CDS

2016A&A...595A..43R

Query : 2016A&A...595A..43R

2016A&A...595A..43R - Astronomy and Astrophysics, volume 595A, 43-43 (2016/11-1)

Dust properties in H II regions in M 33.

RELANO M., KENNICUTT R., LISENFELD U., VERLEY S., HERMELO I., BOQUIEN M., ALBRECHT M., KRAMER C., BRAINE J., PEREZ-MONTERO E., DE LOOZE I., XILOURIS M., KOVACS A. and STAGUHN J.

Abstract (from CDS):

Context. The infrared emission (IR) of the interstellar dust has been claimed to be a tracer of the star formation rate. However, the conversion of theIR emission into star formation rate can be strongly dependent on the physical properties of the dust, which are affected by the environmental conditions where the dust is embedded.
Aims. We study here the dust properties of a set of HII regions in the Local Group galaxy M 33 presenting different spatial configurations between the stars, gas, and dust to understand the dust evolution in different environments.
Methods. We modelled the spectral energy distribution (SED) of each region using the DustEM tool and obtained the mass relative to hydrogen for very small grains (VSG, YVSG), polycyclic aromatic hydrocarbons (YPAH), and big grains (BG, YBG). We furthermore performed a pixel-by-pixel SED modelling and derived maps of the relative mass of each grain type for the whole surface of the two most luminous HII regions in M 33, NGC 604 and NGC 595.
Results. The relative mass of the VSGs (YVSG/YTOTAL) changes with the morphology of the region: YVSG/YTOTAL is a factor of ∼1.7 higher for HII regions classified as filled and mixed than for regions presenting a shell structure. The enhancement in VSGs within NGC 604 and NGC 595 is correlated to expansive gas structures with velocities ≥50km/s. The gas-to-dust ratio derived for the HII regions in our sample exhibits two regimes related to the HI-H2 transition of the interstellar medium (ISM). Regions corresponding to the HI diffuse regime present a gas-to-dust ratio compatible with the expected value if we assume that the gas-to-dust ratio scales linearly with metallicity, while regions corresponding to a H2 molecular phase present a flatter dust-gas surface density distribution.
Conclusions. The fraction of VSGs can be affected by the conditions of the interstellar environment: strong shocks of ∼50-90km/s existing in the interior of the most luminous HII regions can lead to fragmentation of BGs into smaller ones, while the more evolved shell and clear shell objects provide a more quiescent environment where reformation of dust BGs might occur. The gas-to-dust variations found in this analysis might imply that grain coagulation and/or gas-phase metal incorporation into the dust mass is occurring in the interior of the HII regions in M 33.

Abstract Copyright: © ESO, 2016

Journal keyword(s): galaxies: individual: M 33 - galaxies: ISM - HII regions - ISM: bubbles - dust, extinction - infrared: ISM

VizieR on-line data: <Available at CDS (J/A+A/595/A43): tablea1.dat tablea2.dat>

Simbad objects: 129

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Number of rows : 129
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10857 1
2 [RVP2013] 1 HII 01 32 32.330 +30 35 03.97           ~ 2 0
3 [RVP2013] 2 HII 01 32 34.685 +30 30 27.45           ~ 2 0
4 [RVP2013] 3 HII 01 32 34.687 +30 27 29.01           ~ 2 0
5 BCLMP 281 HII 01 32 37.566 +30 40 08.76     12.2     ~ 6 1
6 [RVP2013] 5 HII 01 32 44.823 +30 34 58.75           ~ 2 0
7 [RVP2013] 6 HII 01 32 44.903 +30 25 10.88           ~ 2 0
8 [RVP2013] 7 HII 01 32 45.500 +30 38 55.18           ~ 2 0
9 [RVP2013] 8 HII 01 32 46.135 +30 20 25.64           ~ 2 0
10 [RVP2013] 9 HII 01 32 51.918 +30 29 54.64           ~ 2 0
11 [RVP2013] 10 HII 01 32 52.458 +30 34 57.00           ~ 2 0
12 [RVP2013] 11 HII 01 32 52.578 +30 38 17.46           ~ 2 0
13 [RVP2013] 12 HII 01 32 53.934 +30 23 18.05           ~ 2 0
14 [RVP2013] 13 HII 01 32 56.280 +30 40 34.37           ~ 2 0
15 [RVP2013] 14 HII 01 32 56.655 +30 27 25.20           ~ 2 0
16 [RVP2013] 15 HII 01 32 58.381 +30 35 58.24           ~ 2 0
17 [RVP2013] 16 HII 01 32 59.261 +30 44 20.36           ~ 2 0
18 [RVP2013] 17 HII 01 33 00.968 +30 30 53.08           ~ 2 0
19 [RVP2013] 18 HII 01 33 03.079 +30 11 22.52           ~ 2 0
20 [RVP2013] 19 HII 01 33 07.361 +30 42 40.20           ~ 2 0
21 [RVP2013] 20 HII 01 33 08.571 +30 29 54.02           ~ 3 0
22 [RVP2013] 21 HII 01 33 10.283 +30 27 24.12           ~ 2 0
23 [RVP2013] 22 HII 01 33 11.174 +30 23 20.86           ~ 2 0
24 [RVP2013] 23 HII 01 33 11.303 +30 45 15.32           ~ 2 0
25 [RVP2013] 24 HII 01 33 12.083 +30 48 56.26           ~ 2 0
26 VGHC 2-22 HII 01 33 12.188 +30 38 47.14           ~ 80 0
27 [RVP2013] 26 HII 01 33 12.251 +30 34 17.32           ~ 2 0
28 [RVP2013] 27 HII 01 33 14.743 +30 32 32.25           ~ 2 0
29 [RVP2013] 28 HII 01 33 15.673 +30 56 40.94           ~ 2 0
30 [RVP2013] 29 HII 01 33 15.870 +30 53 24.88           ~ 2 0
31 [RVP2013] 30 HII 01 33 15.912 +30 44 57.64           ~ 2 0
32 [RVP2013] 31 HII 01 33 18.702 +30 27 05.01           ~ 2 0
33 CPSDP 43A HII 01 33 22.130 +30 26 20.43     13.5     ~ 4 0
34 [RVP2013] 33 HII 01 33 23.026 +30 50 23.31           ~ 2 0
35 [RVP2013] 34 HII 01 33 24.625 +30 30 47.45           ~ 2 0
36 [RVP2013] 35 HII 01 33 24.933 +30 25 23.95           ~ 2 0
37 BCLMP 608 HII 01 33 25.45 +30 47 32.5           ~ 5 0
38 [RVP2013] 37 HII 01 33 26.787 +30 38 58.10           ~ 2 0
39 [RVP2013] 38 HII 01 33 27.523 +31 00 35.30           ~ 2 0
40 [RVP2013] 39 HII 01 33 27.549 +30 45 52.35           ~ 2 0
41 [RVP2013] 40 HII 01 33 28.248 +30 52 49.29           ~ 2 0
42 [RVP2013] 41 HII 01 33 29.375 +30 31 46.36           ~ 2 0
43 [RVP2013] 42 HII 01 33 29.626 +30 40 31.43           ~ 2 0
44 [RVP2013] 43 HII 01 33 30.975 +30 59 36.18           ~ 2 0
45 [RVP2013] 44 HII 01 33 33.209 +30 41 40.99           ~ 2 0
46 NGC 595 HII 01 33 33.53 +30 41 29.8           ~ 203 0
47 [RVP2013] 45 HII 01 33 33.863 +30 37 38.97           ~ 2 0
48 [RVP2013] 46 HII 01 33 34.840 +30 48 35.30           ~ 2 0
49 [RVP2013] 47 HII 01 33 35.078 +30 37 03.04           ~ 2 0
50 [RVP2013] 48 HII 01 33 35.110 +31 00 54.44           ~ 2 0
51 [RVP2013] 49 HII 01 33 35.786 +30 39 32.81           ~ 2 0
52 [RVP2013] 50 HII 01 33 36.596 +30 50 42.94           ~ 2 0
53 [RVP2013] 51 HII 01 33 36.742 +30 20 06.00           ~ 2 0
54 [RVP2013] 52 HII 01 33 39.232 +30 32 43.33           ~ 2 0
55 [RVP2013] 53 HII 01 33 39.542 +30 38 06.13           ~ 3 0
56 [RVP2013] 54 HII 01 33 42.539 +30 22 52.11           ~ 2 0
57 [RVP2013] 55 HII 01 33 44.164 +30 44 43.52           ~ 2 0
58 [RVP2013] 56 HII 01 33 44.499 +31 02 04.51           ~ 2 0
59 [RVP2013] 57 HII 01 33 45.360 +30 21 38.68           ~ 2 0
60 [RVP2013] 58 HII 01 33 45.466 +30 36 29.63           ~ 3 0
61 [RVP2013] 59 HII 01 33 46.951 +30 27 21.04           ~ 2 0
62 [RVP2013] 60 HII 01 33 47.819 +30 50 50.74           ~ 2 0
63 [RVP2013] 61 HII 01 33 49.944 +30 51 39.58           ~ 2 0
64 [RVP2013] 62 HII 01 33 50.889 +30 56 35.44           ~ 2 0
65 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5729 1
66 [RVP2013] 63 HII 01 33 53.066 +30 39 06.70           ~ 2 0
67 [RVP2013] 64 HII 01 33 54.197 +30 33 03.51           ~ 2 0
68 [RVP2013] 65 HII 01 33 54.236 +30 35 28.30           ~ 2 0
69 CPSDP 148A HII 01 33 54.40 +30 27 51.9     12.4     ~ 4 0
70 [RVP2013] 66 HII 01 33 55.314 +30 43 24.04           ~ 2 0
71 [RVP2013] 67 HII 01 33 55.680 +30 45 24.51           ~ 2 0
72 [RVP2013] 68 HII 01 33 56.002 +30 19 54.11           ~ 2 0
73 [RVP2013] 70 HII 01 33 56.659 +30 32 02.44           ~ 2 0
74 [RVP2013] 71 HII 01 33 57.505 +30 42 15.57           ~ 3 0
75 [RVP2013] 72 HII 01 34 01.742 +30 46 32.53           ~ 2 0
76 [RVP2013] 73 HII 01 34 02.462 +30 36 27.67           ~ 2 0
77 [RVP2013] 74 HII 01 34 02.764 +30 38 44.53           ~ 3 0
78 [RVP2013] 75 HII 01 34 02.958 +30 51 26.34           ~ 2 0
79 [RVP2013] 76 HII 01 34 03.753 +30 54 55.31           ~ 2 0
80 [RVP2013] 77 HII 01 34 06.329 +30 48 54.82           ~ 2 0
81 [RVP2013] 78 HII 01 34 06.817 +30 41 45.58           ~ 2 0
82 [RVP2013] 79 HII 01 34 07.340 +30 47 31.72           ~ 2 0
83 [RVP2013] 80 HII 01 34 07.549 +30 33 58.71           ~ 2 0
84 BCLMP 647 HII 01 34 09.071 +31 02 00.48     15.3     ~ 4 1
85 [RVP2013] 82 HII 01 34 10.018 +30 31 56.11           ~ 2 0
86 [RVP2013] 83 HII 01 34 10.505 +30 21 52.11           ~ 2 0
87 [RVP2013] 84 HII 01 34 10.891 +31 03 17.44           ~ 2 0
88 [RVP2013] 85 HII 01 34 11.082 +30 36 10.08           ~ 3 0
89 [RVP2013] 86 HII 01 34 12.803 +30 52 26.74           ~ 2 0
90 [RVP2013] 87 HII 01 34 13.301 +31 09 14.58           ~ 2 0
91 [RVP2013] 88 HII 01 34 14.241 +31 04 44.77           ~ 2 0
92 CPSDP 297 HII 01 34 15.273 +31 10 46.66     15.3     ~ 3 0
93 [RVP2013] 90 HII 01 34 15.776 +30 37 10.75           ~ 2 0
94 [RVP2013] 91 HII 01 34 17.115 +30 51 51.83           ~ 2 0
95 BCLMP 746 HII 01 34 20.140 +30 44 18.73           ~ 4 0
96 [RVP2013] 93 HII 01 34 21.962 +30 45 46.91           ~ 2 0
97 [RVP2013] 94 HII 01 34 24.461 +30 31 13.03           ~ 2 0
98 [RVP2013] 95 HII 01 34 24.519 +30 54 50.28           ~ 2 0
99 [RVP2013] 96 HII 01 34 28.949 +30 53 33.18           ~ 2 0
100 [RVP2013] 97 HII 01 34 30.665 +30 57 20.07           ~ 2 0
101 NGC 604 HII 01 34 32.1 +30 47 01           ~ 582 0
102 [RVP2013] 98 HII 01 34 33.060 +30 47 01.71           ~ 2 0
103 [RVP2013] 99 HII 01 34 33.726 +31 00 31.15           ~ 2 0
104 [RVP2013] 100 HII 01 34 33.890 +30 35 23.66           ~ 2 0
105 [RVP2013] 101 HII 01 34 35.593 +30 42 26.99           ~ 2 0
106 [RVP2013] 102 HII 01 34 37.343 +30 34 52.93           ~ 2 0
107 [RVP2013] 103 HII 01 34 38.019 +30 57 28.13           ~ 2 0
108 [RVP2013] 104 HII 01 34 38.868 +30 44 03.03           ~ 2 0
109 [RVP2013] 105 HII 01 34 39.091 +31 02 27.84           ~ 2 0
110 [RVP2013] 106 HII 01 34 39.813 +30 41 49.57           ~ 2 0
111 [RVP2013] 107 HII 01 34 41.427 +30 28 00.16           ~ 2 0
112 CPSDP 360 HII 01 34 41.641 +30 37 29.54     12.1     ~ 3 0
113 [RVP2013] 109 HII 01 34 42.835 +30 31 44.95           ~ 2 0
114 [RVP2013] 110 HII 01 34 49.060 +31 07 47.26           ~ 2 0
115 [RVP2013] 111 HII 01 34 49.718 +30 54 49.90           ~ 2 1
116 [RVP2013] 112 HII 01 34 50.644 +30 36 16.59           ~ 2 0
117 [RVP2013] 113 HII 01 34 54.748 +30 41 15.45           ~ 2 0
118 [RVP2013] 114 HII 01 34 56.466 +30 36 34.42           ~ 2 0
119 [RVP2013] 115 HII 01 35 00.940 +30 38 16.81           ~ 2 0
120 [RVP2013] 116 HII 01 35 03.775 +30 37 08.86           ~ 2 0
121 [RVP2013] 117 HII 01 35 04.603 +30 40 52.88           ~ 2 0
122 [RVP2013] 118 HII 01 35 06.822 +30 41 55.06           ~ 2 0
123 [RVP2013] 119 HII 01 35 10.605 +30 45 24.21           ~ 2 0
124 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1679 1
125 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4263 0
126 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17000 1
127 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4250 4
128 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2475 2
129 NAME Local Group GrG ~ ~           ~ 8158 0

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2023.10.05-05:34:39

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