The Daily Brew
Selected astro-ph abstracts for Friday 2026 August 21
- The Challenge of Observing Patchy Reionization with CMB Optical-Depth Fluctuations
Nick Takoudes, Hanjue Zhu, Nickolay Y. Gnedin
[ arXiv:2608.19307 | PDF File ]
- Low Ly$\alpha$ Visibility in Galaxy Overdensities: Reionization Topology and Neutral-Fraction Ceilings from DIVER over $4.8
Yongda Zhu, Xiaohui Fan, Laura C. Keating, George D. Becker, Eiichi Egami, Xiaojing Lin, Fengwu Sun, Christopher Cain, Marcia J. Rieke, Andrew J. Bunker, et al. [21 co-authors]
[ arXiv:2608.19311 | PDF File ]
- Detectable subhalo impacts in Milky Way streams
Junyang Lu, Elias Bernreuther, Tongyan Lin, Vincent S. H. Lee, Ana Bonaca, Ethan O. Nadler
[ arXiv:2608.19321 | PDF File ]
- Serendipitous discovery of an almost-dark galaxy in the Virgo Cluster
Minh Ngoc Le, Ignacio Trujillo, Sergio Guerra Arencibia, Ignacio Ruiz Cejudo, Junais, Mireia Montes, Johan H. Knapen, \v{Z}eljko Ivezi\'c, Michael H. F. Wilkinson, Reynier Peletier, et al. [11 co-authors]
[ arXiv:2608.19326 | PDF File ]
- Re-evaluating the resolved mass-metallicity relation with a self-consistent metallicity calibration
Ziming Peng, Renbin Yan, Zesen Lin, Xihan Ji
[ arXiv:2608.20239 | PDF File ]
- An Optical Illusion: High Electron Densities Create Extremely Metal-Poor Galaxy Impostors
Tiger Yu-Yang Hsiao, Danielle A. Berg, Steven L. Finkelstein, Ansh R. Gupta, Zorayda Martinez, Anthony J. Taylor, Hollis B. Akins, Oscar A. Chavez Ortiz, John Chisholm, Lukas J. Furtak, et al. [10 co-authors]
[ arXiv:2608.20339 | PDF File ]
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