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astro-ph.GA2026
SMMAN Studies of AGN Variability. I. Long-term Spectral Evolution and a Candidate -day Quasi-periodic Modulation in 4C+72.28
Xin Wang, Timur Mufakharov, Guiping Tan +6
The SMMAN project has carried out nine years of radio flux monitoring in the C and K bands of the blazar 4C+72.28. The two bands show markedly different secular evolution, with a s…
astro-ph.HE2026
Distinct Jet Properties in the X-Ray-Obscured State of GRS 1915+105
Xi Yan, Lang Cui, Sergei Trushkin +6
GRS 1915+105 has remained in an X-ray-obscured state since its transition from a long-lasting unobscured state in 2019. We report on 6.7-GHz East Asia VLBI Network observations of…
astro-ph.GA2026
OH Line Detections in Southern Galaxies of the IRAS Revised Bright Galaxy Sample
Han Zhao, Zhongzu Wu, Bo Zhang +4
We present a systematic study of OH main-line emission and absorption in 186 southern galaxies from the IRAS Revised Bright Galaxy Sample, using archival MeerKAT snapshot data. OH…