SIMBAD references

2019MNRAS.483.1624B - Mon. Not. R. Astron. Soc., 483, 1624-1641 (2019/February-3)

An ALMA archival study of the clump mass function in the Large Magellanic Cloud.


Abstract (from CDS):

We present 1.3 and 3.2 mm continuum maps of three star-forming regions in the Large Magellanic Cloud (LMC) observed with the Atacama Large Millimeter/Submillimeter Array (ALMA). The data were taken from two projects retrieved from the ALMA public archive and from one project observed specifically for this work. We develop a technique to combine maps at these wavelengths to estimate dust-only emission corrected for free-free emission contamination. From these observations, we identify 32 molecular clumps in the LMC and estimate their total mass from their dust emission to range from 205 to 5740 M. We derive a cumulative clump mass function (N(>=M) ∝ M^α + 1^) and fit it with a double power law to find αlow = -1.76+0.04–0.05, αhigh = -3.3 ± 0.2, with a break mass of 2500+300–200M. A comparison with the 30 Doradus-10 mass function derived previously from CO (2-1) data reveals a consistent range of clump masses and good agreement between the fitted slopes. We also find that the low-mass index of the LMC mass function agrees well with the high-mass index for core and clump mass functions from several star-forming regions in the Milky Way. This agreement may indicate an extension of the Milky Way power law to higher masses than previously observed.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: formation - ISM: clouds - galaxies: individual: Large Magellanic Cloud

Nomenclature: Table 4: [BW2019] 30 Dor-10 NN (Nos 1-22), [BW2019] N159W N (Nos 1-7), [BW2019] N159E N (Nos 1-3).

Status at CDS : All or part of tables of objects will be ingested in SIMBAD with priority 1.

CDS comments: PCC 11546 is PGCC G282.98-32.40 in Simbad.

Simbad objects: 38

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