Design and Performance of the Upgraded Prototype Schwarzschild-Couder Telescope Camera Module
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| Format: | Preprint |
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2025
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| author | Ambrosi, Giovanni Aramo, Carla Barbanera, Mattia Bartolini, Chiara Benbow, Wystan Bertucci, Bruna Bissaldi, Elisabetta Bitossi, Massimiliano Capasso, Massimo Caprai, Mirco Cerasole, Davide Curtis-Ginsberg, Zachary De Palma, Gaia Di Venere, Leonardo Godoy, Miguel Escobar Feng, Qi Fiandrini, Emanuele Fortson, Lucy Funk, Stefan Furniss, Amy Gent, Alasdair Germani, Stefano Giglietto, Nicola Giordano, Francesco Hanlon, William Heiman, Sam Hervet, Olivier Ionica, Maria Jin, Weidong Kieda, David Licciulli, Francesco Loizzo, Pierpaolo Loporchio, Serena Marsella, Giovanni Mukherjee, Reshmi Otte, Nepomuk Pantaleo, Francesca Romana Paoletti, Riccardo Ribeiro, Deivid Riitano, Luca Roache, Emmet Ross, Duncan Saha, Lab Salzmann, Heiko Schwab, Benjamin Shang, Ruo-Yu Silvestre, Gianluigi Stiaccini, Leonardo Tajima, Hiroyasu Tandon, Svanik Tripodo, Giovanni Vandenbroucke, Justin Vassiliev, Vladimir V. White, Richard Williams, David A. Zink, Adrian |
| author_facet | Ambrosi, Giovanni Aramo, Carla Barbanera, Mattia Bartolini, Chiara Benbow, Wystan Bertucci, Bruna Bissaldi, Elisabetta Bitossi, Massimiliano Capasso, Massimo Caprai, Mirco Cerasole, Davide Curtis-Ginsberg, Zachary De Palma, Gaia Di Venere, Leonardo Godoy, Miguel Escobar Feng, Qi Fiandrini, Emanuele Fortson, Lucy Funk, Stefan Furniss, Amy Gent, Alasdair Germani, Stefano Giglietto, Nicola Giordano, Francesco Hanlon, William Heiman, Sam Hervet, Olivier Ionica, Maria Jin, Weidong Kieda, David Licciulli, Francesco Loizzo, Pierpaolo Loporchio, Serena Marsella, Giovanni Mukherjee, Reshmi Otte, Nepomuk Pantaleo, Francesca Romana Paoletti, Riccardo Ribeiro, Deivid Riitano, Luca Roache, Emmet Ross, Duncan Saha, Lab Salzmann, Heiko Schwab, Benjamin Shang, Ruo-Yu Silvestre, Gianluigi Stiaccini, Leonardo Tajima, Hiroyasu Tandon, Svanik Tripodo, Giovanni Vandenbroucke, Justin Vassiliev, Vladimir V. White, Richard Williams, David A. Zink, Adrian |
| contents | The Cherenkov Telescope Array Observatory (CTAO) is a ground-based observatory that will improve upon the sensitivities of the current generation of very-high-energy gamma-ray instruments. The Schwarzschild-Couder Telescope (SCT) is a dual-mirror candidate design for a CTAO Medium-Sized Telescope (MST). The prototype Schwarzschild-Couder Telescope (pSCT) was inaugurated in 2019 at Fred Lawrence Whipple Observatory (FLWO) in Arizona and observed significant gamma-ray emission from the Crab Nebula with a partially populated camera. The pSCT camera is currently being upgraded to fully instrument the focal plane with 11,328 silicon photomultiplier (SiPM) pixels split between 177 camera modules. Additionally, the modules will feature upgraded electronics designed to reduce electronics crosstalk and noise. A module calibration procedure has been developed using a preproduction test module. Following this calibration procedure, performance testing shows that the upgrade module has low noise, minimal electronics crosstalk, and excellent charge resolution. After calibration and optimization, the 177 production modules will be installed in the pSCT camera for commissioning. This will be followed by observations of known VHE gamma-ray sources for camera performance validation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_12529 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Design and Performance of the Upgraded Prototype Schwarzschild-Couder Telescope Camera Module Ambrosi, Giovanni Aramo, Carla Barbanera, Mattia Bartolini, Chiara Benbow, Wystan Bertucci, Bruna Bissaldi, Elisabetta Bitossi, Massimiliano Capasso, Massimo Caprai, Mirco Cerasole, Davide Curtis-Ginsberg, Zachary De Palma, Gaia Di Venere, Leonardo Godoy, Miguel Escobar Feng, Qi Fiandrini, Emanuele Fortson, Lucy Funk, Stefan Furniss, Amy Gent, Alasdair Germani, Stefano Giglietto, Nicola Giordano, Francesco Hanlon, William Heiman, Sam Hervet, Olivier Ionica, Maria Jin, Weidong Kieda, David Licciulli, Francesco Loizzo, Pierpaolo Loporchio, Serena Marsella, Giovanni Mukherjee, Reshmi Otte, Nepomuk Pantaleo, Francesca Romana Paoletti, Riccardo Ribeiro, Deivid Riitano, Luca Roache, Emmet Ross, Duncan Saha, Lab Salzmann, Heiko Schwab, Benjamin Shang, Ruo-Yu Silvestre, Gianluigi Stiaccini, Leonardo Tajima, Hiroyasu Tandon, Svanik Tripodo, Giovanni Vandenbroucke, Justin Vassiliev, Vladimir V. White, Richard Williams, David A. Zink, Adrian Instrumentation and Methods for Astrophysics High Energy Physics - Experiment The Cherenkov Telescope Array Observatory (CTAO) is a ground-based observatory that will improve upon the sensitivities of the current generation of very-high-energy gamma-ray instruments. The Schwarzschild-Couder Telescope (SCT) is a dual-mirror candidate design for a CTAO Medium-Sized Telescope (MST). The prototype Schwarzschild-Couder Telescope (pSCT) was inaugurated in 2019 at Fred Lawrence Whipple Observatory (FLWO) in Arizona and observed significant gamma-ray emission from the Crab Nebula with a partially populated camera. The pSCT camera is currently being upgraded to fully instrument the focal plane with 11,328 silicon photomultiplier (SiPM) pixels split between 177 camera modules. Additionally, the modules will feature upgraded electronics designed to reduce electronics crosstalk and noise. A module calibration procedure has been developed using a preproduction test module. Following this calibration procedure, performance testing shows that the upgrade module has low noise, minimal electronics crosstalk, and excellent charge resolution. After calibration and optimization, the 177 production modules will be installed in the pSCT camera for commissioning. This will be followed by observations of known VHE gamma-ray sources for camera performance validation. |
| title | Design and Performance of the Upgraded Prototype Schwarzschild-Couder Telescope Camera Module |
| topic | Instrumentation and Methods for Astrophysics High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2512.12529 |