RS Ophiuchi is the first nova to be detected in the very-high-energy range. Its gamma-ray emission provides evidence of proton acceleration following the thermonuclear outburst. These observations offer new insight into the origin of cosmic rays.
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References
Bode, M. F. & Evans, A. (eds) Classical Novae (Cambridge Univ. Press, 2008). This book summarizes various aspects of novae observations and their interpretation.
Chomiuk, L., Metzger, B. D. & Shen, K. J. New insights into classical novae. Annu. Rev. Astron. Astrophys. 59, 391–444 (2021). This review presents the current understanding of novae.
Abdo, A. A. et al. Gamma-ray emission concurrent with the nova in the symbiotic binary V407 Cygni. Science 329, 817–821 (2010). This paper reports the first detection of gamma-ray emission from a nova.
Schaefer, B. E. Comprehensive photometric histories of all known galactic recurrent novae. Astrophys. J. Suppl. Ser. 187, 275–373 (2010). This paper summarizes the known recurrent novae, in particular RS Ophiuchi.
Aleksić, J. et al. The major upgrade of the MAGIC telescopes. Part I: The hardware improvements and the commissioning of the system. Astropart. Phys. 72, 61–75 (2016). This paper describes the current configuration of the MAGIC telescopes.
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This is a summary of: Acciari, V. A. et al. Proton acceleration in thermonuclear nova explosions revealed by gamma rays. Nat. Astron. https://doi.org/10.1038/s41550-022-01640-z (2022).
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Gamma rays reveal proton acceleration in nova explosions. Nat Astron 6, 643–644 (2022). https://doi.org/10.1038/s41550-022-01650-x
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DOI: https://doi.org/10.1038/s41550-022-01650-x