{"id":887,"date":"2026-01-17T12:28:02","date_gmt":"2026-01-17T11:28:02","guid":{"rendered":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/?post_type=eap_event&#038;p=887"},"modified":"2026-01-28T09:11:25","modified_gmt":"2026-01-28T08:11:25","slug":"good-vibrations-seminar-s04e02-francisca-espinoza-rojas-heidelberg-institute-for-theoretical-studies-germany","status":"publish","type":"eap_event","link":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s04e02-francisca-espinoza-rojas-heidelberg-institute-for-theoretical-studies-germany\/","title":{"rendered":"Good Vibrations Seminar S04E02: Francisca Espinoza Rojas (Heidelberg Institute for Theoretical Studies, Germany)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">CAPASS: Towards a Comprehensive Asteroseismic Catalogue of Kepler Red-giant stars.<\/h2>\n\n\n\n<p><a href=\"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/files\/2026\/01\/CV_2026.pdf\">Francisca Espinoza Rojas (Heidelberg Institute for Theoretical Studies, Germany)<\/a><\/p>\n\n\n\n<p>Precise asteroseismic parameters derived from reliably identified oscillation modes are essential<br>for constraining stellar structure, testing stellar evolution theory, and deriving accurate stellar<br>parameters. In this seminar, I present the ongoing development of CAPASS (the Catalogue of<br>Asteroseismic Parameters for Stellar Structure), a catalogue of ~25,000 Kepler red giants that<br>provides global asteroseismic parameters (e.g., \u03bdmax and \u0394\u03bd), properties of individual modes<br>(frequencies, amplitudes, linewiths) and mode identification. Its construction required the<br>development of robust, fully automated unsupervised methods.<\/p>\n\n\n\n<p>The inherent complexity of red-giant oscillation spectra presents a significant challenge for<br>automation and complicates reliable mode identification. In this context, I focus on two aspects<br>that limit large-scale analyses. First, I address power density spectra exhibiting multiple<br>oscillation power excesses and present strategies to characterise these systems. Second, I<br>introduce a novel method for identifying dipole (\u2113 = 1) mixed modes based on spectral template<br>similarity. This robust approach can handle missing modes or spurious peaks and avoids strong<br>assumptions about parametric distributions.<\/p>\n\n\n\n<p>These developments are intended to be integrated into the fully automated, data-driven pipeline,<br>TACO (Tools for the Automated Characterisation of Oscillations), and, together with it, form the<br>methodological spine of CAPASS. This framework will enable the reliable extraction of<br>asteroseismic information at unprecedented scale, opening the way to detailed population-level<br>studies of red-giant interiors.<\/p>\n\n\n\n<video src=\"https:\/\/asteroseismolo.gy\/goodvibes\/S4\/2.mp4\" controls style=\"width: 100%\">\nVideo recording can be found <a href=\"https:\/\/asteroseismolo.gy\/goodvibes\/S4\/2.mp4\">here<\/a>.\n<\/video>\n","protected":false},"excerpt":{"rendered":"<p>CAPASS: Towards a Comprehensive Asteroseismic Catalogue of Kepler Red-giant stars. Francisca Espinoza Rojas (Heidelberg Institute for Theoretical Studies, Germany) Precise<\/p>\n<p class=\"readmore\"><a href=\"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s04e02-francisca-espinoza-rojas-heidelberg-institute-for-theoretical-studies-germany\/\" title=\"Read Good Vibrations Seminar S04E02: Francisca Espinoza Rojas (Heidelberg Institute for Theoretical Studies, Germany)\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":104,"featured_media":891,"comment_status":"open","ping_status":"closed","template":"","categories":[],"class_list":["post-887","eap_event","type-eap_event","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/eap_event\/887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/eap_event"}],"about":[{"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/types\/eap_event"}],"author":[{"embeddable":true,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/users\/104"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/comments?post=887"}],"version-history":[{"count":2,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/eap_event\/887\/revisions"}],"predecessor-version":[{"id":907,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/eap_event\/887\/revisions\/907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/media\/891"}],"wp:attachment":[{"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/media?parent=887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.lesia.obspm.fr\/the-good-vibrations-seminars\/wp-json\/wp\/v2\/categories?post=887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}