The Daily Brew
Selected astro-ph abstracts for Friday 2025 April 25
- Thermal Emission and Confirmation of the Frigid White Dwarf Exoplanet WD 1856+534b
Mary Anne Limbach, Andrew Vanderburg, Ryan J. MacDonald, Kevin B. Stevenson, Sydney Jenkins, Simon Blouin, Emily Rauscher, Rachel Bowens-Rubin, Elena Gallo, James Mang, et al. [14 co-authors]
[ arXiv:2504.16982 | PDF File ]
- Turbulence-dominated CGM: the origin of UV absorbers with equivalent widths of $\sim1$\AA
Aharon Kakoly, Jonathan Stern, Claude-Andr\'e Faucher-Gigu\`ere, Drummond B. Fielding, Roy Goldner, Guochao Sun, Cameron B. Hummels
[ arXiv:2504.17001 | PDF File ]
- The First Photometric Evidence of a Transient/Variable Source at z>5 with JWST
Christa DeCoursey, Eiichi Egami, Fengwu Sun, Arshia Akhtarkavan, Rachana Bhatawdekar, Andrew J. Bunker, David A. Coulter, Michael Engesser, Ori D. Fox, Sebastian Gomez, et al. [29 co-authors]
[ arXiv:2504.17007 | PDF File ]
- The Search for Stable Nickel: Investigating the Origins of Type Ia Supernovae with Late-time NIR Spectroscopy from the Carnegie Supernova Project-II
Sahana Kumar, Eric Y. Hsiao, Christopher Ashall, Peter Hoeflich, Eddie Baron, Mark M. Phillips, Maryam Modjaz, Abigail Polin, Nidia Morrell, Christopher R. Burns, et al. [22 co-authors]
[ arXiv:2504.17134 | PDF File ]
- Formation and Evolution Simulations of Saturn, Including Composition Gradients and Helium Immiscibility
Peter Bodenheimer, David J. Stevenson, Jack J. Lissauer, Gennaro D'Angelo
[ arXiv:2504.17227 | PDF File ]
- A New Age-Activity Relation For Solar Analogs that Accounts for Metallicity
Gabriela Carvalho-Silva, Jorge Mel\'endez, Anne Rathsam, J. Shejeelammal, Giulia Martos, Diego Lorenzo-Oliveira, Lorenzo Spina, D\'ebora Ribeiro Alves
[ arXiv:2504.17482 | PDF File ]
- EP250108a/SN 2025kg: A Broad-Line Type Ic Supernova Associated with a Fast X-ray Transient Showing Evidence of Extended CSM Interaction
Gokul P. Srinivasaragavan, Hamid Hamidani, Genevieve Schroeder, Nikhil Sarin, Anna Y. Q. Ho, Anthony L. Piro, S. Bradley Cenko, Shreya Anand, Jesper Sollerman, Daniel A. Perley, et al. [30 co-authors]
[ arXiv:2504.17516 | PDF File ]
- A negative stellar mass$-$gaseous metallicity gradient relation of dwarf galaxies modulated by stellar feedback
Tie Li, Hong-Xin Zhang, Wenhe Lyu, Yimeng Tang, Yao Yao, Enci Wang, Yu Rong, Guangwen Chen, Xu Kong, Fuyan Bian, et al. [18 co-authors]
[ arXiv:2504.17541 | PDF File ]
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