2 papers
astro-ph.CO2025
Constraining fuzzy dark matter with the 21-cm power spectrum from Cosmic Dawn and Reionization
Shihang Liu, Yilin Liu, Bowen Peng +4
The 21-cm signals from Cosmic Dawn and the Epoch of Reionization contain valuable information on cosmological structure formation dominated by dark matter. Measurements of the 21-c…
astro-ph.GA2025
Optical QPOs with dual periodicities 1103days and 243days in the blue quasar SDSS J100438.8+151056
GuiLin Liao, XingQian Chen, Qi Zheng +2
This manuscript investigates the possible existence of a binary supermassive black holes (BSMBH) system in the blue quasar SDSS J100438.8+151056 (=SDSS J1004+1510) at z=0.219 based…