^12^CO and ^13^CO cores & clumps in LHA 120-N 55 : J/ApJ/853/175

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Authors : Naslim N. orcid , Tokuda K., Onishi T. (hide) , Tokuda K., Onishi T. et..al

VizieR DOI :
Bibcode : 2018ApJ...853..175N (ADS) (Simbad) (Objects)
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CDS Keywords : Magellanic Clouds; Molecular clouds; Interstellar medium; Carbon monoxide; Millimetric/submm sources; Velocity dispersion; YSOs
UAT : Magellanic Clouds, Molecular clouds, Interstellar medium, CO line emission, Millimeter astronomy, Submillimeter astronomy, Galaxy kinematics, Young stellar objects

Observation (OC)

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Inserted into VizieR : 09-Oct-2023
Last modification : 09-Oct-2023

ALMA reveals molecular cloud N55 in the Large Magellanic Cloud as a site of massive star formation. (2018)

Keywords : galaxies ISM; ISM: molecules; Magellanic Clouds; stars: formation stars: massive; stars: protostars

Abstract:We present the molecular cloud properties of N55 in the Large Magellanic Cloud using ^12^CO(1-0) and ^13^CO(1-0) observations obtained with Atacama Large Millimeter Array. We have done a detailed study of molecular gas properties, to understand how the cloud properties of N55 differ from Galactic clouds. Most CO emission appears clumpy in N55, and molecular cores that have young stellar objects (YSOs) show larger linewidths and masses. The massive clumps are associated with high and intermediate mass YSOs. The clump masses are determined by local thermodynamic equilibrium and virial analysis of the ^12^CO and ^13^CO emissions. These mass estimates lead to the conclusion that (a) the clumps are in self-gravitational virial ...(more)
Abstract: (hide)
American Astronomical Society policies
N55 was observed with ALMA in cycle 1 and 2 (2013.1.00214.S and 2012.1.00335.S), using band 3 receivers in spectral windows centered at 115.27, 110.20, and 109.67GHz, with 70.557kHz (0.2km/s) spectral resolution.

  • VIII/39 : Composite CO Survey of the Milky Way (Dame+ 1987)
  • J/ApJS/110/21 : Molecular clouds in Cepheus and Cassiopeia (Yonekura+ 1997)
  • J/ApJ/551/852 : FCRAO CO survey of the outer Galaxy (Heyer+, 2001)
  • J/ApJ/639/259 : Sub-mm clumps in Orion B South MoC (Johnstone+, 2006)
  • J/AJ/132/2268 : SAGE calibration stars (Meixner+, 2006)
  • J/ApJ/665/1194 : Dense cores in the Orion A cloud survey (Ikeda+, 2007)
  • J/ApJS/178/56 : CO observations of LMC Giant Molecular clouds (Fukui+, 2008)
  • J/ApJ/686/948 : CO in extragalactic giant molecular clouds (Bolatto+, 2008)
  • J/ApJ/691/1560 : Dense core survey in the Orion B cloud (Ikeda+, 2009)
  • J/ApJ/695/511 : Young massive stars in LHA 120-N 44 (Chen+, 2009)
  • J/ApJ/699/1092 : Giant molecular clouds (SRBY) (Heyer+, 2009)
  • J/ApJS/184/172 : High- and intermediate-mass YSOs in the LMC (Gruendl+, 2009)
  • J/ApJS/197/16 : CO observations of LMC molecular clouds (MAGMA). (Wong+, 2011)
  • J/ApJS/202/4 : Planck cold clumps survey in the Orion complex (Liu+, 2012)
  • J/ApJ/774/73 : ALMA CO observations of 30 Dor (Indebetouw+, 2013)
  • J/ApJ/784/3 : The PAWS catalogs of GMCs and islands in M51 (Colombo+, 2014)
  • J/AJ/148/124 : Herschel key program Heritage (Seale+, 2014)

                


                

                    

                


                

                    

                


                

                    
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