Title: Mapping Cygnus A at 3 millimeter wavelength with the MIRIAD system
Abstract: view Abstract Citations (49) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Mapping Cygnus A at 3 Millimeter Wavelength with the MIRIAD System Wright, M. C. H. ; Sault, R. J. Abstract We describe the use of the MIRIAD software system in the calibration and mapping of the radio galaxy Cygnus A at frequencies from 86 to 103 GHz. The observations were reduced using a simple mosaicing task as well as a calibration and self-calibration process that handles multiple frequency channels and multiple pointing centers. The reduction process has been automated, with the needed sequence of commands given by a UNIX shell script. We present a 2" resolution image which resolves the hot spots in each radio lobe, and a multifrequency image with 21" resolution which determines the extent of the diffuse emission in the extended radio lobes. Publication: The Astrophysical Journal Pub Date: January 1993 DOI: 10.1086/172156 Bibcode: 1993ApJ...402..546W Keywords: Astronomical Maps; Cygnus Constellation; Millimeter Waves; Radio Galaxies; Image Processing; Software Tools; Very Large Array (Vla); Astronomy; GALAXIES: INDIVIDUAL NAME: CYGNUS A; RADIO CONTINUUM: GALAXIES; TECHNIQUES: IMAGE PROCESSING; TECHNIQUES: INTERFEROMETRIC full text sources ADS | data products SIMBAD (2) NED (2)