# Science Case for a Wide Field-of-View Very-High-Energy Gamma-Ray Observatory in the Southern Hemisphere **Authors:** A. Albert, R. Alfaro, H. Ashkar, C. Alvarez, J. \'Alvarez, J.C., Arteaga-Vel\'azquez, H.A. Ayala Solares, R. Arceo, J.A. Bellido, S. BenZvi,, T. Bretz, C.A. Brisbois, A.M. Brown, F. Brun, K.S. Caballero-Mora, A. Carosi,, A. Carrami\~nana, S. Casanova, P.M. Chadwick, G. Cotter, S. Couti\~no De, Le\'on, P. Cristofari, S. Dasso, E. de la Fuente, B.L. Dingus, P. Desiati, F., de O. Salles, V. de Souza, D. Dorner, J. C. D\'iaz-V\'elez, J.A., Garc\'ia-Gonz\'alez, M.A. DuVernois, G. Di Sciascio, K. Engel, H., Fleischhack, N. Fraija, S. Funk, J-F. Glicenstein, J. Gonzalez, M.M., Gonz\'alez, J.A. Goodman, J.P. Harding, A. Haungs, J. Hinton, B. Hona, D., Hoyos, P. Huentemeyer, A. Iriarte, A. Jardin-Blicq, V. Joshi, S. Kaufmann, K., Kawata, S. Kunwar, J. Lefaucheur, J.-P. Lenain, K. Link, R. L\'opez-Coto, V., Marandon, M. Mariotti, J. Mart\'inez-Castro, H. Mart\'inez-Huerta, M., Mostaf\'a, A. Nayerhoda, L. Nellen, E. de O\~na Wilhelmi, R.D. Parsons, B., Patricelli, A. Pichel, Q. Piel, E. Prandini, E. Pueschel, S. Procureur, A., Reisenegger, C. Rivi\`ere, J. Rodriguez, A.C. Rovero, G. Rowell, E.L., Ruiz-Velasco, A. Sandoval, M. Santander, T. Sako, T.K. Sako, K. Satalecka, H., Schoorlemmer, F. Sch\"ussler, M. Seglar-Arroyo, A.J. Smith, S. Spencer, P., Surajbali, E. Tabachnick, A.M. Taylor, O. Tibolla, I. Torres, B. Vallage, A., Viana, J.J. Watson, T. Weisgarber, F. Werner, R. White, R. Wischnewski, R., Yang, A. Zepeda, H. Zhou arXiv: 1902.08429 · 2019-02-25 ## TL;DR This paper advocates for the development of SGSO, a wide field-of-view gamma-ray observatory in the Southern Hemisphere, designed to explore high-energy astrophysics, particle physics, and cosmic ray phenomena. ## Contribution It introduces the SGSO project, detailing its scientific goals, design, and how it complements existing gamma-ray observatories in the southern hemisphere. ## Key findings - SGSO will cover gamma-ray energies from 100 GeV to hundreds of TeV. - It will enable continuous monitoring of transient high-energy phenomena. - The observatory will enhance understanding of galactic and extragalactic accelerators. ## Abstract We outline the science motivation for SGSO, the Southern Gamma-Ray Survey Observatory. SGSO will be a next-generation wide field-of-view gamma-ray survey instrument, sensitive to gamma-rays in the energy range from 100 GeV to hundreds of TeV. Its science topics include unveiling galactic and extragalactic particle accelerators, monitoring the transient sky at very high energies, probing particle physics beyond the Standard Model, and the characterization of the cosmic ray flux. SGSO will consist of an air shower detector array, located in South America. Due to its location and large field of view, SGSO will be complementary to other current and planned gamma-ray observatories such as HAWC, LHAASO, and CTA. ## Full text _Full body text omitted from this summary view._ Fetch the complete paper as Markdown: https://tomesphere.com/paper/1902.08429/full.md ## Figures 44 figures with captions in the complete paper: https://tomesphere.com/paper/1902.08429/full.md ## References 318 references — full list in the complete paper: https://tomesphere.com/paper/1902.08429/full.md --- Source: https://tomesphere.com/paper/1902.08429