18034-2754 BRT 3056

18^h 03^m 26.78^s -27° 53' 44.2" P.A. 171.00 sep 4.5 mag 11.70,12.42 Sp B0

Coord 2000	18034-2754	Discov num	BRT3056	Comp		Coord arcsec 2000	18 03 26.78 -27 53 44.2
Date first	1913	Date last	2015	Obs	4
Pa first	177	Pa last	171.1	P.A. Now (θ)	171.1°
Sep first	4.7	Sep last	4.492	Sep. Now (ρ)	4.492"
Mag pri	11.70	Mag sec	12.42	delta mag (ΔM)	0.72	Spectral class	B0 (blue-white)
Pri motion ra	+002	Sec motion ra	-019
Pri motion dec	+017	Sec motion dec	+085
Notes	B (Blue magnitudes)

rPM=0.817

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6850-02594-1

Gaia DR2

4062904749799567488

WDS 18034-2754 BRT 3056 : 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
18034-2754	BRT3056		1998	2	168	4.5	11.70	12.42		DB	180326.78-275344.2
18034-2754	BRT3056		1999	3	171	4.5	11.70	12.42		DB	180326.78-275344.2
18034-2754	BRT3056		2015	4	171	4.5	11.70	12.42	B0	B	180326.78-275344.2

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

WDS 18034-2754 BRT 3056 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18034-2754 BRT 3056 : MEASURES

No records found.

WDS 18034-2754 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18034-2754 : ALADIN DSS IMAGE @ 18^h 03^m 26.78^s -27° 53' 44.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18034-2754 BRT 3056 : 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		18034-2754	BRT3056		171	4.5
Show		18029-2750	HDS2541	Aa,Ab	38	0.3	9
Show		18029-2750	B 2428	AB	42	9.6	9
Show		18035-2738	TDT 660		208	0.7	16
Show		18050-2806	J 1593		149	9.1	24
Show		18018-2805	RST2020		171	3.4	25
Show		18016-2740	TDT 641	AB	130	1.9	28
Show		18016-2740	STN 38	AC	87	6.3	28
Show		18045-2729	SKF2549		239	5.5	29
Show		18020-2731	STN 40	AB	161	2.4	30
Show		18020-2731	B 2850	AC	50	5.8	30
Show		18021-2820	BRT3055		48	4.9	31
Show		18009-2726	RST2018		343	1.8	44
Show		18004-2735	RST2016		121	0.9	45
Show		18007-2823	OCC9173		-1	0.0	47
Show		18032-2707	J 1592	AB	351	8.0	48
Show		18032-2707	J 1592	AC	12	21.2	48
Show		17598-2801	RST2015		197	0.8	50
Show		18028-2705	HLD 32	AB	101	5.2	50
Show		18028-2705	FOX 218	AC	67	41.9	50
Show		18051-2707	OCC 90		-1	0.1	52
Show		18050-2705	OCC 89		-1	0.1	54
Show		18053-2841	B 374		159	3.7	54
Show		18042-2846	BRT3058	AB	63	4.8	54
Show		18042-2846	AAQ 4	AC	37	5.8	54
Show		18005-2844	BRT3054		184	3.0	64
Show		17587-2808	TDT 608		245	1.3	65
Show		18060-2659	I 1017		84	2.1	65
Show		17597-2839	B 370		70	2.2	66
Show		18070-2706	OCC 88		-1	0.1	68
Show		18086-2752	BU 244	Ba,Bb	154	0.1	69
Show		18086-2752	BU 244	AB	270	2.2	69
Show		18035-2643	BRT3057		184	4.3	71
Show		17592-2708	OCC 703	Aa,Ab	-1	0.1	74
Show		17592-2708	B 368	AB	81	3.6	74
Show		17581-2816	BRT3052		77	5.2	74
Show		17592-2842	SKF2547		93	5.6	74
Show		18093-2809	ALD 67		17	1.9	79
Show		17589-2850	B 2848		227	4.9	82
Show		18068-2902	RST2031		130	6.8	82
Show		18014-2911	RST2019		165	0.5	83
Show		18069-2905	RSS 472		147	11.3	85
Show		17596-2903	SKF2548		74	7.7	86
Show		18101-2807	TDT 721		162	9.5	90
Show		17598-2637	BRT3053		154	4.3	90
Show		17567-2804	OCC 109		-1	0.1	90
Show		18106-2744	RST2034		275	2.0	96
Show		18028-2617	B 373		325	5.8	97
Show		17570-2708	OCC 801		-1	0.1	98
Show		17586-2909	RST2011		189	4.1	99
Show		18093-2856	SKF2550		201	55.8	100

WDS 18034-2754 : COMPONENTS

	A
B	pa=172.1° sep=4.48"

18034-2754 A

Componente originario normalizzato	AB		Coord arcsec 2000	180326.78-275344.2		Mag	11.7		Spectral class	B0 (blue-white)
PmRA	2.00		PmDE	17.0		Tycho2	6850-02594-1

Tycho2

Tycho2	6850-02594-1	Pflag		RAmdeg	270.86160732	DEmdeg	-27.89561724
PmRA	-0.1	PmDE	1.4	E RAmdeg	61	E DEmdeg	81
E pmRA	2.9	E pmDE	2.7	EpRAm	1985.62	EpDEm	1977.41
Num	3	Q RAmdeg	0.8	Q DEmdeg	3.5	Q pmRA	0.8
Q pmDE	3.5	BTmag	11.703	E BTmag	0.115	VTmag	10.946
E VTmag	0.109	Prox	117	TYC		HIP
CCDM		RAdeg	270.86160806	DEdeg	-27.89562028	EpRA 1990	1.89
EpDE 1990	1.93	E RAdeg	63.7	E DEdeg	89.5	Posflg
Corr	-0.2

18034-2754 B

Componente originario normalizzato	AB		Coord arcsec 2000	180326.83-275348.6		Mag	12.42		PmRA	-19.00
PmDE	85.0		Tycho2	6850-03074-1		Calc delta mag	0.72		Calc coord	yes

Tycho2

Tycho2	6850-03074-1	Pflag		RAmdeg	270.85525889	DEmdeg	-27.90261799
PmRA	1.6	PmDE	-5.4	E RAmdeg	76	E DEmdeg	100
E pmRA	3.1	E pmDE	2.9	EpRAm	1983.05	EpDEm	1972.45
Num	3	Q RAmdeg	0.8	Q DEmdeg	1.5	Q pmRA	0.8
Q pmDE	1.5	BTmag	11.847	E BTmag	0.123	VTmag	11.558
E VTmag	0.182	Prox	323	TYC		HIP
CCDM		RAdeg	270.85525500	DEdeg	-27.90260583	EpRA 1990	1.90
EpDE 1990	1.91	E RAdeg	80.9	E DEdeg	115.4	Posflg
Corr	-0.1