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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The JCMT Nearby Galaxies Legacy Survey - III. Comparisons of cold dust, polycyclic aromatic hydrocarbons, molecular gas and atomic gas in NGC 2403
Monthly Notices of the Royal Astronomical Society, Volume 402, No. 3, Year 2010
Notification
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Description
We used Spitzer Space Telescope 3.6, 8.0, 70 and 160 μm data, James Clerk Maxwell Telescope HARP-B CO J = (3-2) data, National Radio Astronomy Observatory 12 m telescope CO J= (1-0) data and Very Large Array H i data to investigate the relations among polycyclic aromatic hydrocarbons (PAHs), cold (∼20 K) dust, molecular gas and atomic gas within NGC 2403, an SABcd galaxy at a distance of 3.13 Mpc. The dust surface density is mainly a function of the total (atomic and molecular) gas surface density and galactocentric radius. The gas-to-dust ratio monotonically increases with radius, arying from ∼100 in the nucleus to ∼400 at 5.5 kpc. The slope of the gas-to-dust ratio is close to that of the oxygen abundance, suggesting that metallicity strongly affects the gas-to-dust ratio within this galaxy. The exponential scale length of the radial profile for the CO J = (3-2) emission is statistically identical to the scale length for the stellar continuum-subtracted 8 μm (PAH 8 μm) emission. However, CO J equals; (3-2) and PAH 8 μm surface brightnesses appear uncorrelated when examining sub-kpc-sized regions. © 2010 The Authors. Journal compilation © 2010 RAS.
Authors & Co-Authors
Bendo, George J.
United Kingdom, London
Imperial College London
Wilson, Christine D.
Canada, Hamilton
Mcmaster University
Warren, Bradley E.
Canada, Hamilton
Mcmaster University
Australia, Perth
The University of Western Australia
Brinks, Elias
United Kingdom, Hatfield
University of Hertfordshire
Butner, Harold M.
United States, Harrisonburg
James Madison University
Chanial, Pierre F.
United Kingdom, London
Imperial College London
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Clements, David L.
United Kingdom, London
Imperial College London
Courteau, Stéphane
Canada, Kingston
Queen’s University
Irwin, Judith A.
Canada, Kingston
Queen’s University
Israël, Frank P.
Netherlands, Leiden
Universiteit Leiden
Knapen, Johan H.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Leech, Jamie
United Kingdom, Oxford
University of Oxford
Matthews, Henry E.
Canada, Ottawa
National Research Council Canada
Mühle, Stefanie
Netherlands, Dwingeloo
Joint Institute for Vlbi in Europe
Petitpas, Glen R.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Serjeant, Stephen B.G.
United Kingdom, Milton Keynes
The Open University
Tan, Boon Kok
United Kingdom, Oxford
University of Oxford
Tilanus, Remo P.J.
United States, Honolulu
University Hawaii Institute for Astronomy
Netherlands, The Hague
Nederlandse Organisatie Voor Wetenschappelijk Onderzoek
Usero, Antonio
United Kingdom, Hatfield
University of Hertfordshire
Spain, Madrid
Oan-ign
Vaccari, Mattia
Italy, Padua
Università Degli Studi Di Padova
van der Werf, Paul P.
Netherlands, Leiden
Universiteit Leiden
Vlahakis, Catherine
Netherlands, Leiden
Universiteit Leiden
Wiegert, Theresa
Canada, Winnipeg
University of Manitoba
Zhu, Ming
Canada, Ottawa
National Research Council Canada
United States, Honolulu
University Hawaii Institute for Astronomy
Statistics
Citations: 63
Authors: 24
Affiliations: 20
Identifiers
Doi:
10.1111/j.1365-2966.2009.16043.x
ISSN:
00358711
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative