MPI for the Science of Light<p><a href="https://wisskomm.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AI</span></a> finds new ways to observe extreme events in the universe</p><p>Extreme cosmic events such as colliding black holes or the explosions of stars can cause ripples in spacetime, <a href="https://wisskomm.social/tags/gravitationalwaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravitationalwaves</span></a>. To observe them, ultra-precise detectors are required. Scientists around <a href="https://wisskomm.social/tags/MPL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MPL</span></a> research group leader Dr. <span class="h-card" translate="no"><a href="https://masto.ai/@mariokrenn" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mariokrenn</span></a></span> have been working on how an AI system could explore an unimaginably vast space of possible designs to find entirely new solutions. </p><p>Read more 👉 <a href="https://mpl.mpg.de/news/article/ai-finds-new-ways-to-observe-the-most-extreme-events-in-the-universe" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mpl.mpg.de/news/article/ai-fin</span><span class="invisible">ds-new-ways-to-observe-the-most-extreme-events-in-the-universe</span></a></p><p>📸 see article</p>
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#gravitationalwaves
3 posts · 2 participants · 1 post today
MPI for Gravitational Physics<p>On this day, six years ago, <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> Livingston and Virgo detected an unusual gravitational-wave signal.</p><p>GW190425 was only the second signal from (most likely) a neutron star merger. Its distance to Earth was significantly larger and the sky position less precisely determined than for the first such signal (GW170817). Therefore, astronomers did not observe any afterglow in the electromagnetic spectrum.</p><p>The total mass of the merging objects was unusually high compared to known double neutron stars.</p><p>ℹ️ <a href="https://www.aei.mpg.de/142401/news-from-the-gravitational-universe" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/142401/news-from-th</span><span class="invisible">e-gravitational-universe</span></a></p><p>The publication abuout the observed gravitational-wave signal appeared on 6 January 2020:</p><p>📄 <a href="https://iopscience.iop.org/article/10.3847/2041-8213/ab75f5" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iopscience.iop.org/article/10.</span><span class="invisible">3847/2041-8213/ab75f5</span></a></p><p><a href="https://astrodon.social/tags/OnThisDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OnThisDay</span></a> <a href="https://astrodon.social/tags/OTD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OTD</span></a> <a href="https://astrodon.social/tags/GW190425" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GW190425</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/NeutronStars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeutronStars</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
MPI for Gravitational Physics<p>Leveling up GEO600 🚀🎚️</p><p>The gravitational-wave detector GEO600 is being upgraded to enable observations at very high frequencies.</p><p>ℹ️ <a href="https://www.geo600.org/219762/levelling-up-geo600" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">geo600.org/219762/levelling-up</span><span class="invisible">-geo600</span></a></p><p>The detection of high-frequency gravitational waves could shed light on dark matter, exotic physics, and the early Universe.</p><p>The upgrades at the cutting edge of science will maintain GEO600's status as a pioneer in gravitational-wave research.</p><p><a href="https://astrodon.social/tags/GEO600" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GEO600</span></a> <a href="https://astrodon.social/tags/GEO600VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GEO600VHF</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/DarkMatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkMatter</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://astrodon.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a></p>
Toni Aittoniemi<p>Stupid nerd wannabes like the Muskster obsess about Mars.</p><p>Actual nerds obsess about stuff like LISA, that might just allow us to see into the structure of spacetime itself.</p><p>Just no comparison, not even by far! 😐<br><a href="https://lisa.nasa.gov/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lisa.nasa.gov/</span><span class="invisible"></span></a><br><a href="https://mastodon.green/tags/laserinterferometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>laserinterferometry</span></a> <a href="https://mastodon.green/tags/gravitationalwaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravitationalwaves</span></a> <a href="https://mastodon.green/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.green/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a></p>
MPI for Gravitational Physics<p>On this day, six years ago, on 12 April 2019, both <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> instruments and the Virgo detector observed the gravitational-wave signal GW190412.</p><p>It was a signal like none before, because GW190412 was the first to come from two merging black holes with very different masses. Never-before-heard overtones in the frequencies of the gravitational-wave were observed. These also allowed a more precise determination of the properties of the two black holes.</p><p>ℹ️ <a href="https://www.aei.mpg.de/213678/a-signal-like-none-before" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/213678/a-signal-lik</span><span class="invisible">e-none-before</span></a></p><p>About a year later (on 20 April 2020), the paper with all the details of the discovery was published.</p><p>📄 <a href="https://journals.aps.org/prd/abstract/10.1103/PhysRevD.102.043015" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">journals.aps.org/prd/abstract/</span><span class="invisible">10.1103/PhysRevD.102.043015</span></a> [Open Access]</p><p><a href="https://astrodon.social/tags/OnThisDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OnThisDay</span></a> <a href="https://astrodon.social/tags/OTD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OTD</span></a> <a href="https://astrodon.social/tags/GW190412" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GW190412</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://astrodon.social/tags/relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>relativity</span></a></p>
UofG Gravitational Research<p>The 24th International Conference on General Relativity and Gravitation & 16th Edoardo Amaldi Conference on Gravitational Waves (GR-Amaldi) is approaching! The main conference will run from 14 to 18 July 2025 in Glasgow, UK. Other associated meetings will occur before the main conference.</p><p>Early Registration is now open, until 9 May 2025. The abstract submission deadline is Friday 21 March.</p><p>For further information, please visit the event website at <a href="https://iop.eventsair.com/gr24-amaldi16/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iop.eventsair.com/gr24-amaldi1</span><span class="invisible">6/</span></a></p><p><a href="https://mastodon.scot/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a></p>
Dr Christopher Berry<p>Delighted to share work led by Storm Colloms out today <a href="https://arxiv.org/abs/2503.03819" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2503.03819</span><span class="invisible"></span></a></p><p>Gravitational waves probe how massive stars evolve. Comparing simulations to observations we can measure currently uncertain input physics. But generating simulations is expensive.</p><p>We use normalising flows, a handy <a href="https://mastodon.online/tags/MachineLearning" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MachineLearning</span></a> technique, to emulate binary black hole populations. I was impressed by how well this approached worked!</p><p>1/🧵 <a href="https://mastodon.online/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a> <a href="https://mastodon.online/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a></p>
MPI for Gravitational Physics<p>Yesterday, we completely forgot to tell you about the latest gravitational-wave candidate. Let's remedy that right now!</p><p>Both <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> detectors and Virgo detected the possible signal S250304cb at (our) breakfast time on 4 March.</p><p>If it is real, it came from a merger of two black holes at a (luminosity) distance of around 5.8 billion light-years.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250304cb/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250304cb/view/</span></a> [GraceDB]</p><p>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250304cb" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gcn.nasa.gov/circulars?query=S</span><span class="invisible">250304cb</span></a> [related GCN Circulars]</p><p>Edit: added links</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/S250304cb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250304cb</span></a></p>
MPI for Gravitational Physics<p>In case you missed it, M. Alessandra Papa's popular science talk in Italian about gravitational-wave astronomy and the “cosmic symphony” is available online:</p><p>🎞️ <a href="https://inv.nadeko.net/watch?v=NR_Jwwx2tFY" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">inv.nadeko.net/watch?v=NR_Jwwx</span><span class="invisible">2tFY</span></a> [Invidous]</p><p>🎞️ <a href="https://www.youtube.com/watch?v=NR_Jwwx2tFY" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=NR_Jwwx2tF</span><span class="invisible">Y</span></a> [YouTube]</p><p><a href="https://astrodon.social/@mpi_grav/114041116658945331" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">astrodon.social/@mpi_grav/1140</span><span class="invisible">41116658945331</span></a></p><p><a href="https://astrodon.social/tags/Outreach" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Outreach</span></a> <a href="https://astrodon.social/tags/SciComm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SciComm</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://astrodon.social/tags/PublicTalk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PublicTalk</span></a> <a href="https://astrodon.social/tags/PopularScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PopularScience</span></a></p>
MPI for Gravitational Physics<p>Dr. Gudrun Wanner is an Independent Group Leader for Optical Simulations in the “Space Interferometry” group.</p><p>She is helping to realize the planned space-based gravitational wave detector <span class="h-card" translate="no"><a href="https://astrodon.social/@LISA" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LISA</span></a></span>. She is specialized on the LISA interferometry and in particular on optical simulations that are needed to ensure the excellent noise performance required for LISA.</p><p>ℹ️ <a href="https://www.aei.mpg.de/305499/gudrun-wanner" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/305499/gudrun-wanne</span><span class="invisible">r</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/SeniorScientist" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeniorScientist</span></a> <a href="https://astrodon.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Prof. Dr. M. Alessandra Papa leads the permanent independent <span class="h-card" translate="no"><a href="https://wisskomm.social/@maxplanckgesellschaft" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>maxplanckgesellschaft</span></a></span> research group “Continuous Gravitational Waves” and is a professor for Gravitational-wave Astronomy at <span class="h-card" translate="no"><a href="https://wisskomm.social/@unihannover" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>unihannover</span></a></span>.</p><p>Her research goal is to study gravitational waves from rapidly spinning neutron stars.</p><p>ℹ️ <a href="https://www.aei.mpg.de/305689/m-alessandra-papa" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/305689/m-alessandra</span><span class="invisible">-papa</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/Professor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Professor</span></a> <a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/NeutronStars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeutronStars</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Angela Borchers Pascual is a PhD student in the <span class="h-card" translate="no"><a href="https://wisskomm.social/@maxplanckgesellschaft" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>maxplanckgesellschaft</span></a></span> independent research group “Binary Merger Observations and Numerical Relativity”.</p><p>Her research is focused on black-hole binaries, where two black holes merge to form a remnant black hole. She is particularly interested in asymmetric systems, where the remnant black hole can gain a recoil or kick velocity, traveling away from the binary and sometimes even their host galaxies. This process is imprinted in the radiated gravitational-wave signal.</p><p>Her work is centred around the interpretation and modelling of these signatures, to better understand the sources of the signals observed in current and future gravitational-wave detectors.</p><p>ℹ️ <a href="https://www.aei.mpg.de/632031/angela-borchers-pascual" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/632031/angela-borch</span><span class="invisible">ers-pascual</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Dr. Anjana Ashok is a postdoc in the Pulsar Timing Array (PTA) group. She collaborates with the Continuous Gravitational Waves group and will soon start a postdoc position with the NANOGrav group at Oregon State University.</p><p>Her current research focuses on two key topics: (i) techniques to detect individual continuous-wave signals by leveraging the directionality encoded in the antenna patterns of the collection of pulsars. (ii) wavelet-based techniques to detect and analyse non-stationary features in the data, hints for which have been reported by one of the PTA collaborations.</p><p>ℹ️ <a href="https://www.aei.mpg.de/305161/anjana-ashok" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">aei.mpg.de/305161/anjana-ashok</span><span class="invisible"></span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/Postdoc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postdoc</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Pulsars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pulsars</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Frauke Modugno is a PhD student in the “Quantum Control” group, who works for <span class="h-card" translate="no"><a href="https://helmholtz.social/@DESY" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>DESY</span></a></span> as part of her work for the German Centre for Astrophysics (DZA).</p><p>Her area of research are surfaces and materials for specialized optics to improve detection sensitivity for applications in quantum metrology and gravitational-wave detection.</p><p>ℹ️ <a href="https://www.aei.mpg.de/1214294/frauke-modugno" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1214294/frauke-modu</span><span class="invisible">gno</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://astrodon.social/tags/QuantumOptics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>QuantumOptics</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Dr. Elisa Maggio is a Marie Curie Fellow at our institute in Potsdam with a research project titled “Testing the horizon of black holes with gravitational waves” (ThorGW).</p><p>Her research is focused on tests of gravity in the strong-field regime with gravitational-wave observations. She works on tests of the nature of the black holes by modeling the gravitational waveform emitted by compact binary coalescences.</p><p>ℹ️ <a href="https://www.aei.mpg.de/887823/elisa-maggio" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">aei.mpg.de/887823/elisa-maggio</span><span class="invisible"></span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/MarieCurieFellow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarieCurieFellow</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/Gravity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravity</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a> <a href="https://astrodon.social/tags/ThorGW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ThorGW</span></a></p>
MPI for Gravitational Physics<p>Elise Sänger, a PhD student in the “Astrophysical and Cosmological Relativity” department, works on testing general relativity by studying the gravitational waves emitted during the inspiral of binary black holes.</p><p>The shape of the emitted gravitational waves is predicted by general relativity, so she tries to search for differences between the shape of detected gravitational waves and the predictions. Her research focuses on finding deviations in the waveform during the inspiral phase, when the two black holes are orbiting each other before they merge.</p><p>ℹ️ <a href="https://www.aei.mpg.de/997819/elise-saenger" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/997819/elise-saenge</span><span class="invisible">r</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a></p>
MPI for Gravitational Physics<p>August Muller is a Fulbright research fellow in the “Astrophysical and Cosmological Relativity” department, working with Dr. Elisa Maggio.</p><p>She investigates how the upcoming <span class="h-card" translate="no"><a href="https://astrodon.social/@LISA" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LISA</span></a></span> gravitational-wave observatory can be used to test general relativity. LISA will see the first gravitational-wave signals from merging supermassive black holes, including the ringdown phase of the signal which is produced after the two black holes have already merged. Her research investigates how this ringdown signal may differ if the two black holes merge into an exotic object rather than a black hole in general relativity, in order to determine how well LISA will be able to distinguish these post-merger objects.</p><p>ℹ️ <a href="https://www.aei.mpg.de/1220257/august-muller" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1220257/august-mull</span><span class="invisible">er</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/Fulbright" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Fulbright</span></a> <a href="https://astrodon.social/tags/ResearchFellow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ResearchFellow</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/Gravity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravity</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a></p>
MPI for Gravitational Physics<p>There have been two more gravitational-wave candidates in the last 24 hours. Both came - if they are real - from mergers of black holes.</p><p>1️⃣ S250207bg (<a href="https://gracedb.ligo.org/superevents/S250207bg/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250207bg/view/</span></a>) is from a (luminosity) distance of around 1.8 billion light years. The signal seems to be very “loud” because the false-alarm rate is 1 in 6,000,000,000,000,000,000,000,000,000,000,000 years. 🤯</p><p>2️⃣ S250208ad (<a href="https://gracedb.ligo.org/superevents/S250208ad/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250208ad/view/</span></a>) is from a (luminosity) distance of around 11.3 billion light years.</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/S250207bg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250207bg</span></a> <a href="https://astrodon.social/tags/S250208ad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250208ad</span></a> <a href="https://astrodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a></p>
MPI for Gravitational Physics<p>Exciting new gravitational-wave candidate!</p><p>Last night, the two <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> detectors observed the signal candidate S250206dm. It comes either from the merger of a neutron star with a black hole or from the merger of two neutron stars – either way, it's exciting!</p><p>The (luminosity) distance is about 1.1 billion light-years and the position in the sky could be constrained to an area of about 910 square degrees.</p><p>The search for possible associated signals in the electromagnetic spectrum has begun. You can follow this in the associated GCN Circulars (see below).</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250206dm/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250206dm/view/</span></a> [GraceDB]</p><p>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250206dm" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gcn.nasa.gov/circulars?query=S</span><span class="invisible">250206dm</span></a> [associated GCN Circulars]</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/NeutronStar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeutronStar</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://astrodon.social/tags/S250206dm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250206dm</span></a></p>
MPI for Gravitational Physics<p>Yesterday, there was another new gravitational-wave candidate. If the signal called S250204ax is real, it most likely came from the merger of two black holes.</p><p>The (luminosity) distance is about 6.7 billion light-years.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250204ax/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250204ax/view/</span></a> [<span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> GraceDB]<br>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250204ax" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gcn.nasa.gov/circulars?query=S</span><span class="invisible">250204ax</span></a> [related GCN Circulars]</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a></p>
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