{"id":{"repo_id":"calgary","oai_identifier":"oai:ucalgary.scholaris.ca:1880/113789"},"canonical_url":"https://search.dev.ndltd.org/etd/calgary/oai:ucalgary.scholaris.ca:1880/113789","repository":{"repo_id":"calgary","name":"University of Calgary","base_url":"https://ucalgary.scholaris.ca/server/oai/request"},"display":{"title":"Using Polarised HI Absorption to Estimate Distances to Supernova Remnants","abstract":"Supernova remnants are the aftermath of the explosions of stars. In the study of Galactic supernova remnants, distance measurements are a vital supplement to astronomical observations. While in general, the angular extent and surface brightness of a supernova remnant are readily observed, knowledge of its size, kinematics, energy, age, and evolution can only be inferred through distance measurements. Unfortunately, distance measurements to SNRs are remarkably tricky. This thesis demonstrates the application of a new technique, which uses the absorption of the polarised radio emissions from supernova remnants by neutral atomic hydrogen to determine kinematic distances. An absorption spectrum towards the supernova remnant DA 530 was observed with the Synthesis Telescope at the Dominion Radio Astrophysical Observatory, and a new distance to DA 530 is revealed.","abstract_html":"Supernova remnants are the aftermath of the explosions of stars. In the study of Galactic supernova remnants, distance measurements are a vital supplement to astronomical observations. While in general, the angular extent and surface brightness of a supernova remnant are readily observed, knowledge of its size, kinematics, energy, age, and evolution can only be inferred through distance measurements. Unfortunately, distance measurements to SNRs are remarkably tricky. This thesis demonstrates the application of a new technique, which uses the absorption of the polarised radio emissions from supernova remnants by neutral atomic hydrogen to determine kinematic distances. An absorption spectrum towards the supernova remnant DA 530 was observed with the Synthesis Telescope at the Dominion Radio Astrophysical Observatory, and a new distance to DA 530 is revealed.","abstract_has_math":false,"creators":["Booth, Rebecca"],"institution":"Science","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Physics & Astronomy","degree_department":null,"school":null,"contributors":[],"advisors":["Brown, Jo-Anne","Landecker, Tom"],"committee_chairs":[],"committee_members":["Plume, Rene","Cully, Christopher","Gomes da Rocha, Claudia"],"year":2021,"date_issued":"2021-08-20","date_published":"2021-08-20","updated_at":"2026-07-24T01:30:38Z","subjects":["Radio astronomy","supernova remnants","Interstellar medium"],"languages":["eng"],"rights":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["http://dx.doi.org/10.11575/PRISM/39139"],"render_values":[{"text":"http://dx.doi.org/10.11575/PRISM/39139","href":"http://dx.doi.org/10.11575/PRISM/39139","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1880/113789","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Brown, Jo-Anne","Landecker, Tom"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Plume, Rene","Cully, Christopher","Gomes da Rocha, Claudia"]},{"key":"dc:creator","label":"Author","values":["Booth, Rebecca"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2021-11"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2021-08-31T13:53:38Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2021-08-31T13:53:38Z"]},{"key":"dc:date.issued","label":"Date","values":["2021-08-20"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Calgary"]},{"key":"dc:type","label":"Dc Type","values":["master thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics & Astronomy"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Calgary"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Radio astronomy","supernova remnants","Interstellar medium"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["http://dx.doi.org/10.11575/PRISM/39139"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1880/113789"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Supernova remnants are the aftermath of the explosions of stars. In the study of Galactic supernova remnants, distance measurements are a vital supplement to astronomical observations. While in general, the angular extent and surface brightness of a supernova remnant are readily observed, knowledge of its size, kinematics, energy, age, and evolution can only be inferred through distance measurements. Unfortunately, distance measurements to SNRs are remarkably tricky. This thesis demonstrates the application of a new technique, which uses the absorption of the polarised radio emissions from supernova remnants by neutral atomic hydrogen to determine kinematic distances. An absorption spectrum towards the supernova remnant DA 530 was observed with the Synthesis Telescope at the Dominion Radio Astrophysical Observatory, and a new distance to DA 530 is revealed."]},{"key":"dc:title","label":"Title","values":["Using Polarised HI Absorption to Estimate Distances to Supernova Remnants"]}]}],"canonical_facts":{"dc:contributor.advisor":["Brown, Jo-Anne","Landecker, Tom"],"dc:contributor.committeemember":["Plume, Rene","Cully, Christopher","Gomes da Rocha, Claudia"],"dc:creator":["Booth, Rebecca"],"dc:date":["2021-11"],"dc:date.accessioned":["2021-08-31T13:53:38Z"],"dc:date.available":["2021-08-31T13:53:38Z"],"dc:date.issued":["2021-08-20"],"dc:description.abstract":["Supernova remnants are the aftermath of the explosions of stars. In the study of Galactic supernova remnants, distance measurements are a vital supplement to astronomical observations. While in general, the angular extent and surface brightness of a supernova remnant are readily observed, knowledge of its size, kinematics, energy, age, and evolution can only be inferred through distance measurements. Unfortunately, distance measurements to SNRs are remarkably tricky. This thesis demonstrates the application of a new technique, which uses the absorption of the polarised radio emissions from supernova remnants by neutral atomic hydrogen to determine kinematic distances. An absorption spectrum towards the supernova remnant DA 530 was observed with the Synthesis Telescope at the Dominion Radio Astrophysical Observatory, and a new distance to DA 530 is revealed."],"dc:identifier.doi":["http://dx.doi.org/10.11575/PRISM/39139"],"dc:identifier.uri":["http://hdl.handle.net/1880/113789"],"dc:language.iso":["eng"],"dc:publisher.institution":["University of Calgary"],"dc:rights":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission."],"dc:subject":["Radio astronomy","supernova remnants","Interstellar medium"],"dc:title":["Using Polarised HI Absorption to Estimate Distances to Supernova Remnants"],"dc:type":["master thesis"],"thesis:degree_discipline":["Physics & Astronomy"],"thesis:degree_name":["Master of Science (MSc)"],"thesis:institution_name":["University of Calgary"]},"updated_at":"2026-07-24T01:30:38Z"}