A high resolution survey of the Galactic Plane at 408 MHz

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DOIResolve DOI: http://doi.org/10.3847/1538-3881/aa866d
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TypeArticle
Journal titleThe Astronomical Journal
ISSN1538-3881
Volume154
Issue4
Pages# of pages: 19
SubjectISM: general; ISM: structure; radio continuum: general; surveys
AbstractThe interstellar medium is a complex "ecosystem" with gas constituents in the atomic, molecular and ionized states, dust, magnetic fields, and relativistic particles. The Canadian Galactic Plane Survey has imaged these constituents at multiple radio and infrared frequencies with angular resolution of the order of arcminutes. This paper presents radio continuum data at 408 MHz over the area of 52o <=l<=193o, -6o.5<=b<=8o.5, with an extension to b=21o in the range of 97o <=l<=120o, with angular resolution 2'8 x 2'8 cosecδ. Observations were made with the Synthesis Telescope at the Dominion Radio Astrophysical Observatory as part of the Canadian Galactic Plane Survey. The calibration of the survey using existing radio source catalogs is described. The accuracy of 408 MHz flux densities from the data is 6%. Information on large structures has been incorporated into the data using the single-antenna survey of Haslam et al. The paper presents the data, describes how it can be accessed electronically, and gives examples of applications of the data to ISM research.
Publication date
PublisherAmerican Astronomical Society
IOP
LanguageEnglish
AffiliationHerzberg Astronomy and Astrophysics; NRC Herzberg Institute of Astrophysics; National Research Council Canada
Peer reviewedYes
NPARC number23002570
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Record identifier62db7751-e8fc-4c35-bd32-7537022a9765
Record created2017-11-30
Record modified2017-11-30
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