2009ApJ...702..940L


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.09CEST07:19:36

2009ApJ...702..940L - Astrophys. J., 702, 940-954 (2009/September-2)

Properties and origin of the high-velocity gas toward the Large Magellanic Cloud.

LEHNER N., STAVELEY-SMITH L. and HOWK J.C.

Abstract (from CDS):

In the spectra of 139 early-type Large Magellanic Cloud (LMC) stars observed with Far Ultraviolet Spectroscopic Explorer and with deep radio Parkes H I 21 cm observations along with those stars, we search for and analyze the absorption and emission from high-velocity gas at +90 ≤ vLSR ≤ +175 km/s. The H I column density of the high-velocity clouds (HVCs) along these sightlines ranges from <1018.4 to 1019.2/cm2. The incidence of the HVC metal absorption is 70%, significantly higher than the H I emission occurrence of 32%. We find that the mean metallicity of the HVC is [O I/H I] = -0.51±0.120.16. There is no strong evidence for a large variation in the HVC metallicity, implying that these HVCs have a similar origin and are part of the same complex. The mean and scatter of the HVC metallicities are more consistent with the present-day LMC oxygen abundance than that of the Small Magellanic Cloud or the MW. We find that on average [Si II/O I] = +0.48±0.150.25 and [Fe II/O I] = +0.33±0.140.21, implying that the HVC complex is dominantly ionized. The HVC complex has a multiphase structure with neutral (O I, Fe II), weakly ionized (Fe II, N II), and highly ionized (O VI) components, and has evidence of dust but no molecules. All the observed properties of the HVC can be explained by an energetic outflow from the LMC. This is the first example of a large (>106 M) HVC complex that is linked to stellar feedback occurring in a dwarf spiral galaxy.

Abstract Copyright:

Journal keyword(s): galaxies: halos - galaxies: interactions - galaxies: kinematics and dynamics - galaxies: structure - Magellanic Clouds

VizieR on-line data: <Available at CDS (J/ApJ/702/940): table1.dat>

Simbad objects: 153

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Number of rows : 153

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Magellanic Stream HVC 00 32 -30.0           ~ 846 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9783 1
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5925 1
4 NAME Magellanic Bridge HI 03 11 -77.5           ~ 365 1
5 HD 268605 s*b 04 50 18.9253786780 -67 39 38.040164010 10.244 11.2 11.377   11.322 O9.5/B0Ia 81 0
6 SK -68 3 * 04 52 15.4671782576 -68 24 26.715070548   13.00 13.13     O9I 12 0
7 BI 12 EB* 04 53 00.8329622148 -68 01 32.322261475 12.26 13.30 13.435 13.64 13.665 O7.5III 12 0
8 LHA 120-S 6 Em* 04 53 06.5006638156 -68 03 22.793506194 12.663 13.725 13.796 13.98 14.112 O6.5V 18 0
9 SK -70 13 * 04 54 01.1592399709 -69 59 47.525511489 11.163 12.140 12.264 12.643 12.172 OB 20 0
10 SK -65 1 * 04 54 06.5667574055 -65 35 22.355779302 11.658 12.420 12.50   12.671 OB 7 0
11 SK -67 18 WR* 04 55 14.9238992344 -67 11 23.749108611 10.990 11.803 11.95   12.072 O6-7n-nn+WN5-6-A 55 0
12 HD 32109 WR* 04 55 31.3419672483 -67 30 02.683822100 12.893 13.46 13.81 13.95 13.512 WN4b 70 0
13 SK -66 18 * 04 55 59.8223175692 -65 58 29.733466248 12.394 13.294 13.467   13.725 O6V((f)) 16 0
14 HD 32228 WR* 04 56 34.666 -66 28 26.34   10.685 10.830     WC4+O9.5II: 90 0
15 PGMW 3053 * 04 56 41.0477932862 -66 24 40.540750469   13.04 13.13     O6II(f+) 11 0
16 [HT83] alf * 04 56 43.209 -66 25 02.57 11.057 12.335 12.47   10.944 O6V 16 1
17 PGMW 3073 * 04 56 43.334 -66 24 54.55 12.895 14.734 13.868   14.181 O6.5V 10 0
18 PGMW 3102 * 04 56 45.3658193611 -66 24 46.427644821 12.601 13.319 13.416   13.502 O7V 11 0
19 PGMW 3120 * 04 56 46.812 -66 24 46.72 11.700 12.496 12.466   12.464 O5.5V((f*)) 26 0
20 SK -65 2 * 04 56 51.5294313606 -65 31 08.419791178 11.890 12.68 12.83   13.001 OB 7 0
21 PGMW 3168 * 04 56 54.4601951589 -66 24 15.871362997   13.57 13.68     O7II(f) 16 0
22 PGMW 3204 * 04 56 58.7897 -66 24 40.710   13.85 14.02     O6.5V((f)) 15 0
23 HD 268721 * 04 56 58.971 -66 24 38.16 11.374 11.935 11.859   11.281 O3III(f*)+OB 21 0
24 BI 42 * 04 57 00.859 -66 24 25.12 11.998 12.768 12.896   12.663 O8V 21 0
25 HD 268732 SB* 04 57 04.4399204669 -66 34 38.570345980 10.652 11.494 11.587     OB 41 0
26 SK -69 50 * 04 57 15.0945139521 -69 20 19.951782678 12.163 13.204 13.366 12.86 13.385 O7(f)(n)p 16 0
27 IRAS 04571-6627 mul 04 57 15.5 -66 23 14           ~ 52 1
28 SV* HV 2241 V* 04 57 15.7355115776 -66 33 54.284097358   13.82 13.96     O6-8V-III((f)) 28 0
29 HD 32340 Em* 04 57 16.253 -66 23 20.94   13.11 12.45 14.00   O3-O6V 77 0
30 HD 32402 WR* 04 57 24.0824729521 -68 23 57.122171327   12.53 12.69 13.24   WC 70 0
31 Brey 10a WR* 04 57 27.4549113851 -67 39 02.868479987 12.213 13.314 13.496   13.564 O2If*/WN5 53 1
32 SK -68 16 * 04 57 37.7904208751 -68 24 35.920947055 11.683 12.714 12.906   13.052 OB: 13 0
33 SK -67 28 * 04 58 39.2406272584 -67 11 18.647142950 11.340 12.082 12.269   12.228 B0.7Ia 19 0
34 HD 268847 WR* 04 59 51.5599828055 -67 56 55.440010992 13.658 14.21 14.58 14.75 14.426 WN4b 50 0
35 SK -70 32 * 05 00 10.2043518811 -70 11 09.424756425   12.90 13.04 13.32   OB 22 0
36 SK -65 21 s*b 05 01 22.2743959588 -65 41 47.883234212 11.119 12.08 12.70   12.373 O9.7Iab 36 0
37 HD 270952 WR* 05 01 23.0763030544 -65 52 33.203698483 10.944 11.871 12.07   12.187 O6Iaf+ 52 0
38 SK -68 26 s*b 05 01 32.2452809363 -68 10 42.939618694 10.822 11.728 11.85     BC2Ia 25 0
39 SV* HV 2274 EB* 05 02 40.7806907576 -68 24 21.497024742 13.298 13.984 14.127 14.192 14.390 ~ 76 0
40 HD 33133 WR* 05 03 08.9129394547 -66 40 57.494039004   12.46 12.63 12.85   WN7h 88 0
41 HD 268960 * 05 03 12.6984686985 -69 01 37.040550805 11.218 12.01 12.166   12.443 O(f)+B1I? 18 0
42 SK -67 38 * 05 03 29.7203131436 -67 52 25.184505870 12.383 13.494 13.716   13.883 OB 19 0
43 Cl* NGC 1818 ROB D1 * 05 04 32.5 -66 24 51           ~ 8 0
44 SK -70 60 * 05 04 40.7778680984 -70 15 34.500345452 12.609 13.646 13.914   13.967 O4V 24 0
45 SK -70 69 * 05 05 18.6719268373 -70 25 49.876064190 12.586 13.616 13.854   14.074 O3V(f) 39 0
46 SK -68 41 * 05 05 27.1152780077 -68 10 02.642629560 10.855 11.868 12.01   12.086 B0.5Ia 48 0
47 HD 269074 * 05 06 16.0418220790 -70 29 35.671582738 10.291 11.0 11.1   11.443 OB 20 0
48 SK -70 79 * 05 06 37.2741893610 -70 29 24.197492393 11.703 12.704 12.766   12.723 OB 13 0
49 SK -67 46 * 05 07 01.5984379909 -67 37 29.664426803 11.406 12.228 12.339   12.436 B1.5I 14 0
50 HD 269050 s*b 05 07 20.4220012957 -68 32 08.572354312 10.593 11.581 11.54 11.46 11.55 B0Ia(e?) 64 0
51 SK -71 8 * 05 07 23.2585734076 -71 11 53.963857802 12.243 12.995 13.156   13.299 O9II 10 0
52 SV* HV 5622 EB* 05 09 29.2076255331 -68 55 02.611062825   14.81 14.798 15.08 14.929 ~ 12 0
53 HD 34169 WR* 05 09 40.4192565947 -68 53 24.755119043 12.773 13.47 13.65 14.02 13.697 WN4b+O5: 60 1
54 HD 269227 WR* 05 13 54.2798782060 -69 31 46.659015245 11.429 11.98 11.918 12.13 10.557 WN9/10+M2Ia 151 0
55 SK -67 69 * 05 14 20.0724897322 -67 08 03.171856399 11.950 13.012 13.040   13.330 O3III 24 0
56 HD 269314 * 05 17 05.6371631234 -70 19 23.041655645 11.243 12.344 12.376   12.431 B0I 12 0
57 HD 269333 WR* 05 18 19.2101847037 -69 11 40.655834630 10.375 11.23 11.29 11.47 11.412 WN+BI 56 0
58 BI 128 * 05 18 19.7745280393 -65 49 14.638629754 12.796 13.447 13.745   14.055 O9V 10 0
59 HD 269357 * 05 18 59.4794403994 -69 12 54.800414116   11.89 12.10     O6Ib(f) 52 0
60 HD 35517 WR* 05 19 16.3520500120 -69 39 20.008292786 11.193 11.754 11.58 12.36 11.953 WC4+O5/6III/V+O 82 0
61 SK -67 76 * 05 20 05.7168367998 -67 21 10.620388023 11.575 12.542 12.42   12.845 B0Ia 18 0
62 SK -65 44 * 05 20 18.4430503989 -65 24 08.083965770 12.599 13.414 13.643   13.868 OB: 10 0
63 SK -65 47 s*b 05 20 54.7193855739 -65 27 17.882181106 11.451 12.270 12.466   12.741 O4If 18 0
64 LHA 120-S 28 WR* 05 21 57.6943623106 -65 49 00.226696063 12.395 13.12 13.32 13.62 13.295 WN6h 42 0
65 2MASS J05221392-6758372 * 05 22 13.9390971306 -67 58 37.317030465 12.88 13.98 14.20     O7V((f)) 6 0
66 SK -71 19 * 05 22 15.7478302979 -71 21 39.300379699 13.153 14.031 14.227   14.436 OB 10 0
67 HD 36063 WR* 05 22 22.5297442838 -71 35 58.151974584 11.583 12.43 12.66 12.85 12.602 WN7 65 0
68 HD 269445 WR* 05 22 59.7854939490 -68 01 46.634598597 10.79 11.77 11.520 11.41 10.979 Ofpe/WN9 110 0
69 HD 36156 WR* 05 23 10.0577394262 -71 20 50.844036655 11.732 12.54 12.74 12.97 12.960 WC 40 0
70 HD 269463 * 05 23 28.4352104980 -68 12 23.345213722   11.99 12.05     OB 24 0
71 SK -66 78 * 05 23 30.3662721448 -66 42 11.342413012 11.463 12.164 12.22   11.241 OB 13 0
72 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15340 1
73 SK -69 124 * 05 25 18.2523127241 -69 03 11.491757380 11.583 12.664 12.826   12.791 OB 24 0
74 SK -67 101 * 05 25 56.2418446809 -67 30 28.813100962   12.46 12.63     O8II((f)) 30 1
75 HD 36402 WR* 05 26 03.9637508160 -67 29 57.087055949   11.25 11.621 11.65   (WC) 134 0
76 SK -67 105 EB* 05 26 06.1886202712 -67 10 56.785338528 11.785 12.27 12.42   11.661 OB 33 0
77 HD 269525 * 05 26 15.2210115162 -67 29 59.884311531   12.61 12.78     B0I 24 0
78 SK -67 107 * 05 26 20.6747023287 -67 29 55.653861735   12.38 12.50     B0I 18 0
79 [L72] LH 54-425 SB* 05 26 24.2505 -67 30 17.194   12.915 13.130     O3V+O5V 16 0
80 SK -67 108 * 05 26 26.4630922006 -67 37 20.457955046   12.320 12.525     OB 20 0
81 HD 36521 WR* 05 26 30.2634371012 -68 50 27.502484139   12.156 12.317 12.529   WC4+O6III/V+O 81 0
82 HD 269546 WR* 05 26 45.3199315750 -68 49 52.786974246 9.00 9.83 9.86 9.76 9.76 WN5b(h)+B3I 102 0
83 BI 170 * 05 26 47.6920860192 -69 06 12.020925555 11.823 12.914 13.116   12.975 O9.5Ib 25 0
84 SK -67 111 s*b 05 26 48.0782222412 -67 29 29.782065045   12.33 12.42     O6Iaf(n)pv 45 0
85 BI 173 * 05 27 09.9443110675 -69 07 56.453557872 11.85 12.86 13.00     O8III 25 0
86 LHA 120-S 35 Em* 05 27 17.8395729210 -66 22 05.631785570 12.458 11.5 13.056 13.14 12.484 ~ 27 1
87 SV* HV 2543 V* 05 27 27.3921523578 -67 11 54.504435858 11.913 13.014 13.206   13.055 OB 21 0
88 SK -67 118 * 05 27 33.3131976373 -67 17 30.356356791   12.79 12.99     OB 9 0
89 SK -70 91 ** 05 27 33.5736776673 -70 36 47.954697209 11.369 12.55 12.78   12.937 O2III(f*)+OB 26 0
90 SK -67 119 * 05 27 40.5702787743 -67 18 10.265893747   13.12 13.33     OB 9 0
91 SK -66 100 * 05 27 45.4472881165 -66 55 15.296369854 12.227 12.976 13.204   13.501 O6II(f) 44 0
92 CD-69 310 * 05 27 51.2043170217 -69 00 55.363726144 11.13 10.96 10.70     F2I 15 0
93 EM* MWC 112 s*y 05 28 21.9668610934 -68 59 48.268526900   11.84 11.45     F5Ia 41 0
94 HD 271294 * 05 28 39.4515328485 -65 39 00.629458961 11.919 12.40 12.56   12.240 OB 18 0
95 SK -66 106 * 05 29 00.9968028380 -66 38 27.790394420   12.64 12.72     OB 15 0
96 SV* HV 982 EB* 05 29 52.31 -69 09 22.6   14.76 14.648 14.99 14.761 ~ 46 0
97 SK -70 97 s*b 05 30 11.2505317092 -70 51 42.188805272 11.903 12.839 13.012   13.194 O9.7Iab 11 0
98 HD 37026 WR* 05 30 12.1637558730 -67 26 08.329160840 12.853 13.16 13.53 13.56 13.856 WC 68 0
99 NAME LMC 3 Supergiant Shell sh 05 30 26 -69 07.9           ~ 67 0
100 BI 184 * 05 30 30.6620234384 -71 02 31.605022044 13.033 13.830 13.926   13.954 B0.5V 15 0
101 SK -67 150 * 05 30 31.7101058380 -67 00 53.368557463 11.241 12.034 12.24   10.856 OB 11 0
102 W61 18-3 * 05 30 36.3501 -67 17 42.900   14.01 14.18     B2II 15 0
103 HD 37248 WR* 05 30 38.703 -71 01 47.80 12.319 12.983 12.99 13.39 13.413 WC4+O9 51 0
104 SK -71 41 s*b 05 30 40.1506749208 -71 05 37.083227429 11.906 12.643 12.775   12.769 O9.7Iab 13 0
105 Cl* NGC 2004 BBBC 485 * 05 30 47.3768082803 -67 17 23.260038363 12.982 13.740 13.863   13.925 B1.5Ib 16 0
106 HD 269668 * 05 31 00.8451212648 -68 53 57.093025233 11.919 10.161 12.01   10.592 OB 20 0
107 HD 269676 ** 05 31 15.654 -71 04 09.69 11.134 11.42 11.55 12.06 12.191 O6+O9: 75 0
108 HD 269687 WR* 05 31 25.5247019885 -69 05 38.555025424 10.86 11.78 11.87 12.05   WN11h 99 0
109 HD 269692 WR* 05 31 32.8700526346 -67 40 46.607545991 13.592 14.28 14.49 14.70 14.519 WN4b 43 0
110 NAME LMC 4 Supergiant Shell sh 05 31 33 -66 40.5           ~ 167 0
111 HD 269698 s*b 05 31 44.2083142709 -67 38 01.378514813 9.520 12.00 12.22 12.47 11.167 O4Ia 109 0
112 SK -67 169 * 05 31 51.5899405294 -67 02 22.243491596   12.06 12.18     B1Ia 25 0
113 SK -67 167 s*b 05 31 51.9126469266 -67 39 41.376030558 11.243 12.364 12.586   11.819 O4If+n 38 0
114 HD 269702 * 05 31 52.1191903356 -67 34 20.772958250   11.69 11.99     O8I(f)p 27 0
115 HD 269714 Cl* 05 32 11.4800746706 -67 41 15.671075870 9.463 12.06 12.77   11.026 OB 22 0
116 BI 196 * 05 32 19.1646812640 -67 49 50.363595265 13.36 14.40 14.60     O9V 5 0
117 X LMC X-4 HXB 05 32 49.5558669817 -66 22 13.202534152   13.9 14.0     O8III 618 0
118 HD 269748 WR* 05 33 10.5705967402 -67 42 43.055762502 12.093 13.054 13.186   12.828 WN4b+O8: 47 0
119 SK -67 191 * 05 33 34.0159625782 -67 30 19.744843272 12.153 13.214 13.436   14.838 O8V 25 0
120 SV* HV 5936 EB* 05 33 38.82 -66 37 40.0   15.01 14.741 15.25 14.911 ~ 32 0
121 BI 208 * 05 33 57.3356464592 -67 24 20.182430788 12.742 13.716 13.921   14.141 O7V 18 0
122 HD 37680 WR* 05 34 19.2497853756 -69 45 10.298101295 12.807 12.98 13.25 13.21 13.490 WC 67 1
123 OGLE BRIGHT-LMC-ECL-17 EB* 05 34 41.3495961530 -69 31 38.667505484 12.739 13.672 14.050 13.79 13.966 O3If+O6V 21 0
124 SK -67 205 * 05 34 52.8643935970 -67 16 20.418364510   13.51 13.71     OB: 8 0
125 HD 269810 Em* 05 35 13.8987303206 -67 33 27.540351680   12.08 12.22 12.53   O3III(f*) 100 0
126 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4585 2
127 BI 237 * 05 36 14.6329670483 -67 39 19.168530216 12.865 13.790 13.830   13.948 O2V(f*) 33 0
128 HD 38029A WR* 05 36 54.633 -69 11 38.08           WC4 54 1
129 SK -66 169 s*b 05 36 54.6614257665 -66 38 22.426839132   12.43 12.56     O9.7Ia+ 32 0
130 HD 38029 ** 05 36 55.17 -69 11 37.7 14.523 11.71 11.56 11.91 11.680 ~ 58 0
131 HD 38029B s*b 05 36 55.178 -69 11 37.47           B1Ia+ 54 1
132 HD 269889 * 05 37 02.4208235634 -66 38 37.033463255 11.381 10.246 12.19   11.390 OB 16 0
133 SK -66 172 * 05 37 05.3866803996 -66 21 35.035689408   13.01 13.1     OB 38 0
134 BI 253 * 05 37 34.4596743399 -69 01 10.179743278 12.765 13.650 13.669   13.742 O2V(f*) 41 0
135 HD 269896 s*b 05 37 49.1360518133 -68 55 01.642483154 11.338 9.493 11.449 11.49   ON9.7Ia+ 80 0
136 SK -68 137 * 05 38 24.6790604458 -68 52 32.955024368 12.243 13.274 13.346   13.242 OB 39 0
137 RMC 136 Cl* 05 38 42.396 -69 06 03.36           ~ 1788 1
138 HD 38282 WR* 05 38 53.3788120199 -69 02 00.896643506   10.98 11.11 11.26   WN5/6h+WN6/7h 152 1
139 HD 269927 ** 05 38 58.856976 -69 29 22.47504     10.68 11.23   B0I+O7If 27 0
140 RMC 149 * 05 39 58.7451762905 -69 44 04.070717721 11.645 12.442 12.517   12.227 O8.5II((f)) 31 0
141 SK -66 185 s*b 05 42 30.4985027017 -66 18 10.829151304 11.981 12.922 13.11   13.225 B0Iab 10 0
142 [MLD95] LMC 2-703 * 05 43 08.4078820142 -67 50 53.344323018 13.062 13.964 14.150   14.465 O9.5V 13 0
143 [L72] LH 114-7 * 05 43 13.0005 -67 51 16.007   13.41 13.66     O2III(f*)+OV 14 0
144 SK -67 250 EB* 05 43 15.6407279080 -67 51 10.459564085 11.314 12.631 12.541   12.781 OB 16 0
145 [MLD95] LMC 2-755 * 05 43 16.0582824198 -67 49 51.527056563   14.15 14.37     O7V 14 0
146 BI 272 * 05 44 23.1094405128 -67 14 29.219368741 12.163 13.127 13.201   13.524 O7III 23 0
147 LHA 120-S 61 WR* 05 45 51.9393679113 -67 14 25.939050679 10.870 11.86 11.95 12.09 11.931 WN11h 77 0
148 HD 270145 s*b 05 48 49.6518988004 -70 03 57.836005522 10.903 12.110 12.166     O6.5Iaf 44 1
149 HD 270220 s*b 05 50 22.9856581498 -68 11 24.662912134 11.051 11.960 12.001   12.171 B0.7Ia 24 0
150 HD 270196 s*b 05 51 20.7798443673 -70 17 09.300938148 10.038 11.490 11.6   11.646 B1.5Ia 44 0
151 NAME Magellanic Leading Arm reg 11 26 -82.0           ~ 80 0
152 M 5 GlC 15 18 33.22 +02 04 51.7   7.34 5.95     ~ 1814 0
153 NAME HVC Complex C HVC 16 34.8 +63 07           ~ 230 1

    Equat.    Gal    SGal    Ecl

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2021.05.09-07:19:36

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