21136-3703 BRT 1817

21^h 13^m 36.54^s -37° 03' 04.4" P.A. 61.00 sep 3.6 mag 10.40,12.40 Sp G5

Coord 2000	21136-3703	Discov num	BRT1817	Comp		Coord arcsec 2000	21 13 36.54 -37 03 04.4
Date first	1913	Date last	2018	Obs	6
Pa first	35	Pa last	61.2	P.A. Now (θ)	61.2°
Sep first	2.6	Sep last	3.555	Sep. Now (ρ)	3.555"
Mag pri	10.40	Mag sec	12.40	delta mag (ΔM)	2	Spectral class	G5 (yellow)
Pri motion ra	+041	Sec motion ra
Pri motion dec	-013	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Tycho2

7484-00521-1

Gaia DR2

6775893139503795072

WDS 21136-3703 BRT 1817 : 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
21136-3703	BRT1817		1986	3	64	3.4	10.40	12.40	G5		211336.54-370304.4
21136-3703	BRT1817		2015	4	61	3.5	10.40	12.40	G5		211336.54-370304.4
21136-3703	BRT1817		2018	5	61	3.6	10.40	12.40	G5		211336.54-370304.4

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

WDS 21136-3703 BRT 1817 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21136-3703 BRT 1817 : MEASURES

No records found.

WDS 21136-3703 : 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 21136-3703 : ALADIN DSS IMAGE @ 21^h 13^m 36.54^s -37° 03' 04.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21136-3703 BRT 1817 : 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		21136-3703	BRT1817		61	3.6
Show		21111-3717	COO 242		239	5.2	33
Show		21114-3627	KPP2046		331	16.4	45
Show		21097-3725	TDT2796		263	0.6	52
Show		21087-3715	B 1895		119	0.9	60
Show		21176-3619	UC 4431		146	15.1	66
Show		21121-3811	HJ 5249		327	23.1	70
Show		21145-3551	UC 4418		283	8.9	73
Show		21087-3612	UC 4388		178	73.1	79
Show		21068-3631	I 301		335	3.7	88
Show		21209-3639	B 1006		151	5.7	91
Show		21143-3835	B 520	AB	252	0.8	92
Show		21143-3835	HJ 5253	AC	183	10.4	92
Show		21200-3557	UC 4443		249	24.4	102
Show		21220-3733	B 525		171	0.9	105
Show		21163-3845	LDS 737		157	7.2	108
Show		21187-3835	NSN 467		290	36.2	110
Show		21140-3858	TDT2844		69	0.5	115
Show		21232-3653	SUB 9		168	49.6	116
Show		21065-3826	KIR 23		143	42.8	119
Show		21075-3842	WG 266		299	3.4	123
Show		21236-3734	TDT2941		97	0.4	124
Show		21225-3600	RST3284		180	0.6	125
Show		21221-3818	HDS3042		126	0.2	126
Show		21232-3800	LDS 741		290	8.9	127
Show		21034-3748	TDT2717		255	0.7	130
Show		21208-3847	CVN 110	AB	25	7.0	135
Show		21176-3914	SEE 442		40	4.9	140
Show		21224-3529	BRT1819		78	3.3	141
Show		21156-3927	HJ 5254	A,BC	191	57.8	146
Show		21156-3927	B 521	BC	50	0.5	147
Show		21251-3812	RST5478		126	1.4	153
Show		21132-3429	HDS3021		173	0.3	154
Show		21142-3936	WG 267		318	10.0	154
Show		21125-3430	UC 4403		263	32.6	155
Show		21088-3927	CRU9015		88	23.6	155
Show		21265-3728	KPP 623		60	5.7	156
Show		21165-3431	BRT1818		185	3.3	157
Show		21030-3838	UC 4365		207	99.7	158
Show		21029-3839	KPP4221	CD	265	4.5	160
Show		21271-3700	BRT1820		99	4.0	160
Show		21223-3500	HJ 5264		47	16.3	162
Show		21196-3929	I 1438		57	3.8	162
Show		21263-3801	B 2494		324	8.2	163
Show		21103-3424	KPP 629		190	5.8	164
Show		21265-3608	NSN 468		163	2.6	165
Show		20595-3718	JSP 820		247	1.4	170
Show		21178-3945	CRU9019	AB	230	117.1	170
Show		21178-3945	CRU9019	AC	62	62.8	170
Show		21178-3945	TDT2890	Ba,Bb	252	0.5	171
Show		21157-3414	RST3280		28	1.8	172

WDS 21136-3703 : COMPONENTS

	A
B	pa=55.4° sep=3.02"

21136-3703 A

Componente originario normalizzato	AB		Coord arcsec 2000	211336.54-370304.4		Mag	10.4		Spectral class	G5 (yellow)
PmRA	41.00		PmDE	-13.0		Tycho2	7484-00521-1

Tycho2

Tycho2	7484-00521-1	Pflag		RAmdeg	318.40228042	DEmdeg	-37.05123088
PmRA	0.0	PmDE	-5.0	E RAmdeg	41	E DEmdeg	46
E pmRA	2.4	E pmDE	2.4	EpRAm	1987.97	EpDEm	1986.82
Num	3	Q RAmdeg	0.5	Q DEmdeg	0.6	Q pmRA	0.5
Q pmDE	0.5	BTmag	11.527	E BTmag	0.084	VTmag	10.554
E VTmag	0.057	Prox	999	TYC	T	HIP
CCDM		RAdeg	318.40228028	DEdeg	-37.05121944	EpRA 1990	1.76
EpDE 1990	1.91	E RAdeg	42.0	E DEdeg	47.9	Posflg
Corr	-0.1

CCDM

Ccdm	21136-3703	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.01	DDEs	-4.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.4	Sp	G5	PmNote	*
PmRA	85	PmDE	-10	Dm number	-3714172	Cat1	CD
Name2	212804	Cat2	SAO	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21073S3728A
HIC

21136-3703 B

Componente originario normalizzato	AB		Coord arcsec 2000	211336.75-370302.7		Mag	12.4		Calc delta mag	2
Calc coord	yes

CCDM

Ccdm	21136-3703	RComp		Comp	B	Note1
Note2		Discov num	BRT1817	DRAs		DDEs
R dRAs		Year	1945	Theta	063	Rho	3.2
Obs	2	Vmag	12.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21073S3728B
HIC