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HAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06

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Giacinti,  G.
Brian Reville, Astrophysical Plasma Theory (APT) - Max Planck Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Hinton,  J.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

Albert, A., Alfaro, R., Alvarez, C., Alvarez, J. D., Angeles Camacho, J. R., Arteaga-Velazquez, J. C., et al. (2022). HAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06. Astrophysical Journal, 928(2): 116. doi:10.3847/1538-4357/ac56e5.


Cite as: https://hdl.handle.net/21.11116/0000-000A-E3A0-0
Abstract
We report TeV gamma-ray observations of the ultra-high-energy source MGRO J1908+06 using data from the High Altitude Water Cherenkov Observatory. This source is one of the highest-energy known gamma-ray sources, with emission extending past 200 TeV. Modeling suggests that the bulk of the TeV gamma-ray emission is leptonic in nature, driven by the energetic radio-faint pulsar PSR J1907+0602. Depending on what assumptions are included in the model, a hadronic component may also be allowed. Using the results of the modeling, we discuss implications for detection prospects by multi-messenger campaigns.