dmv.community is one of the many independent Mastodon servers you can use to participate in the fediverse.
A small regional Mastodon instance for those in the DC, Maryland, and Virginia areas. Local news, commentary, and conversation.

Administered by:

Server stats:

169
active users

#hooleilana

0 posts0 participants0 posts today
Daniel Pomarède<p>look at this crazy metrics!</p><p>How amazing is that: Ho'oleilana ApJ paper has been downloaded 60000 times. Still ranking among the most read papers of this journal, and <a href="https://mastodon.social/tags/openaccess" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>openaccess</span></a> </p><p><a href="https://doi.org/10.3847/1538-4357/aceaf3" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.3847/1538-4357/acea</span><span class="invisible">f3</span></a> </p><p><a href="https://mastodon.social/tags/Hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hooleilana</span></a> <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/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/BAO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BAO</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/STEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>STEM</span></a> <a href="https://mastodon.social/tags/journal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>journal</span></a> <a href="https://mastodon.social/tags/metrics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>metrics</span></a></p>
Daniel Pomarède<p>my favorite things</p><p>Mars, Encelade, the early universe (for a 10-pages zoom paper by yours truly on baryon acoustic oscillations, following the discovery of Ho'oleilana) are on the cover of the latest issue of l'Astronomie Magazine</p><p><a href="https://mastodon.social/tags/Mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mars</span></a> <a href="https://mastodon.social/tags/Enceladus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Enceladus</span></a> <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/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/Astronomie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomie</span></a> <a href="https://mastodon.social/tags/Astrophysique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrophysique</span></a> <a href="https://mastodon.social/tags/Cosmologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cosmologie</span></a> <a href="https://mastodon.social/tags/magazine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>magazine</span></a> <a href="https://mastodon.social/tags/AstronomieMagazine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AstronomieMagazine</span></a> <a href="https://mastodon.social/tags/BAO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BAO</span></a> <a href="https://mastodon.social/tags/BaryonAcousticOscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BaryonAcousticOscillations</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/STEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>STEM</span></a> <a href="https://mastodon.social/tags/Hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hooleilana</span></a> <a href="https://mastodon.social/tags/galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galaxies</span></a> <a href="https://mastodon.social/tags/scicomm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scicomm</span></a> <a href="https://mastodon.social/tags/cover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cover</span></a> <a href="https://mastodon.social/tags/covers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>covers</span></a> <a href="https://mastodon.social/tags/news" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>news</span></a></p>
Daniel Pomarède<p>how it started, how it's going</p><p>These are the 1st and latest covers of l'Astronomie, the venerable magazine established by Camille Flammarion in 1882. I'm honored to be the author of the feature article of this new issue, on Baryon Acoustic Oscillations.</p><p><a href="https://lastronomie.fr/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lastronomie.fr/</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/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/Astronomie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomie</span></a> <a href="https://mastodon.social/tags/Astrophysique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrophysique</span></a> <a href="https://mastodon.social/tags/Cosmologie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cosmologie</span></a> <a href="https://mastodon.social/tags/magazine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>magazine</span></a> <a href="https://mastodon.social/tags/AstronomieMagazine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AstronomieMagazine</span></a> <a href="https://mastodon.social/tags/CamilleFlammarion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CamilleFlammarion</span></a> <a href="https://mastodon.social/tags/BAO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BAO</span></a> <a href="https://mastodon.social/tags/BaryonAcousticOscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BaryonAcousticOscillations</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/STEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>STEM</span></a> <a href="https://mastodon.social/tags/Hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hooleilana</span></a> <a href="https://mastodon.social/tags/galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galaxies</span></a> <a href="https://mastodon.social/tags/scicomm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scicomm</span></a> <a href="https://mastodon.social/tags/cover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cover</span></a> <a href="https://mastodon.social/tags/covers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>covers</span></a></p>
Daniel Pomarède<p>On France Culture today: The Hubble Tension</p><p>... in an interview by the excellent Celine Loozen I talk about our Cosmicflows-4 measurement of the Hubble Constant, as well as the value inferred from Ho'oleilana, that are both exacerbating the tension.</p><p>▶ at t=33:30 <a href="https://www.radiofrance.fr/franceculture/podcasts/la-science-cqfd/constante-de-hubble-la-tension-monte-7710009" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">radiofrance.fr/franceculture/p</span><span class="invisible">odcasts/la-science-cqfd/constante-de-hubble-la-tension-monte-7710009</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/Hubble" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hubble</span></a> <a href="https://mastodon.social/tags/HubbleConstant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HubbleConstant</span></a> <a href="https://mastodon.social/tags/HubbleTension" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HubbleTension</span></a> <a href="https://mastodon.social/tags/Hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hooleilana</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/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a></p>
Daniel Pomarède<p>Last but not least, a new measurement of the Hubble Constant is obtained by analyzing the geometrical properties of Ho'oleilana: 76.9 (+8.2)(-4.8) km/s /Mpc</p><p>This value is consistent with other direct local probes, and further exacerbates the "Hubble tension" in the ΛCDM model.</p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a> <a href="https://mastodon.social/tags/hubble" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hubble</span></a> <a href="https://mastodon.social/tags/hubbleconstant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hubbleconstant</span></a></p>
Daniel Pomarède<p>A major aspect of the study presented in this paper is the analysis conducted by Cullan Howlett to understand the significance of this discovery against a physical BAO model, using in particular mock galaxy catalogs with and without BAO features.</p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a></p>
Daniel Pomarède<p>A video visualization of the cosmography of Ho'oleilana is part of the paper. Major components in proximity to the shell are highlighted and identified by name. The historic Boötes Void lies interior to the shell structure.</p><p><a href="https://vimeo.com/814958164" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">vimeo.com/814958164</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a> <a href="https://mastodon.social/tags/video" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>video</span></a> <a href="https://mastodon.social/tags/visualization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>visualization</span></a> <a href="https://mastodon.social/tags/vimeo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vimeo</span></a></p>
Daniel Pomarède<p>The cosmography of Ho'oleilana is pretty amazing: its shell includes some of the largest known structures of the universe: the Sloan Great Wall, CfA Great Wall, Hercules Supercluster, Corona-Borealis Supercluster... At its core is the Boötes Supercluster.</p><p><a href="https://skfb.ly/oKRIN" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">skfb.ly/oKRIN</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a> <a href="https://mastodon.social/tags/sketchfab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sketchfab</span></a> <a href="https://mastodon.social/tags/visualization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>visualization</span></a></p>
Daniel Pomarède<p>Ho'oleilana was found unexpectedly in the distribution of galaxies of the Cosmicflows-4 Catalog, within its SDSS PV "Peculiar Velocities" subsample of early-type galaxies, derived from fundamental plane measurements.</p><p>Interactive visualization:<br><a href="https://irfu.cea.fr/Projets/COAST/Ho'oleilana.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">irfu.cea.fr/Projets/COAST/Ho'o</span><span class="invisible">leilana.html</span></a></p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a></p>
Daniel Pomarède<p>By contrast, the discovery of Ho'oleilana represents the 1st direct evidence of a BAO, as an individual entity and a new confirmation of the standard model of cosmology.</p><p>A discovery made 53 years after the prediction - that's more time elapsed than for e.g. Higgs and his boson!</p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a></p>
Daniel Pomarède<p>Acoustic waves generated in the hot plasma of the early universe became imprinted in baryon fluctuations. The prediction was made in 1970 by Jim Peebles and others. Indirect evidence of the BAO phenomenom came in 2005 by observing a peak in the pair-wise separations of galaxies.</p><p><a href="https://mastodon.social/tags/ho" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ho</span></a>'oleilana <a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a></p>
Daniel Pomarède<p>Discovery alert!</p><p>A spherical shell-like structure 1 billion light-years in diameter named Ho’oleilana is discovered in the distribution of relatively nearby galaxies. We posit this is the 1st observation of an individual Baryon Acoustic Oscillation (BAO).</p><p><a href="https://doi.org/10.3847/1538-4357/aceaf3" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.3847/1538-4357/acea</span><span class="invisible">f3</span></a></p><p><a href="https://mastodon.social/tags/hooleilana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hooleilana</span></a> <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/bao" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bao</span></a> <a href="https://mastodon.social/tags/baryon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>baryon</span></a> <a href="https://mastodon.social/tags/acoustic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acoustic</span></a> <a href="https://mastodon.social/tags/oscillations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscillations</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/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</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/discovery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discovery</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/map" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>map</span></a> <a href="https://mastodon.social/tags/maps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maps</span></a> <a href="https://mastodon.social/tags/superclusters" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>superclusters</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/theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>theory</span></a> <a href="https://mastodon.social/tags/bigbang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bigbang</span></a> <a href="https://mastodon.social/tags/lcdm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lcdm</span></a></p>