News and milestones
Recent papers, talks, awards, group events, and moments worth celebrating.
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Earl Bellinger meeting Andrea Ghez, winner of the 2020 Nobel Prize in Physics, while giving the astronomy colloquium at UCLA!
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Ebraheem Farag, Selim Kalici and Earl Bellinger travelled to Bern, Switzerland to give invited talks and collaborate with the International Space Science Institute EXPANDING team!
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AAS Nova featured Andy Santarelli’s work on quasi-stars and little red dots in “Starring in the Early Universe: Black Hole Stars and Little Red Dots”, highlighting how late-stage quasi-stars may explain JWST observations of little red dots and the origins of early supermassive black holes. Congratulations Andy!
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Eb Farag’s paper, “Self-Consistent Nonlinear Classical Cepheid Pulsations During Stellar Evolution with MESA”, has been accepted for publication into The Astrophysical Journal. Congratulations Eb!
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Thanks to funding from the DOE, we are excited to host the Yale/CeNAM Nuclear Asteroseismology Workshop at Yale University from July 20-24, 2026!
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Thiago Ferreira’s paper, “Red-Giant Asteroseismology of Low-Mass Population III Stars”, has been accepted for publication into The Astrophysical Journal. Congratulations Thiago!
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Earl Bellinger meeting five-time Grammy award winning bass player Victor Wooten during his address at the celebration of the 92nd anniversary of Berkeley College!
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Led by Thiago Ferreira, we (Nicholas Saunders, Ebraheem Farag, and Earl Bellinger) spent all night observing with the Keck telescope in search of the first stars!
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Thiago Ferreira’s paper, “Evolution of Low-Mass Population III Stars: Convection, Mass Loss, Nucleosynthesis, and Neutrinos”, has been accepted for publication into The Astrophysical Journal. Congratulations Thiago!
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Andy Santarelli’s paper, “MESA-QUEST: Tracing the Formation of Direct Collapse Black Hole Seeds via Quasi-stars”, has been accepted for publication into The Astrophysical Journal. Congratulations Andy!
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Andy Santarelli’s paper, “Evolutionary Tracks and Spectral Properties of Quasi-stars and Their Correlation with Little Red Dots”, has been accepted for publication into The Astrophysical Journal Letters. Congratulations Andy!
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Some of the YAML group at the Astronomy Department Holiday Party!
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Earl Bellinger meeting Kip Thorne, winner of the 2017 Nobel Prize in Physics!
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Andy Santarelli and Earl Bellinger grabbing a selfie with Jim Peebles, Nobel Prize in Physics 2019!
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Pratik Gandhi giving an invited talk at the Gruber Cosmology Conference hosted at Yale University!
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Andy Santarelli and Earl Bellinger giving invited talks at Black Holes & Cosmology 2025 in Reykjavík, Iceland!
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4 scientific generations of PhD supervisors in just one single MESA summer school! Conny Aerts → Saskia Hekker → Earl Bellinger → Selim Kalici & Thiago Ferreira
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Ebraheem Farag, Selim Kalici, and Thiago Ferreira presenting their research for the Theory and Observation of Stars group at the Heidelberg Institute for Theoretical Studies (HITS)!
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Lynn Buchele won the Best Talk Prize at the TASC9/KASC16 Workshop at ISTA! Congratulations Lynn!
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Thiago Ferreira dos Santos presented his poster on searching for Population III stars using asteroseismology at the TASC9/KASC16 Workshop at ISTA!
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Selim Kalici presented his poster on emulating and fitting hydrodynamical simulations to observations of RR Lyrae stars at the TASC9/KASC16 Workshop at ISTA!
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Lynn Buchele’s paper, “Linearity of Structure Kernels in Main-sequence and Subgiant Solar-like Oscillators”, has been accepted for publication into The Astrophysical Journal. Congratulations Lynn!
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Lynn Buchele presented their work on inferring the internal structures of subgiant stars from pulsation data at the TASC9/KASC16 Workshop at ISTA!
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The YAML group has been awarded the 2025 Yale AI Seed Grant!
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Maria Korolik has been awarded our department’s Beckwith Prize for being the undergraduate student who is “most proficient in some branch of astronomy or mathematics” in connection with her undergraduate thesis, “What Will Gravity Modes Teach Us: Probing Convective Core Boundary Mixing in RR Lyrae.” Maria will continue her studies at KU Leuven. Congratulations Maria!
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KJ McConnell, Maria Korolik, and Julia Levy have all successfully defended their undergraduate theses and graduated with Bachelor’s degrees from Yale! Congratulations to all!
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Lynn Buchele’s paper, “Asteroseismic Structure Inversions of Main-Sequence Solar-like Oscillators with Convective Cores”, has been accepted for publication into The Astrophysical Journal. Congratulations Lynn!
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Earl Bellinger’s paper, “The Sun’s Dark Core: Helioseismic and neutrino flux constraints on a compact solar center”, has been accepted for publication into The Astrophysical Journal.
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Naomi Gluck has been awarded the 2025 D. Allan Bromley Fellowship! Congratulations Naomi!
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Kyra Bettwy has been awarded the 2025 Rosenfeld Science Scholar Fellowship! Congratulations Kyra!
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YAML Bowling!
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A group photo of YAML at the end of the Fall 2024 semester!
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Andrés presented his poster on the asteroseismology of unresolved stellar clusters at the TESS Science Conference III at MIT!
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Here is the first group photo of YAML, standing out front of our Kline Tower headquarters on a beautiful Spring day!
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KJ McConnell has been awarded the 2024 Dean’s Fellowship! Congraulations KJ!
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Andrés Luengo has been awarded the 2024 First Year Summer Research Fellowship! Congraulations Andrés!