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A high resolution radio continuum survey of Messier 31. II : Observations at 1412 MHz, data reduction, and the 37W catalogue of radio sources
(1985-09-01)
The radio continuum emission of the spiral galaxy M31 has been mapped at a wavelength of 21 cm with the Westerbork Synthesis Radio Telescope, at an angular resolution of 23" x 35", corresponding to a linear resolution of ...
A high resolution radio continuum survey of Messier 31. I : Observations at 610 MHz, data reduction, and the 36W catalogue of radio sources
(1984-05-01)
High resolution observations of M31 at 610 MHz (49.2 cm), made with the Westerbork Synthesis Radio Telescope, are described. The observations and reduction of three full synthesis fields which, after combination, cover M31 ...
A high resolution hydrogen line survey of Messier 31. I : Observations and data reduction
(1984-02-01)
New observations with the Westerbork Synthesis Radio Telescope are presented of M31 in the 21 cm line of neutral atomic hydrogen. The observations and calibration are described, and the various stages of data reduction are ...