Considerations on Possible Directions for a Wide Band Polarimetry X-ray Mission
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galaxies-12-00047-v2.pdf
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1.28 MB
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Checksum (MD5)
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Author(s)
Soffitta, Paolo
Costa, Enrico
De Angelis, Nicolas
Del Monte, Ettore
Desch, Klaus
Di Marco, Alessandro
Di Persio, Giuseppe
Fabiani, Sergio
Ferrazzoli, Riccardo
Gruber, Markus
Date Issued
August 8, 2024
Journal
Galaxies
Publisher
Multidisciplinary Digital Publishing Institute
Citation
Soffitta, P.; Costa, E.; De Angelis, N.; Del Monte, E.; Desch, K.; Di Marco, A.; Di Persio, G.; Fabiani, S.; Ferrazzoli, R.; Gruber, M.; et al. Considerations on Possible Directions for a Wide Band Polarimetry X-ray Mission. Galaxies 2024, 12, 47.
Version
Final published version
Abstract
The Imaging X-ray Polarimetry Explorer (IXPE) has confirmed that X-ray polarimetry is a valuable tool in astronomy, providing critical insights into the emission processes and the geometry of compact objects. IXPE was designed to be sensitive in the 2–8 keV energy range for three primary reasons: (1) celestial X-ray sources are bright within this range, (2) the optics are effective, and (3) most sources across various classes were expected to exhibit some level of polarization. Indeed, IXPE is a great success, and its discoveries are necessitating the revision of many theoretical models for numerous sources. However, one of IXPE’s main limitations is its relatively narrow energy band, coupled with rapidly declining efficiency. In this paper, we will demonstrate the benefits of devising a mission focused on a broader energy band (0.1–79 keV). This approach leverages current technologies that align well with theoretical expectations and builds on the successes of IXPE.
MIT Department
MIT Kavli Institute for Astrophysics and Space Research
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DOI of Published Version
https://doi.org/10.3390/galaxies12040047
