{"id":399,"date":"2023-01-19T18:25:20","date_gmt":"2023-01-19T18:25:20","guid":{"rendered":"https:\/\/in.nau.edu\/astro-partnership\/?page_id=399"},"modified":"2025-09-17T21:38:49","modified_gmt":"2025-09-17T21:38:49","slug":"project-0003","status":"publish","type":"page","link":"https:\/\/in.nau.edu\/astro-partnership\/project-0003\/","title":{"rendered":"Project 0003"},"content":{"rendered":"<p><strong>Project 003 Description:<\/strong>The student will perform laboratory studies of sublimation into vacuum of mixtures of cometary volatiles at low temperatures and pressures relevant to<br \/>\nobjects transitioning from the Kuiper belt to short period comets. The student will do this by vapor depositing materials onto a quartz crystal microbalance<br \/>\nhoused within an ultra-high vacuum chamber and cooled to extremely low temperatures with a closed cycle helium refrigerator. They will collect spectral<br \/>\nand sublimation flux data and process the data to obtain measurements of temperature dependent vapor pressures, enthalpy of sublimation, and solid<br \/>\nstate diffusion coefficients. These parameters are the essential inputs to models of the evolution of volatiles in the interiors of primitive bodies responding<br \/>\nto temperature changes resulting from orbital evolution. We estimate that substantial progress can be made with 10 hours per week FTE over two<br \/>\nsemesters by a qualified undergraduate.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Project 003 Description:The student will perform laboratory studies of sublimation into vacuum of mixtures of cometary volatiles at low temperatures and pressures relevant to objects transitioning from the Kuiper belt to short period comets. The student will do this by vapor depositing materials onto a quartz crystal microbalance housed within an ultra-high vacuum chamber and [&hellip;]<\/p>\n","protected":false},"author":575,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","ring_central_script_selection":"","footnotes":""},"class_list":["post-399","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/pages\/399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/users\/575"}],"replies":[{"embeddable":true,"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/comments?post=399"}],"version-history":[{"count":3,"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/pages\/399\/revisions"}],"predecessor-version":[{"id":486,"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/pages\/399\/revisions\/486"}],"wp:attachment":[{"href":"https:\/\/in.nau.edu\/astro-partnership\/wp-json\/wp\/v2\/media?parent=399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}