2008MNRAS.388.1198M

Query : 2008MNRAS.388.1198M

2008MNRAS.388.1198M - Mon. Not. R. Astron. Soc., 388, 1198-1204 (2008/August-2)

Spectral distribution of Be/X-ray binaries in the Small Magellanic Cloud.

McBRIDE V.A., COE M.J., NEGUERUELA I., SCHURCH M.P.E. and McGOWAN K.E.

Abstract (from CDS):

The spectral distributions of Be/X-ray binaries in the Large Magellanic Cloud and Galaxy have been shown to differ significantly from the distribution of isolated Be stars in the Galaxy. Population synthesis models can explain this difference in spectral distributions through substantial angular momentum loss from the binary system. In this work, we explore the spectral distribution of Be/X-ray binaries in the Small Magellanic Cloud (SMC) using high signal-to-noise ratio spectroscopy of a sample of 37 optical counterparts to known X-ray pulsars. Our results show that the spectral distribution of Be/X-ray binaries in the SMC is consistent with that of the Galaxy, despite the lower metallicity environment of the SMC. This may indicate that, although the metallicity of the SMC is conducive to the formation of a large number of high-mass X-ray binaries, the spectral distribution of these systems is likely to be most strongly influenced by angular momentum losses during binary evolution, which are not particularly dependent on the local metallicity.

Journal keyword(s): binaries: general - emission-line, Be - Magellanic Clouds

VizieR on-line data: <Available at CDS (J/MNRAS/388/1198): table24.dat refs.dat>

CDS comments: In Table 1 : SAX J0653+0533 is a misprint for SAX J0635+0533.

Simbad objects: 64

Full paper

View the references in ADS

Number of rows : 64

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	PSR J0045-7319	HXB	00 45 35.2606875816	-73 19 03.269105220		15.97	16.18		16.30	B0.5-B2IV-V	177	0
2	[MA93] 172	HXB	00 47 23.3388222768	-73 12 27.370134648		15.85	15.85		15.872	B1-B1.5V	51	0
3	RX J0049.0-7250	HXB	00 49 03.35	-72 50 52.4		17.01	16.898		16.686	B3:V	51	0
4	RX J0049.2-7311	HXB	00 49 13.6255324536	-73 11 37.869710892		16.52	16.555		16.320	B1e	46	1
5	LIN 139	HXB	00 49 42.0078068952	-73 23 14.676382752	14.09	15.00	14.98		14.70	O9.5-B0.5III-V	72	0
6	V* DZ Tuc	HXB	00 50 44.7079466208	-73 16 05.430164196	14.46	15.37	15.396		15.225	B0-B0.5V	75	0
7	[MA93] 413	HXB	00 50 56.9992401408	-72 13 34.582439136		14.97	15.05			B0.5III-V	59	0
8	LIN 193	HXB	00 51 52.0250520000	-73 10 34.140066780	13.39	14.38	14.459	14.24	14.28	O9.5-B0V	72	0
9	AzV 102	HXB	00 51 53.1358981896	-72 31 48.721904580	13.66	14.79	14.38		14.40	B0-5(II)	71	0
10	LIN 198	HXB	00 52 05.6251611744	-72 26 04.228773036	13.86	14.91	14.927	14.91	14.794	B0-5(II)e	158	0
11	SXP 82.4	HXB	00 52 08.9591015832	-72 38 03.307691544	14.33	15.15	15.23		14.83	B1-5(II)e	37	0
12	LIN 203	HXB	00 52 13.9956976512	-73 19 18.812945496		14.66	14.67		14.534	O9.5IIIe/B0Ve	86	0
13	NAME SMC	G	00 52 38.0	-72 48 01		2.79	2.2			~	10844	1
14	LIN 221	HXB	00 52 55.2656173752	-71 58 06.287817144	14.37	15.47	15.53		15.34	B0-B1III-V	48	0
15	RX J0053.4-7227	HXB	00 53 23.8589408040	-72 27 15.445929456	15.06	16.11	16.202		16.125	B1-B2IV-V	31	0
16	RX J0053.9-7226	HXB	00 53 55.181	-72 26 44.88		14.65	14.72		14.757	B1III	92	0
17	X SMC X-2	HXB	00 54 33.43	-73 41 01.3	13.77	16.40	16.38		14.67	O9.5III-V	126	0
18	LIN 268	HXB	00 54 55.8845128080	-72 45 10.958407380	13.83	14.73	15.003	14.73	14.784	B1e	49	0
19	[MA93] 810	HXB	00 54 56.1754603176	-72 26 47.859057060	14.17	15.24	15.28		15.327	O9V	72	0
20	RX J0055.2-7238	HXB	00 55 18.4407888192	-72 38 52.029653424		16.02	16.022		15.711	O9.5V	35	0
21	RX J0055.4-7210	HXB	00 55 27.746	-72 10 58.74						~	32	2
22	Gaia DR3 4689059652423009024	*	00 55 28.4615006136	-72 10 56.693035920		16.66	16.78			B2-B3IV-V	10	0
23	[MA93] 904	HXB	00 56 05.5347974352	-72 21 59.452153740		15.84	15.88		15.494	B1V	33	0
24	RX J0057.4-7325	HXB	00 57 27.000	-73 25 19.55	14.56	15.62	15.67	15.43	15.67	B3-B5Ib-II?	34	0
25	[MA93] 1020	HXB	00 57 36.0162576624	-72 19 34.056483744	14.89	15.95	16.008	15.79	15.806	B0/4e	42	0
26	[MA93] 1036	HXB	00 57 49.5745148088	-72 02 35.873596896		15.52	15.64			B0-B2III-V	54	0
27	[MA93] 1038	HXB	00 57 50.3868809664	-72 07 56.130650112	14.63	15.64	15.69		15.420	B1-2(Be-Fe)	42	0
28	RX J0059.2-7138	HXB	00 59 12.7444006824	-71 38 44.962383408		14.07	14.01	14.36		B1-B1.5II-III	84	0
29	SXP 202	HXB	00 59 21.0398312736	-72 23 17.305459368	13.81	14.96	14.97		15.07	B0-B1V	42	0
30	PSR J0100-7211	Psr	01 00 42.86	-72 11 33.3		17.69	17.82			B3V	93	0
31	[MA93] 1240	HXB	01 01 02.8880678424	-72 06 58.964665824		15.68	15.757	15.52	15.576	B0-B2III-V	48	0
32	[MA93] 1257	HXB	01 01 20.6635900032	-72 11 18.965108724	14.41	15.36	15.49		15.53	B0.5-B2IV-V	47	0
33	AzV 294	HXB	01 02 06.6797731272	-71 41 16.119360960	13.54	14.52	14.60	15.20	14.42	B0-B0.5III-V	31	0
34	SXP 6.85	HXB	01 02 53.3180253744	-72 44 35.166214716		14.51	14.59			O9.5-B0IV-V	59	0
35	[MA93] 1367	HXB	01 03 13.9173060552	-72 09 14.258500452		14.70	14.79	15.0		B0.5IV-V	92	2
36	[MA93] 1393	HXB	01 03 37.5349856136	-72 01 33.204096336		14.54	14.65			B0III-V	70	0
37	RX J0105.1-7211	HXB	01 05 09.941	-72 11 47.00		15.62	15.63	18.3		B1-B2III-V	52	1
38	SXP 65.8	HXB	01 07 12.6098206008	-72 35 33.884245680	14.72	15.52	15.64	15.5	15.73	B1-B1.5II-III	23	0
39	RX J0111.2-7317	HXB	01 11 08.5770101712	-73 16 46.308129384	14.40	15.42	15.52		15.29	B0.5-1Ve	71	0
40	SK 160	HXB	01 17 05.1457288392	-73 26 36.014808156	12.23	13.00	13.15		13.17	O9.7Ia+	847	0
41	[MA93] 1845	HXB	01 17 40.1630558064	-73 30 50.523690888	13.30	14.14	14.18		14.09	B1-3(II)e	55	0
42	V* V635 Cas	HXB	01 18 31.9704955824	+63 44 33.072603144	17.05	16.64	15.19	14.34	13.22	B0.2Ve	728	0
43	2MASS J01354986+6612433	HXB	01 35 49.8564591384	+66 12 43.284919428		14.72	13.31	12.32	11.37	B1Ve	32	0
44	EM* GGA 104	HXB	01 47 00.2124077208	+61 21 23.663788056	11.76	12.09	11.366	11.00	10.52	B1IIIe	182	0
45	LS I +61 303	HXB	02 40 31.6644419688	+61 13 45.593918580	11.27	11.61	10.75	10.19	9.55	B0Ve	830	2
46	NAME Magellanic Clouds	GrG	03 00	-71.0						~	6826	1
47	V* BQ Cam	HXB	03 34 59.9116110096	+53 10 23.296879776		17.16	15.42	14.26	13.04	O8.5Ve	461	1
48	V* X Per	HXB	03 55 23.0777456088	+31 02 45.039836148	6.090	6.840	6.720			O9.5III	962	0
49	LS V +44 17	HXB	04 40 59.3296237272	+44 31 49.258049376	11.02	11.42	10.73	10.28	9.76	B0.2Ve	127	0
50	NAME LMC	G	05 23 34.6	-69 45 22			0.4			~	16982	1
51	HD 245770	HXB	05 38 54.5748918624	+26 18 56.836952784	9.30	9.84	9.39	8.77	8.30	O9/B0III/Ve	963	0
52	PSR J0635+0533	Psr	06 35 17.4	+05 33 21		13.81	12.83			B1IIIe-B2Ve	45	0
53	2E 1752	HXB	06 58 17.2878153600	-07 12 35.204283324		12.38	10.9	11.40		O9.7Ve	91	0
54	V* V441 Pup	HXB	07 28 53.5788273168	-26 06 28.897118208	11.27	12.29	11.83	11.53		O5Ve	76	0
55	V* V572 Pup	HXB	08 12 28.3575205680	-31 14 52.138451400	12.14	13.03	12.74	12.44		B0.2IVe	64	0
56	Ginga 0834-430	HXB	08 35 54.9956514920	-43 11 17.497095048			20.4			B0-2III-Ve	97	0
57	LS 1698	HXB	10 37 35.3145142200	-56 47 55.869594756		12.00	11.48	11.38		B0III/V:e	103	0
58	WRAY 15-793	HXB	11 20 57.1736884968	-61 55 00.166078020	12.81	13.06	12.12			O9.5III/Ve	201	0
59	HD 102567	Be*	11 48 00.0214464120	-62 12 24.902384760	8.24	9.06	9.00	9.62		O/Bne	312	0
60	V* V850 Cen	HXB	13 01 17.0968941216	-61 36 06.637549788		15.6	14.40			B2Vne	322	0
61	4U 1416-62	HXB	14 21 12.8	-62 41 54		17.9	17.2			B1Ve	146	0
62	HD 161103	Be*	17 44 45.7656635952	-27 13 44.478959340	8.44	9.23	9.13	9.12		B0.5III/IVe	80	0
63	CD-30 17706	WD*	20 10 56.8486912016	-30 13 06.627142663	11.654	12.286	12.242	12.311	12.381	DA3.1	246	0
64	V* V490 Cep	HXB	21 39 30.6903047304	+56 59 10.421969280		15.2				B1.5Ve	159	1

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