3 papers
astro-ph.GA2026
Constraining Dark Matter Density Profiles in UFDs with Wide Binaries: Forecast for the Chinese Space Station Survey Telescope
Yixi Tao, Haijun Tian, Bin Yue +1
The internal structure of dark matter halos on sub-galactic scales remains a key open question, particularly in the context of the core-cusp problem. Ultra-faint dwarf galaxies (UF…
astro-ph.GA2026
POLAR-II: modeling star formation history of galaxies on the 21-cm signal from Epoch of Reionization
Qing-Bo Ma, Raghunath Ghara, Benedetta Ciardi +6
Galaxies may suffer some starburst and quenched periods in their history due to e.g. galaxy mergers and feedback. However, semi-numerical simulations of the Epoch of Reionization (…
astro-ph.GA2025
The Formation of Direct Collapse Black Holes at Cosmic Dawn and 21 cm Global Spectrum
Meng Zhang, Bin Yue, Yidong Xu +1
JWST reveals numerous high-z galaxies and Supermassive Black Holes (SMBHs), suggesting that stars and SMBH seeds formation at may be more efficient than previously d…