Astrophysics

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head><title>Astrophysics</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="apple-touch-icon" sizes="180x180" href="/static/browse/0.3.4/images/icons/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="/static/browse/0.3.4/images/icons/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="/static/browse/0.3.4/images/icons/favicon-16x16.png"> <link rel="manifest" href="/static/browse/0.3.4/images/icons/site.webmanifest"> <link rel="mask-icon" href="/static/browse/0.3.4/images/icons/safari-pinned-tab.svg" color="#5bbad5"> <meta name="msapplication-TileColor" content="#da532c"> <meta name="theme-color" content="#ffffff"> <link rel="stylesheet" type="text/css" media="screen" href="/static/browse/0.3.4/css/arXiv.css?v=20240822" /> <link rel="stylesheet" type="text/css" media="print" href="/static/browse/0.3.4/css/arXiv-print.css?v=20200611" /> <link rel="stylesheet" type="text/css" media="screen" href="/static/browse/0.3.4/css/browse_search.css" /> <script language="javascript" src="/static/browse/0.3.4/js/accordion.js" /></script> <link rel="alternate" type="application/rss+xml" title="" href="/rss/"/> </head> <body class="with-cu-identity"> <div class="flex-wrap-footer"> <header> <a href="#content" class="is-sr-only">Skip to main content</a>  <div class="columns is-vcentered is-hidden-mobile" id="cu-identity"> <div class="column" id="cu-logo"> <a href="https://www.cornell.edu/"><img src="/static/browse/0.3.4/images/icons/cu/cornell-reduced-white-SMALL.svg" alt="Cornell University" /></a> </div><div class="column" id="support-ack"> <span id="support-ack-url">We gratefully acknowledge support from the Simons Foundation, <a href="https://info.arxiv.org/about/ourmembers.html">member institutions</a>, and all contributors.</span> <a href="https://info.arxiv.org/about/donate.html" class="btn-header-donate">Donate</a> </div> </div> <div id="header" class="is-hidden-mobile"> <a aria-hidden="true" tabindex="-1" href="/IgnoreMe"></a> <h1 class="header-breadcrumbs"><a href="/"><img src="/static/browse/0.3.4/images/arxiv-logo-one-color-white.svg" alt="arxiv logo" style="height:40px;"/></a> <span>></span> <a href="/list/astro-ph/recent">astro-ph</a></h1> <div class="search-block level-right"> <form class="level-item mini-search" method="GET" action="https://arxiv.org/search"> <div class="field has-addons"> <div class="control"> <input class="input is-small" type="text" name="query" placeholder="Search..." aria-label="Search term or terms" /> <p class="help"><a href="https://info.arxiv.org/help">Help</a> | <a href="https://arxiv.org/search/advanced">Advanced Search</a></p> </div> <div class="control"> <div class="select is-small"> <select name="searchtype" aria-label="Field to search"> <option value="all" selected="selected">All fields</option> <option value="title">Title</option> <option value="author">Author</option> <option value="abstract">Abstract</option> <option value="comments">Comments</option> <option value="journal_ref">Journal reference</option> <option value="acm_class">ACM classification</option> <option value="msc_class">MSC classification</option> <option value="report_num">Report number</option> <option value="paper_id">arXiv identifier</option> <option value="doi">DOI</option> <option value="orcid">ORCID</option> <option value="author_id">arXiv author ID</option> <option value="help">Help pages</option> <option value="full_text">Full text</option> </select> </div> </div> <input type="hidden" name="source" value="header"> <button class="button is-small is-cul-darker">Search</button> </div> </form> </div> </div> <div class="mobile-header"> <div class="columns is-mobile"> <div class="column logo-arxiv"><a href="https://arxiv.org/"><img src="/static/browse/0.3.4/images/arxiv-logomark-small-white.svg" alt="arXiv logo" style="height:60px;" /></a></div> <div class="column logo-cornell"><a href="https://www.cornell.edu/"> <picture> <source media="(min-width: 501px)" srcset="/static/browse/0.3.4/images/icons/cu/cornell-reduced-white-SMALL.svg 400w" sizes="400w" /> <source srcset="/static/browse/0.3.4/images/icons/cu/cornell_seal_simple_black.svg 2x" /> <img src="/static/browse/0.3.4/images/icons/cu/cornell-reduced-white-SMALL.svg" alt="Cornell University Logo" /> </picture> </a></div> <div class="column nav" id="toggle-container" role="menubar"> <button class="toggle-control"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-white"><title>open search</title><path d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"/></svg></button> <div class="mobile-toggle-block toggle-target"> <form class="mobile-search-form" method="GET" action="https://arxiv.org/search"> <div class="field has-addons"> <input class="input" type="text" name="query" placeholder="Search..." aria-label="Search term or terms" /> <input type="hidden" name="source" value="header"> <input type="hidden" name="searchtype" value="all"> <button class="button">GO</button> </div> </form> </div> <button class="toggle-control"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-white" role="menu"><title>open navigation menu</title><path d="M16 132h416c8.837 0 16-7.163 16-16V76c0-8.837-7.163-16-16-16H16C7.163 60 0 67.163 0 76v40c0 8.837 7.163 16 16 16zm0 160h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16zm0 160h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16z"/ ></svg></button> <div class="mobile-toggle-block toggle-target"> <nav class="mobile-menu" aria-labelledby="mobilemenulabel"> <h2 id="mobilemenulabel">quick links</h2> <ul> <li><a href="https://arxiv.org/login">Login</a></li> <li><a href="https://info.arxiv.org/help">Help Pages</a></li> <li><a href="https://info.arxiv.org/about">About</a></li> </ul> </nav> </div> </div> </div> </div> </header> <main> <div id="content"> <h1>Astrophysics <span style="font-size: 70%;">(since April 1992)</span></h1> <p>For a <em>specific paper</em>, enter the identifier into the top right search box.</p> <ul> <li><b>Browse:</b> <ul> <li> <a href="/list/astro-ph/new">new</a> (most recent mailing, with abstracts) </li> <li><a href="/list/astro-ph/recent">recent</a> (last 5 mailings) </li> <li><a href="/list/astro-ph/current">current month's</a> listings</li> <li>specific year/month: <form action="/list" method="get"> <input id="archive" name="archive" required type="hidden" value="astro-ph"> <select id="year" name="year" required><option value="2024">2024</option><option value="2023">2023</option><option value="2022">2022</option><option value="2021">2021</option><option value="2020">2020</option><option value="2019">2019</option><option value="2018">2018</option><option value="2017">2017</option><option value="2016">2016</option><option value="2015">2015</option><option value="2014">2014</option><option value="2013">2013</option><option value="2012">2012</option><option value="2011">2011</option><option value="2010">2010</option><option value="2009">2009</option><option value="2008">2008</option><option value="2007">2007</option><option value="2006">2006</option><option value="2005">2005</option><option value="2004">2004</option><option value="2003">2003</option><option value="2002">2002</option><option value="2001">2001</option><option value="2000">2000</option><option value="1999">1999</option><option value="1998">1998</option><option value="1997">1997</option><option value="1996">1996</option><option value="1995">1995</option><option value="1994">1994</option><option value="1993">1993</option><option value="1992">1992</option></select> <select id="month" name="month" required><option value="all">all months</option><option value="01">01 (Jan)</option><option value="02">02 (Feb)</option><option value="03">03 (Mar)</option><option value="04">04 (Apr)</option><option value="05">05 (May)</option><option value="06">06 (Jun)</option><option value="07">07 (Jul)</option><option value="08">08 (Aug)</option><option value="09">09 (Sep)</option><option value="10">10 (Oct)</option><option value="11">11 (Nov)</option><option value="12">12 (Dec)</option></select> <input id="submit" name="submit" type="submit" value="Go"> </form> </li> </ul> </li> <li><b>Catch-up:</b> <form id="catchup-form" action="/catchup" method="get" onsubmit="catchupParamSelection('astro-ph')"> <input id="catchup_archive" type="hidden" value="astro-ph"/> <input type="hidden" id="subject" name="subject" /> <label for="catchup_category">Categories:</label> <select name="catchup_category" id="catchup_category"> <option value="" selected>All</option> <option value="astro-ph.CO"> Cosmology and Nongalactic Astrophysics </option> <option value="astro-ph.EP"> Earth and Planetary Astrophysics </option> <option value="astro-ph.GA"> Astrophysics of Galaxies </option> <option value="astro-ph.HE"> High Energy Astrophysical Phenomena </option> <option value="astro-ph.IM"> Instrumentation and Methods for Astrophysics </option> <option value="astro-ph.SR"> Solar and Stellar Astrophysics </option> </select> <br> Changes since: <select id="catchup_day"> <option value="01">01</option> <option value="02">02</option> <option value="03">03</option> <option value="04">04</option> <option value="05">05</option> <option value="06">06</option> <option value="07">07</option> <option value="08">08</option> <option value="09">09</option> <option value="10">10</option> <option value="11">11</option> <option value="12">12</option> <option value="13">13</option> <option value="14">14</option> <option value="15">15</option> <option value="16">16</option> <option value="17">17</option> <option value="18">18</option> <option value="19">19</option> <option value="20">20</option> <option value="21">21</option> <option value="22">22</option> <option value="23">23</option> <option value="24">24</option> <option value="25">25</option> <option value="26">26</option> <option value="27">27</option> <option value="28">28</option> <option value="29">29</option> <option value="30">30</option> <option value="31">31</option> </select> <select id="catchup_month"> <option value="01" >01 (Jan)</option> <option value="02" >02 (Feb)</option> <option value="03" >03 (Mar)</option> <option value="04" >04 (Apr)</option> <option value="05" >05 (May)</option> <option value="06" >06 (Jun)</option> <option value="07" >07 (Jul)</option> <option value="08" >08 (Aug)</option> <option value="09" >09 (Sep)</option> <option value="10" >10 (Oct)</option> <option value="11" >11 (Nov)</option> <option value="12" selected>12 (Dec)</option> </select> <select id="catchup_year"> <option value="2024">2024</option> <option value="2023">2023</option> </select> <input type="hidden" id="date" name="date" /> , view results <select name="include_abs"> <option value="False" selected> without </option> <option value="True" > with </option> </select> abstracts <input type="submit" value="Go"/> </form> </li> <li><b>Search</b> within the <a href="https://arxiv.org/search/astro-ph">astro-ph archive</a></li> <li>Article statistics by year:<br> <a href="/year/astro-ph/2024">2024</a> <a href="/year/astro-ph/2023">2023</a> <a href="/year/astro-ph/2022">2022</a> <a href="/year/astro-ph/2021">2021</a> <a href="/year/astro-ph/2020">2020</a> <a href="/year/astro-ph/2019">2019</a> <a href="/year/astro-ph/2018">2018</a> <a href="/year/astro-ph/2017">2017</a> <a href="/year/astro-ph/2016">2016</a> <a href="/year/astro-ph/2015">2015</a> <a href="/year/astro-ph/2014">2014</a> <a href="/year/astro-ph/2013">2013</a> <a href="/year/astro-ph/2012">2012</a> <a href="/year/astro-ph/2011">2011</a> <a href="/year/astro-ph/2010">2010</a> <a href="/year/astro-ph/2009">2009</a> <a href="/year/astro-ph/2008">2008</a> <a href="/year/astro-ph/2007">2007</a> <a href="/year/astro-ph/2006">2006</a> <a href="/year/astro-ph/2005">2005</a> <a href="/year/astro-ph/2004">2004</a> <a href="/year/astro-ph/2003">2003</a> <a href="/year/astro-ph/2002">2002</a> <a href="/year/astro-ph/2001">2001</a> <a href="/year/astro-ph/2000">2000</a> <a href="/year/astro-ph/1999">1999</a> <a href="/year/astro-ph/1998">1998</a> <a href="/year/astro-ph/1997">1997</a> <a href="/year/astro-ph/1996">1996</a> <a href="/year/astro-ph/1995">1995</a> <a href="/year/astro-ph/1994">1994</a> <a href="/year/astro-ph/1993">1993</a> <a href="/year/astro-ph/1992">1992</a> </li> </ul> <h2>Categories within Astrophysics</h2> <ul> <li><b>astro-ph.CO - Cosmology and Nongalactic Astrophysics</b> (<a href="/list/astro-ph.CO/new">new</a>, <a href="/list/astro-ph.CO/recent">recent</a>, <a href="/list/astro-ph.CO/current">current month</a>) <div class="description">Phenomenology of early universe, cosmic microwave background, cosmological parameters, primordial element abundances, extragalactic distance scale, large-scale structure of the universe. Groups, superclusters, voids, intergalactic medium. Particle astrophysics: dark energy, dark matter, baryogenesis, leptogenesis, inflationary models, reheating, monopoles, WIMPs, cosmic strings, primordial black holes, cosmological gravitational radiation</div> </li> <li><b>astro-ph.EP - Earth and Planetary Astrophysics</b> (<a href="/list/astro-ph.EP/new">new</a>, <a href="/list/astro-ph.EP/recent">recent</a>, <a href="/list/astro-ph.EP/current">current month</a>) <div class="description">Interplanetary medium, planetary physics, planetary astrobiology, extrasolar planets, comets, asteroids, meteorites. Structure and formation of the solar system</div> </li> <li><b>astro-ph.GA - Astrophysics of Galaxies</b> (<a href="/list/astro-ph.GA/new">new</a>, <a href="/list/astro-ph.GA/recent">recent</a>, <a href="/list/astro-ph.GA/current">current month</a>) <div class="description">Phenomena pertaining to galaxies or the Milky Way. Star clusters, HII regions and planetary nebulae, the interstellar medium, atomic and molecular clouds, dust. Stellar populations. Galactic structure, formation, dynamics. Galactic nuclei, bulges, disks, halo. Active Galactic Nuclei, supermassive black holes, quasars. Gravitational lens systems. The Milky Way and its contents</div> </li> <li><b>astro-ph.HE - High Energy Astrophysical Phenomena</b> (<a href="/list/astro-ph.HE/new">new</a>, <a href="/list/astro-ph.HE/recent">recent</a>, <a href="/list/astro-ph.HE/current">current month</a>) <div class="description">Cosmic ray production, acceleration, propagation, detection. Gamma ray astronomy and bursts, X-rays, charged particles, supernovae and other explosive phenomena, stellar remnants and accretion systems, jets, microquasars, neutron stars, pulsars, black holes</div> </li> <li><b>astro-ph.IM - Instrumentation and Methods for Astrophysics</b> (<a href="/list/astro-ph.IM/new">new</a>, <a href="/list/astro-ph.IM/recent">recent</a>, <a href="/list/astro-ph.IM/current">current month</a>) <div class="description">Detector and telescope design, experiment proposals. Laboratory Astrophysics. Methods for data analysis, statistical methods. Software, database design</div> </li> <li><b>astro-ph.SR - Solar and Stellar Astrophysics</b> (<a href="/list/astro-ph.SR/new">new</a>, <a href="/list/astro-ph.SR/recent">recent</a>, <a href="/list/astro-ph.SR/current">current month</a>) <div class="description">White dwarfs, brown dwarfs, cataclysmic variables. Star formation and protostellar systems, stellar astrobiology, binary and multiple systems of stars, stellar evolution and structure, coronas. Central stars of planetary nebulae. Helioseismology, solar neutrinos, production and detection of gravitational radiation from stellar systems</div> </li> </ul> <script> function catchupParamSelection(archive) { var day = document.getElementById('catchup_day').value.padStart(2, '0'); var month = document.getElementById('catchup_month').value.padStart(2, '0'); var year = document.getElementById('catchup_year').value; var combinedDate = `${year}-${month}-${day}`; document.getElementById('date').value = combinedDate; var categoryElement = document.getElementById('catchup_category'); var category = categoryElement ? categoryElement.value : ""; var subject; if (category && category !== "") { subject = category; } else { subject = archive; } document.getElementById('subject').value = subject } </script> </div> </main> <footer style="clear: both;"> <div class="columns is-desktop" role="navigation" aria-label="Secondary" style="margin: -0.75em -0.75em 0.75em -0.75em">  <div class="column" style="padding: 0;"> <div class="columns"> <div class="column"> <ul style="list-style: none; line-height: 2;"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul style="list-style: none; line-height: 2;"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column" style="padding: 0;"> <div class="columns"> <div class="column"> <ul style="list-style: none; line-height: 2;"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul style="list-style: none; line-height: 2;"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>   </div> </footer> </div> <script src="/static/base/1.0.1/js/member_acknowledgement.js"></script> </body> </html>

CINXE.COM

Astrophysics