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I am thrilled to have my first PI proposal accepted for #JWST Cycle 1! All made possible by the hard work of the COSMOS Survey team over the past 3 years building up the 2020 galaxy catalog. Looking forward to exploring the first galaxies with IFU spectroscopy! DAWN - The Cosmic Dawn Center

JWST Cycle 1 results are out today! JWST will spend 207 prime hours (the largest allocation approved!) observing the COSMOS-Webb program (PIs Jeyhan and @astrocaits). We can't wait for all of the amazing discoveries!

Excited to talk about my latest work on the COSMOS2020 Galaxy Catalog later today “at” Caltech Caltech IPAC COSMOS Survey Info here: tinyurl.com/6j5wt5jc

Excited to talk about “Beasts in the Bubbles” - ultra-luminous galaxies at cosmic dawn - at the #SAZERAC2 meeting in ~40mins. You can tune in live here: youtube.com/watch?v=vffj4W…

Opening day of #NAM2021! Looking forward to seeing familiar faces, and meeting new ones. I’ll be discussing the latest results from the #COSMOS survey during the FLARE I Session later today. COSMOS Survey DAWN - The Cosmic Dawn Center

#cosmos2020 is live! I am thrilled to finally have this enormous galaxy catalog accepted to ApJS and posted to arXiv today! arxiv.org/abs/2110.13928 Catalogs are now public: cosmos2020.calet.org COSMOS Survey DAWN - The Cosmic Dawn Center

At long last, #cosmos2020 has been officially published! Read about it here: iopscience.iop.org/article/10.384… Now we’re gearing up to observe them with NASA Webb Telescope! COSMOS Survey DAWN - The Cosmic Dawn Center Danmarks Grundforskningsfond

How do supermassive black holes interact with their accretion discs? Long-term variability can teach us a lot. Find out the unexpected physics we may have uncovered: arxiv.org/abs/2201.11134 DAWN - The Cosmic Dawn Center @PhysAstroStAnd Danmarks Grundforskningsfond Credit: NOIRLab/NSF/AURA/J. da Silva

#JWST is looking awesome

In MNRAS and open access: "Dust and the intrinsic spectral index of quasar variations: hints of finite stress at the innermost stable circular orbit", Weaver & Horne. This is Fig. 12: for the caption and to read the paper visit academic.oup.com/mnras/article/…

John R. Weaver kicking off our science talks for #COSMOS2022Paris at the IAP in Paris! Before that we had some updates on the COSMOS2020 data.

Let's just see what JWST observed yesterday... Oh, good god.

Gorgeous #JWST spectrum of a z=9.76 galaxy from Guido Roberts-Borsani and team on the arXiv tonight!!! A vivid demonstration of how easily JW can confirm/refute the similarly luminous/more luminous Universe-breaking candidates at even higher redshifts!

Euclid celebrates first science with sparkling cosmic views! 🤩 From faint to bright, from distant to nearby, from the most massive of galaxy clusters to small planets, these images demonstrate ESA's Euclid mission 's ability to unravel the secrets of the cosmos. Access them here👉

The first scientific studies from ESA's Euclid mission have just been released, and many years of Danish involvement is paying off. One study, led by John R. Weaver, explores invisible galaxies. 🇬🇧 cosmicdawn.dk/news/first-res… 🇩🇰 cosmicdawn.dk/news-in-danish… Danmarks Grundforskningsfond Carlsbergfondet

🌌 Have you noticed some galaxies that don't have visible signals but shine in near-infrared? Let's explore ERO science and search for high-redshift galaxies using Euclid! 🛰️