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astro-ph.GA2026★ 1 cited
Polarization echoes from past nuclear activity in the quasi-periodic eruption source GSN 069
B. Agís-González, D. Hutsemékers, I. Liodakis +8
Context. X-ray quasi-periodic eruptions (QPEs) are repeating, high-amplitude, soft X-ray bursts observed from the nuclei of a dozen nearby low-mass galaxies. Their origin remains a…
astro-ph.GA2025
A new type-1 transition in NGC 1346 revealed by (spectro)polarimetry
F. Marin, D. Hutsemékers, S. Jorstad
We present the first photo- and spectropolarimetric observations of the changing-look active galactic nucleus NGC~1346 taken with the Perkins telescope (November 2022, March 2025)…