2 papers
astro-ph.CO2026
Comprehensive Analysis of Optical brightness and Color Variability of Blazars in the ZTF Survey DR22
Qi Yuan, Xin Wang, Meng Zhang +6
This study conducts a comprehensive analysis of brightness and color variability in blazars, utilizing over six years of quasi-simultaneous g-band and r-band data from 1149 sources…
astro-ph.HE2025
SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase
Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin +37
We present extensive optical observations of a nearby Type Ia supernova (SN Ia), SN 2021hpr, located in the spiral galaxy NGC 3147 at a distance of 45 Mpc. Our observations…