173 citations · 2.1k across the 81 of their papers we have counts for
7 papers · 1 filter
ESA Voyage 2050 white paper: A Polarized View of the Hot and Violent Universe
Paolo Soffitta, Niccolò Bucciantini, Eugene Churazov +27
Since the birth of X-ray Astronomy, spectacular advances have been seen in the imaging, spectroscopic and timing studies of the hot and violent X-ray Universe, and further leaps fo…
Changing-look Seyfert galaxies with optical linear polarization measurements
F. Marin, D. Hutsemékers, B. Agís González
In this lecture note, we make the case for new (spectro)polarimetric measurements of "changing-look" AGNs (CLAGNs), a subclass of the AGN family tree that shows long-term (months t…
PHEMTO : Polarimetric High Energy Modular Telescope Observatory
P. Laurent, F. Acero, V. Beckmann +27
With the opening of the X and gamma--ray windows in the sixties, thanks to to sounding rockets and satellite-borne instruments, extremely energetic and violent phenomena were disco…
The X-ray Polarization Probe mission concept
Keith Jahoda, Henric Krawczynski, Fabian Kislat +100
The X-ray Polarization Probe (XPP) is a second generation X-ray polarimeter following up on the Imaging X-ray Polarimetry Explorer (IXPE). The XPP will offer true broadband polarim…
Polarization of changing-look quasars
D. Hutsemékers, B. Agís González, F. Marin +3
If the disappearance of the broad emission lines observed in changing-look quasars originates from the obscuration of the quasar core by dusty clouds moving in the torus, high line…
The role of Active Galactic Nuclei in galaxy evolution: insights from space ultraviolet spectropolarimetry
F. Marin, S. Charlot, B. Agís González +6
This Astro2020 white paper summarizes the unknowns of active galactic nuclei (AGN) physics that could be unveiled thanks to a new, space-born, ultraviolet spectropolarimeter. The u…
A deep X-ray view of the bare AGN Ark120. V. Spin determination from disc-Comptonisation efficiency method
D. Porquet, C. Done, J. N. Reeves +13
[Abridged] In our previous work on Ark 120, we found that its 2014 X-ray spectrum is dominated by Comptonisation, while the relativistic reflection emission only originates at tens…