Samuel Brieden @Cosmosamu
Cosmologist trying to unravel the universe's secrets looking far outside our galaxy. Also happy to discover unique locations on mother earth. Piano lover. Joined October 2021-
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🚨 BIG NEWS ALERT! 🚨 We’re just 24 HOURS AWAY from a MAJOR DESI release! 🌉🔭 Tomorrow at 3 PM PT, DESI is unveiling DR1, our first official Data Release—the largest dataset of its kind, packed with information on 18.7 million galaxies, quasars, and stars! But that’s not all…
In its quest to make precision cosmological measurements, DESI uses a process called “blinding” in its analysis methodology in order to avoid the inaccuracies that can arise from confirmation bias.
🎉DESI released another set of papers based on Y1 data. These new results provide an extended, “full-shape” analysis of the Y1 data by looking at how galaxies and quasars cluster on different scales, both in the plane of the sky and along the line of sight in redshift space.
.@desisurvey scientists mapped how nearly 6 million galaxies cluster across 11 billion years of cosmic history. Their observations line up with what Einstein's theory of general relativity predicts. newscenter.lbl.gov/2024/11/19/new…
We are excited to present the new power spectrum Full-Shape results on DESI DR1 data @desisurvey. Check all the new papers at data.desi.lbl.gov/doc/papers/. A thread🧵👇
Is the way in which galaxies cluster consistent with our understanding of the standard model of gravity and the predictions from Einstein's theory of General Relativity? 🔭 ➡️edin.ac/4eDkNTw 📷DESI imaging the night sky Credit: KPNO/NOIRLab/NSF/AURA/T. Slovinský.
A new study from the @desisurvey is one of the most stringent tests yet of general relativity and how #gravity behaves at cosmic scales. Read the latest: newscenter.lbl.gov/2024/11/19/new…
Paper day📢. Sergi Novell-Masot has demonstrated how the catalogue-level blinding technique used for @desisurvey also works for higher-order statistics📐, showing how this technique consistently blinds all summary statistics of interest coherently. arxiv.org/abs/2407.12931
@desisurvey postdoc and Outreach Committee Co-Chair Sam Brieden (@Cosmosamu) was awarded 'Best Thesis' @SEA_astronomia. Sam gave a wonderful introductory talk about his work with @desisurvey at the #RCSEA2024: 📷: Héctor Gil Marín @cosmonautic0
@upvehu @SEA_astronomia 🏆 Premio SEA Tesis 2023 (ex-aequo) Samuel Brieden, por la tesis “From the Precision Era, towards the Accuracy Era of Cosmology with DESI’, realizada en la Universitat de Barcelona (@UniBarcelona) @SEA_astronomia #RCSEA2024
Felicidades a todos por vuestros premios SEA Tesis 👏👏 @SEA_astronomia #RCSEA2024
I was honoured with the opportunity to present my PhD work at the SEA meeting in Granada today!
I was honoured with the opportunity to present my PhD work at the SEA meeting in Granada today!
Paper day! Again! 🎉 Yesterday we released a batch of supporting papers in prep (analysis applied to simulations only) for the full-shape analysis yet to come, and also presenting and validating our blinding scheme. Find the papers and explanations at desi.lbl.gov/2024/04/12/des…. 1/2
Breaking news!🎉 Today we announce the most precise measurements of our expanding Universe using the BAO signal in 6.1 Million galaxies and quasars from Year 1, tracing dark energy through cosmic time. See @BerkeleyLab PR at newscenter.lbl.gov/2024/04/04/des… 1/10 📸 Credit: @ClaireLamman
This is just amazing!
Yay, I can share this now!! After seeing my paper doodles, an editor reached out to me about creating something for Physics Today. Presenting: a cartoon summary of one of the most impactful papers in modern cosmology!
Yay, I can share this now!! After seeing my paper doodles, an editor reached out to me about creating something for Physics Today. Presenting: a cartoon summary of one of the most impactful papers in modern cosmology!
📣 PhD position at the ICC University of Barcelona! We are looking for excellent and motivated candidates who are willing to work with @desisurvey to unviel the misteries of dark energy! 📍Deadline is the 10th of January. 📍Tempative starting date March 2024.
📣 PhD position at the ICC University of Barcelona! We are looking for excellent and motivated candidates who are willing to work with @desisurvey to unviel the misteries of dark energy! 📍Deadline is the 10th of January. 📍Tempative starting date March 2024.
🔭🎥 The Spanish version of our planetarium movie "5000 Eyes" is now available on YouTube! Don't miss this unique experience that takes you deep into the cosmos. 🚀🌠 🔗 ¡Mira el video ahora! youtu.be/5HBQyRaUfWc?si… @BerkeleyLab #Fiske #DESI5000 #Astronomía
Meanwhile at L2... 🤯 👏 @ESA_Euclid, our #DarkUniverse detective, has ‘arrived’ at its destination orbit! 🚀It travelled 1.5 million km from Earth towards the Sun-Earth Lagrange point L2 since its launch on 1 July! 🔗esa.int/ESA_Multimedia… youtu.be/ZXvHKuv0WEQ
🏆#ICCUB former PhD Samuel Brieden has received one of the @SEA_astronomia Thesis Awards 2023 in #astronomy and #astrophysics for his doctoral thesis “From the Precision Era towards the Accuracy Era of Cosmology with DESI” Congratulations to all!☺️ 🔗icc.ub.edu/news/samuel-br…
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