2019ApJ...887...20A

Query : 2019ApJ...887...20A

2019ApJ...887...20A - Astrophys. J., 887, 20-20 (2019/December-2)

Deep Chandra survey of the Small Magellanic Cloud. III. Formation efficiency of high-mass X-ray binaries.

ANTONIOU V., ZEZAS A., DRAKE J.J., BADENES C., HABERL F., WRIGHT N.J., HONG J., DI STEFANO R., GAETZ T.J., LONG K.S., PLUCINSKY P.P., SASAKI M., WILLIAMS B.F., WINKLER P.F. (The SMC XVP Collaboration)

Abstract (from CDS):

We have compiled the most complete census of high-mass X-ray binaries (HMXBs) in the Small Magellanic Cloud with the aim to investigate the formation efficiency of young accreting binaries in its low-metallicity environment. In total, we use 123 X-ray sources with detections in our Chandra X-ray Visionary Program (XVP), supplemented by 14 additional (likely and confirmed) HMXBs identified by Haberl & Sturm that fall within the XVP area, but are neither detected in our survey (nine sources) nor matched with any of the 127 sources identified in the XVP data (five sources). Specifically, we examine the number ratio of the HMXBs [N(HMXBs)] to (a) the number of OB stars, (b) the local star formation rate (SFR), and (c) the stellar mass produced during the specific star formation burst, all as a function of the age of their parent stellar populations. Each of these indicators serves a different role, but in all cases we find that the HMXB formation efficiency increases as a function of time (following a burst of star formation) up to ∼40-60 Myr, and then gradually decreases. The formation efficiency peaks at ∼30-40 Myr with average rates of N(HMXB)/SFR=339–83+78(M☉/yr)–1, and N(HMXB)/M*=(8.74–0.92+1.0)×10–6M☉–1, in good agreement with previous estimates of the average formation efficiency in the broad ∼20-60 Myr age range.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): Magellanic Clouds - High-mass X-ray binary stars - Massive stars

VizieR on-line data: <Available at CDS (J/ApJ/887/20): table1.dat>

Nomenclature: Table 1: [AZD2019] CXOU JHHMMSS.ss+DDMMSS.s N=123.

Simbad objects: 147

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Number of rows : 147
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 [AZD2019] CXOU J003918.23-731503.8 HXB 00 39 18.230 -73 15 03.89           ~ 1 0
2 [AZD2019] CXOU J004303.02-731628.8 HXB 00 43 03.11 -73 16 27.2     16.602   16.703 ~ 1 0
3 SK 6 s*b 00 45 35.8586907528 -73 14 12.565751928 12.163 12.974 13.016   13.02 B2.5Ib 18 0
4 RX J0045.6-7313 HXB 00 45 37.9 -73 13 54   18.3       Be 16 1
5 [MA93] 114 Em* 00 45 42.7 -73 13 43     17.2     ~ 6 0
6 CXOU J004544.2-730907 HXB 00 45 44.1315732932 -73 09 06.933019981   14.355 14.327 14.499 14.197 ~ 2 0
7 [AZD2019] CXOU J004604.69-730919.4 HXB 00 46 04.83 -73 09 18.2     15.010   15.050 ~ 1 0
8 [AZD2019] CXOU J004621.08-731020.7 HXB 00 46 20.87 -73 10 20.9     17.291   17.235 ~ 1 0
9 LIN 78 HXB 00 46 32.6338987968 -73 06 05.564426436 12.53 13.59 13.827   13.999 O3/4V 49 0
10 [AZD2019] CXOU J004648.24-731152.6 HXB 00 46 47.92 -73 11 53.8     16.953   16.798 ~ 1 0
11 OGLE J004651.50-731309.6 HXB 00 46 51.48 -73 13 10.2   16.66 16.767   16.880 ~ 5 0
12 [AZD2019] CXOU J004704.48-731537.8 HXB 00 47 04.485 -73 15 37.81           ~ 1 0
13 OGLE SMC-ECL- 1162 HXB 00 47 07.0907435592 -73 04 00.260264568     17.330   17.418 ~ 4 0
14 OGLE J004714.57-731122.7 HXB 00 47 14.494 -73 11 22.91   16.679 16.645   16.432 ~ 3 0
15 [AZD2019] CXOU J004722.37-730143.8 HXB 00 47 22.375 -73 01 43.86           ~ 1 0
16 [MA93] 172 HXB 00 47 23.3388222768 -73 12 27.370134648   15.85 15.85   15.872 B1-B1.5V 58 0
17 [AZD2019] CXOU J004735.01-731225.0 HXB 00 47 35.018 -73 12 25.02           ~ 1 0
18 [AZD2019] CXOU J004757.06-725647.4 HXB 00 47 57.060 -72 56 47.44           ~ 1 0
19 SXP 25.5 HXB 00 48 14.1209478096 -73 10 03.933642936 15.06 15.56 15.847   15.693 B1.5e 33 1
20 LIN 110 HXB 00 48 34.1207019888 -73 02 31.309413396 14.00 14.79 14.899 14.66 14.737 B1.5e 24 0
21 RX J0049.0-7250 HXB 00 49 03.35 -72 50 52.4   17.01 16.898   16.686 B3:V 56 0
22 [AZD2019] CXOU J004903.29-731032.4 HXB 00 49 03.58 -73 10 32.6     17.574   17.499 ~ 1 0
23 SXP 18.3 HXB 00 49 11.4583157496 -72 49 37.499240568 15.16 15.80 15.608 15.42 15.384 ~ 46 0
24 RX J0049.2-7311 HXB 00 49 13.6255324536 -73 11 37.869710892   16.52 16.555   16.320 B1e 50 1
25 [AZD2019] CXOU J004925.71-731009.2 HXB 00 49 25.711 -73 10 09.28           ~ 1 0
26 [MA93] 300 HXB 00 49 29.848 -73 10 58.33 15.36 15.85 16.249 15.38 15.950 B1e 27 1
27 LIN 139 HXB 00 49 42.0078068952 -73 23 14.676382752 14.09 15.00 14.98   14.70 O9.5-B0.5III-V 80 0
28 [AZD2019] CXOU J004944.24-725209.7 HXB 00 49 44.42 -72 52 10.1     17.811   17.826 ~ 1 0
29 [AZD2019] CXOU J004945.96-731753.1 HXB 00 49 45.62 -73 17 52.9     17.449   17.513 ~ 1 0
30 [AZD2019] CXOU J004946.02-731213.5 HXB 00 49 46.023 -73 12 13.53           ~ 1 0
31 [AZD2019] CXOU J004959.84-730857.1 HXB 00 49 59.841 -73 08 57.16           ~ 1 0
32 [AZD2019] CXOU J005000.13-731937.3 HXB 00 50 00.22 -73 19 37.2     17.603   17.496 ~ 1 0
33 UCAC4 084-003066 HXB 00 50 04.4465971449 -73 14 27.057284962     15.672 15.882 15.742 ~ 4 0
34 [AZD2019] CXOU J005010.25-731228.9 HXB 00 50 10.26 -73 12 29.4     17.719   17.610 ~ 1 0
35 SXP 214 HXB 00 50 11.2696971720 -73 00 25.972319016   15.22 15.33 15.47 15.207 B9(II) 23 0
36 [MA93] 341 HXB 00 50 12.4133237808 -73 11 56.442950268   15.47 15.447   15.116 ~ 7 0
37 [AZD2019] CXOU J005024.78-732223.8 HXB 00 50 25.03 -73 22 24.9     16.727   16.170 ~ 1 0
38 [AZD2019] CXOU J005026.80-725342.7 HXB 00 50 26.802 -72 53 42.69           ~ 1 0
39 [MA93] 377 HXB 00 50 35.5935201067 -73 14 02.561266952     16.155   15.959 ~ 5 0
40 [MA93] 374 HXB 00 50 36.1127114784 -73 17 39.610077000   15.69 15.708   15.446 ~ 5 0
41 V* DZ Tuc HXB 00 50 44.7079466208 -73 16 05.430164196 14.46 15.37 15.396   15.225 B0-B0.5V 82 0
42 [AZD2019] CXOU J005046.51-731252.3 HXB 00 50 46.92 -73 12 52.3     15.571   15.173 ~ 1 0
43 UCAC4 084-003275 HXB 00 50 47.8230353994 -73 17 36.609698814     16.558   16.420 ~ 4 0
44 SXP 292 HXB 00 50 47.9893238880 -73 18 18.049820796   15.352 15.380 15.30 15.231 B0 19 0
45 [MA93] 401 Em* 00 50 50.0342302080 -73 24 22.397147784   14.83 17     B0V 80 1
46 [AZD2019] CXOU J005051.34-731228.4 HXB 00 50 51.44 -73 12 27.4     17.241   17.261 ~ 1 0
47 [MA93] 414 HXB 00 50 57.1198007064 -73 10 08.171604840   14.43 14.522   14.403 B0.5e 27 0
48 [MA93] 430 HXB 00 51 05.11 -73 15 00.1   14.74 15.195   14.965 ~ 4 0
49 OGLE J005105.65-731311.5 HXB 00 51 05.6470138056 -73 13 11.910354037   15.343 15.283 16.191 15.386 ~ 5 0
50 [AZD2019] CXOU J005107.39-730706.9 HXB 00 51 07.28 -73 07 08.7     17.738   17.890 ~ 1 0
51 [MA93] 447 Em* 00 51 16.2196788072 -72 50 43.260621900     16.3     ~ 6 0
52 [MA93] 448 HXB 00 51 17.1110725632 -73 16 06.920455476   15.18 15.498   15.103 ~ 9 0
53 RX J0051.3-7250 HXB 00 51 18.93 -72 50 36.5           Be 10 0
54 [MA93] 463 HXB 00 51 25.1231481360 -72 50 32.907812892   14.66 15.178   14.985 ~ 6 0
55 [AZD2019] CXOU J005131.25-724144.2 HXB 00 51 31.254 -72 41 44.27           ~ 1 0
56 [AZD2019] CXOU J005132.25-723101.7 HXB 00 51 32.252 -72 31 01.70           ~ 1 0
57 [AZD2019] CXOU J005133.10-723602.8 HXB 00 51 33.107 -72 36 02.84           ~ 1 0
58 SXP 4.78 HXB 00 51 38.7742234656 -72 17 04.796861748 14.63 15.66 15.63   15.44 B0V-B1Ve 55 0
59 LIN 193 HXB 00 51 52.0250520000 -73 10 34.140066780 13.39 14.38 14.459 14.24 14.28 O9.5-B0V 79 0
60 AzV 102 HXB 00 51 53.1358981896 -72 31 48.721904580 13.66 14.79 14.38   14.40 O9.7V:ne 80 0
61 RX J0051.9-7255 HXB 00 51 54.20 -72 55 36.0           Be 10 0
62 [MA93] 521 Em* 00 51 59.8349464104 -72 55 23.257688916   15.08 15.4     Be 11 0
63 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 187 0
64 2dFS 842 HXB 00 52 07.4188243047 -72 21 25.725083896 14.50 15.12 15.277 15.655 15.327 B0-5(III) 8 0
65 SXP 82.4 HXB 00 52 08.9591015832 -72 38 03.307691544 14.33 15.15 15.23   14.83 B1-5(II)e 43 0
66 LIN 203 HXB 00 52 13.9956976512 -73 19 18.812945496   14.66 14.67   14.534 O9.5IIIe/B0Ve 93 0
67 SXP 305 HXB 00 52 15.4016778096 -73 19 15.474869796   15.817 15.872   16.003 ~ 13 0
68 [AZD2019] CXOU J005216.60-723433.1 HXB 00 52 16.602 -72 34 33.11           ~ 1 0
69 [AZD2019] CXOU J005219.25-732129.0 HXB 00 52 19.254 -73 21 29.09           ~ 1 0
70 [AZD2019] CXOU J005220.21-730731.6 HXB 00 52 19.93 -73 07 32.4     17.270   17.381 ~ 1 0
71 [AZD2019] CXOU J005230.80-730157.4 HXB 00 52 30.82 -73 01 57.6     17.062   17.161 ~ 1 0
72 LIN 210 HXB 00 52 37.2894027816 -72 27 32.424924384   14.90 15.019   14.844 ~ 10 0
73 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
74 CXOU J005245.0-722844 HXB 00 52 45.0973434864 -72 28 43.786264152   14.55 14.936   14.847 O9/B0e 13 0
75 SXP 327 HXB 00 52 52.2273385944 -72 17 15.106259724 15.83 16.41 16.62 16.43 16.82 ~ 28 0
76 AzV 138 HXB 00 52 52.3001881056 -72 48 30.214927584 13.35 14.32 14.37   14.24 O9.2IIIp 32 0
77 XMMU J005259.4-725402 HX? 00 52 59.467 -72 54 02.14           ~ 4 0
78 [AZD2019] CXOU J005311.38-725320.7 HXB 00 53 11.385 -72 53 20.78           ~ 1 0
79 RX J0053.4-7227 HXB 00 53 23.8589408040 -72 27 15.445929456 15.06 16.11 16.202   16.125 B1-B2IV-V 36 0
80 [AZD2019] CXOU J005324.69-725945.8 HXB 00 53 24.64 -72 59 45.5     17.372   17.056 ~ 1 0
81 [AZD2019] CXOU J005325.65-723606.7 HXB 00 53 25.657 -72 36 06.77           ~ 1 0
82 SXP 95.2 HXB 00 53 26.4 -72 49 16           ~ 22 1
83 [AZD2019] CXOU J005332.25-730836.1 HXB 00 53 32.257 -73 08 36.18           ~ 1 0
84 [AZD2019] CXOU J005336.42-723819.7 HXB 00 53 36.15 -72 38 21.0     17.520   17.655 ~ 1 0
85 OGLE J005339.70-724042.1 HXB 00 53 39.6992733168 -72 40 42.478092336   15.117 14.994   14.805 ~ 6 0
86 [AZD2019] CXOU J005351.15-723351.0 HXB 00 53 50.97 -72 33 50.3     16.851   16.939 ~ 1 0
87 [MA93] 717 HXB 00 53 52.1118059066 -72 26 38.981396514     14.980 13.734 14.989 ~ 23 0
88 RX J0053.9-7226 HXB 00 53 55.181 -72 26 44.88   14.65 14.72   14.757 B1III 97 0
89 SSTISAGE1C J005358.25-722614.7 HXB 00 53 58.43 -72 26 14.4   17.65 17.806   17.997 B2V 5 0
90 SXP 342 HXB 00 54 03.8561131320 -72 26 32.965087524 13.82 14.95 14.94 14.80 14.79 ~ 22 0
91 [AZD2019] CXOU J005408.52-724343.3 HXB 00 54 08.34 -72 43 42.0     17.429   17.596 ~ 1 0
92 XMMU J005408.6-723207 HXB 00 54 08.5242749664 -72 32 08.849082205     16.996   16.969 ~ 4 0
93 [AZD2019] CXOU J005418.96-722943.4 HXB 00 54 18.95 -72 29 43.1     17.384   17.539 ~ 1 0
94 [MA93] 760 HXB 00 54 23.2547147952 -72 23 39.866160084     15.672   15.440 ~ 2 0
95 [AZD2019] CXOU J005445.57-723759.8 HXB 00 54 45.570 -72 37 59.89           ~ 1 0
96 [MA93] 798 HXB 00 54 46.3702539288 -72 25 22.795778784 14.39 15.50 15.569   15.346 B1e 30 0
97 LIN 268 HXB 00 54 55.8845128080 -72 45 10.958407380 13.83 14.73 15.003 14.73 14.784 B1e 55 0
98 [MA93] 810 HXB 00 54 56.1754603176 -72 26 47.859057060 14.17 15.24 15.28   15.327 O9V 79 0
99 [M2002] SMC 32449 HXB 00 55 07.8072783168 -72 22 41.078385588   14.19 14.415   14.568 B1.5III 13 0
100 [AZD2019] CXOU J005510.70-721741.0 HXB 00 55 10.708 -72 17 41.09           ~ 1 0
101 [AZD2019] CXOU J005514.95-723042.7 HXB 00 55 14.98 -72 30 42.5     16.940   17.058 ~ 1 0
102 RX J0055.2-7238 HXB 00 55 18.4407888192 -72 38 52.029653424   16.02 16.022   15.711 O9.5V 39 0
103 [AZD2019] CXOU J005527.98-722515.7 HXB 00 55 27.987 -72 25 15.76           ~ 1 0
104 SXP 645 HXB 00 55 35.1438131544 -72 29 06.635018364 13.60 14.65 14.69 14.21 14.67 ~ 25 0
105 MACHO 207.16319.58 HXB 00 55 35.26 -72 15 12.0 15.84 16.68 16.807   16.780 B2IV 4 0
106 [AZD2019] CXOU J005539.97-721606.0 HXB 00 55 39.82 -72 16 04.5   17.60 17.646   17.678 B5IV 3 0
107 [AZD2019] CXOU J005546.75-722806.9 HXB 00 55 46.756 -72 28 06.91           ~ 1 0
108 [AZD2019] CXOU J005549.85-722709.0 HXB 00 55 49.83 -72 27 10.4     17.725   17.836 ~ 1 0
109 [AZD2019] CXOU J005556.08-721313.5 HXB 00 55 56.088 -72 13 13.57           ~ 1 0
110 [MA93] 904 HXB 00 56 05.5347974352 -72 21 59.452153740   15.84 15.88   15.494 B1V 36 0
111 [AZD2019] CXOU J005606.68-722731.7 HXB 00 56 06.687 -72 27 31.76           ~ 1 0
112 2dFS 5088 Be* 00 56 13.8406873152 -72 30 00.914479236 13.49 14.53 14.52   14.38 B0.5V(Be-Fe) 16 0
113 LIN 301 HXB 00 56 14.6498456760 -72 37 55.371919332   14.618 14.536   14.307 B1-5(II) 18 0
114 NGC 330 Cl* 00 56 18.55 -72 27 45.1 9.37 9.76 9.55   8.89 ~ 445 0
115 [SG2005] SMC 38 HXB 00 56 18.853 -72 28 02.71     15.3     ~ 6 0
116 [MA93] 932 HXB 00 56 19.31 -72 35 03.1     15.917   15.718 ~ 2 0
117 XMMU J005646.3-722451 HXB 00 56 46.41 -72 24 53.7     15.763   15.576 ~ 2 0
118 SXP 5.05 HXB 00 57 02.1884332608 -72 25 55.431870600 14.77 15.76 15.993   15.960 B0.5e 42 0
119 [MA93] 984 HXB 00 57 09.1209285396 -72 16 35.120778296   15.01 15.260   15.090 ~ 5 0
120 [MA93] 985 HXB 00 57 10.5544402128 -72 21 35.586783540     16.194   15.943 ~ 2 0
121 2dFS 1224 HXB 00 57 23.9556115104 -72 23 56.636867472 13.60 14.64 14.771   14.92 B1.5e 16 1
122 [MA93] 1020 HXB 00 57 36.0162576624 -72 19 34.056483744 14.89 15.95 16.008 15.79 15.806 B0/4e 49 0
123 [AZD2019] CXOU J005749.86-721906.4 HXB 00 57 49.88 -72 19 05.9     17.276   17.249 ~ 1 0
124 [MA93] 1038 HXB 00 57 50.3868809664 -72 07 56.130650112 14.63 15.64 15.69   15.420 B1-2(Be-Fe) 46 0
125 SXP 7.92 HXB 00 57 58.5236957520 -72 22 28.983943560     15.788   15.846 ~ 23 0
126 [AZD2019] CXOU J005819.07-722808.1 HXB 00 58 19.073 -72 28 08.11           ~ 1 0
127 Cl* NGC 346 MPG 217 HXB 00 58 47.0746752012 -72 13 01.733894639   14.663 14.553 14.828 14.693 O9.5IIIp 17 0
128 [MA93] 1104 HXB 00 58 50.2321392792 -72 17 13.536467736 13.90 14.99 15.025   14.869 B0:e 7 0
129 NGC 346 Cl* 00 59 04.4000 -72 10 39.000           ~ 547 0
130 Cl* NGC 346 MPG 454 Ae* 00 59 05.4352137200 -72 10 35.494109060 14.42 15.380 15.280   15.241 B0: 14 2
131 [MA93] 1125 HXB 00 59 11.6487995922 -72 09 57.555019340   14.82 15.123 15.338 15.293 O7V(n) 27 0
132 [MA93] 1144 HXB 00 59 23.3569885104 -72 12 00.622115352 14.16 15.18 15.004   15.57 B0.5V(Be-Fe) 9 0
133 PSR J0100-7211 Psr 01 00 42.86 -72 11 33.3   17.69 17.82     B3V 101 0
134 [MA93] 1240 HXB 01 01 02.8880678424 -72 06 58.964665824   15.68 15.757 15.52 15.576 B0-B2III-V 50 0
135 NAME SMC Bar PoG 01 05 -72.6           ~ 264 0
136 GSC 09142-02678 SB* 01 13 02.2728254448 -72 41 42.132218928   13.61 12.84 12.6   ~ 8 0
137 2dFS 2912 HXB 01 13 07.1766228936 -73 11 40.446463200 15.84 16.52 16.695   16.796 B0-5(V) 3 0
138 [AZD2019] CXOU J011323.17-730226.3 HXB 01 13 23.173 -73 02 26.31           ~ 1 0
139 [AZD2019] CXOU J011345.88-731616.7 HXB 01 13 45.877 -73 16 16.74           ~ 1 0
140 [AZD2019] CXOU J011350.97-731758.7 HXB 01 13 50.971 -73 17 58.73           ~ 1 0
141 [AZD2019] CXOU J011417.74-731549.6 HXB 01 14 17.742 -73 15 49.68           ~ 1 0
142 WBBe NGC 460 12 Be? 01 14 38.1033225652 -73 18 27.567727630           ~ 3 0
143 LIN 516 HXB 01 15 29.9040335400 -73 20 43.434843468   14.97 15.049   14.943 ~ 7 0
144 [AZD2019] CXOU J011559.90-730648.5 HXB 01 15 59.905 -73 06 48.54           ~ 1 0
145 [AZD2019] CXOU J011615.39-730700.5 HXB 01 16 15.396 -73 07 00.53           ~ 1 0
146 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
147 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0

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