{"id":299,"date":"2016-10-04T06:18:28","date_gmt":"2016-10-04T06:18:28","guid":{"rendered":"http:\/\/users.utu.fi\/kiikol\/?p=299"},"modified":"2019-10-04T12:51:09","modified_gmt":"2019-10-04T12:51:09","slug":"dissertation_ideas","status":"publish","type":"post","link":"https:\/\/users.utu.fi\/kiikol\/dissertation_ideas\/","title":{"rendered":"Dissertation ideas"},"content":{"rendered":"<h4>(1) Emission components in thermonuclear X-ray bursts<\/h4>\n<div><strong>Short description:<\/strong> Using spectral decomposition methods (e.g. non-negative matrix factorization) to distinguish emission components in series of X-ray spectra from neutron star X-ray binaries during thermonuclear bursts on their surfaces.<\/div>\n<div><\/div>\n<div><\/div>\n<div><strong>Reading material:<\/strong> Koljonen K. et al.:\u00a0<a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/0004-637X\/829\/2\/91\/pdf\">Evidence of spreading layer emission in thermonuclear superburst<\/a> | Koljonen K.:\u00a0<a href=\"https:\/\/watermark.silverchair.com\/stu2663.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAmEwggJdBgkqhkiG9w0BBwagggJOMIICSgIBADCCAkMGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMqJcfOfLwRFm_xJsuAgEQgIICFLvfmCdL_hU5R_OAQVVYfKHMtBQfpP3x8jZFDDAIPqA3TWyu-knjASWcxJgr2ulUinFxNQHK6PCT6cCVDYXEV3wFzaSK_Cl2gzDA6FT50AW-upNHdFmhIIxZt8v4ADLzj8SVxfcJMRyb_R4J5LcE_eEyGCwTy6Eg7rOsbm1Dwiuj2RomlicQiBgTL385l4Dg0Hkox0gzqZTHmHYOMY6xC-9nkRATzyt918pUVxA1LmULQqkMgUIWJTdW48v1F-n6JxHkH1Is5Ga2V-A0az6gAZ8cbhHJzcqmDFFalRechG_eSBevOVJII7wTuXNqMpg7vZ-Zg1kRM7RGkD-OJtlhgopGZ8hC6pzK8wruwVRfwVpcU6VZpt1Lvmti3GhlNWcJs6YEJ9T04oGd3s37pn9l4ItnKXjQKarkNOMBT7iZ1YvJcKkdf29pNJfNKmVOo7BxZNBRz7xy01-fmfNSnWMYtGO4Er0kHz6G8b0G0zenhTCaMSu1dowxMvDCd9TYE7sBcOv0n6aqIivu5Y1zr2jprg0KZypQB5nW6iw_Yia-_mWI-xTuVnrE8aoIMREg4MoVgBl58kCY9ehnbzyz5fIUkhTcsWW1mB5ONM9jQoIf-7yI6N3XyANt30EjeTVwilrUxwLwxfe19uX3D-vdsH6q6pqLx7Z3A7TKSuiPRTUo6cb-fgwD0wXpujVjIcHOVooI6oJHKno\">Unsupervised spectral decomposition of X-ray binaries with application to GX 339-4<\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><strong>Prerequisities:<\/strong> R (programming\/data analysis language), coding experience<\/div>\n<div><\/div>\n<div><\/div>\n<h4>(2) Impact of the companion star stellar wind on the X-ray spectrum of microquasar Cygnus X-3<\/h4>\n<div><strong>Short description:<\/strong> Using <a href=\"http:\/\/www.nublado.org\/\">Cloudy photoionization code<\/a>\u00a0to fit high-resolution X-ray spectra from microquasar\u00a0Cygnus X-3 to determine the effect of the intense X-ray emission on the ionization structure of the Wolf-Rayet companion star stellar wind.<\/div>\n<div><\/div>\n<div><\/div>\n<div><strong>Reading material:<\/strong> Szostek et al.:\u00a0<a href=\"https:\/\/watermark.silverchair.com\/mnras0386-0593.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAnIwggJuBgkqhkiG9w0BBwagggJfMIICWwIBADCCAlQGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMx9Q5ydc5kNj0PUzDAgEQgIICJbGEW52ZSc_xsBlNX-GIiJ3_efBlkXotoUo3sQa21nURu9R5-tKICMnHlKGXASDMWaEjty7ZSRT7H5KQWWOCUNLbjqIF2I_S5ZzGbAtZI2l-6RwwZlI7-9RZ2_OQbSLXI9GPZSVK1JVKj5FhLDtVZVn7HsoKEjef0znlQGN4lWcPNMGHcz9ODmzins5codIEzzkz9yT0LXZZWAWEhCP_8Sgs6OEymOQ9RRZINEjbDH-Q3OBJvYZw5-Nio5Q0J02p41RBa2X3X7yq9o7RYKBsWsxV_rVmOeQqWIU7gIFqpJSdnf9pEWo4pfnMYbcjoOiOOh8-9E6V7yiZCLdLJNah3-YPVZ_rCguLgP_jeCSfw2KZVQ4wssYybtVaS-JURW9uDGOLL722xmTqIJrHvPrA0joGtzmXEYcLWgJrz22CnjpE-Lq_sPjOXjPNuCYEJnC4E5vUBVMwGYP3eO3IVxEWTLXj0wF-lLXWwaYt1AWHJBlqJ1A9kByC2GH10XdLkrmdOuVcYsQkYNHi1BzH1t5UcnAQ7D5MJtsGtcmbnu14jZeFyDDHzSjdvRINXKg1qsVJnFmxzmyrw5aUBqs2iwgL5zQ1as7gq_2YKRShfUUt-YJhEdYG5hnaQY7XqnsqZXP3dBT8k_qAk6QV2QyG8z0nyLXZnhXRFzfCM6r7Qz9C2xb2UUb-PYNAj1NyodiCF-49VAgxQrPLQyAy9w2h0tjX8GWQD1PDpQ\">Effects of the stellar wind on X-ray spectra of Cygnus X-3<\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><strong>Prerequisities:<\/strong> Coding experience<\/div>\n","protected":false},"excerpt":{"rendered":"<p>(1) Emission components in thermonuclear X-ray bursts Short description: Using spectral decomposition methods (e.g. non-negative matrix factorization) to distinguish emission components in series of X-ray spectra from neutron star X-ray binaries during thermonuclear bursts on their surfaces. Reading material: Koljonen &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/users.utu.fi\/kiikol\/dissertation_ideas\/\"> <span class=\"screen-reader-text\">Dissertation ideas<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":122,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wds_primary_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-299","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/posts\/299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/users\/122"}],"replies":[{"embeddable":true,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/comments?post=299"}],"version-history":[{"count":6,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/posts\/299\/revisions"}],"predecessor-version":[{"id":323,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/posts\/299\/revisions\/323"}],"wp:attachment":[{"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/media?parent=299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/categories?post=299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/users.utu.fi\/kiikol\/wp-json\/wp\/v2\/tags?post=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}