3 papers
astro-ph.GA2026
Reduction of bar fraction in paired galaxies in the SDSS
Linlin Li, Shuai Feng, Shiyin Shen +3
We investigate the bar fraction in galaxy pairs from the SDSS to assess how galaxy interactions affect bar structures. Compared to isolated galaxies, close pairs exhibit a signific…
astro-ph.GA2025
AGN STORM 2. XI. Spectroscopic reverberation mapping of the hot dust in Mrk 817
Hermine Landt, Benjamin D. Boizelle, Michael S. Brotherton +41
The AGN Space Telescope and Optical Reverberation Mapping 2 (STORM 2) campaign targeted Mrk 817 with intensive multi-wavelength monitoring and found its soft X-ray emission to be s…
astro-ph.CO2025
Predicting Halo Formation Time Using Machine Learning
Atulit Srivastava, Weiguang Cui, Daniel de Andres +3
Context:Halo formation time, which quantifies the mass assembly history of dark-matter halos, directly impacts galaxy properties and evolution. Although not directly observable, it…