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Structure</a><ul><li><a href="/science/scientific_bodies/commissions/C4/info/">Commission C4 Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/C4/info/objectives/">Scientific Objectives</a></li><li><a href="/science/scientific_bodies/commissions/C4/info/wgs/">Working Groups</a></li><li><a href="/science/scientific_bodies/commissions/C4/members/">Members</a></li><li><a href="/science/scientific_bodies/commissions/C4/info/news/">News</a></li><li><a href="/science/scientific_bodies/commissions/C4/info/meetings/">Meetings</a></li><li><a href="/science/scientific_bodies/commissions/C4/info/documents/">Documents</a></li></ul></li></ul></li><li><a href="/science/scientific_bodies/commissions/C5/">Commission C5 Structure</a><ul><li><a href="/science/scientific_bodies/commissions/C5/info/">Commission C5 Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/C5/info/objectives/">Scientific Objectives</a></li><li><a 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Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/F1/info/objectives/">Scientific Objectives</a></li><li><a href="/science/scientific_bodies/commissions/F1/info/wgs/">Working Groups</a></li><li><a href="/science/scientific_bodies/commissions/F1/members/">Members</a></li><li><a href="/science/scientific_bodies/commissions/F1/info/news/">News</a></li><li><a href="/science/scientific_bodies/commissions/F1/info/meetings/">Meetings</a></li><li><a href="/science/scientific_bodies/commissions/F1/info/documents/">Documents</a></li></ul></li></ul></li><li><a href="/science/scientific_bodies/commissions/F2/">Commission F2 Structure</a><ul><li><a href="/science/scientific_bodies/commissions/F2/info/">Commission F2 Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/F2/info/objectives/">Scientific Objectives</a></li><li><a href="/science/scientific_bodies/commissions/F2/info/wgs/">Working Groups</a></li><li><a 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Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/G1/info/objectives/">Scientific Objectives</a></li><li><a href="/science/scientific_bodies/commissions/G1/members/">Members</a></li><li><a href="/science/scientific_bodies/commissions/G1/info/news/">News</a></li><li><a href="/science/scientific_bodies/commissions/G1/info/meetings/">Meetings</a></li><li><a href="/science/scientific_bodies/commissions/G1/info/documents/">Documents</a></li></ul></li></ul></li><li><a href="/science/scientific_bodies/commissions/G2/">Commission G2 Structure</a><ul><li><a href="/science/scientific_bodies/commissions/G2/info/">Commission G2 Homepage</a><ul><li><a href="/science/scientific_bodies/commissions/G2/info/objectives/">Scientific Objectives</a></li><li><a href="/science/scientific_bodies/commissions/G2/members/">Members</a></li><li><a href="/science/scientific_bodies/commissions/G2/info/news/">News</a></li><li><a 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href="/science/scientific_bodies/divisions/">Divisions</a></li><li><a href="/science/scientific_bodies/divisions/J/">Division J Structure</a></li> » <a href="/science/scientific_bodies/divisions/J/">Division J Galaxies and Cosmology</a> </ol> </div> </div> </div> <script type="text/javascript" src="/static/djp/js/base.db9b4557372e.js" charset="utf-8"></script> <link rel="stylesheet" href="/static/djp/jquery-ui-1.12.1/jquery-ui.css"> <script> $(document).ready(function() { console.log('DATEPICKER'); $('.datepicker').datepicker({ dateFormat: 'yy-mm-dd' }); }); </script> <div id="twocolumns" class="row"> <div class="col-md-9"> <div id="main-page-grey" class="padded-10"> <h1>Division J Galaxies and Cosmology</h1> <h3>Description</h3> <p><p>Division J focuses on the physics of the Universe and galaxies beyond our Milky Way using theory, simulations, and panchromatic observations. Div J connects across many of the other <a href="https://www.iau.org/science/scientific_bodies/divisions/list/">Divisions</a> and has strong overlap with Div B, Div D, Div G and Div H.</p> <p>The main themes of Division J include:</p> <ol> <li><em>Physics and content of the Universe</em> <br />The early Universe, cosmological models; <br />Baryonic and non-baryonic matter, dark matter and dark energy, origin of gravitational waves</li> <li><em>Evolution of structures</em> <br />Cosmic backgrounds (CMB, and all backgrounds from radio to gamma-rays); <br />Populations of galaxies, galaxy clusters and groups, intergalactic medium, cosmic web</li> <li><em>Formation and evolution of galaxies</em> <br />Reionization, first objects; <br />AGN, starbursts, massive galaxies; <br />History of star formation; <br />Physics of galaxies at all redshifts, role of the environment.</li> <li><em>Spatially resolved galaxies</em> <br />Star formation in galaxies, stellar populations; <br />Circumgalactic medium; galactic sub-structure</li> <li><em>Science and Data Analysis Methods for extra-galactic and cosmological surveys</em> <br />Large-scale visualization of galaxies/simulations; <br />Data mining, deep and machine learning algorithms</li> </ol></p> <hr /> <h3><a href="/science/scientific_bodies/divisions/J/info/">Division Web Page</a></h3> <hr /> <h3><a href="members/">Division Members</a></h3> <ul> <li>Total number of active members: 4108</li> <li>Number of junior members: 424</li> </ul> <hr /> <h3>Participating Commissions</h3> <p> <a href="/science/scientific_bodies/commissions/H4/">Inter-Division G-H-J Commission Stellar Clusters</a><br/> <a href="/science/scientific_bodies/commissions/J1/">Inter-Division D-G-H-J Commission Galaxy Spectral Energy Distributions</a><br/> <a href="/science/scientific_bodies/commissions/J2/">Inter-Division B-H-J Commission Intergalactic Medium</a><br/> <a href="/science/scientific_bodies/commissions/J3/">Commission J3 Galaxies at the Epoch of Reionisation</a><br/> <a href="/science/scientific_bodies/commissions/X1/">Cross-Division D-J Commission Supermassive Black Holes, Feedback and Galaxy Evolution</a><br/> </p> <hr> <div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true"> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="headingOne"> <h3 class="panel-title"> <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapsePresident_1" aria-expanded="false" aria-controls="collapsePresident" class="collapsed"> President</a> </h3> </div> <div id="collapsePresident_1" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingOne" aria-expanded="true"> <div class="panel-body"> <div class="profile_box"><div class="profile_photo"><img src="/static/profile_photos/cristina_popescu.jpg"/></div><h3><a href="/administration/membership/individual/8783/">Cristina Carmen Popescu</a></h3><p>University of Central Lancashire<br/>Jeremiah Horrocks Institute<br/>PR1 2HE<br/>Preston<br/>United Kingdom</p><p>Phone: +44 1772893551<br/>Organization website: <a target="_blank" href="http://www.star.uclan.ac.uk">http://www.star.uclan.ac.uk</a></p><p>NCA adherence: United Kingdom</p><p><strong>Last updated:</strong><br />November 20, 2023</p></div> </div> </div> </div> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="headingOne"> <h3 class="panel-title"> <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseVP_1" aria-expanded="false" aria-controls="collapseVP" class="collapsed"> Vice-President</a> </h3> </div> <div id="collapseVP_1" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingOne" aria-expanded="true"> <div class="panel-body"> <div class="profile_box"><div class="profile_photo"><img src="/static/profile_photos/image002.jpg"/></div><h3><a href="/administration/membership/individual/11734/">Stephen Serjeant</a></h3><p>Open University<br/>School of Physical Sciences<br/>Faculty of Science<br/>Walton Hall<br/>Milton Keynes MK7 6AA<br/>Buckingham<br/>United Kingdom</p><p>Phone: +44 (0)1908 652724<br/>Personal website: <a target="_blank" href="https://stephenserjeant.github.io/">https://stephenserjeant.github.io/</a><br/>Organization website: <a target="_blank" href="http://astronomy.open.ac.uk">http://astronomy.open.ac.uk</a></p><p>NCA adherence: United Kingdom</p><p><strong>Last updated:</strong><br />November 20, 2023</p></div> </div> </div> </div> <div class="panel panel-default"> <div class="panel-heading" role="tab" id="headingOne"> <h3 class="panel-title"> <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseAd_1" aria-expanded="false" aria-controls="collapseAd" class="collapsed"> Advisor</a> </h3> </div> <div id="collapseAd_1" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingOne" aria-expanded="true"> <div class="panel-body"> <div class="profile_box"><div class="profile_photo"><img src="/static/profile_photos/kimvy-tran.jpeg"/></div><h3><a href="/administration/membership/individual/13911/">Kim-Vy Tran</a></h3><p>University of New South Wales<br/>School of Physics<br/>Sydney 2052<br/>New South Wales (NSW)<br/>Australia</p><p>Personal website: <a target="_blank" href="https://www.kimvytran.org">https://www.kimvytran.org</a></p><p>NCA adherence: Australia</p><p><strong>Last updated:</strong><br />November 20, 2023</p></div> </div> </div> </div> </div> <h3>Steering Committee</h3> <div class="bounded_box"> <p> <a href="/administration/membership/individual/20466/">Pascale M Hibon</a> <br/> <a href="/administration/membership/individual/13662/">Vincenzo Mainieri</a> <br/> <a href="/administration/membership/individual/16642/">Lucia Marchetti</a> <br/> <a href="/administration/membership/individual/7783/">A. Meiksin</a> <br/> <a href="/administration/membership/individual/15450/">Laura Pentericci</a> <br/> <a href="/administration/membership/individual/8783/">Cristina Carmen Popescu</a> <br/> <a href="/administration/membership/individual/16857/">Scott W. Randall</a> <br/> <a href="/administration/membership/individual/11734/">Stephen Serjeant</a> <br/> <a href="/administration/membership/individual/12031/">Ralf Siebenmorgen</a> <br/> <a href="/administration/membership/individual/13911/">Kim-Vy Tran</a> <br/> <a href="/administration/membership/individual/15660/">Laurence Tresse</a> <br/> <a href="/administration/membership/individual/10948/">Tracy M.A. Webb</a> <br/> </p> </div> <div align="center"><a href="/science/scientific_bodies/divisions/list/">View all Divisions</a></div> </div>  <script type="text/javascript" src="/static/djp/js/member_profile.34a66f32e90d.js" charset="utf-8"></script> </div> <div class="col-md-3"> <div id="google-search-box"> <form action="/search/" method="get" role="search"> <div class="form-group"> <input class="form-control" type="text" name="q" size="25" placeholder="Search www.iau.org" /> </div> </form> </div> <h4>Search Scientific Bodies</h4> <br /> <form action="/science/scientific_bodies/search/" 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