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#s250331o

3 posts2 participants0 posts today
Dr Christopher Berry<p>Start the week with <a href="https://mastodon.online/tags/GravitationalWave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWave</span></a> candidate <a href="https://mastodon.online/tags/S250331o" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250331o</span></a></p><p>If real, the source is probably a binary black hole</p><p>False alarm rate 1 in 100 yr<br>GraceDB <a href="https://gracedb.ligo.org/superevents/S250331o" 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">250331o</span></a><br>GCN <a href="https://gcn.nasa.gov/circulars/39953" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">gcn.nasa.gov/circulars/39953</span><span class="invisible"></span></a><br>Rating 🐓 ☕ 🌷 </p><p><a href="https://mastodon.online/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://mastodon.online/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a></p>
MPI for Gravitational Physics<p>🚨 A nightly gravitational-wave candidate to start the week&nbsp;✨</p><p>This morning at 1:35&nbsp;UTC, 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, together with Virgo, observed a possible new gravitational-wave signal.</p><p>If it is real, it came from the merger of two black holes. The luminosity distance is comparatively low at “just” 1.9&nbsp;billion light-years.</p><p>The sky position could be determined – quite accurately – to about 27&nbsp;square degrees (equivalen to 130&nbsp;times the area of the full moon in the sky).</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250331o/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">250331o/view/</span></a> [GraceDB]<br>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250331o" 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">250331o</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/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/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/S250331o" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250331o</span></a></p>
MPI for Gravitational Physics<p>🚨 Nächtlicher Gravitationswellen-Kandidat zum Wochenstart&nbsp;✨</p><p>Heute früh um 1:35&nbsp;UTC spürten beide Detektoren von <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> zusammen mit Virgo ein mögliches Gravitationswellen-Signal auf.</p><p>Wenn es es echt ist, stammt es von der Verschmelzung zweier Schwarzer Löcher. Die Leuchtkraft-Entfernung ist mit „nur“ rund 1,9&nbsp;Milliarden Lichtjahren vergleichsweise gering.</p><p>Die Himmelsposition ließ sich auf ca. 27&nbsp;Quadratgrad (130-mal die Fläche des Vollmonds am Himmel) – und damit recht genau – bestimmen.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250331o/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">250331o/view/</span></a> [GraceDB]<br>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250331o" 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">250331o</span></a> [zugehörige GCN Circulars]</p><p><a href="https://astrodon.social/tags/Gravitationswellen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravitationswellen</span></a> <a href="https://astrodon.social/tags/Astronomie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomie</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/SchwarzeL%C3%B6cher" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SchwarzeLöcher</span></a> <a href="https://astrodon.social/tags/S250331o" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250331o</span></a></p>
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