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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The coordinated radio and infrared survey for high-mass star formation. II. source catalog
Astrophysical Journal, Supplement Series, Volume 205, No. 1, Article 1, Year 2013
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Description
The CORNISH project is the highest resolution radio continuum survey of the Galactic plane to date. It is the 5 GHz radio continuum part of a series of multi-wavelength surveys that focus on the northern GLIMPSE region (10° < l < 65°), observed by the Spitzer satellite in the mid-infrared. Observations with the Very Large Array in B and BnA configurations have yielded a 1.″5 resolution Stokes I map with a root mean square noise level better than 0.4 mJy beam-1. Here we describe the data-processing methods and data characteristics, and present a new, uniform catalog of compact radio emission. This includes an implementation of automatic deconvolution that provides much more reliable imaging than standard CLEANing. A rigorous investigation of the noise characteristics and reliability of source detection has been carried out. We show that the survey is optimized to detect emission on size scales up to 14″ and for unresolved sources the catalog is more than 90% complete at a flux density of 3.9 mJy. We have detected 3062 sources above a 7σ detection limit and present their ensemble properties. The catalog is highly reliable away from regions containing poorly sampled extended emission, which comprise less than 2% of the survey area. Imaging problems have been mitigated by down-weighting the shortest spacings and potential artifacts flagged via a rigorous manual inspection with reference to the Spitzer infrared data. We present images of the most common source types found: H II regions, planetary nebulae, and radio galaxies. The CORNISH data and catalog are available online at http://cornish.leeds.ac.uk. © 2013. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Purcell, Cormac R.
United Kingdom, Leeds
University of Leeds
United Kingdom, Manchester
The University of Manchester
Australia, Sydney
The University of Sydney
Hoare, Melvin G.
United Kingdom, Leeds
University of Leeds
Cotton, William D.J.
United States, Charlottesville
National Radio Astronomy Observatory
Lumsden, Stuart L.
United Kingdom, Leeds
University of Leeds
Urquhart, James S.
United Kingdom, Leeds
University of Leeds
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Germany, Bonn
Max Planck Institute for Radio Astronomy
Chandler, C. J.
United States, Socorro
National Radio Astronomy Observatory Socorro
Churchwell, Edward B.
United States, Madison
University of Wisconsin-madison
Diamond, Phillip J.
United Kingdom, Manchester
The University of Manchester
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Dougherty, Sean M.
Canada, Ottawa
National Research Council Canada
Fender, Robert P.
United Kingdom, Southampton
University of Southampton
Fuller, Gary A.
United Kingdom, Manchester
The University of Manchester
Garrington, Simon T.
United Kingdom, Manchester
The University of Manchester
Gledhill, Tim M.
United Kingdom, Hatfield
University of Hertfordshire
Goldsmith, Paul F.
United States, Pasadena
Jet Propulsion Laboratory
Hindson, Luke
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
United Kingdom, Hatfield
University of Hertfordshire
Jackson, James M.
United States, Boston
Boston University
Kurtz, Stanley E.
Mexico, Morelia
Instituto de Radioastronomía y Astrofísica
Martí, Josep
Spain, Jaen
Universidad de Jaén
Moore, Toby J.T.
United Kingdom, Liverpool
Liverpool John Moores University
Mundy, L. G.
United States, College Park
University of Maryland, College Park
Muxlow, Thomas W.B.
United Kingdom, Manchester
The University of Manchester
Oudmaijer, René D.
United Kingdom, Leeds
University of Leeds
Pandian, Jagadheep D.
United States, Honolulu
University Hawaii Institute for Astronomy
Paredes, Josep Maria
Spain, Barcelona
Universitat de Barcelona
Shepherd, Debra S.
United States, Socorro
National Radio Astronomy Observatory Socorro
South Africa, Pinelands
Square Kilometre Array, South Africa
Smethurst, S.
United Kingdom, Manchester
The University of Manchester
Spencer, Ralph E.
United Kingdom, Manchester
The University of Manchester
Thompson, Mark A.
United Kingdom, Hatfield
University of Hertfordshire
Umana, Grazia
Italy, Catania
Osservatorio Astrofisico Di Catania
Albert A. Zijlstra, Albert A.
United Kingdom, Manchester
The University of Manchester
Statistics
Citations: 117
Authors: 30
Affiliations: 21
Identifiers
Doi:
10.1088/0067-0049/205/1/1
ISSN:
00670049
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative