18017-4442 BRT 1012

18^h 01^m 45.86^s -44° 42' 19.1" P.A. 201.00 sep 5.7 mag 11.73,12.90

Coord 2000	18017-4442	Discov num	BRT1012	Comp		Coord arcsec 2000	18 01 45.86 -44 42 19.1
Date first	1905	Date last	2015	Obs	5
Pa first	217	Pa last	200.8	P.A. Now (θ)	200.8°
Sep first	4.1	Sep last	5.744	Sep. Now (ρ)	5.744"
Mag pri	11.73	Mag sec	12.90	delta mag (ΔM)	1.17	Spectral class
Pri motion ra	+012	Sec motion ra	-036
Pri motion dec	+022	Sec motion dec	-102
Notes

rPM=1.229

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Austrina

Tycho2

7911-02275-1

Gaia DR2

6723884281029695616

WDS 18017-4442 BRT 1012 : 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
18017-4442	BRT1012		1905	2	215	3.3	11.73	12.90			180145.86-444219.1
18017-4442	BRT1012		1998	3	203	5.6	11.73	12.90			180145.86-444219.1
18017-4442	BRT1012		1999	4	203	5.6	11.73	12.90			180145.86-444219.1
18017-4442	BRT1012		2015	5	201	5.7	11.73	12.90			180145.86-444219.1

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

WDS 18017-4442 BRT 1012 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18017-4442 BRT 1012 : MEASURES

No records found.

WDS 18017-4442 : VIRTUAL EYEPIECE

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

WDS 18017-4442 : ALADIN DSS IMAGE @ 18^h 01^m 45.86^s -44° 42' 19.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18017-4442 BRT 1012 : 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		18017-4442	BRT1012		201	5.7
Show		18050-4445	FIN 9		193	1.4	35
Show		17585-4459	LDS 618		358	49.8	39
Show		17599-4517	CBL 165		193	14.2	41
Show		18047-4522	BRT1016		126	4.6	51
Show		17583-4407	BRT1006		133	3.8	52
Show		18046-4534	B 2429		339	12.8	60
Show		17581-4527	DON 872		97	3.9	60
Show		17584-4532	CPO 566		103	3.4	61
Show		18076-4431	BRT1019		3	4.2	64
Show		18012-4550	I 1112	CD	337	13.7	68
Show		18012-4550	I 1112	AB	231	21.4	68
Show		18012-4550	I 1112	AC	56	20.4	68
Show		18012-4550	HJ 5005	AE	75	32.0	68
Show		18012-4550	HJ 5005	AD	26	26.7	68
Show		17587-4543	CPO9254		7	4.2	69
Show		18074-4409	B 2432		245	12.5	69
Show		18081-4428	BRT1021		138	3.1	69
Show		18064-4533	TDT 686		258	0.7	71
Show		17599-4551	BRT1007		50	4.9	71
Show		18037-4552	SKF1421		92	16.4	73
Show		17569-4535	TDT 592		290	2.6	74
Show		18030-4328	SEE 345		139	15.3	76
Show		18086-4423	BRT1023		225	7.4	76
Show		18028-4601	B 1874	AB	309	2.8	80
Show		18028-4601	B 1874	AC	101	9.6	80
Show		17572-4546	HDS2529		127	14.2	81
Show		18007-4321	LDS 620		331	3.4	81
Show		18094-4445	BRT1024		233	5.7	82
Show		17541-4414	BRT1002		154	4.7	87
Show		17555-4544	CPO 563		81	4.9	91
Show		18094-4522	SKF1083		206	2.6	91
Show		18096-4400	KPP4087		355	1.1	95
Show		18068-4325	HJ 5014			1.8	95
Show		17591-4312	DON 874		61	1.6	95
Show		18085-4546	HJ 5015		258	4.3	96
Show		17589-4310	DON 873		57	0.2	98
Show		17570-4607	CBL 164		207	11.2	99
Show		18105-4411	BRT1027		141	3.8	99
Show		18044-4306	DON 880		178	3.3	101
Show		18115-4435	DON 884		188	6.5	104
Show		18112-4418	HDS2566		53	18.1	104
Show		17551-4327	TDT 569		105	2.3	105
Show		18002-4258	WFC 204		291	7.8	106
Show		18117-4500	CPO 574	BC	57	7.5	108
Show		18117-4500	CPO 574	AC	189	3.9	108
Show		17554-4607	TDT 574		35	0.8	109
Show		18045-4627	HU 1525		309	0.4	109
Show		17556-4313	BRT1004		294	3.4	111
Show		18036-4253	DON 879		278	2.0	112
Show		18055-4628	BRT1017		115	5.2	113

WDS 18017-4442 : COMPONENTS

	A
B	pa=195.1° sep=5.56"

18017-4442 A

Componente originario normalizzato	AB		Coord arcsec 2000	180145.86-444219.1		Mag	11.73		PmRA	12.00
PmDE	22.0		Tycho2	7911-02275-1

Tycho2

Tycho2	7911-02275-1	Pflag		RAmdeg	270.44111001	DEmdeg	-44.70531772
PmRA	6.9	PmDE	4.4	E RAmdeg	72	E DEmdeg	89
E pmRA	2.1	E pmDE	2.2	EpRAm	1975.54	EpDEm	1961.72
Num	4	Q RAmdeg	0.8	Q DEmdeg	2.1	Q pmRA	0.8
Q pmDE	2.1	BTmag	13.081	E BTmag	0.310	VTmag	11.734
E VTmag	0.156	Prox	823	TYC		HIP
CCDM		RAdeg	270.44108778	DEdeg	-44.70532778	EpRA 1990	1.76
EpDE 1990	1.71	E RAdeg	79.5	E DEdeg	110.3	Posflg
Corr	0.0

18017-4442 B

Componente originario normalizzato	AB		Coord arcsec 2000	180145.72-444224.5		Mag	12.9		PmRA	-36.00
PmDE	-102.0		Calc delta mag	1.17		Calc coord	yes