2 papers
astro-ph.HE2026
A broadband outburst of the compact steep-spectrum quasar 3C 138 in 2024-2026
T. V. Mufakharov, Yu. V. Sotnikova, V. V. Vlasyuk +20
After several decades of relative quiescence, the compact steep-spectrum quasar 3C 138 entered an active phase in 2024-2026, exhibiting strong broadband flaring. We investigate its…
astro-ph.GA2025
Radio and Optical Properties of the blazar PKS 1614+051 at z=3.21
Yu. V. Sotnikova, A. G. Mikhailov, A. E. Volvach +21
We present a study of the radio and optical properties of the high-frequency peaker (HFP) blazar PKS 1614+051 at based on the data covering the time period of 1997-2024. T…