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astro-ph.HE2026
Weak emission line quasar SDSS J101353.45+492758.1 I. Continuum fitting
Laetitia Gibaud, Marek Nikołajuk, Piotr Życki +3
We present a broadband study of the WLQ SDSS J101353.45+492758.1, which displays a nearly featureless UV-optical spectrum with only a weak Mg II line alongside an exceptionally low…
astro-ph.HE2026
A break in the X-ray loudness of Markarian 590: evidence for an AGN spectral state transition?
B. Palit, A. Rozanska, A. G. Markowitz +8
Using decade-long multi-band {\it Swift} observations of the changing-look AGN Markarian 590, we identify a clear break in the dependence of the X-ray loudness parameter $α_{\rm ox…