<?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>2026-09-21T23:14:46Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/114137" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/114137</identifier><datestamp>2022-01-13T07:53:59Z</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">Richard P. Binzel and Amanda S. Bosh.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Berry, Kristin L</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2018-03-12T19:31:26Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2018-03-12T19:31:26Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2013</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2013</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/114137</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">1027757955</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2013.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Cataloged from PDF version of thesis.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (pages 31-32).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">QX Pup is a known Mira variable at the core of the Rotten Egg Nebula that has not been studied in detail since its discovery in 1983. In this study, four years of photometric data in V and I and two years of photometric data in R and B are analyzed. A period of T = 535.4 ± 8 days, and a magnitude drop of [Delta]mI , = 2.2 ± 0.69 are measured in I, and and phase shifts between the the other three filters and I are determined to be [o]R = 6 ± 40 days, [o]B = 66 ± 64 days, #, [o]v = 16 ± 86 days. These results are used to speculate about the possibility of a light-echo off the Rotten Egg Nebula and the conditions on Earth-like planets around Mira variables.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Kristin L. Berry.</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">32 pages</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>
   <dim:field mdschema="dc" element="rights" lang="en_US">MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission.</dim:field>
   <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">Earth, Atmospheric, and Planetary Sciences.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">QX Pup : the fascinating yolk of the Rotten Egg Nebula</dim:field>
   <dim:field mdschema="dc" element="title" qualifier="alternative" lang="en_US">Fascinating yolk of the Rotten Egg Nebula</dim:field>
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   	&lt;Title>QX Pup : the fascinating yolk of the Rotten Egg Nebula&lt;/Title>
   	&lt;Subtitle>Fascinating yolk of the Rotten Egg Nebula&lt;/Subtitle>
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   	&lt;PublicationDate>2013&lt;/PublicationDate>
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        	&lt;DisplayName>Berry, Kristin L&lt;/DisplayName>
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    &lt;License>http://dspace.mit.edu/handle/1721.1/7582&lt;/License>
    &lt;Keyword>Earth, Atmospheric, and Planetary Sciences.&lt;/Keyword>
   	&lt;Abstract>QX Pup is a known Mira variable at the core of the Rotten Egg Nebula that has not been studied in detail since its discovery in 1983. In this study, four years of photometric data in V and I and two years of photometric data in R and B are analyzed. A period of T = 535.4 ± 8 days, and a magnitude drop of [Delta]mI , = 2.2 ± 0.69 are measured in I, and and phase shifts between the the other three filters and I are determined to be [o]R = 6 ± 40 days, [o]B = 66 ± 64 days, #, [o]v = 16 ± 86 days. These results are used to speculate about the possibility of a light-echo off the Rotten Egg Nebula and the conditions on Earth-like planets around Mira variables.&lt;/Abstract>
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