2004A&A...426..119M


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.01CET09:55:44

2004A&A...426..119M - Astronomy and Astrophysics, volume 426, 119-129 (2004/10-4)

The Giant Molecular Cloud associated with RCW 106. A 1.2 mm continuum mapping study.

MOOKERJEA B., KRAMER C., NIELBOCK M. and NYMAN L.-A.

Abstract (from CDS):

We have mapped the dust continuum emission from the molecular cloud covering a region of 28pcx94 pc associated with the well-known H II region RCW 106 at 1.2mm using SIMBA on SEST. The observations, having an HPBW of 24" (0.4pc), reveal 95 clumps, of which about 50% have MSX associations and only 20% have IRAS associations. Owing to their higher sensitivity to colder dust and higher angular resolution the present observations identify new emission features and also show that most of the IRAS sources in this region consist of multiple dust emission peaks. The detected millimeter sources (MMS) include on one end the exotic MMS5 (associated with IRAS 16183-4958, one of the brightest infrared sources in our Galaxy) and the bright (and presumably cold) source MMS54, with no IRAS or MSX associations on the other end. Around 10% of the sources are associated with signposts of high mass star formation activity. Assuming a uniform dust temperature of 20K we estimate the total mass of the GMC associated with RCW 106 to be ∼105M. The constituent millimeter clumps cover a range of masses and radii between 40 to 104M and 0.3 to 1.9pc. Densities of the clumps range between (0.5-6)x104cm–3. We have decomposed the continuum emission into Gaussian and arbitrary shaped clumps using the two independent structure analysis tools gaussclumps and clumpfind respectively. The clump mass spectrum was found to have an index α of 1.6±0.3, independent of the decomposition algorithm used. The index of the mass spectrum for the mass and length scales covered here are consistent with results derived from large scale CO observations.

Abstract Copyright:

Journal keyword(s): ISM: clouds - ISM: dust, extinction - ISM: H II regions - ISM: structure - stars: formation - ISM: individual objects: RCW 106

VizieR on-line data: <Available at CDS (J/A+A/426/119): table1.dat table2.dat>

Nomenclature: Table 1: [MKN2004] MMS NN (Nos 1-95).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 68

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Number of rows : 68

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 RRF 1343 HII 02 20 05.6 +61 07 04           ~ 34 1
2 NAME Flame Nebula HII 05 41 42.7 -01 54 44           ~ 692 1
3 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1207 0
4 NGC 4038 GiP 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1284 1
5 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1570 0
6 NGC 4039 GiP 12 01 53.8 -18 53 06   11.08   9.77   ~ 1136 1
7 IRAS 16153-5056 IR 16 19 08.3 -51 04 01           ~ 2 0
8 IRAS 16152-5059 * 16 19 09.7142290427 -51 06 16.836126110           ~ 1 0
9 MSX5C G332.5860-00.5634 IR 16 19 09.8 -51 03 58           ~ 1 0
10 MSX5C G332.5600-00.5902 IR 16 19 09.9 -51 06 13           ~ 1 0
11 MSX5C G332.6213-00.5701 IR 16 19 21.2 -51 02 46           ~ 1 0
12 IRAS 16156-5046 * 16 19 23.45 -50 53 36.9           ~ 1 0
13 MSX5C G332.6555-00.6129 IR 16 19 42.0 -51 03 10           ~ 2 0
14 GAL 332.66-00.61 HII 16 19 46.2 -51 03 12           ~ 28 0
15 GAL 332.80-00.60 HII 16 19 47 -51 04.1           ~ 92 1
16 MSX6C G332.7013-00.5874 cor 16 19 47.463 -51 00 06.66           ~ 14 0
17 UCAC4 195-130787 * 16 19 51.9479590753 -51 01 37.184873605   14.84 13.01 12.40   ~ 2 0
18 MSX5C G332.6853-00.6463 IR 16 19 59.0 -51 03 20           ~ 1 0
19 [MHL2007] G332.8256-00.5498 1 HII 16 20 11.184 -50 53 17.52           ~ 10 0
20 GAL 332.8-00.6 HII 16 20 12.8 -50 54 28           ~ 13 0
21 IRAS 16164-5046 HII 16 20 14.1 -50 53 20           ~ 27 0
22 MSX5C G332.8007-00.5953 IR 16 20 16.5798954671 -50 56 01.668390348           ~ 1 0
23 MSX5C G333.0929-00.3539 IR 16 20 31.0 -50 33 40           ~ 1 0
24 MSX5C G333.0149-00.4431 IR 16 20 33.7 -50 40 45           ~ 2 0
25 IRAS 16167-5034 IR 16 20 34.3 -50 41 17           ~ 5 0
26 MSX5C G333.0125-00.4555 IR 16 20 36.4 -50 41 23           ~ 1 0
27 IRAS 16167-5036 * 16 20 37.90 -50 43 48.6           ~ 4 0
28 MSX5C G332.9881-00.4864 IR 16 20 38.1 -50 43 44           ~ 1 0
29 GAL 333.0-00.4 HII 16 20 38.2 -50 40 21           ~ 20 0
30 MSX5C G332.8137-00.6980 of? 16 20 48.110 -51 00 14.37           ~ 16 0
31 [MHL2007] G333.0682-00.4461 1 Y*? 16 20 48.95 -50 38 40.1           ~ 4 0
32 IRAS 16170-5053 IR 16 20 53.2 -51 00 14           ~ 6 0
33 NAME RCW 106 GMC MoC 16 21.0 -50 30           ~ 36 0
34 IRAS 16172-5028 HII 16 21 00.4 -50 35 21           ~ 35 0
35 [MHL2007] G333.1306-00.4275 1 Y*? 16 21 00.53 -50 35 08.6           ~ 4 0
36 MSX6C G333.3752-00.2015 Y*O 16 21 05.952 -50 15 14.04           ~ 3 0
37 MSX5C G333.1241-00.4756 IR 16 21 11.7 -50 37 31           ~ 1 0
38 IRAS 16174-5022 IR 16 21 13.3 -50 30 05           ~ 4 0
39 MSX5C G333.1082-00.5011 IR 16 21 14.3 -50 39 17           ~ 1 0
40 MSX5C G333.4678-00.1591 IR 16 21 19.3 -50 09 31           ~ 2 0
41 MSX5C G333.2271-00.4053 IR 16 21 20.6 -50 30 10           ~ 1 0
42 IRAS 16175-5002 HII 16 21 20.8 -50 09 50           ~ 13 0
43 MSX5C G333.2276-00.4084 IR 16 21 21.5 -50 30 17           ~ 1 0
44 MSX5C G333.0675-00.5855 IR 16 21 25.9 -50 44 35           ~ 1 0
45 IRAS 16177-5018 HII 16 21 31.4 -50 25 04           ~ 31 0
46 MSX5C G333.2898-00.3898 IR 16 21 33.2 -50 26 51           ~ 2 0
47 MSX6C G333.4747-00.2366 Y*O 16 21 41.505 -50 12 32.27           ~ 11 0
48 MSX5C G333.5681-00.1608 IR 16 21 46.4 -50 05 20           ~ 1 0
49 MSX5C G333.5684-00.1648 IR 16 21 47.5 -50 05 30           ~ 1 0
50 MSX5C G333.3113-00.4254 IR 16 21 48.4 -50 27 27           ~ 1 0
51 IRAS 16182-5005 IR 16 22 01.3 -50 12 42           ~ 2 0
52 MSX5C G333.5360-00.2565 IR 16 22 03.2 -50 10 45           ~ 1 0
53 MSX5C G333.5497-00.2455 IR 16 22 03.9 -50 09 43           ~ 1 0
54 [MKN2004] MMS 16 mm 16 22 04.6 -50 11 58           ~ 2 0
55 MSX5C G333.5328-00.2670 IR 16 22 05.1 -50 11 20           ~ 1 0
56 2MASX J16220862-5005405 IR 16 22 08.624 -50 05 40.53           ~ 1 0
57 IRAS 16183-4958 IR 16 22 09.0 -50 06 00           ~ 16 0
58 MSX5C G333.6046-00.2124 IR 16 22 09.450 -50 05 58.09           ~ 4 0
59 MSX5C G333.6044-00.2165 IR 16 22 10.9 -50 06 17           ~ 3 0
60 GAL 333.6-00.2 HII 16 22 11 -50 05.6           ~ 143 0
61 MSX5C G333.6316-00.2562 IR 16 22 28.4 -50 06 41           ~ 1 0
62 MSX5C G333.6931-00.2023 IR 16 22 30.4 -50 01 47           ~ 1 0
63 MSX5C G333.6896-00.2066 IR 16 22 30.6 -50 02 07           ~ 1 0
64 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3131 1
65 LBN 000.09-00.61 HII 17 49.4 -29 07           ~ 11 0
66 M 8 HII 18 03 37 -24 23.2           ~ 563 1
67 SNR G030.8-00.0 SNR 18 47 32 -01 56.5           ~ 457 0
68 IC 5146 OpC 21 53 24 +47 16.0           ~ 395 2

    Equat.    Gal    SGal    Ecl

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