A1 Refereed original research article in a scientific journal
A polarized view of the hot and violent universe
Authors: Soffitta Paolo, Bucciantini Niccolo’, Churazov Eugene, Costa Enrico, Dovciak Michal, Feng Hua, Heyl Jeremy, Ingram Adam, Jahoda Keith, Kaaret Philip, Kallman Timothy, Karas Vladimir, Khabibullin Ildar, Krawczynski Henric, Malzac Julien, Marin Frédéric, Marshall Herman, Matt Giorgio, Muleri Fabio, Mundell Carole, Pearce Mark, Petrucci Pierre-Olivier, Poutanen Juri, Romani Roger, Santangelo Andrea, Tagliaferri Gianpiero, Taverna Roberto, Turolla Roberto, Vink Jacco, Zane Silvia
Publisher: SPRINGER
Publication year: 2021
Journal: Experimental Astronomy
Journal acronym: EXP ASTRON
Number of pages: 33
ISSN: 0922-6435
eISSN: 1572-9508
DOI: https://doi.org/10.1007/s10686-021-09722-y
Web address : https://link.springer.com/article/10.1007/s10686-021-09722-y
Self-archived copy’s web address: https://research.utu.fi/converis/portal/Publication/59148943
X-ray polarimetry has long been considered the 'holy grail' of X-ray astronomy. Fortunately, after a silence of more than 40 years, the field is now rejuvenating. In fact, an X-ray polarimeter onboard a Cube-sat nano-satellite has been recently successfully operated. IXPE, the Imaging X-ray Polarimetry Explorer, will be launched in 2021 while eXTP, containing a larger version of IXPE, is expected to be launched in 2027. Although at present it is difficult to predict the discoveries that, given their exploratory nature, IXPE and eXTP will obtain, the path for a follow-up mission can already be envisaged. In this paper we describe the scientific goals of such a follow-up mission, and present a medium-size mission profile that can accomplish this task.
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