277 citations · 1.4k across the 33 of their papers we have counts for
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astro-ph.GA2022★ 7 cited
The optically elusive, changing-look active nucleus in NGC 4156
Giulia Tozzi, Elisabeta Lusso, Lapo Casetti +21
We report on the changing-look nature of the active galactic nucleus (AGN) in the galaxy NGC 4156, as serendipitously discovered thanks to data acquired in 2019 at the Telescopio N…
astro-ph.HE2022★ 12 cited
The lively accretion disk in NGC 2992. II. The 2019/2021 X-ray monitoring campaigns
R. Middei, A. Marinucci, V. Braito +8
We report on the short and long term X-ray properties of the bright nearby Seyfert 2 galaxy NGC 2992, which was extensively observed with Swift, XMM-Newton and NuSTAR. Swift target…
astro-ph.GA2022★ 7 cited
Dissecting the Extended X-ray Emission in the Merging Pair NGC 6240
A. Paggi, G. Fabbiano, E. Nardini +3
We present a detailed spectral and imaging analysis of the central radius () region of the merger galaxy NGC 6240 that makes use of all the available \…