The Daily Brew
Selected astro-ph abstracts for Monday 2025 April 7
- The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo
Gustavo E. Medina, Ting S. Li, Sergey E. Koposov, A. H. Riley, L. Beraldo e Silva, M. Valluri, W. Wang, A. Bystr\"om, O. Y. Gnedin, R. G. Carlberg, et al. [46 co-authors]
[ arXiv:2504.02924 | PDF File ]
- Ain't no resonance high enough: Core collapse in self-interacting dark matter across two decades in halo mass
Vinh Tran, Xuejian Shen, Daniel Gilman, Mark Vogelsberger, Stephanie O'Neil, Donghua Xiong, Jiayi Hu, Ziang Wu
[ arXiv:2504.02928 | PDF File ]
- The Spheroidal Analogue Method for Modeling Irregular Porous Aggregates
B. T. Draine
[ arXiv:2504.02970 | PDF File ]
- Measuring the asymmetric expansion of the Fe ejecta of Cassiopeia A with XRISM/Resolve
Aya Bamba (Department of Physics, U. Tokyo, Research Center for the Early Universe, U. Tokyo, Trans-Scale Quantum Science Institute, U. Tokyo), Manan Agarwal (U. Amsterdam), Jacco Vink (U. Amsterdam, SRON), Paul Plucinsky (Harvard-Smithsonian Center for Astrophysics), et al. [36 co-authors]
[ arXiv:2504.03268 | PDF File ]
- Unexpected clustering pattern in dwarf galaxies challenges formation models
Ziwen Zhang, Yangyao Chen, Yu Rong, Huiyuan Wang, Houjun Mo, Xiong Luo, Hao Li
[ arXiv:2504.03305 | PDF File ]
- The CARMENES search for exoplanets around M dwarfs. Occurrence rates of Earth-like planets around very low-mass stars
A. Kaminski, S. Sabotta, J. Kemmer, P. Chaturvedi, R. Burn, J. C. Morales, J. A. Caballero, I. Ribas, A. Reiners, A. Quirrenbach, et al. [26 co-authors]
[ arXiv:2504.03364 | PDF File ]
- The Dark Ages Explorer (DEX): a filled-aperture ultra-long wavelength radio interferometer on the lunar far side
C. D. Brinkerink, M. J. Arts, M. J. Bentum, A. J. Boonstra, B. Cecconi, A. Fialkov, J. Garcia Guti\'errez, S. Ghosh, J. Grenouilleau, L. I. Gurvits, et al. [23 co-authors]
[ arXiv:2504.03418 | PDF File ]
- Low rock mass fraction within trans-Neptunian objects inferred from the spin-orbit evolution of Orcus-Vanth and Salacia-Actaea
Sota Arakawa, Shunichi Kamata, Hidenori Genda
[ arXiv:2504.03508 | PDF File ]
- JADES: comprehensive census of broad-line AGN from Reionization to Cosmic Noon revealed by JWST
Ignas Juod\v{z}balis, Roberto Maiolino, William M. Baker, Emma Curtis Lake, Jan Scholtz, Francesco D'Eugenio, Bartolomeo Trefoloni, Yuki Isobe, Sandro Tacchella, Andrew J. Bunker, et al. [19 co-authors]
[ arXiv:2504.03551 | PDF File ]
- JWSTs PEARLS: NIRCam imaging and NIRISS spectroscopy of a $z=3.6$ star-forming galaxy lensed into a near-Einstein Ring by a $z=1.258$ massive elliptical galaxy
Nathan J. Adams, Giovanni Ferrami, Lewi Westcott, Thomas Harvey, Vicente Estrada-Carpenter, Christopher J. Conselice, Duncan Austin, J. Stuart B. Wyithe, Caio M. Goolsby, Qiong Li, et al. [32 co-authors]
[ arXiv:2504.03571 | PDF File ]
- The DECam MAGIC Survey: A Wide-field Photometric Metallicity Study of the Sculptor Dwarf Spheroidal Galaxy
Fabr\'icia O. Barbosa, Anirudh Chiti, Guilherme Limberg, Andrew Pace, William Cerny, Silvia Rossi, Jeffrey L. Carlin, Guy Stringfellow, Vinicius Placco, Kaia Atzerberg, et al. [28 co-authors]
[ arXiv:2504.03593 | PDF File ]
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