{"id":737,"date":"2022-09-30T17:28:30","date_gmt":"2022-09-30T15:28:30","guid":{"rendered":"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/?post_type=eap_event&#038;p=737"},"modified":"2023-03-17T14:15:35","modified_gmt":"2023-03-17T13:15:35","slug":"good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney","status":"publish","type":"eap_event","link":"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\/","title":{"rendered":"\u201cGood Vibrations Seminar S3E4\u201d: Yaguang Li (University of Sydney, Australia)"},"content":{"rendered":"\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" width=\"870\" height=\"489\" src=\"https:\/\/www.youtube.com\/embed\/A7frRUah9uw?list=PLCswBYjvdjkpj-5lwWMMYwPc8k-rhyf3Z\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Developing the tools for probing solar-like oscillators.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">I focus on developing the fundamental tools to better characterise stellar properties, particularly for solar-type stars and red giants. My talk is a collection of three parts. Firstly, I introduce a new tool to be implemented in stellar modelling. I prescribe the surface correction, a known type of model uncertainty and conventionally treated with free parameters, to correlate with stellar parameters. The new prescription can effectively reduce the scatter in model-derived ages.&nbsp;Secondly, I discuss how to test the widely used asteroseismic scaling relations for deriving stellar masses and radii. I measure the intrinsic scatter to be a few per cent, using sharp features naturally formed by stellar populations. I also revise and test the systematic offsets of those relations, providing a solid justification for their applications.&nbsp;Thirdly, based on these foundational studies, I illustrate how discoveries can naturally emerge from data with increased precision. I find two new types of post-mass-transfer red giants based on their stellar properties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Developing the tools for probing solar-like oscillators. I focus on developing the fundamental tools to better characterise stellar properties, particularly<\/p>\n<p class=\"readmore\"><a href=\"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\/\" title=\"Read \u201cGood Vibrations Seminar S3E4\u201d: Yaguang Li (University of Sydney, Australia)\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":73,"featured_media":775,"comment_status":"open","ping_status":"closed","template":"","categories":[],"class_list":["post-737","eap_event","type-eap_event","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u201cGood Vibrations Seminar S3E4\u201d: Yaguang Li (University of Sydney, Australia) - The good vibrations seminars series<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u201cGood Vibrations Seminar S3E4\u201d: Yaguang Li (University of Sydney, Australia) - The good vibrations seminars series\" \/>\n<meta property=\"og:description\" content=\"Developing the tools for probing solar-like oscillators. I focus on developing the fundamental tools to better characterise stellar properties, particularlyRead more &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/events\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\/\" \/>\n<meta property=\"og:site_name\" content=\"The good vibrations seminars series\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-17T13:15:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites-lira.obspm.fr\/the-good-vibrations-seminars\/files\/2022\/11\/Yaguang-Li.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"621\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/the-good-vibrations-seminars\\\/events\\\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\\\/\",\"url\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/the-good-vibrations-seminars\\\/events\\\/good-vibrations-seminar-s3e4-yaguang-li-university-of-sydney\\\/\",\"name\":\"\u201cGood Vibrations Seminar S3E4\u201d: Yaguang Li (University of Sydney, Australia) - 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