2002ApJ...565..994B

Query : 2002ApJ...565..994B

2002ApJ...565..994B - Astrophys. J., 565, 994-1010 (2002/February-1)

The effects of dust in simple environments: Large Magellanic Cloud H II regions.

BELL E.F., GORDON K.D., KENNICUTT R.C.Jr and ZARITSKY D.

Abstract (from CDS):

We investigate the effects of dust on Large Magellanic Cloud (LMC) H II region spectral energy distributions using arcminute-resolution far-ultraviolet (FUV), Hα, far-infrared (FIR), and radio images. Widely used indicators of the amount of light lost to dust (attenuation) at Hα and in the FUV correlate with each other, although often with substantial scatter. There are two interesting systematic discrepancies: First, Hα attenuations estimated from the Balmer decrement are lower than those estimated from the Hα-to-thermal radio luminosity ratio. Our data, at this stage, cannot unambiguously identify the source of this discrepancy. Second, the attenuation at 1500 Å and the UV spectral slope, β, correlate, although the slope and scatter are substantially different from the correlation first derived for starbursting galaxies by Calzetti et al. Combining our result with those of Meurer et al. for ultraluminous infrared galaxies and Calzetti et al. for starbursting galaxies, we conclude that no single relation between β and 1500 Å attenuation is applicable to all star-forming systems.

Abstract Copyright: ∼

Journal keyword(s): ISM: Dust, Extinction - Galaxies: Individual: Name: Large Magellanic Cloud - ISM: H II Regions - Galaxies: Magellanic Clouds - Stars: Formation - Ultraviolet: Galaxies

Simbad objects: 77

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Number of rows : 77
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 LHA 120-N 77E HII 04 49 47 -69 12.0           ~ 13 0
3 BRHT 1a Cl* 04 51 51.3 -69 23 26           ~ 42 0
4 LHA 120-N 79A EmO 04 51 52.1336653200 -69 23 31.365886992       15.05 14.17 ~ 37 0
5 NGC 1722 HII 04 51 53.36 -69 23 25.9           ~ 77 0
6 LHA 120-N 79B EmO 04 51 53.6744720568 -69 23 28.684377312         13.38 ~ 30 0
7 2MASS J04520038-6923422 Y*O 04 52 00.4747767816 -69 23 42.341552016         16.55 ~ 27 0
8 NGC 1714 EmO 04 52 08.4 -66 55 23   11.51 11.61     ~ 88 2
9 NGC 1715 EmO 04 52 11.7 -66 54 29           ~ 25 0
10 NGC 1727 HII 04 52 13.0 -69 20 20           ~ 52 0
11 LHA 120-N 79E HII 04 52 17.2 -69 20 13           ~ 44 0
12 LHA 120-N 79D HII 04 52 27.1 -69 21 42           ~ 10 0
13 LHA 120-N 83 HII 04 54 15 -69 10.6           ~ 43 0
14 NGC 1760 HII 04 56 20.8 -66 32 13           ~ 32 0
15 NGC 1763 As* 04 56 51.5 -66 24 25     9.40     ~ 169 3
16 NGC 1769 As* 04 57 44.5 -66 27 42           ~ 73 1
17 LHA 120-N 11D EmO 04 57.8 -66 28           ~ 18 0
18 NGC 1773 HII 04 58 12.0 -66 21 36           ~ 55 1
19 NGC 1770 HII 04 58 29.7 -68 27 02           ~ 50 1
20 LHA 120-N 23A HII 05 05 00.0 -68 03 33     12.13     ~ 28 2
21 LHA 120-N 103B EmO 05 08 47.8 -68 45 39           ~ 244 1
22 SNR J050854-684447 SNR 05 08 59.26 -68 43 33.9           ~ 157 2
23 LHA 120-N 105A HII 05 09 34.3 -68 53 45           ~ 58 1
24 LHA 120-N 113 HII 05 13 21.7 -69 21 33           ~ 125 1
25 LHA 120-N 30C EmO 05 13 48 -67 27.0           ~ 15 0
26 LHA 120-N 30B EmO 05 13 49 -67 27.3           ~ 14 0
27 LHA 120-N 119 HII 05 18 39.2 -69 13 22           ~ 58 1
28 LHA 120-N 120B EmO 05 19 05 -69 38.8           ~ 16 0
29 LHA 120-N 120A EmO 05 19 16 -69 38.2           ~ 23 0
30 LHA 120-N 120C EmO 05 19 22 -69 39.3           ~ 14 0
31 CD-68 294 As* 05 21 58 -67 57.3           ~ 112 0
32 IC 2127 EmO 05 22 12.532 -67 58 31.92     11.60     ~ 107 1
33 LHA 120-N 44I HII 05 22 26.6 -67 54 16   10.45 10.37     ~ 36 2
34 IC 2128 HII 05 23 01.0 -68 02 13     11.10     ~ 42 1
35 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
36 NGC 1949 Cl* 05 24 58.2 -68 28 41     12.39     ~ 30 1
37 LHA 120-N 51D HII 05 25 17.3 -67 22 47           ~ 119 0
38 LHA 120-N 48A EmO 05 25 49 -66 15.1           ~ 11 0
39 LHA 120-N 48C HII 05 26 02.2 -66 14 53           ~ 13 0
40 LHA 120-N 51E HII 05 26 24 -67 37.4           ~ 8 1
41 LHA 120-N 143 HII 05 26 28.6 -69 18 58   11.32 11.52     ~ 23 1
42 NGC 1966 Cl* 05 26 30.4 -68 49 02     11.83     ~ 30 0
43 LHA 120-N 144B EmO 05 26 32 -68 48.8           ~ 12 0
44 LHA 120-N 51C EmO 05 27 39 -67 27.3           ~ 14 0
45 LHA 120-N 51A HII 05 27 57 -67 25.4           ~ 25 1
46 LHA 120-N 148 HII 05 32 10.9 -68 28 23           ~ 35 0
47 LHA 120-N 55A SFR 05 32 28 -66 28.0           ~ 29 0
48 LHA 120-N 57A HII 05 32 28.2 -67 42 11           ~ 52 1
49 LHA 120-N 55 EmO 05 32 32.9 -66 24 20           ~ 46 0
50 NGC 2032 HII 05 35 23.5 -67 34 56           ~ 75 1
51 SNR B0535-66.0 SNR 05 35 43.1 -66 01 59           ~ 193 1
52 NGC 2048 EmO 05 35 55 -69 39.0   12.05 12.17     N 26 0
53 LHA 120-N 64A EmO 05 36 58 -66 21.6           ~ 12 0
54 LHA 120-N 64B HII 05 37 00 -66 21.0           ~ 11 0
55 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1276 2
56 LHA 120-N 158 HII 05 39 11.220 -69 30 13.65           ~ 93 0
57 NGC 2081 HII 05 39 11.8 -69 30 16           ~ 54 1
58 NGC 2077 Cl* 05 39 34.5 -69 39 19   11.71 11.71     ~ 42 1
59 NGC 2080 HII 05 39 42.6 -69 38 50           ~ 100 0
60 LHA 120-N 159 HII 05 39 46.650 -69 45 39.94           ~ 293 2
61 NGC 2085 Cl* 05 40 08.6 -69 40 20     12.06     ~ 21 0
62 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
63 NGC 2086 Cl* 05 40 23.9 -69 40 17     12.00     ~ 28 1
64 LHA 120-N 160E EmO 05 40 27 -69 41.7           ~ 6 0
65 LHA 120-N 175 HII 05 40 46.7 -70 02 34           ~ 19 1
66 NAME LMC 2 Supergiant Shell sh 05 41 27 -69 22.4           ~ 200 0
67 NGC 2103 As* 05 41 38.1 -71 19 49     10.82     ~ 58 0
68 NGC 2100 Cl* 05 42 07.200 -69 12 26.99           ~ 195 0
69 LHA 120-N 164 EmO 05 42 34 -69 04.9           ~ 20 0
70 LHA 120-N 163 HII 05 43 04.6 -69 45 57           ~ 24 0
71 SNR B0543-68.9 SNR 05 43 08 -68 58.3           ~ 58 0
72 LHA 120-N 180A EmO 05 48 44 -70 03.2           ~ 17 0
73 NGC 2122 As* 05 48 55 -70 04.1     10.43     ~ 92 0
74 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
75 LHA 120-N 55N EmO ~ ~           ~ 2 0
76 LHA 120-N 113S EmO ~ ~           ~ 2 0
77 LHA 120-N 113N EmO ~ ~           ~ 3 0

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