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#paperday

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franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> Want to start the week with a fresh paper which clearly thinks outside of the box? 😅 </p><p>Here you go </p><p><a href="https://arxiv.org/abs/2504.08461" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2504.08461</span><span class="invisible"></span></a></p><p>"Astrophysical constraints on the simulation hypothesis for this Universe: why it is (nearly) impossible that we live in a simulation"</p><p>Will do a paper explainer in the near future...</p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://mastodon.social/tags/SimulatedUniverses" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SimulatedUniverses</span></a> <a href="https://mastodon.social/tags/SimulationHypothesis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SimulationHypothesis</span></a></p>
franco_vazza<p>Continuing from here<br><a href="https://mastodon.social/@franco_vazza/113027548803257038" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.social/@franco_vazza/</span><span class="invisible">113027548803257038</span></a></p><p>I want to advertise new <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> paper that younger collaborators had published - almost full vacation here in august so I could not before.</p><p>"Cosmological simulations of the generation of cluster-scale radio emission from turbulent re-acceleration" by Luca Beduzzi, myself et al. <br><a href="https://arxiv.org/abs/2406.09859" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2406.09859</span><span class="invisible"></span></a></p><p>now accepted and in press by @aanda@social.oalm.gub.uy </p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> with a new excellent work by Kamlesh Rajpurohit (<span class="h-card" translate="no"><a href="https://mastodon.social/@kamlesh_laxmi" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>kamlesh_laxmi</span></a></span> here) on a deep radio and X-ray dive into the mysteries of the NGC 741 Galaxy Group, including LOFAR, JVLA, MEERKAT and uGMRT telescopes and <span class="h-card" translate="no"><a href="https://astrodon.social/@ChandraScience" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ChandraScience</span></a></span> :</p><p><a href="https://arxiv.org/abs/2408.15197" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2408.15197</span><span class="invisible"></span></a> (submitted)</p><p>This system is a case study for the many interactions between plasma tails from galaxies and the intracluster medium</p><p><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a></p>
Dr. John Barentine FRAS<p>(I forgot to mention like a week ago that it was) <a href="https://astrodon.social/tags/PaperDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PaperDay</span></a>! <br>Here our group shows the 1st successful theoretical model that predicts the degree &amp; angle of linear <a href="https://astrodon.social/tags/polarization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>polarization</span></a> of scattered night-sky <a href="https://astrodon.social/tags/light" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>light</span></a> accounting for ground light sources. A 🧵 (1/14)</p><p><a href="https://academic.oup.com/mnrasl/article/532/1/L70/7682394" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">academic.oup.com/mnrasl/articl</span><span class="invisible">e/532/1/L70/7682394</span></a> </p><p><a href="https://astrodon.social/tags/LightPollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LightPollution</span></a> <a href="https://astrodon.social/tags/DarkSkies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkSkies</span></a> <a href="https://astrodon.social/tags/NightSky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NightSky</span></a> <a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> <br>This small observational/theoretical review about the seeding of cosmic ray electrons by cluster radio galaxies by myself and Andrea Botteon just got accepted</p><p><a href="https://arxiv.org/abs/2403.16068" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2403.16068</span><span class="invisible"></span></a></p><p>I described it briefly in this past thread:<br><a href="https://mastodon.social/@franco_vazza/112161669691183289" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.social/@franco_vazza/</span><span class="invisible">112161669691183289</span></a></p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> </p><p>I think it's a good one overall, and helpful "to the community".<br>It only has the big fault of being published by MDPI Galaxies, what do you think?</p><p>Opinion poll below:⬇️</p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> : A review article I just produced with Andrea Botteon (IRA/INAF) in today <a href="https://mastodon.social/tags/astroph" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astroph</span></a>:</p><p>"The seeding of cosmic ray electrons by cluster radio galaxies: a review"</p><p><a href="https://arxiv.org/abs/2403.16068" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2403.16068</span><span class="invisible"></span></a></p><p>which follows a conference of last year in Tropea, which I have extensively covered with past threads<br>(e.g. <br><a href="https://mastodon.social/@franco_vazza/111068472974045652" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.social/@franco_vazza/</span><span class="invisible">111068472974045652</span></a>)</p><p>Worth of a small new <a href="https://mastodon.social/tags/AstrophysicsFactlet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AstrophysicsFactlet</span></a> about the impact of Radio Galaxies in the emergence of the most gigantic radio emissions in the sky.</p><p><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> <br>CHEX-MATE : <a href="https://mastodon.social/tags/turbulence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>turbulence</span></a> in the intracluster medium from X-ray surface brightness<br>fluctuations by S. Dupourque et al. (including myself).</p><p><a href="https://arxiv.org/abs/2403.03064" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2403.03064</span><span class="invisible"></span></a><br>(accepted, in press) </p><p>A thorough analysis of X-ray fluctuations in the CHEX-MATE sample of 64 clusters observed with XMM-Newton, as a proxy for the gas velocity fluctuations due to turbulence. </p><p>Worth of a small <a href="https://mastodon.social/tags/AstrophysicsFactlet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AstrophysicsFactlet</span></a> </p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> <br>"Resistively controlled primordial magnetic turbulence decay" <br><a href="https://arxiv.org/abs/2401.08569" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2401.08569</span><span class="invisible"></span></a><br>by A. Brandenburg, A. Neronov and myself.<br>As in the good tradition of multiple author papers, in this one the first author has done 99% of the work, so kudos to him!</p><p><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> on <a href="https://mastodon.social/tags/astroph" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astroph</span></a> </p><p>“Efficiency of turbulent reacceleration by solenoidal turbulence and its application to the origin of<br>radio mega halos in cluster outskirts” by K. Nishiwaki, Brunetti, Vazza &amp; Gheller.</p><p><a href="https://arxiv.org/abs/2312.01120" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2312.01120</span><span class="invisible"></span></a></p><p>It is a new sophisticated exploration of the evolution of relativistic electrons in the vast volume of galaxy clusters, and it uses a cosmological MHD simulations to make a sense of recent fascinating radio observations. </p><p><a href="https://mastodon.social/tags/astrononomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrononomy</span></a> <span class="h-card" translate="no"><a href="https://a.gup.pe/u/astrophysics" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>astrophysics</span></a></span> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
franco_vazza<p>New <a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a>, for a work on <a href="https://mastodon.social/tags/astroph" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astroph</span></a> , led by T. Tymchyshyn and M. Tsizh (both working in 🇺🇦 💪) and me and M. Baldi:</p><p><a href="https://arxiv.org/abs" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs</span><span class="invisible"></span></a> /2311.10029 </p><p>"On the evolution of Betti curves in the Cosmic web"</p><p>it uses topological analysis of the cosmic web (identified through the location of all halos in simulation) to show that there is a new very stable "invariant", captured by the "Betti curve", which is preserved for all z&lt;2 evolution and can be used for <a href="https://mastodon.social/tags/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</span></a>! </p><p><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
Daniel Pomarède<p><a href="https://mastodon.social/tags/PaperDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PaperDay</span></a> </p><p>The large scale velocity field from the Cosmicflows-4 data</p><p><a href="https://arxiv.org/abs/2311.01340" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2311.01340</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</span></a> <a href="https://mastodon.social/tags/cosmography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmography</span></a> <a href="https://mastodon.social/tags/cosmicflows" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmicflows</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/arxiv" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>arxiv</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> <a href="https://mastodon.social/tags/publication" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>publication</span></a> <a href="https://mastodon.social/tags/mnras" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mnras</span></a></p>
franco_vazza<p><a href="https://mastodon.social/tags/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</span></a> </p><p>“A multishock scenario for the formation of radio relics”</p><p>by D. Smolinksi, D. Wittor, M. Bruggen of <span class="h-card" translate="no"><a href="https://mastodon.social/@HambObs" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>HambObs</span></a></span> and myself.<br>in press on MNRAS</p><p><a href="https://arxiv.org/abs/2310.04504" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2310.04504</span><span class="invisible"></span></a></p><p>in this work, we explored the importance of the multiple re-acceleration by shocks in the intracluster medium, as a general mechanism to explain why many clusters of galaxies light up with radio emission in spite of the fact that the shocks <br>they contain are weak. </p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/simulation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>simulation</span></a></p>
Claire Lamman<p>The cosmic web leaves a mark on visible matter through subtle correlations involving galaxy shapes. How do we quantify these "Intrinsic Alignments"?<br>For the long answer, see “The IA Guide”, now on arXiv! For the short answer, keep reading. <br>arxiv.org/abs/2309.08605</p><p><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/paperday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperday</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/arxiv" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>arxiv</span></a> <a href="https://astrodon.social/tags/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</span></a></p>
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