<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Our latest discoveries—two of the loudest gravitational-wave signals ever: #GW240925 and #GW250207]]></title><description><![CDATA[<p>Our latest discoveries—two of the loudest gravitational-wave signals ever: <a href="https://scicomm.xyz/tags/GW240925" rel="tag">#<span>GW240925</span></a> and <a href="https://scicomm.xyz/tags/GW250207" rel="tag">#<span>GW250207</span></a></p><p>Using these signals, and our understanding of binary black holes, we can verify that our detectors are correctly calibrated</p><p><div class="card col-md-9 col-lg-6 position-relative link-preview p-0">



<a href="https://ligo.org/science-summaries/GW240925-GW250207-astro-calibration/" title="Tuning our detectors using cosmic collisions – LSC – LIGO Scientific Collaboration">
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<a href="https://ligo.org/science-summaries/GW240925-GW250207-astro-calibration/">
Tuning our detectors using cosmic collisions – LSC – LIGO Scientific Collaboration
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<p class="d-inline-block text-truncate mb-0"> <span class="text-secondary">(ligo.org)</span></p>
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</div></p><p><a href="https://scicomm.xyz/tags/Astrodon" rel="tag">#<span>Astrodon</span></a> <a href="https://scicomm.xyz/tags/GravitationalWaves" rel="tag">#<span>GravitationalWaves</span></a></p>

<div class="row mt-3"><img class="img-thumbnail" src="https://media.scicomm.xyz/media_attachments/files/116/566/364/523/629/197/original/394a00ced642f9b4.png" alt="Link Preview Image" /></div>]]></description><link>https://board.circlewithadot.net/topic/b2c899a5-2ab4-40ca-8a9f-fe3005e979a2/our-latest-discoveries-two-of-the-loudest-gravitational-wave-signals-ever-gw240925-and-gw250207</link><generator>RSS for Node</generator><lastBuildDate>Fri, 15 May 2026 04:58:41 GMT</lastBuildDate><atom:link href="https://board.circlewithadot.net/topic/b2c899a5-2ab4-40ca-8a9f-fe3005e979a2.rss" rel="self" type="application/rss+xml"/><pubDate>Wed, 13 May 2026 08:39:43 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to Our latest discoveries—two of the loudest gravitational-wave signals ever: #GW240925 and #GW250207 on Wed, 13 May 2026 11:23:58 GMT]]></title><description><![CDATA[<p>Astrophysical calibration enables us to analyze data we couldn't otherwise</p><p>With the inclusion of LIGO Hanford data, <a href="https://scicomm.xyz/tags/GW250207" rel="tag">#<span>GW250207</span></a> is the second loudest ever</p><p>Using data from all three detectors makes a big difference to localizing the source</p><p><a href="https://scicomm.xyz/tags/Astrodon" rel="tag">#<span>Astrodon</span></a> <a href="https://scicomm.xyz/tags/GravitationalWaves" rel="tag">#<span>GravitationalWaves</span></a></p>

<div class="row mt-3"><div class="col-12 mt-3"><img class="img-thumbnail" src="https://media.scicomm.xyz/media_attachments/files/116/567/008/391/805/094/original/2b3d1073b15efb72.png" alt="Link Preview Image" /></div></div>]]></description><link>https://board.circlewithadot.net/post/https://scicomm.xyz/users/LIGO/statuses/116567011385601384</link><guid isPermaLink="true">https://board.circlewithadot.net/post/https://scicomm.xyz/users/LIGO/statuses/116567011385601384</guid><dc:creator><![CDATA[ligo@scicomm.xyz]]></dc:creator><pubDate>Wed, 13 May 2026 11:23:58 GMT</pubDate></item><item><title><![CDATA[Reply to Our latest discoveries—two of the loudest gravitational-wave signals ever: #GW240925 and #GW250207 on Wed, 13 May 2026 09:56:21 GMT]]></title><description><![CDATA[<p>In a new paper out today, we explain how we have used <a href="https://scicomm.xyz/tags/GW240925" rel="tag">#<span>GW240925</span></a> and <a href="https://scicomm.xyz/tags/GW250207" rel="tag">#<span>GW250207</span></a> for astrophysical calibration of our detectors</p><p>Using the characteristic chirp of a gravitational-wave signal, we can check that our detectors are in tune <img src="https://board.circlewithadot.net/assets/plugins/nodebb-plugin-emoji/emoji/android/1f3b6.png?v=28325c671da" class="not-responsive emoji emoji-android emoji--notes" style="height:23px;width:auto;vertical-align:middle" title="🎶" alt="🎶" /></p><p><img src="https://board.circlewithadot.net/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4c4.png?v=28325c671da" class="not-responsive emoji emoji-android emoji--page_facing_up" style="height:23px;width:auto;vertical-align:middle" title="📄" alt="📄" /> <a href="https://arxiv.org/abs/2605.11703" rel="nofollow noopener"><span>https://</span><span>arxiv.org/abs/2605.11703</span><span></span></a></p><p><a href="https://scicomm.xyz/tags/Astrodon" rel="tag">#<span>Astrodon</span></a> <a href="https://scicomm.xyz/tags/GravitationalWaves" rel="tag">#<span>GravitationalWaves</span></a></p>

<div class="row mt-3"><div class="col-12 mt-3"><img class="img-thumbnail" src="https://media.scicomm.xyz/media_attachments/files/116/566/665/448/801/659/original/a8bf9402fc8e7fa8.png" alt="Link Preview Image" /></div></div>]]></description><link>https://board.circlewithadot.net/post/https://scicomm.xyz/users/LIGO/statuses/116566666845688992</link><guid isPermaLink="true">https://board.circlewithadot.net/post/https://scicomm.xyz/users/LIGO/statuses/116566666845688992</guid><dc:creator><![CDATA[ligo@scicomm.xyz]]></dc:creator><pubDate>Wed, 13 May 2026 09:56:21 GMT</pubDate></item></channel></rss>