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#gw230529

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MPI for Gravitational Physics<p>When a neutron star meets an unusual black hole: Shortly after the start of the fourth observing run, the <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>/Virgo/KAGRA collaborations detected a remarkable gravitational-wave signal.</p><p>Our press release from Friday evening (local time) on the first publication from the fourth observing run of the international gravitational-wave detector network.</p><p>ℹ️ <a href="https://www.aei.mpg.de/1138125/mysterious-object-in-the-gap" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1138125/mysterious-</span><span class="invisible">object-in-the-gap</span></a></p><p><a href="https://social.mpdl.mpg.de/tags/ICYMI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ICYMI</span></a> <a href="https://social.mpdl.mpg.de/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://social.mpdl.mpg.de/tags/GW230529" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GW230529</span></a> <a href="https://social.mpdl.mpg.de/tags/O4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4</span></a></p>
MPI for Gravitational Physics<p>🎞️ Aaand action! 🎞️</p><p>This visualisation shows the merger of a mass-gap black hole (dark grey) with a neutron star (orange) similar to GW230529 observed by <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>. The colours show the neutron stars' increasing density from dark orange to white. The emitted gravitational waves are shown in light blue.</p><p>Animation: I. Markin, T. Dietrich, H. Pfeiffer, A. Buonanno / <span class="h-card" translate="no"><a href="https://wisskomm.social/@unipotsdam" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>unipotsdam</span></a></span> / <span class="h-card" translate="no"><a href="https://social.mpdl.mpg.de/@mpi_grav" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mpi_grav</span></a></span></p><p><a href="https://social.mpdl.mpg.de/tags/GW230529" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GW230529</span></a> <a href="https://social.mpdl.mpg.de/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a></p>
MPI for Gravitational Physics<p>🚨 Mysterious object in the gap – Shortly after the start of the fourth observing run, the @LIGO@astrodon.social-Virgo-KAGRA collaborations detected a remarkable gravitational-wave signal. 😲</p><p>It's from the merger of a neutron star with an unknown compact object, most likely an unusually light-weight black hole falling into the “lower mass gap” between the heaviest neutron stars and the lightest black holes. </p><p>ℹ️ <a href="https://www.aei.mpg.de/1138125/mysterious-object-in-the-gap" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1138125/mysterious-</span><span class="invisible">object-in-the-gap</span></a></p><p><a href="https://social.mpdl.mpg.de/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://social.mpdl.mpg.de/tags/GW230529" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GW230529</span></a> <a href="https://social.mpdl.mpg.de/tags/O4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4</span></a></p>
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