{"id":{"repo_id":"unlv","oai_identifier":"oai:oasis.library.unlv.edu:rtds-1229"},"canonical_url":"https://search.dev.ndltd.org/etd/unlv/oai:oasis.library.unlv.edu:rtds-1229","repository":{"repo_id":"unlv","name":"University of Nevada - Las Vegas","base_url":"https://oasis.library.unlv.edu/do/oai/"},"display":{"title":"Reduction and analysis of Vla maps for 281 radio-loud quasars using the Cray Y-Mp supercomputer","abstract":"The thesis reports the reduction and analysis of Very Large Array snapshot observations at 6 cm with the A and C arrays of 192 and 192 + 89 radio sources associated with quasars. The sample includes all of the candidates for the complete samples of radio-loud quasars discussed by Wills and Lynds (1978). The routine reduction included two passes of phase self-calibration. Maps were made with image size of 512 x 512. The A (C) array maps have 0.1 (1.3) arcsec cell sizes, with 0.1 to 0.2 (0.2 to 0.4) mJy/Beam rms noise and dynamic ranges of a few thousand. Radio positions and flux densities were measured, and contour maps were plotted. A statistically significant excess of serendipitous radio sources was found within 2 arcmin of the quasars observed in the C array. These serendipitous sources could be radio galaxies at the quasar redshifts and the excess might arise from rich clusters of galaxies associated with the quasars.","abstract_html":"The thesis reports the reduction and analysis of Very Large Array snapshot observations at 6 cm with the A and C arrays of 192 and 192 + 89 radio sources associated with quasars. The sample includes all of the candidates for the complete samples of radio-loud quasars discussed by Wills and Lynds (1978). The routine reduction included two passes of phase self-calibration. Maps were made with image size of 512 x 512. The A (C) array maps have 0.1 (1.3) arcsec cell sizes, with 0.1 to 0.2 (0.2 to 0.4) mJy/Beam rms noise and dynamic ranges of a few thousand. Radio positions and flux densities were measured, and contour maps were plotted. A statistically significant excess of serendipitous radio sources was found within 2 arcmin of the quasars observed in the C array. These serendipitous sources could be radio galaxies at the quasar redshifts and the excess might arise from rich clusters of galaxies associated with the quasars.","abstract_has_math":false,"creators":["Ding, Ailian"],"institution":"University of Nevada, Las Vegas","degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["P. M. Hintzen"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1992,"date_issued":"1992-01-01T08:00:00Z","date_published":"1992-01-01T08:00:00Z","updated_at":"2026-07-24T05:24:15Z","subjects":[],"languages":["English"],"rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://oasis.library.unlv.edu/rtds/230"],"render_values":[{"text":"https://oasis.library.unlv.edu/rtds/230","href":"https://oasis.library.unlv.edu/rtds/230","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.25669/9z70-j002","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["P. M. 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The A (C) array maps have 0.1 (1.3) arcsec cell sizes, with 0.1 to 0.2 (0.2 to 0.4) mJy/Beam rms noise and dynamic ranges of a few thousand. Radio positions and flux densities were measured, and contour maps were plotted. A statistically significant excess of serendipitous radio sources was found within 2 arcmin of the quasars observed in the C array. These serendipitous sources could be radio galaxies at the quasar redshifts and the excess might arise from rich clusters of galaxies associated with the quasars."]},{"key":"dc:format","label":"Dc Format","values":["pdf"]},{"key":"dc:title","label":"Title","values":["Reduction and analysis of Vla maps for 281 radio-loud quasars using the Cray Y-Mp supercomputer"]}]}],"canonical_facts":{"dc:contributor":["P. M. 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