2013ApJ...774...73I


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.14CET16:19:22

2013ApJ...774...73I - Astrophys. J., 774, 73 (2013/September-1)

ALMA resolves 30 Doradus: sub-parsec molecular cloud structure near the closest super star cluster.

INDEBETOUW R., BROGAN C., CHEN C.-H.R., LEROY A., JOHNSON K., MULLER E., MADDEN S., CORMIER D., GALLIANO F., HUGHES A., HUNTER T., KAWAMURA A., KEPLEY A., LEBOUTEILLER V., MEIXNER M., OLIVEIRA J.M., ONISHI T. and VASYUNINA T.

Abstract (from CDS):

We present Atacama Large (sub)Millimeter Array observations of 30 Doradus–the highest resolution view of molecular gas in an extragalactic star formation region to date (∼0.4 pcx0.6 pc). The 30Dor-10 cloud north of R136 was mapped in 12CO 2-1, 13CO 2-1, C18O 2-1, 1.3 mm continuum, the H30α recombination line, and two H2 CO 3-2 transitions. Most 12CO emission is associated with small filaments and clumps ( ≲ 1 pc, ∼103 M at the current resolution). Some clumps are associated with protostars, including "pillars of creation" photoablated by intense radiation from R136. Emission from molecular clouds is often analyzed by decomposition into approximately beam-sized clumps. Such clumps in 30 Doradus follow similar trends in size, linewidth, and surface density to Milky Way clumps. The 30 Doradus clumps have somewhat larger linewidths for a given size than predicted by Larson's scaling relation, consistent with pressure confinement. They extend to a higher surface density at a given size and linewidth compared to clouds studied at 10 pc resolution. These trends are also true of clumps in Galactic infrared-dark clouds; higher resolution observations of both environments are required. Consistency of clump masses calculated from dust continuum, CO, and the virial theorem reveals that the CO abundance in 30 Doradus clumps is not significantly different from the Large Magellanic Cloud mean, but the dust abundance may be reduced by ∼2. There are no strong trends in clump properties with distance from R136; dense clumps are not strongly affected by the external radiation field, but there is a modest trend toward lower dense clump filling fraction deeper in the cloud.

Abstract Copyright:

Journal keyword(s): ISM: clouds - ISM: individual: 30 Doradus nebula - ISM: structure - Magellanic Clouds - radio lines: ISM - stars: protostars

VizieR on-line data: <Available at CDS (J/ApJ/774/73): table3.dat>

Nomenclature: Table 3: [IBC2013] NNN (Nos 1-103).

Simbad objects: 121

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Number of rows : 121

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9107 1
2 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 942 3
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5386 1
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14348 1
5 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1026 2
6 [IBC2013] 1 cor 05 38 40.53 -69 04 53.5           ~ 1 0
7 [IBC2013] 2 cor 05 38 40.77 -69 04 32.7           ~ 1 0
8 NGC 2070 Cl* 05 38 42 -69 06.0     7.25     ~ 318 1
9 RMC 136 Cl* 05 38 42.396 -69 06 03.36   9.63 9.50     ~ 1677 2
10 [IBC2013] 3 cor 05 38 44.08 -69 05 12.9           ~ 1 0
11 [IBC2013] 17 cor 05 38 44.23 -69 04 55.6           ~ 1 0
12 [IBC2013] 16 cor 05 38 44.52 -69 04 57.7           ~ 1 0
13 [IBC2013] 15 cor 05 38 44.69 -69 04 57.9           ~ 1 0
14 [IBC2013] 44 cor 05 38 44.95 -69 04 38.9           ~ 1 0
15 2MASS J05384507-6905086 Y*O 05 38 45.073 -69 05 08.64   14.73 14.72     O9V(n)p 18 0
16 [IBC2013] 4 cor 05 38 45.12 -69 05 06.6           ~ 1 0
17 [IBC2013] 19 cor 05 38 45.21 -69 04 52.0           ~ 1 0
18 [IBC2013] 45 cor 05 38 45.39 -69 04 40.6           ~ 1 0
19 [IBC2013] 46 cor 05 38 45.43 -69 04 39.7           ~ 1 0
20 [IBC2013] 18 cor 05 38 45.45 -69 04 56.3           ~ 1 0
21 [IBC2013] 48 cor 05 38 45.60 -69 04 33.3           ~ 1 0
22 [IBC2013] 7 cor 05 38 45.65 -69 05 08.5           ~ 1 0
23 [IBC2013] 5 cor 05 38 45.65 -69 05 04.9           ~ 1 0
24 [IBC2013] 6 cor 05 38 45.68 -69 05 03.3           ~ 1 0
25 [IBC2013] 20 cor 05 38 45.80 -69 04 50.5           ~ 1 0
26 [IBC2013] 8 cor 05 38 45.81 -69 05 08.7           ~ 1 0
27 [IBC2013] 47 cor 05 38 45.85 -69 04 38.3           ~ 1 0
28 [IBC2013] 9 cor 05 38 46.04 -69 05 06.6           ~ 1 0
29 [IBC2013] 14 cor 05 38 46.17 -69 05 01.7           ~ 1 0
30 [IBC2013] 38 cor 05 38 46.18 -69 04 47.2           ~ 1 0
31 [IBC2013] 10 cor 05 38 46.32 -69 05 07.7           ~ 2 0
32 [IBC2013] 13 cor 05 38 46.33 -69 05 02.3           ~ 1 0
33 [IBC2013] 37 cor 05 38 46.38 -69 04 48.7           ~ 1 0
34 [IBC2013] 27 cor 05 38 46.47 -69 04 56.6           ~ 1 0
35 [IBC2013] 41 cor 05 38 46.49 -69 04 40.2           ~ 1 0
36 [IBC2013] 12 cor 05 38 46.58 -69 05 04.1           ~ 1 0
37 [IBC2013] 62 cor 05 38 46.63 -69 04 30.5           ~ 1 0
38 [IBC2013] 39 cor 05 38 46.71 -69 04 45.0           ~ 1 0
39 [IBC2013] 42 cor 05 38 46.76 -69 04 41.2           ~ 1 0
40 SSTISAGEMA J053846.84-690505.4 IR 05 38 46.84 -69 05 05.4           ~ 8 0
41 [IBC2013] 11 cor 05 38 46.88 -69 05 04.9           ~ 1 0
42 [IBC2013] 28 cor 05 38 46.90 -69 04 56.4           ~ 1 0
43 30Dor-NIC 12d Y*O 05 38 47.02 -69 05 01.7           ~ 10 0
44 [IBC2013] 21 cor 05 38 47.05 -69 05 00.3           ~ 1 0
45 [IBC2013] 23 cor 05 38 47.09 -69 04 56.7           ~ 1 0
46 [IBC2013] 40 cor 05 38 47.13 -69 04 39.5           ~ 1 0
47 [IBC2013] 30 cor 05 38 47.15 -69 04 53.1           ~ 1 0
48 [IBC2013] 43 cor 05 38 47.17 -69 04 42.1           ~ 1 0
49 [IBC2013] 100 cor 05 38 47.21 -69 04 11.5           ~ 1 0
50 [IBC2013] 36 cor 05 38 47.28 -69 04 47.5           ~ 1 0
51 [IBC2013] 99 cor 05 38 47.28 -69 04 11.7           ~ 1 0
52 [IBC2013] 102 cor 05 38 47.35 -69 04 10.1           ~ 1 0
53 [IBC2013] 59 cor 05 38 47.43 -69 04 34.8           ~ 1 0
54 [IBC2013] 63 cor 05 38 47.48 -69 04 29.6           ~ 1 0
55 [IBC2013] 24 cor 05 38 47.53 -69 05 00.4           ~ 1 0
56 [IBC2013] 22 cor 05 38 47.60 -69 04 57.9           ~ 1 0
57 [IBC2013] 31 cor 05 38 47.65 -69 04 54.6           ~ 1 0
58 [IBC2013] 34 cor 05 38 47.73 -69 04 50.9           ~ 1 0
59 [IBC2013] 32 cor 05 38 47.75 -69 04 54.0           ~ 1 0
60 [IBC2013] 25 cor 05 38 47.76 -69 05 02.0           ~ 1 0
61 [IBC2013] 103 cor 05 38 47.76 -69 04 13.7           ~ 1 0
62 [IBC2013] 49 cor 05 38 47.78 -69 04 41.4           ~ 1 0
63 [IBC2013] 61 cor 05 38 47.86 -69 04 30.8           ~ 1 0
64 Dor IRS 129 Y*O 05 38 48.0 -69 04 16           ~ 5 0
65 NAME Walborn 2 ** 05 38 48.1018 -69 04 42.239   15.66 15.39     O2V((f*))z 25 0
66 [IBC2013] 60 cor 05 38 48.13 -69 04 31.2           ~ 1 0
67 2MASS J05384813-6904117 Y*O 05 38 48.138 -69 04 11.72           ~ 4 0
68 [IBC2013] 26 cor 05 38 48.16 -69 04 58.1           ~ 1 0
69 [IBC2013] 98 cor 05 38 48.17 -69 04 14.5           ~ 1 0
70 [IBC2013] 50 cor 05 38 48.23 -69 04 41.6           ~ 1 0
71 [IBC2013] 35 cor 05 38 48.35 -69 04 47.8           ~ 1 0
72 [IBC2013] 29 cor 05 38 48.36 -69 05 00.6           ~ 1 0
73 [IBC2013] 33 cor 05 38 48.49 -69 04 53.8           ~ 1 0
74 [IBC2013] 64 cor 05 38 48.59 -69 04 30.9           ~ 1 0
75 [IBC2013] 51 cor 05 38 48.74 -69 04 42.6           ~ 1 0
76 [IBC2013] 84 cor 05 38 48.88 -69 04 26.5           ~ 1 0
77 [IBC2013] 97 cor 05 38 48.92 -69 04 17.6           ~ 1 0
78 [IBC2013] 101 cor 05 38 48.92 -69 04 08.0           ~ 1 0
79 [IBC2013] 55 cor 05 38 48.95 -69 04 47.9           ~ 1 0
80 [IBC2013] 54 cor 05 38 49.00 -69 04 38.6           ~ 1 0
81 2MASS J05384921-6904445 Y*O 05 38 49.215 -69 04 44.55           ~ 9 0
82 [IBC2013] 82 cor 05 38 49.34 -69 04 27.8           ~ 1 0
83 [IBC2013] 52 cor 05 38 49.35 -69 04 42.4           ~ 1 0
84 [IBC2013] 53 cor 05 38 49.41 -69 04 46.8           ~ 1 0
85 [IBC2013] 86 cor 05 38 49.43 -69 04 23.2           ~ 1 0
86 [IBC2013] 83 cor 05 38 49.66 -69 04 25.8           ~ 1 0
87 [IBC2013] 96 cor 05 38 49.76 -69 04 17.0           ~ 1 0
88 [IBC2013] 85 cor 05 38 49.91 -69 04 27.2           ~ 1 0
89 [IBC2013] 81 cor 05 38 50.08 -69 04 33.4           ~ 1 0
90 [IBC2013] 57 cor 05 38 50.14 -69 04 45.7           ~ 1 0
91 [IBC2013] 87 cor 05 38 50.26 -69 04 22.5           ~ 1 0
92 QSO B0537-441 BLL 05 38 50.36155219 -44 05 08.9389165   15.77 16.48 16   ~ 765 2
93 [IBC2013] 58 cor 05 38 50.49 -69 04 44.5           ~ 1 0
94 [IBC2013] 90 cor 05 38 50.61 -69 04 20.2           ~ 1 0
95 [IBC2013] 88 cor 05 38 50.69 -69 04 22.5           ~ 1 0
96 [MMM2008] 30 Dor 1 MoC 05 38 50.8 -69 04 15           ~ 19 0
97 [IBC2013] 91 cor 05 38 50.81 -69 04 19.1           ~ 1 0
98 [IBC2013] 80 cor 05 38 50.82 -69 04 34.7           ~ 1 0
99 [IBC2013] 89 cor 05 38 50.93 -69 04 23.7           ~ 1 0
100 [IBC2013] 92 cor 05 38 50.95 -69 04 18.7           ~ 1 0
101 [IBC2013] 56 cor 05 38 51.13 -69 04 51.1           ~ 1 0
102 [IBC2013] 79 cor 05 38 51.38 -69 04 36.6           ~ 1 0
103 [IBC2013] 78 cor 05 38 51.55 -69 04 38.9           ~ 1 0
104 [IBC2013] 93 cor 05 38 51.60 -69 04 21.6           ~ 1 0
105 [IBC2013] 95 cor 05 38 51.62 -69 04 12.1           ~ 1 0
106 [IBC2013] 76 cor 05 38 51.85 -69 04 39.5           ~ 1 0
107 [IBC2013] 77 cor 05 38 51.85 -69 04 38.3           ~ 1 0
108 [IBC2013] 94 cor 05 38 51.89 -69 04 16.9           ~ 1 0
109 [IBC2013] 65 cor 05 38 52.23 -69 04 50.8           ~ 1 0
110 [IBC2013] 74 cor 05 38 52.62 -69 04 34.3           ~ 1 0
111 [IBC2013] 72 cor 05 38 52.94 -69 04 37.4           ~ 1 0
112 [IBC2013] 71 cor 05 38 53.42 -69 04 40.5           ~ 1 0
113 [IBC2013] 73 cor 05 38 53.72 -69 04 35.6           ~ 1 0
114 [IBC2013] 75 cor 05 38 53.80 -69 04 32.5           ~ 1 0
115 [IBC2013] 70 cor 05 38 53.88 -69 04 42.4           ~ 1 0
116 [IBC2013] 68 cor 05 38 54.29 -69 04 54.2           ~ 1 0
117 [IBC2013] 67 cor 05 38 54.71 -69 04 59.4           ~ 1 0
118 [IBC2013] 66 cor 05 38 54.85 -69 05 02.2           ~ 1 0
119 [IBC2013] 69 cor 05 38 54.85 -69 04 45.8           ~ 1 0
120 NAME ORI MOL CLOUD MoC 05 56 -01.8           ~ 812 1
121 QSO J0635-7516 QSO 06 35 46.5080299 -75 16 16.815501   15.96 15.75 15.82   ~ 496 1

    Equat.    Gal    SGal    Ecl

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2019.11.14-16:19:22

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