18030-0253 BRT 474

18^h 02^m 59.35^s -02° 52' 52.9" P.A. 52.00 sep 4.6 mag 11.50,11.60

Coord 2000	18030-0253	Discov num	BRT 474	Comp		Coord arcsec 2000	18 02 59.35 -02 52 52.9
Date first	1897	Date last	2015	Obs	6
Pa first	59	Pa last	51.9	P.A. Now (θ)	51.9°
Sep first	4.7	Sep last	4.578	Sep. Now (ρ)	4.578"
Mag pri	11.50	Mag sec	11.60	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-003	Sec motion ra	+029
Pri motion dec	-010	Sec motion dec	+007
Notes

rPM=1.215

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Serpens

Tycho2

5100-00305-1

Gaia DR2

4177934144470265728

WDS 18030-0253 BRT 474 : 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
18030-0253	BRT 474		1999	3	52	4.5	11.50	11.60		D	180259.35-025252.9
18030-0253	BRT 474		2000	4	52	4.6	11.50	11.60		D	180259.35-025252.9
18030-0253	BRT 474		2015	5	52	4.6	11.50	11.60			180259.35-025252.9

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

WDS 18030-0253 BRT 474 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18030-0253 BRT 474 : MEASURES

No records found.

WDS 18030-0253 : VIRTUAL EYEPIECE

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

WDS 18030-0253 : ALADIN DSS IMAGE @ 18^h 02^m 59.35^s -02° 52' 52.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18030-0253 BRT 474 : 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		18030-0253	BRT 474		52	4.6
Show		18030-0237	A 35	AB	297	1.4	17
Show		18030-0237	GII 257	Aa,Ab	286	0.1	17
Show		18027-0236	RST4581		218	0.6	18
Show		18018-0258	HTP 46	AB	172	8.8	19
Show		18018-0258	HTP 46	AC	136	8.4	19
Show		18018-0258	HTP 46	AD	109	10.9	19
Show		18018-0258	HTP 46	AE	259	12.9	19
Show		18018-0258	HTP 46	AF	354	13.9	19
Show		18018-0258	HTP 46	AG	255	14.0	19
Show		18018-0258	HTP 46	AH	312	14.3	19
Show		18018-0258	HTP 46	AI	61	14.5	19
Show		18018-0258	HTP 46	AJ	156	16.8	19
Show		18018-0258	HTP 46	AK	115	17.5	19
Show		18018-0258	HTP 46	AL	197	18.7	19
Show		18018-0258	HTP 46	AM	135	19.4	19
Show		18018-0258	HTP 46	AN	74	19.8	19
Show		18018-0258	HTP 46	AO	251	21.3	19
Show		18018-0258	HTP 46	AP	52	21.4	19
Show		18018-0258	HTP 46	AQ	54	25.1	19
Show		18035-0205	TDS 900		47	0.8	49
Show		17593-0244	KPP1353		189	10.2	56
Show		17589-0331	HDS2536		8	0.2	73
Show		17594-0344	RST4580		34	0.8	75
Show		18040-0135	BAL 579		359	7.1	79
Show		17579-0223	BRT 472		118	3.7	82
Show		18018-0133	GWP2757		273	84.1	82
Show		17585-0350	RST4579		143	0.1	89
Show		18099-0302	BRT 475		60	2.9	104
Show		18004-0432	SUB 8		234	23.7	107
Show		18057-0433	HJ 5016		88	12.2	108
Show		17577-0134	KPP2769		267	2.3	112
Show		17587-0428	BRT 473		119	1.8	115
Show		18065-0109	HDS2552		325	0.2	116
Show		18063-0443	TDT 684		244	0.5	121
Show		18078-0431	NSN 143		81	7.7	122
Show		17545-0328	TOK 612		191	597.9	132
Show		17548-0150	RST5096		166	0.5	138
Show		17591-0503	LSC 82		150	0.5	143
Show		18126-0329	A 83		303	0.8	149
Show		17530-0215	STF2235		124	20.3	155
Show		17535-0355	TOK 54		265	0.1	155
Show		18133-0324	RST4583		86	0.4	158
Show		17599-0525	A 34		290	1.4	160
Show		18057-0537	J 3269		65	6.4	169
Show		17519-0329	LEO 14	AB	75	1.1	171
Show		17519-0329	LEO 14	AC	250	61.1	171
Show		17525-0359	RST4578	AB	14	2.2	171
Show		17525-0359	GII 253	Aa,Ab	151	0.1	171
Show		17556-0503	RST5545	AB	283	1.0	172
Show		17556-0503	GII 255	Aa,Ab	156	0.1	172

WDS 18030-0253 : COMPONENTS

	A
B	pa=51.9° sep=4.57"

18030-0253 A

Componente originario normalizzato	AB		Coord arcsec 2000	180259.35-025252.9		Mag	11.5		PmRA	-3.00
PmDE	-10.0		Tycho2	5100-00305-1

Tycho2

Tycho2	5100-00305-1	Pflag		RAmdeg	270.74731803	DEmdeg	-2.88138582
PmRA	14.8	PmDE	0.6	E RAmdeg	66	E DEmdeg	80
E pmRA	1.8	E pmDE	1.9	EpRAm	1975.43	EpDEm	1967.19
Num	3	Q RAmdeg	0.8	Q DEmdeg	0.0	Q pmRA	0.8
Q pmDE	0.0	BTmag	11.921	E BTmag	0.143	VTmag	11.285
E VTmag	0.124	Prox	999	TYC		HIP
CCDM		RAdeg	270.74728444	DEdeg	-2.88138722	EpRA 1990	1.82
EpDE 1990	1.73	E RAdeg	71.5	E DEdeg	91.6	Posflg
Corr	-0.1

18030-0253 B

Componente originario normalizzato	AB		Coord arcsec 2000	180259.59-025250.1		Mag	11.6		PmRA	29.00
PmDE	7.0		Calc delta mag	0.1		Calc coord	yes