2953	LDS5727		107	132.9	58
Show		11164-3032	DAW 100		327	1.9	62
Show		11144-2954	HJ 4418		255	7.4	62
Show		11105-3146	HDS1592		242	0.6	64
Show		11161-3011	RSS 259		74	11.7	67
Show		11170-3023	DAW 101		284	3.7	72
Show		11100-2936	HJ 4412		266	12.6	73
Show		11167-3007	I 1537	AB	21	1.0	75
Show		11167-3007	HJ 4422	AC	348	9.6	75
Show		11172-3110	RSS 260		236	1.7	75
Show		11085-2939	CVR1742		303	131.3	78
Show		11093-3208	LDS5726		112	30.1	90
Show		11071-3154	KPP 544		249	5.1	92
Show		11191-3100	I 506		173	0.8	96
Show		11188-3121	I 505		284	1.6	98
Show		11106-3234	I 213	AB	81	0.2	110
Show		11106-3234	I 213	AC	170	0.1	110
Show		11047-3205	I 1533		354	0.6	121
Show		11037-2941	HDS1577		3	10.7	123
Show		11105-3250	RST2727		9	2.4	126
Show		11218-3107	SKF1901		228	43.1	131
Show		11081-3248	LDS4063		37	26.0	132
Show		11219-3024	LDS5729		137	78.2	133
Show		11062-2850	LDS4059	AB	235	13.5	136
Show		11062-2850	WNO 26	AC	282	11.7	136
Show		11108-3300	RST2728		127	0.9	137
Show		11019-2952	SKF1898		127	39.2	139
Show		11225-3054	HJ 4428		134	23.1	139
Show		11148-2830	RST5353		74	0.1	141
Show		11214-2936	HDS1616		181	0.3	143
Show		11009-3116	RST1551		194	0.3	145
Show		11230-3054	HJ 4430		271	17.3	145
Show		11218-2936	LDS4089		106	22.4	147
Show		11041-3235	RST1559		132	0.4	148
Show		11100-2816	RST1561		9	2.3	151
Show		11214-3212	RST2742		113	0.8	151
Show		11148-2818	RSS 258		143	10.8	152
Show		10598-3055	RSS 252		296	9.3	154
Show		11240-3045	RUZ 7		135	6.6	159
Show		11235-3135	RST2745		192	0.3	160
Show		10596-3122	RST1549		270	1.8	161
Show		11035-3245	TRC 3		346	10.1	161
Show		11068-2817	LDS5725		84	264.0	161
Show		11202-2845	RST1575		283	0.7	163
Show		11087-2805	VSP 28		294	0.1	165
Show		10586-3102	B 1694		321	0.6	171
Show		11069-2803	TDS7672		330	0.5	174

WDS 11118-3045 : COMPONENTS

	A
B	pa=250.0° sep=3.89"

11118-3045 A

Componente originario normalizzato	AB		Coord arcsec 2000	111145.71-304456.1		Mag	11		Spectral class	F7V (yellow-white)
PmRA	-10.00		PmDE	10.0

CCDM

Ccdm	11118-3045	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.58	DDEs	3.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.6	Sp	K	PmNote	*
PmRA	-45	PmDE	-15	Dm number	-30 9016	Cat1	CD
Name2	202188	Cat2	SAO	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	11069S3012A
HIC

11118-3045 B

Componente originario normalizzato	AB		Coord arcsec 2000	111145.43-304457.4		Mag	11.3		Spectral class	F7V (yellow-white)
Calc delta mag	0.3		Calc coord	yes

CCDM

Ccdm	11118-3045	RComp		Comp	B	Note1
Note2		Discov num	BRT2985	DRAs		DDEs
R dRAs		Year	1913	Theta	205	Rho	4.3
Obs	1	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	11069S3012B
HIC