3 papers
astro-ph.HE2026
Rapid Variability and Broadband Spectral Modeling in the Flaring Activity of BL Lacertae
Xin Chang, Dingrong Xiong, Chenxu Liu +17
We report a multi-wavelength study of two flaring episodes of the blazar BL Lacertae during MJD 60500-60800 (9 July 2024 - 5 May 2025). The source reached a daily-averaged -ray…
astro-ph.HE2026
Simultaneous Multi-band Optical Follow-up Observations of a Gamma-Ray Flare in BL Lacertae
X. Chang, D. R. Xiong, Chenxu Liu +17
On October , BL Lacertae () experienced one of its brightest gamma-ray flares. We conducted simultaneous follow-up observations in the , , , , ,…
astro-ph.GA2024
Optical intraday variability analysis for the BL Lacertae object 1ES 1426+42.8
X. Chang, D. R. Xiong, T. F. Yi +4
The observation data of blazar 1ES 1426 + 42.8 were obtained using the 1.02 m optical telescope of Yunnan Observatories during to . Intraday variability (IDV) is detec…