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Related papers: Mass Segregation in the CMZoom Survey

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High-resolution JWST-MIRI images now allow us to resolve in great detail the multi-scale nature of the emission in nearby star-forming galaxies, from compact star-forming regions to large-scale diffuse emission, giving new insights into…

Globular cluster stars evolving off the main sequence are known to lose mass, and it is expected that some of the lost material should remain within the cluster as an intracluster medium (ICM). Most attempts to detect such an ICM have been…

We present an overview and data release of the spectral line component of the SMA Large Program, \textit{CMZoom}. \textit{CMZoom} observed $^{12}$CO(2-1), $^{13}$CO(2-1) and C$^{18}$O(2-1), three transitions of H$_{2}$CO, several…

The 1.3deg (G1.3) and 1.6deg (G1.6) cloud complexes in the Central Molecular Zone (CMZ) of our Galaxy have been proposed to possibly reside at the intersection region of the X1 and X2 orbits for several reasons. This includes the detection…

Astrophysics of Galaxies · Physics 2022-12-21 Laura A. Busch , Denise Riquelme , Rolf Güsten , Karl M. Menten , Thushara G. S. Pillai , Jens Kauffmann

The Survey of Water and Ammonia in the Galactic Center (SWAG) covers the Central Molecular Zone (CMZ) of the Milky Way at frequencies between 21.2 and 25.4 GHz obtained at the Australia Telescope Compact Array at $\sim 0.9$ pc spatial and…

We present the results of millimeter and centimeter continuum observations, made with the IRAM 30m telescope and the VLA, toward a sample of 11 luminous IRAS sources classified as high-mass protostellar object candidates. We find 1.2 mm…

Astrophysics · Physics 2009-11-13 Á. Sánchez-Monge , A. Palau , R. Estalella , M. T. Beltrán , J. M. Girart

We report the results of 870-$\mu$m continuum observations, using the Large APEX Bolometer Camera (LABOCA), towards 77 class-II, 6.7-GHz methanol masers identified by the Methanol Multibeam (MMB) survey to map the thermal emission from cool…

Astrophysics of Galaxies · Physics 2015-06-23 J. S. Urquhart , T. J. T. Moore , K. M. Menten , C. König , F. Wyrowski , M. A. Thompson , T. Csengeri , S. Leurini , D. J. Eden

The Central Molecular Zone (CMZ) of our Galaxy hosts an extreme environment analogous to that found in typical starburst galaxies in the distant universe. In order to understand dust properties in environments like our CMZ, we present…

Astrophysics of Galaxies · Physics 2021-07-07 Yuping Tang , Q. Daniel Wang , Grant W. Wilson

Investigating the chemical complexity of the interstellar medium (ISM) is key for understanding its physical nature and evolution. In this work, we study parsec-scale interstellar dust clouds in the neutral ISM of the Milky Way using two…

Astrophysics of Galaxies · Physics 2026-04-29 T. Ramburuth-Hurt , A. De Cia , J. -K. Krogager , C. Ledoux , A. J. Fox

We have conducted a survey of a sample of infrared-dark clouds (IRDCs) with the Spitzer Space Telescope in order to explore their mass distribution. We present a method for tracing mass using dust absorption against the bright Galactic…

Solar and Stellar Astrophysics · Physics 2014-11-18 Sarah E. Ragan , Edwin A. Bergin , Robert A. Gutermuth

The Central Molecular Zone (CMZ) contains most of the mass of our Galaxy but its star formation rate is one order of magnitude lower than in the Galactic disc. This is likely related to the fact that the bulk of the gas in the CMZ is in a…

From our catalog of Milky Way molecular clouds, created using a temperature thresholding algorithm on the Bell Laboratories 13CO Survey, we have extracted two subsets:(1) Giant Molecular Clouds (GMCs), clouds that are definitely larger than…

Astrophysics · Physics 2016-08-30 Antony A. Stark , Youngung Lee

We present Atacama Large Millimeter/submillimeter Array (ALMA) Band 6 (1.3 mm) observations of dense cores in three massive molecular clouds within the Central Molecular Zone (CMZ) of the Milky Way, including the Dust Ridge cloud e, Sgr C,…

We report the results of a SEST 1.2 mm continuum emission survey toward regions previously identified as harbouring a methanol maser and/or an UC HII region, typically indicative of massive star formation. Emission is detected toward all of…

Astrophysics · Physics 2009-11-11 T. Hill , M. G. Burton , V. Minier , M. A. Thompson , A. J. Walsh , M. Hunt-Cunningham , G. Garay

We present a study of the gas cycle and star formation history in the central 500 pc of the Milky Way, known as Central Molecular Zone (CMZ). Through hydrodynamical simulations of the inner 4.5 kpc of our Galaxy, we follow the gas cycle in…

Astrophysics of Galaxies · Physics 2019-10-23 L. Armillotta , M. R. Krumholz , E. M. Di Teodoro , N. M. McClure-Griffiths

We use hydrodynamical simulations to construct a new coherent picture for the gas flow in the Central Molecular Zone (CMZ), the region of our Galaxy within $R\leq 500\, \mathrm{pc}$. We relate connected structures observed in $(l,b,v)$ data…

Astrophysics of Galaxies · Physics 2017-06-13 Matthew Ridley , Mattia C. Sormani , Robin G. Treß , John Magorrian , Ralf S. Klessen

We present a novel method to characterize dust depletion, namely, the depletion of metals into dust grains. We used observed correlations among relative abundances combining a total of 17 metals in diverse galactic environments, including…

We present observations of 1.2-mm dust continuum emission, made with the Swedish ESO Submillimeter Telescope, towards eighteen luminous IRAS point sources, all with colors typical of compact HII regions and associated with CS(2-1) emission,…

Astrophysics · Physics 2011-02-11 Guido Garay , Diego Mardones , Kate J. Brooks , Liza Videla , Yanett Contreras

We examine the three-dimensional structure and dust extinction properties in a ~ 200 pc $\times$ 100 pc region in the southwest bar of the Small Magellanic Cloud (SMC). We model a deep Hubble Space Telescope optical color-magnitude diagram…

The non-uniform distribution of gas and protostars in molecular clouds is caused by combinations of various physical processes that are difficult to separate. We explore this non-uniform distribution in the M17 molecular cloud complex that…

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