2 papers
astro-ph.HE2026
The spectral state transition of Mkn 590, a potential link between AGNs and X-ray binaries?
B. Palit, A. Rozanska, A. G. Markowitz +8
Using the decade-long multi-band \textit{Swift} observations of the changing look AGN Markarian~590, we capture a clear state transition associated with its recent changing look ev…
astro-ph.IM2026
Early Architecture Concepts for the Habitable Worlds Observatory -- System Design, Modeling, and Analysis
Alice, Liu, Marie Levine +30
The Habitable Worlds Observatory (HWO), NASA's next flagship science mission, follows in the tradition of the Nancy Grace Roman Space Telescope and other preceding great observator…