The Daily Brew
Selected astro-ph abstracts for Monday 2025 October 13
- How precisely can we measure the ages of subgiant and giant stars?
Cheyanne Shariat, Kareem El-Badry, Soumyadeep Bhattacharjee
[ arXiv:2510.08675 | PDF File ]
- Tracing Planetary Accretion in a 3 Gyr-old Hydrogen-Rich White Dwarf: The Extremely Polluted Atmosphere of LSPM J0207+3331
\'Erika Le Bourdais, Patrick Dufour, Carl Melis, Beth L. Klein, Laura K. Rogers, Antoine B\'edard, John Debes, Ashley Messier, Alycia J. Weinberger, Siyi Xu
[ arXiv:2510.08676 | PDF File ]
- Next-Generation Improvements in Giant Exoplanet Evolutionary and Structural Models
Ankan Sur, Roberto Tejada Arevalo, Adam Burrows, Yi-Xian Chen
[ arXiv:2510.08681 | PDF File ]
- That's so Retro: The Gaia-Sausage-Enceladus Merger Trajectory as the Origin of the Chemical Abundance Bimodality in the Milky Way Disk
James W. Johnson, Diane K. Feuillet, Ana Bonaca, Danielle de Brito Silva
[ arXiv:2510.08688 | PDF File ]
- Metals versus Non-metals: Chemical Evolution of Hydrogen and Helium Isotopes in the Milky Way
James W. Johnson, Miqaela K. Weller, Ryan J. Cooke
[ arXiv:2510.08689 | PDF File ]
- The ExoGRAVITY survey: a K-band spectral library of giant exoplanet and brown dwarf companions
J. Kammerer, T. O. Winterhalder, S. Lacour, T. Stolker, G. -D. Marleau, W. O. Balmer, A. F. Moore, L. Piscarreta, C. Toci, A. M\'erand, et al. [108 co-authors]
[ arXiv:2510.08691 | PDF File ]
- The Sonora Substellar Atmosphere Models VI. Red Diamondback: Extending Diamondback with SPHINX for Brown Dwarf Early Evolution
C. Evan Davis, Jonathan J. Fortney, Aishwarya Iyer, Sagnick Mukherjee, Caroline V. Morley, Mark S. Marley, Michael Line, Philip S. Muirhead
[ arXiv:2510.08694 | PDF File ]
- The polar debris disc around 99 Herculis: A potential signpost for polar circumbinary planets
Jeremy L. Smallwood, William DeRocco, Zhizhen Qin, Antranik A. Sefilian
[ arXiv:2510.08698 | PDF File ]
- JWST imaging of omega Centauri: II. Evidence for a split white dwarf cooling sequence in the near-infrared
M. Scalco (Indiana University), M. Salaris (Liverpool John Moores University, INAF-OAAb), L. R. Bedin (INAF-OAPD), S. Blouin (University of Victoria), E. Vesperini (Indiana University), P. Bergeron (University of Montreal), M. Libralato (INAF-OAPD), M. Griggio (STScI), A. Burgasser (UniCA SanDiego), et al. [16 co-authors]
[ arXiv:2510.08715 | PDF File ]
- The CEERS Photometric and Physical Parameter Catalog
Isa G. Cox, Jeyhan S. Kartaltepe, Micaela B. Bagley, Steven L. Finkelstein, Caitlin Rose, Ali Ahmad Khostovan, Katherine Chworowsky, Olivier Ilbert, Anton M. Koekemoer, Henry C. Ferguson, et al. [37 co-authors]
[ arXiv:2510.08743 | PDF File ]
- Accretion-Regulated Type Transitions in Changing-Look AGNs: Evidence from Two-Epoch Spectral Analysis
Yu-Heng Shen, Kai-Xing Lu, Wei-Jian Guo, Sha-Sha Li, Hai-Cheng Feng, Zhang Yue, Wen-Zhe Xi, Jian-Guo Wang, Jin-Ming Bai
[ arXiv:2510.08868 | PDF File ]
- A Sharper View of the X-ray Spectrum of MCG--6-30-15 with XRISM, XMM-Newton and NuSTAR
Laura W. Brenneman, Daniel R. Wilkins, Anna Ogorza{\l}ek, Daniele Rogantini, Andrew C. Fabian, Javier A. Garc\'ia, Anna Jur\'a\v{n}ov\'a, Misaki Mizumoto, Hirofumi Noda, Ehud Behar, et al. [17 co-authors]
[ arXiv:2510.08926 | PDF File ]
- Galaxy Metallicity Gradients in the Reionization Epoch from the FIRE-2 Simulations
Xunda Sun, Xin Wang, Fangzhou Jiang, Houjun Mo, Luis C. Ho, Qianqiao Zhou, Xiangcheng Ma, Hu Zhan, Andrew Wetzel, Russell L. Graf, et al. [12 co-authors]
[ arXiv:2510.08997 | PDF File ]
- HST Confirms Sub-5 kpc Dual Quasar Pairs at Cosmic Noon
Qian Wang, Xuheng Ding, John Silverman, J. Xavier Prochaska, Tommaso Treu, Hassen M. Yesuf, Masatoshi Imanishi, Nobunari Kashikawa, Issha Kayo, Kotaro Kohno, et al. [13 co-authors]
[ arXiv:2510.09059 | PDF File ]
- Sub-Threshold Fermi-LAT Sources in the Vicinity of KM3-230312A
Angelina Sherman, Nestor Mirabal, David Guevel, Ke Fang, Kohta Murase, Elizabeth Hays
[ arXiv:2510.09101 | PDF File ]
- The age and metallicity dependence of the near-infrared absolute magnitude and colour of red clump stars
Hiroki Onozato, Yoshifusa Ita, Yoshikazu Nakada
[ arXiv:2510.09168 | PDF File ]
- Direct observation of the X-ray counterpart of the H{\alpha} filaments and of the sloshing spiral in the Perseus galaxy cluster
Adrien Picquenot, Fabio Acero, Valeria Olivares, Michela Negro, Gabriel W. Pratt
[ arXiv:2510.09559 | PDF File ]
- Galaxy Underdensities Host the Clearest IGM Ly$\alpha$ Transmission and Indicate Anisotropic Reionization
Yongda Zhu, George D. Becker, Anson D'Aloisio, Ryan Endsley, Nakul Gangolli, Christopher Cain, Charlotte A. Mason, Seyedazim Hashemi, Hui Hong
[ arXiv:2510.09568 | PDF File ]
- SN 2021lwz: Another Exotic Luminous and Fast Evolving Optical Type Ic Broad-Lined Supernova ?
F. Poidevin, S. L. West, C. M. B. Omand, R. K\"onyves-T\'oth, S. Schulze, L. Yan, T. Kangas, I. P\'erez-Fournon, S. Geier, J. Sollerman, et al. [27 co-authors]
[ arXiv:2510.09569 | PDF File ]
- JWST Observations of SN 2024ggi II: NIRSpec Spectroscopy and CO Modeling at 285 and 385 Days Past the Explosion
T. Mera, C. Ashall, P. Hoeflich, K. Medler, M. Shahbandeh, C. R. Burns, E. Baron, J. M. DerKacy, E. Fereidouni, C. M. Pfeffer, et al. [42 co-authors]
[ arXiv:2510.09600 | PDF File ]
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