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Yao-Yuan Mao
@yymao.bsky.social
茅耀元. Astrophysicist at U of Utah studying dark matter & galaxies with astronomical surveys + simulations. Programmer. they/he. yymao.github.io 🏳️‍🌈 (views are mine)
81 followers41 following7 posts
YMyymao.bsky.social

It's very fitting that my first post here is about this important milestone for the SAGA Survey and for myself personally! The SAGA Survey characterizes satellite galaxy systems around Milky Way-mass galaxies, and we just posted our major results from our Data Release 3! Check arXiv & our website!

A screenshot of the homepage of SAGA Survey Data Release 3 website, with background filled with SAGA satellite images.
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BDbenedikt.bsky.social

The timing was amazing... half your figures just went onto my class slides for tomorrow :)

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YMyymao.bsky.social

Three SAGA Survey DR3 papers on arXiv: 3️⃣ 2404.14498 - survey overview & main results 4️⃣ 2404.14499 - satellites' star-forming properties 5️⃣ 2404.14500 - comparison with theoretical models We also made "e-posters" that summarize the major points! Find the links on our website.

A screenshot of the SAGA Survey website that highlights the three SAGA DR3 papers: PAPER III: 101 SATELLITE SYSTEMS. SAGA DR3 includes 378 satellites identified across 101 MW-mass systems. The number of confirmed satellites per system ranges from 0 to 13, in the stellar mass range 10^6−10 solar masses. PAPER IV: STAR-FORMING PROPERTIES. SAGA satellites that have lower masses or are closer to the host galaxy are more likely to be quenched. This data enable use to study the environmental processes that suppress or quench star formation. PAPER V: COMPARING WITH MODELS. Using SAGA DR3 data to constrain an updated version of the Universe Machine model, we can directly test whether environmental quenching can be modeled by halo assembly histories.
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YM
Yao-Yuan Mao
@yymao.bsky.social
茅耀元. Astrophysicist at U of Utah studying dark matter & galaxies with astronomical surveys + simulations. Programmer. they/he. yymao.github.io 🏳️‍🌈 (views are mine)
81 followers41 following7 posts
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