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J/ApJS/107/239 327 MHz survey of the galactic plane (Taylor+ 1996)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
wsrt.dat table1.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/ApJS/107/239
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Beginning of ReadMe :J/ApJS/107/239 327MHz survey of the galactic plane (Taylor+ 1996)
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A Westerbork synthesis radio telescope 327 MHz survey of the galactic plane.
Taylor A.R., Goss W.M., Coleman P.H., van Leeuwen J., Wallace B.J.
<Astrophys. J. Suppl. Ser. 107, 239 (1996)>
=1996ApJS..107..239T
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ADC_Keywords: Radio sources ; H II regions
Keywords: HII regions - Planetary nebulae: general -
radio continuum: general - surveys
Abstract (from the authors)
The Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands has
been used to survey a section of the galactic plane at a radio
frequency of 327MHz. Twenty-three overlapping synthesis fields were
observed, covering galactic co-ordinates 43deg<l<91deg,
|b|<1.6deg. Each field was observed at two epochs, several years
apart, to identify variable sources. Intensity data from the separate
epochs were combined, and the resulting images mosaiced to produce a
single image of the entire survey region. Sensitivity of the mosaic is
typically a few mJy. Resolution is 1' by 1'cosec(dec).
The survey image provides our first high resolution view of the Galaxy
at low radio frequencies, and includes sections of the Sagittarius and
Cygnus arms. These sections contain numerous extended features, among
them supernova remnants, HII regions, "bubbles" of thermal emission,
and large patches of amorphous galactic thermal emission. The
inter-arm region is characterized by lower densities of extended
features, but numerous discrete compact radio sources, most of which
are background objects such as quasars and other types of active
galactic nuclei. However, the resolution, sensitivity and low
frequency of this survey make it ideal for detecting weak, non-thermal
compact galactic sources, e.g. compact, low surface brightness SNRs
and radio stars.
Inspection of the survey image has produced a catalog of nearly 4000
discrete sources with sizes less than about 3'.