<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-18T19:06:17Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/51578" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/51578</identifier><datestamp>2022-01-13T07:54:41Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131024</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">David P. Huenemoerder.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Kesich, Anthony</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Physics.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Physics</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2010-02-09T16:47:13Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2010-02-09T16:47:13Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2009</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2009</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/51578</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">491293825</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2009.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (p. 14-15).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">We develop method to extract elemental abundance ratios using temperature-insensitive ratios of x-ray line fluxes for a collisionally ionized plasma. This method is then refined using more realistic plasma models for coronae of active stars. We finally apply the method to multiple sources and compare the results to those obtained via Emission Measure Modeling.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Anthony Kesich.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">S.B.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">15 p.</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
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   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Physics.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Temperature-insensitive line ratios</dim:field>
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   	&lt;Title>Temperature-insensitive line ratios&lt;/Title>
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   	&lt;PublicationDate>2009&lt;/PublicationDate>
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   	&lt;Abstract>We develop method to extract elemental abundance ratios using temperature-insensitive ratios of x-ray line fluxes for a collisionally ionized plasma. This method is then refined using more realistic plasma models for coronae of active stars. We finally apply the method to multiple sources and compare the results to those obtained via Emission Measure Modeling.&lt;/Abstract>
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