Year: 2025
Type: conference-paper
Abstract: X-ray binaries (XRBs) are strong hard X-ray emitters and among the most common sources in the Galactic plane within the 20–100 keV energy range. A handful of XRBs, both transient and persistent, have also been detected as gamma-ray emitters by Fermi/LAT and AGILE-GRID above 30 MeV (e.g., Cyg X-3, Cyg X-1, and V404 Cyg), yet the origin of this gamma-ray emission remains largely unknown. Moreover, the energy band between approximately 500 keV and 30 MeV has remained substantially unexplored due to the limited sensitivity of current X-ray and gamma-ray telescopes. Crystal Eye will continuously monitor the sky in search of Gamma Ray Bursts from about 10 keV to 30 MeV. It will also be capable of detecting bright hard X-ray transients, such as XRBs hosting black holes as compact objects. Here, we explore how Crystal Eye can contribute to the study of XRBs by monitoring transient events and tracking their evolution over time. Additionally, we investigate how it could enable continuous monitoring of persistent XRBs and extend the detectable energy range of these sources to 500 keV–30 MeV.
DOI: 10.22323/1.501.0594
Authors: Antonella Tarana, Felicia Barbato, Fiamma Capitanio, Ritabrata Sarkar, Pierpaolo Savina, Roberto Aloisio, Uygar Atalay, Biswijt Banerjee, Elisabetta Bissaldi, Marica Branchesi, Elisabetta Casilli, Roberta Colalillo, Ivan De Mitri, Alessio Ludovico De Santis, Adriano Di Giovanni, Giulio Fontanella, Fabio Gargano, Fabio Garufi, Fausto Guarino, Dimitrios Kyratzis, Herman Lima, Francesco Longo, Francesco Loparco, Riccardo Martinelli, Teresa Montaruli, Gor Oganesyan, Francesco Perfetto, Javier Rico, Filippo Santoliquido, Iqra Siddique, Aleksei Smirnov, Matteo Tambone, Andrii Tykhonov, Laura Valore, Alessandro Vigliano
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4414452013
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