Radio-continuum study of the Nearby sculptor group galaxies. Part 1: NGC 300 at λ=20 cm

Article


Galvin, Timothy J., Filipovic, Miroslav D., Crawford, Evan J., Wong, Graeme, Payne, Jeff L., De Horta, Ain, White, Graeme L., Tothill, Nick, Drašković, Danica, Pannuti, Thomas G., Grimes, Caleb K., Cahall, Benjamin J., Millar, William C. and Laine, Seppo. 2012. "Radio-continuum study of the Nearby sculptor group galaxies. Part 1: NGC 300 at λ=20 cm ." Astrophysics and Space Science: an international journal of astronomy, astrophysics and space science. 340 (1), pp. 133-142. https://doi.org/10.1007/s10509-012-1044-3
Article Title

Radio-continuum study of the Nearby sculptor group galaxies. Part 1: NGC 300 at λ=20 cm

ERA Journal ID1059
Article CategoryArticle
AuthorsGalvin, Timothy J., Filipovic, Miroslav D., Crawford, Evan J., Wong, Graeme, Payne, Jeff L., De Horta, Ain, White, Graeme L., Tothill, Nick, Drašković, Danica, Pannuti, Thomas G., Grimes, Caleb K., Cahall, Benjamin J., Millar, William C. and Laine, Seppo
Journal TitleAstrophysics and Space Science: an international journal of astronomy, astrophysics and space science
Journal Citation340 (1), pp. 133-142
Number of Pages10
Year2012
PublisherSpringer
Place of PublicationNetherlands
ISSN0004-640X
1572-946X
Digital Object Identifier (DOI)https://doi.org/10.1007/s10509-012-1044-3
Web Address (URL)https://link.springer.com/article/10.1007/s10509-012-1044-3
Abstract

A series of new radio-continuum (λ=20 cm) mosaic images focused on the NGC 300 galactic system were produced using archived observational data from the VLA and/or ATCA. These new images are both very sensitive (rms =60 μJy) and feature high angular resolution (<10 ″). The most prominent new feature is the galaxy's extended radio-continuum emission, which does not match its optical appearance. Using these newly created images a number of previously unidentified discrete sources have been discovered. Furthermore, we demonstrate that a joint deconvolution approach to imaging this complete data-set is inferior when compared to an immerge approach. © 2012 Springer Science+Business Media B.V.

KeywordsGalaxies: general; Galaxies: NGC 300; Radio continuum: galaxies
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

FunderNational Science Foundation
Byline AffiliationsUniversity of Western Sydney
Charles Sturt University
Morehead State University, United States
James Cook University
Grand Rapids Community College, United States
California Institute of Technology (Caltech), United States
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