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1. Cross Observatory Coordination with tilepy: A Novel Tool for Observations of Multimessenger Transient Events

Author

Monica Seglar-Arroyo, Halim Ashkar, Mathieu de Bony de Lavergne, and Fabian Schüssler

Subjects
Observational astronomy, Astronomical methods, Transient detection, Gamma-ray bursts, Gravitational wave sources, Astrophysics, QB460-466
Abstract

Time-domain astrophysics has leaped forward with the direct discovery of gravitational waves and the emergence of new generation instruments for multimessenger studies. The capacity of the multimessenger multiwavelength community to effectively pursue follow-up observations is hindered by the suboptimal localization of numerous transient events and the escalating volume of alerts. Thus, we have developed an effective tool to overcome the observational and technical hurdles inherent in the emerging field of multimessenger astrophysics. We present tilepy , a Python package for the automatic scheduling of follow-up observations of poorly localized transient events. It is ideally suited to tackle the challenge of complex follow-up in mid- and small-field-of-view telescope campaigns, with or without human intervention. We demonstrate the capabilities of tilepy in the realm of multiobservatory, multiwavelength campaigns, to cover the localization uncertainty region of various events ultimately aiming at pinpointing the source of the multimessenger emission. The tilepy code is publicly available on GitHub and is sufficiently flexible to be employed either automatically or in a customized manner, tailored to collaboration and individual requirements. tilepy is also accessible via a public API and through the Astro-COLIBRI platform.

Published
2024
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2. Physics Performance of the Large Size Telescope prototype of the Cherenkov Telescope Array

Author

Razmik Mirzoyan, Javier Herrera Llorente, Carlos Delgado, Mario Buscemi, M. Cardillo, Jorge Otero-Santos, Julien Houles, Ulisses Barres de Almeida, Debanjan Bose, Luis Ángel Tejedor, Nicola Giglietto, Stefano Truzzi, Ramon Garcia López, Rune Michael Dominik, Darko Zarić, Toni Šarić, D. Dominis Prester, Alicia López-Oramas, Louis Antonelli, Leonardo Di Venere, Karlo Mrakovcic, Petr Travnicek, Junko Kushida, Lea Heckmann, Andres Baquero Larriva, Katsuaki Asano, Josep Maria Paredes, Elena Moretti, Léa Jouvin, Alessia Spolon, Monica Seglar Arroyo, Roland Walter, Kohta Murase, Arnau Aguasca, Alessandra Lamastra, Marina Manganaro, Miroslav Hrabovsky, Alice Donini, Marc Ribó, Alessio Berti, Francesco Longo, Lukas Nickel, Ilaria Viale, Kazuma Ishio, Tomohiro Inada, Federico Di Pierro, P. Thomas Tam, Ievgen Vovk, Jose Enrique Ruiz, Juan Escudero, Marcos López-Moya, Hidetoshi Kubo, Enrique Garcia, Dario Hrupec, Nikola Godinovic, Tokonatsu Yamamoto, David Sanchez, Irene Jiménez Martínez, Ryo Yamazaki, Davide Miceli, Ks Cheng, Halim Ashkar, Andrea Rugliancich, Satoshi Fukami, Michele Doro, Saša Mićanović, Dominik Elsässer, Dalibor Nosek, Juan Abel Barrio, Tarek M. Hassan, Patricia Marquez, Shuichi Gunji, Armand Fiasson, Hiromitsu Takahashi, Yuki Iwamura, Maria Victoria Fonseca, Pol Bordas, Michiyuki Chikawa, Dusan Mandat, Giovanni Lamanna, Oibar Martinez, Martin Tluczykont, Leonardo Baroncelli, David Hui, Michiko Ohishi, Thomas Vuillaume, Jordi Delgado Mengual, Lovro Pavletić, Andrea Bulgarelli, Mabel Bernardos, Hyuga Abe, Tomohiko Oka, R. C. Shellard, Pietro Grespan, Pierre Aubert, Guillaume Deleglise, Michael Prouza, David H. Green, Lluis Freixas Coromina, Takanori Yoshikoshi, Mireia Nievas, Albert Kong, Thomas Schweizer, David Paneque, Yukiho Kobayashi, Ladislav Chytka, Mario Pecimotika, Juliane Scherpenberg, Edgar Molina, Yating Chai, Oscar Blanch, Masahiro Teshima, Martin Makariev, Pratik Majumdar, M. I. Martínez, Miroslav Pech, Nao Okazaki, Vassil Verguilov, Daniel Nieto, Josefa Becerra Gonzalez, Shuta Tanaka, Moritz Hütten, Daniela Hadasch, Yusuke Suda, Miguel Polo, W. Rhode, Manuel Artero, Alexander Hahn, Aya Bamba, Tsunefumi Mizuno, Fuyuki Tokanai, Thomas Armstrong, Michele Palatiello, Elisa Prandini, Tatsuo Yoshida, Matteo Cerruti, Kohei Hayashi, Karl Mannheim, M. Nöthe, Jose Luis Contreras, Daniel Morcuende, Mykhailo Dalchenko, Kyoshi Nishijima, Gilles Maurin, Marcel Strzys, Franca Cassol, Maurizio Iori, Carlos Díaz, Mika Kagaya, Luis David Medina Miranda, Yasushi Fukazawa, Giacomo Bonnoli, German Martinez, Matthieu Heller, Gaia Verna, Enrique Mestre Guillen, Giovanni Marsella, Jonas Hackfeld, Martin Vacula, Pedro L. Luque-Escamilla, Riccardo Paoletti, Juan Cortina, Yoshiki Ohtani, Vincent Poireau, Francesco Gabriele Saturni, Alessandro Carosi, Ali Baktash, Irene Burelli, Carla Aramo, Vincenzo Rizi, Ruben Lopez-Coto, Jakub Juryšek, Takeshi Nakamori, Jumpei Takata, Ivana Batković, Francesco Giordano, Dai Tateishi, Vincenzo Vitale, Pawel Gliwny, Jose Miguel Miranda, Yuji Sunada, A. Morselli, Julie Prast, Alvaro Mas, Chaitanya Priyadarshi, Tomislav Terzić, Yusuke Inome, Mitsunari Takahashi, Vladimir Karas, Daniel Kerszberg, Monica Vazquez Acosta, Fabian Schüssler, Daniel Mazin, Yukikatsu Terada, Diego F. Torres, Ciro Bigongiari, Alessandro De Angelis, Teresa Montaruli, Riccardo Rando, Daniela Dorner, Abelardo Moralejo, Dieter Horns, Hideaki Katagiri, Ryuji Takeishi, Noah Biederbeck, Vitalii Sliusar, Bernd Schleicher, K. Hirotani, Hiroyasu Tajima, Gabriel Emery, Petar Temnikov, Jelena Strišković, Koji Noda, Dirk Hoffmann, Carlo Francesco Vigorito, Jun Kataoka, Sami Caroff, Josep Martí, Tjark Miener, Martin Will, Mikael Jacquemont, Luca Foffano, Akira Okumura, Julian Sitarek, D. della Volpe, Heide Costantini, Takashi Saito, I. Agudo, Andrii Nagai, Mosè Mariotti, Reiko Orito, Inocencio Monteiro, Thierry Le Flour, Jan Lukas Schubert, Mathieu de Bony de Lavergne, Petra Marusevec, Davide Depaoli, Shunsuke Sakurai, and Seiya Nozaki

Subjects
Physics, Astrophysics::High Energy Astrophysical Phenomena, Monte Carlo method, Astrophysics::Instrumentation and Methods for Astrophysics, Gamma ray, Astronomy, Cherenkov Telescope Array, law.invention, Telescope, Crab Nebula, law, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Galaxy Astrophysics, Large size
Abstract

The Large-Sized Telescope (LST) prototype of the future Cherenkov Telescope Array (CTA) is located at the Northern site of CTA, on the Canary Island of La Palma. It is designed to provide optimal performance in the lowest part of the energy range covered by CTA, observing gamma rays down to energies of tens of GeV. The LST prototype started performing astronomical observations in November 2019 during the commissioning of the telescope and it has been taking data since then. In this contribution, we will present the tuning of the characteristics of the telescope in the Monte Carlo (MC) simulations to describe the data obtained, the estimation of its angular and energy resolution, and an evaluation of its sensitivity, both with simulations and with observations of the Crab Nebula.

Published
2021

3. Development of an advanced SiPM camera for the Large Size Telescope of the Cherenkov TelescopeArray Observatory

Author

Miroslav Hrabovsky, Ks Cheng, Michiyuki Chikawa, Shuichi Gunji, David H. Green, Rune Michael Dominik, R. C. Shellard, W. Rhode, Davide Miceli, Juliane van Scherpenberg, Daniela Dorner, Alexander Hahn, Alessia Spolon, Léa Jouvin, Noah Biederbeck, Vladimir Karas, Maurizio Iori, Aya Bamba, D. Dominis Prester, Arnau Aguasca, Mykhailo Dalchenko, Ryuji Takeishi, Dominik Elsässer, Vassil Verguilov, Daniel Mazin, Alessandro De Angelis, Enrique Garcia, Vitalii Sliusar, David Sanchez, Yukikatsu Terada, Teresa Montaruli, Gabriel Emery, Petar Temnikov, Juan Escudero, Enrique Mestre Guillen, Koji Noda, Dirk Hoffmann, Julien Houles, Francesco Longo, Pol Bordas, Hyuga Abe, Yuji Sunada, Dieter Horns, Ievgen Vovk, Leonardo Baroncelli, Akira Okumura, Dario Hrupec, Alessandra Lamastra, Armand Fiasson, Hiromitsu Takahashi, Patricia Marquez, Gaia Verna, Vincenzo Vitale, M. Cardillo, Oibar Martinez, Marcel Strzys, Julian Sitarek, Pierre Aubert, Heide Costantini, Jonas Hackfeld, Fuyuki Tokanai, Juan Abel Barrio, Dusan Mandat, Mitsunari Takahashi, Martin Makariev, Tomohiko Oka, Oscar Blanch, Mireia Nievas, Daniela Hadasch, Yusuke Inome, Daniel Morcuende, Jose Luis Contreras, Tokonatsu Yamamoto, Miguel Polo, Marina Manganaro, Shuta Tanaka, Kohta Murase, Inocencio Monteiro, Kyoshi Nishijima, Tsunefumi Mizuno, Ali Baktash, Yoshiki Ohtani, Juan Cortina, Matteo Cerruti, Marcos López-Moya, Takeshi Nakamori, Martin Vacula, Alessandro Carosi, Shunsuke Sakurai, Gilles Maurin, Federico Di Pierro, Luis David Medina Miranda, Alice Donini, Ruben Lopez-Coto, Vincent Poireau, Lukas Nickel, Kazuma Ishio, Carlos Díaz, Yasushi Fukazawa, Andrea Bulgarelli, Diego F. Torres, Ciro Bigongiari, Jumpei Takata, Elena Moretti, Irene Jiménez Martínez, Dai Tateishi, Jakub Juryšek, Pratik Majumdar, Luis Ángel Tejedor, Jose Miguel Miranda, Michele Doro, Thomas Schweizer, Guillaume Deleglise, Mabel Bernardos, Ladislav Chytka, Mario Pecimotika, Elisa Prandini, Riccardo Rando, Martin Will, Chaitanya Priyadarshi, Jorge Otero-Santos, Pedro L. Luque-Escamilla, Riccardo Paoletti, Seiya Nozaki, Tjark Miener, David Paneque, German Martinez, Daniel Kerszberg, Jan Lukas Schubert, Satoshi Fukami, Dalibor Nosek, Jelena Strišković, P. Thomas Tam, Stefano Truzzi, Michele Palatiello, Ulisses Barres de Almeida, Josep M. Paredes, Petra Marusevec, David Hui, Halim Ashkar, Franca Cassol, Jun Kataoka, Sami Caroff, Junko Kushida, Takanori Yoshikoshi, A. Morselli, Masahiro Teshima, Saša Mićanović, Monica Seglar Arroyo, Lovro Pavletić, Tarek M. Hassan, Marc Ribó, Ivana Batković, R. Walter, Ilaria Viale, Kohei Hayashi, Giovanni Lamanna, Hidetoshi Kubo, Tomohiro Inada, Josep Martí, Abelardo Moralejo, Hideaki Katagiri, Michiko Ohishi, Thomas Vuillaume, Bernd Schleicher, Edgar Molina, K. Hirotani, Hiroyasu Tajima, Mika Kagaya, Matthieu Heller, Giovanni Marsella, Pietro Grespan, Lluis Freixas Coromina, Louis Antonelli, Nao Okazaki, Daniel Nieto, Moritz Hütten, Ramon J. García López, Martin Tluczykont, Michael Prouza, Razmik Mirzoyan, Carlos Delgado, Lea Heckmann, Francesco Gabriele Saturni, Yating Chai, Andrii Nagai, Mosè Mariotti, Pawel Gliwny, Nicola Giglietto, Darko Zarić, Toni Šarić, Andrea Rugliancich, Mathieu de Bony de Lavergne, Javier Herrera Llorente, Mario Buscemi, Karlo Mrakovcic, Petr Travnicek, Monica Vazquez Acosta, Mikael Jacquemont, Luca Foffano, D. della Volpe, Karl Mannheim, M. Nöthe, Alicia López-Oramas, Alessio Berti, Fabian Schüssler, Julie Prast, Alvaro Mas, Manuel Artero, Tomislav Terzić, Andres Baquero Larriva, Katsuaki Asano, Maria Victoria Fonseca, Albert Kong, M. I. Martínez, Miroslav Pech, Jose Enrique Ruiz, Nikola Godinovic, Yusuke Suda, Carlo Vigorito, Ryo Yamazaki, Thomas Armstrong, Tatsuo Yoshida, Davide Depaoli, Irene Burelli, Carla Aramo, Vincenzo Rizi, Leonardo Di Venere, Thierry Le Flour, Jordi Delgado Mengual, Francesco Giordano, Yuki Iwamura, Takashi Saito, I. Agudo, Reiko Orito, Yukiho Kobayashi, Giacomo Bonnoli, Debanjan Bose, and Josefa González

Subjects
Telescope, Photomultiplier, Silicon photomultiplier, Pixel, Duty cycle, Computer science, law, Observatory, Electronic engineering, Cherenkov Telescope Array, Cherenkov radiation, law.invention
Abstract

Silicon photomultipliers (SiPMs) have become the baseline choice for cameras of the small-sized telescopes (SSTs) of the Cherenkov Telescope Array (CTA). On the other hand, SiPMs are relatively new to the field and covering large surfaces and operating at high data rates still are challenges to outperform photomultipliers (PMTs). The higher sensitivity in the near infra-red and longer signals compared to PMTs result in higher night sky background rate for SiPMs. However, the robustness of the SiPMs represents a unique opportunity to ensure long-term operation with low maintenance and better duty cycle than PMTs. The proposed camera for large size telescopes will feature 0.05 degree pixels, low power and fast front-end electronics and a fully digital readout. In this work, we present the status of dedicated simulations and data analysis for the performance estimation. The design features and the different strategies identified, so far, to tackle the demanding requirements and the improved performance are described.

Published
2021

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