11550-6235 BSO 20 (HD 103515)

11^h 55^m 01.23^s -62° 34' 39.6" P.A. 266.00 sep 18.8 mag 7.73,8.93 Sp M3III

Coord 2000	11550-6235	Discov num	BSO 20	Comp		Coord arcsec 2000	11 55 01.23 -62 34 39.6
Date first	1834	Date last	2015	Obs	19
Pa first	264	Pa last	265.7	P.A. Now (θ)	265.7°
Sep first	20.0	Sep last	18.772	Sep. Now (ρ)	18.772"
Mag pri	7.73	Mag sec	8.93	delta mag (ΔM)	1.2	Spectral class	M3III (red)
Pri motion ra	-026	Sec motion ra	-026
Pri motion dec	-003	Sec motion dec	-004
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.038 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 103515		Constellation	Centaurus		SAO	251641		Tycho2	8977-09311-1
Gaia DR2	5334621549480438656		HD	103515		GC	16297

WDS 11550-6235 BSO 20 (HD 103515) : NOTES

discov_num	notes	refcode
BSO 20	B is CPD-61@2779.

REFERENCES

refcode	metd	author	reference
BsO1847A	Ma -	Brisbane Obs.	.
BsO1847A		cited by Herschel (Cape Results, London, 1847)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
11550-6235	BSO 20		2000	16	266	18.8	7.73	8.93	M3III	N D	115501.23-623439.6
11550-6235	BSO 20		2010	18	264	18.9	7.73	8.93	M3III	N	115501.23-623439.6
11550-6235	BSO 20		2015	19	266	18.8	7.73	8.93	M3III	N	115501.23-623439.6

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WDS 11550-6235 BSO 20 (HD 103515) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 11550-6235 BSO 20 (HD 103515) : MEASURES

No records found.

WDS 11550-6235 (HD 103515) : VIRTUAL EYEPIECE

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WDS 11550-6235 (HD 103515) : ALADIN DSS IMAGE @ 11^h 55^m 01.23^s -62° 34' 39.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 11550-6235 BSO 20 (HD 103515) : 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		11550-6235	BSO 20		266	18.8
Show		11532-6236	TDS8095		191	2.1	13
Show		11577-6227	SHT 41	AB	174	3.4	20
Show		11577-6227	SHT 41	AC	332	3.9	20
Show		11577-6227	SHT 41	AD	71	4.7	20
Show		11577-6227	SHT 41	AE	139	4.9	20
Show		11554-6255	WFC 117		9	9.9	21
Show		11537-6254	TDS8100		118	1.0	22
Show		11520-6241	TDS8084		260	0.7	22
Show		11538-6256	SKF1847	AB	57	16.3	24
Show		11538-6212	HDS1678		36	0.7	25
Show		11534-6211	TDS8097		340	0.7	27
Show		11521-6217	TDS8086		230	0.5	27
Show		11545-6301	TRR 9	AB	313	11.1	28
Show		11545-6301	TRR 9	AC	243	41.1	28
Show		11545-6301	TRR 9	CD	51	3.6	28
Show		11592-6247	COO 133	AB	21	8.1	32
Show		11592-6247	COO 133	AC	205	10.7	32
Show		11499-6239	TDS8054		266	1.8	36
Show		11523-6202	JAW 29		116	15.0	39
Show		11559-6314	KPP1965		278	15.5	40
Show		11566-6313	FIN 191		38	4.4	41
Show		12012-6237	TDS8168		70	0.4	43
Show		11502-6303	TDS8060		257	0.5	44
Show		11484-6243	VVV 7		181	1.6	47
Show		11568-6148	RST4489		152	0.7	49
Show		11493-6305	RSS 275		350	15.0	50
Show		12019-6220	TDS8182		199	9.8	51
Show		11513-6148	TDS8073		351	0.5	54
Show		11481-6259	TDS8033		137	0.6	54
Show		11472-6229	TDS8022		316	2.0	55
Show		12030-6240	FGS 27		3	0.1	56
Show		11596-6324	FIN 192		269	0.3	59
Show		11513-6328	TDS8074		84	1.0	60
Show		11500-6144	WFC 116		352	10.8	62
Show		12026-6311	RST4954		283	0.8	64
Show		12011-6147	TDS 653		110	1.0	64
Show		11536-6127	KPP2908		147	2.9	69
Show		11510-6131	TDS8068		33	2.3	70
Show		12030-6319	CPO 55		321	5.8	71
Show		11573-6345	TDS8139		135	2.1	73
Show		12043-6310	SHT 43		130	5.8	73
Show		12044-6202	TDS8205		65	2.4	74
Show		11516-6124	TDS8078		44	0.9	75
Show		11483-6136	TDS8035		215	2.4	76
Show		11487-6134	R 9001		325	5.9	76
Show		11441-6232	FMP 16		210	4.4	76
Show		12048-6200	DUN 117	AB	149	22.8	77
Show		12048-6200	DUN 117	AC	19	25.1	77
Show		12048-6200	ANT 9	AD	116	3.2	77
Show		11441-6257	RST4951	AB	247	1.9	79

WDS 11550-6235 : COMPONENTS

	A
B	pa=260.7° sep=8.74"

11550-6235 A

Componente originario normalizzato	AB	Name	HD 103515	Coord arcsec 2000	115501.23-623439.6	Mag	7.73
Spectral class	M3III (red)	PmRA	-26.00	PmDE	-3.0	SAO	251641
Tycho2	8977-09311-1	HD	103515	GC	16297	DM	CP-61 2780

Tycho2

Tycho2	8977-09311-1	Pflag		RAmdeg	178.75512890	DEmdeg	-62.57765824
PmRA	-26.3	PmDE	-3.1	E RAmdeg	6	E DEmdeg	6
E pmRA	1.3	E pmDE	1.3	EpRAm	1990.98	EpDEm	1991.05
Num	12	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.9
Q pmDE	0.9	BTmag	9.687	E BTmag	0.021	VTmag	7.729
E VTmag	0.011	Prox	188	TYC	T	HIP
CCDM		RAdeg	178.75526111	DEdeg	-62.57765111	EpRA 1990	1.62
EpDE 1990	1.71	E RAdeg	5.7	E DEdeg	5.7	Posflg
Corr	0.0

SAO

SAO	251641	DelFlag		RA1950		PmRA1950	-0.0035
DE1950		PmDE1950	0.007	Vmag	7.8	SpType	M0
Double code		Source	70	CatNum	16297	DM	CP-61 2780
DMcomp		BDsup		HD	103515	M HD	0
GC	16297	RA1950rad	3.10895039	DE1950rad	-1.08732314	PmRA2000	-0.0041
PmDE2000	0.012

CCDM

Ccdm	11550-6235	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.15	DDEs	21.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.8	Sp	M0	PmNote	*
PmRA	-28	PmDE	5	Dm number	-61 2780	Cat1	CPD
Name2	251641	Cat2	SAO	HD	103515	M HD
ADS BDS		M ADS BDS		N IDS		IDS	11501S6201A
HIC

11550-6235 B

Componente originario normalizzato	AB	Coord arcsec 2000	115459.98-623441.0	Mag	8.93	PmRA	-26.00
PmDE	-4.0	Tycho2	8977-09404-1	HD	309300	Calc delta mag	1.2
Calc coord	yes

Tycho2

Tycho2	8977-09404-1	Pflag		RAmdeg	178.74384136	DEmdeg	-62.57804064
PmRA	-24.8	PmDE	-3.9	E RAmdeg	12	E DEmdeg	12
E pmRA	1.4	E pmDE	1.4	EpRAm	1988.98	EpDEm	1988.98
Num	10	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.7
Q pmDE	1.2	BTmag	10.617	E BTmag	0.040	VTmag	8.933
E VTmag	0.016	Prox	188	TYC	T	HIP
CCDM		RAdeg	178.74396639	DEdeg	-62.57803056	EpRA 1990	1.65
EpDE 1990	1.71	E RAdeg	13.0	E DEdeg	12.9	Posflg
Corr	-0.1

CCDM

Ccdm	11550-6235	RComp		Comp	B	Note1
Note2		Discov num	BSO	DRAs	-1.89	DDEs	18.0
R dRAs	10	Year	1956	Theta	267	Rho	18.8
Obs	2	Vmag	9.3	Sp	M0	PmNote	*
PmRA	-46	PmDE	-21	Dm number	-61 2779	Cat1	CPD
Name2	251639	Cat2	SAO	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	11501S6201B
HIC