The on-site analysis of the cherenkov telescope array

Andrea Bulgarelli, Valentina Fioretti, Andrea Zoli, Alessio Aboudan, Juan José Rodríguez-Vázquez, Giovanni De Cesare, Adriano De Rosa, Gernot Maier, Etienne Lyard, Denis Bastieri, Saverio Lombardi, Gino Tosti, Sonia Bergamaschi, Domenico Beneventano, Giovanni Lamanna, Jean Jacquemier, Karl Kosack, Lucio Angelo Antonelli, Catherine Boisson, Jerzy Borkowski & 37 others Sara Buson, Alessandro Carosi, Vito Conforti, Pep Colomé, Raquel De Los Reyes, Jon Dumm, Phil Evans, Lucy Fortson, Matthias Fuessling, Diego Gotz, Ricardo Graciani, Fulvio Gianotti, Paola Grandi, Jim Hinton, Brian Humensky, Susumu Inoue, Jürgen Knödlseder, Thierry Le Flour, Rico Lindemann, Giuseppe Malaguti, Sera Markoff, Martino Marisaldi, Nadine Neyroud, Luciano Nicastro, Stefan Ohm, Julian Osborne, Igor Oya, Jerome Rodriguez, Simon Rosen, Marc Ribo, Alessandro Tacchini, Fabian Schüssle, Thierry Stolarczyk, Eleonora Torresi, Vincenzo Testa, Peter Wegner, Amanda Weinstein

Research output: Contribution to journalConference article

Abstract

The Cherenkov Telescope Array (CTA) observatory will be one of the largest ground-based veryhigh- energy gamma-ray observatories. The On-Site Analysis will be the first CTA scientific analysis of data acquired from the array of telescopes, in both northern and southern sites. The On-Site Analysis will have two pipelines: the Level-A pipeline (also known as Real-Time Analysis, RTA) and the level-B one. The RTA performs data quality monitoring and must be able to issue automated alerts on variable and transient astrophysical sources within 30 seconds from the last acquired Cherenkov event that contributes to the alert, with a sensitivity not worse than the one achieved by the final pipeline by more than a factor of 3. The Level-B Analysis has a better sensitivity (not be worse than the final one by a factor of 2) and the results should be available within 10 hours from the acquisition of the data: for this reason this analysis could be performed at the end of an observation or next morning. The latency (in particular for the RTA) and the sensitivity requirements are challenging because of the large data rate, a few GByte/s. The remote connection to the CTA candidate site with a rather limited network bandwidth makes the issue of the exported data size extremely critical and prevents any kind of processing in real-time of the data outside the site of the telescopes. For these reasons the analysis will be performed on-site with infrastructures co-located with the telescopes, with limited electrical power availability and with a reduced possibility of human intervention. This means, for example, that the on-site hardware infrastructure should have low-power consumption. A substantial effort towards the optimization of high-throughput computing service is envisioned to provide hardware and software solutions with high-throughput, low-power consumption at a low-cost. This contribution provides a summary of the design of the on-site analysis and reports some prototyping activities.

Original languageEnglish (US)
Article number763
JournalProceedings of Science
Volume30-July-2015
StatePublished - Jan 1 2015
Event34th International Cosmic Ray Conference, ICRC 2015 - The Hague, Netherlands
Duration: Jul 30 2015Aug 6 2015

Fingerprint

telescopes
sensitivity
hardware
Gamma Ray Observatory
morning
availability
acquisition
observatories
astrophysics
bandwidth
computer programs
requirements
optimization
energy

Cite this

Bulgarelli, A., Fioretti, V., Zoli, A., Aboudan, A., Rodríguez-Vázquez, J. J., De Cesare, G., ... Weinstein, A. (2015). The on-site analysis of the cherenkov telescope array. Proceedings of Science, 30-July-2015, [763].

The on-site analysis of the cherenkov telescope array. / Bulgarelli, Andrea; Fioretti, Valentina; Zoli, Andrea; Aboudan, Alessio; Rodríguez-Vázquez, Juan José; De Cesare, Giovanni; De Rosa, Adriano; Maier, Gernot; Lyard, Etienne; Bastieri, Denis; Lombardi, Saverio; Tosti, Gino; Bergamaschi, Sonia; Beneventano, Domenico; Lamanna, Giovanni; Jacquemier, Jean; Kosack, Karl; Angelo Antonelli, Lucio; Boisson, Catherine; Borkowski, Jerzy; Buson, Sara; Carosi, Alessandro; Conforti, Vito; Colomé, Pep; De Los Reyes, Raquel; Dumm, Jon; Evans, Phil; Fortson, Lucy; Fuessling, Matthias; Gotz, Diego; Graciani, Ricardo; Gianotti, Fulvio; Grandi, Paola; Hinton, Jim; Humensky, Brian; Inoue, Susumu; Knödlseder, Jürgen; Le Flour, Thierry; Lindemann, Rico; Malaguti, Giuseppe; Markoff, Sera; Marisaldi, Martino; Neyroud, Nadine; Nicastro, Luciano; Ohm, Stefan; Osborne, Julian; Oya, Igor; Rodriguez, Jerome; Rosen, Simon; Ribo, Marc; Tacchini, Alessandro; Schüssle, Fabian; Stolarczyk, Thierry; Torresi, Eleonora; Testa, Vincenzo; Wegner, Peter; Weinstein, Amanda.

In: Proceedings of Science, Vol. 30-July-2015, 763, 01.01.2015.

Research output: Contribution to journalConference article

Bulgarelli, A, Fioretti, V, Zoli, A, Aboudan, A, Rodríguez-Vázquez, JJ, De Cesare, G, De Rosa, A, Maier, G, Lyard, E, Bastieri, D, Lombardi, S, Tosti, G, Bergamaschi, S, Beneventano, D, Lamanna, G, Jacquemier, J, Kosack, K, Angelo Antonelli, L, Boisson, C, Borkowski, J, Buson, S, Carosi, A, Conforti, V, Colomé, P, De Los Reyes, R, Dumm, J, Evans, P, Fortson, L, Fuessling, M, Gotz, D, Graciani, R, Gianotti, F, Grandi, P, Hinton, J, Humensky, B, Inoue, S, Knödlseder, J, Le Flour, T, Lindemann, R, Malaguti, G, Markoff, S, Marisaldi, M, Neyroud, N, Nicastro, L, Ohm, S, Osborne, J, Oya, I, Rodriguez, J, Rosen, S, Ribo, M, Tacchini, A, Schüssle, F, Stolarczyk, T, Torresi, E, Testa, V, Wegner, P & Weinstein, A 2015, 'The on-site analysis of the cherenkov telescope array', Proceedings of Science, vol. 30-July-2015, 763.
Bulgarelli A, Fioretti V, Zoli A, Aboudan A, Rodríguez-Vázquez JJ, De Cesare G et al. The on-site analysis of the cherenkov telescope array. Proceedings of Science. 2015 Jan 1;30-July-2015. 763.
Bulgarelli, Andrea ; Fioretti, Valentina ; Zoli, Andrea ; Aboudan, Alessio ; Rodríguez-Vázquez, Juan José ; De Cesare, Giovanni ; De Rosa, Adriano ; Maier, Gernot ; Lyard, Etienne ; Bastieri, Denis ; Lombardi, Saverio ; Tosti, Gino ; Bergamaschi, Sonia ; Beneventano, Domenico ; Lamanna, Giovanni ; Jacquemier, Jean ; Kosack, Karl ; Angelo Antonelli, Lucio ; Boisson, Catherine ; Borkowski, Jerzy ; Buson, Sara ; Carosi, Alessandro ; Conforti, Vito ; Colomé, Pep ; De Los Reyes, Raquel ; Dumm, Jon ; Evans, Phil ; Fortson, Lucy ; Fuessling, Matthias ; Gotz, Diego ; Graciani, Ricardo ; Gianotti, Fulvio ; Grandi, Paola ; Hinton, Jim ; Humensky, Brian ; Inoue, Susumu ; Knödlseder, Jürgen ; Le Flour, Thierry ; Lindemann, Rico ; Malaguti, Giuseppe ; Markoff, Sera ; Marisaldi, Martino ; Neyroud, Nadine ; Nicastro, Luciano ; Ohm, Stefan ; Osborne, Julian ; Oya, Igor ; Rodriguez, Jerome ; Rosen, Simon ; Ribo, Marc ; Tacchini, Alessandro ; Schüssle, Fabian ; Stolarczyk, Thierry ; Torresi, Eleonora ; Testa, Vincenzo ; Wegner, Peter ; Weinstein, Amanda. / The on-site analysis of the cherenkov telescope array. In: Proceedings of Science. 2015 ; Vol. 30-July-2015.
@article{bc02b74804644509a63f9378e90907fa,
title = "The on-site analysis of the cherenkov telescope array",
abstract = "The Cherenkov Telescope Array (CTA) observatory will be one of the largest ground-based veryhigh- energy gamma-ray observatories. The On-Site Analysis will be the first CTA scientific analysis of data acquired from the array of telescopes, in both northern and southern sites. The On-Site Analysis will have two pipelines: the Level-A pipeline (also known as Real-Time Analysis, RTA) and the level-B one. The RTA performs data quality monitoring and must be able to issue automated alerts on variable and transient astrophysical sources within 30 seconds from the last acquired Cherenkov event that contributes to the alert, with a sensitivity not worse than the one achieved by the final pipeline by more than a factor of 3. The Level-B Analysis has a better sensitivity (not be worse than the final one by a factor of 2) and the results should be available within 10 hours from the acquisition of the data: for this reason this analysis could be performed at the end of an observation or next morning. The latency (in particular for the RTA) and the sensitivity requirements are challenging because of the large data rate, a few GByte/s. The remote connection to the CTA candidate site with a rather limited network bandwidth makes the issue of the exported data size extremely critical and prevents any kind of processing in real-time of the data outside the site of the telescopes. For these reasons the analysis will be performed on-site with infrastructures co-located with the telescopes, with limited electrical power availability and with a reduced possibility of human intervention. This means, for example, that the on-site hardware infrastructure should have low-power consumption. A substantial effort towards the optimization of high-throughput computing service is envisioned to provide hardware and software solutions with high-throughput, low-power consumption at a low-cost. This contribution provides a summary of the design of the on-site analysis and reports some prototyping activities.",
author = "Andrea Bulgarelli and Valentina Fioretti and Andrea Zoli and Alessio Aboudan and Rodr{\'i}guez-V{\'a}zquez, {Juan Jos{\'e}} and {De Cesare}, Giovanni and {De Rosa}, Adriano and Gernot Maier and Etienne Lyard and Denis Bastieri and Saverio Lombardi and Gino Tosti and Sonia Bergamaschi and Domenico Beneventano and Giovanni Lamanna and Jean Jacquemier and Karl Kosack and {Angelo Antonelli}, Lucio and Catherine Boisson and Jerzy Borkowski and Sara Buson and Alessandro Carosi and Vito Conforti and Pep Colom{\'e} and {De Los Reyes}, Raquel and Jon Dumm and Phil Evans and Lucy Fortson and Matthias Fuessling and Diego Gotz and Ricardo Graciani and Fulvio Gianotti and Paola Grandi and Jim Hinton and Brian Humensky and Susumu Inoue and J{\"u}rgen Kn{\"o}dlseder and {Le Flour}, Thierry and Rico Lindemann and Giuseppe Malaguti and Sera Markoff and Martino Marisaldi and Nadine Neyroud and Luciano Nicastro and Stefan Ohm and Julian Osborne and Igor Oya and Jerome Rodriguez and Simon Rosen and Marc Ribo and Alessandro Tacchini and Fabian Sch{\"u}ssle and Thierry Stolarczyk and Eleonora Torresi and Vincenzo Testa and Peter Wegner and Amanda Weinstein",
year = "2015",
month = "1",
day = "1",
language = "English (US)",
volume = "30-July-2015",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Sissa Medialab Srl",

}

TY - JOUR

T1 - The on-site analysis of the cherenkov telescope array

AU - Bulgarelli, Andrea

AU - Fioretti, Valentina

AU - Zoli, Andrea

AU - Aboudan, Alessio

AU - Rodríguez-Vázquez, Juan José

AU - De Cesare, Giovanni

AU - De Rosa, Adriano

AU - Maier, Gernot

AU - Lyard, Etienne

AU - Bastieri, Denis

AU - Lombardi, Saverio

AU - Tosti, Gino

AU - Bergamaschi, Sonia

AU - Beneventano, Domenico

AU - Lamanna, Giovanni

AU - Jacquemier, Jean

AU - Kosack, Karl

AU - Angelo Antonelli, Lucio

AU - Boisson, Catherine

AU - Borkowski, Jerzy

AU - Buson, Sara

AU - Carosi, Alessandro

AU - Conforti, Vito

AU - Colomé, Pep

AU - De Los Reyes, Raquel

AU - Dumm, Jon

AU - Evans, Phil

AU - Fortson, Lucy

AU - Fuessling, Matthias

AU - Gotz, Diego

AU - Graciani, Ricardo

AU - Gianotti, Fulvio

AU - Grandi, Paola

AU - Hinton, Jim

AU - Humensky, Brian

AU - Inoue, Susumu

AU - Knödlseder, Jürgen

AU - Le Flour, Thierry

AU - Lindemann, Rico

AU - Malaguti, Giuseppe

AU - Markoff, Sera

AU - Marisaldi, Martino

AU - Neyroud, Nadine

AU - Nicastro, Luciano

AU - Ohm, Stefan

AU - Osborne, Julian

AU - Oya, Igor

AU - Rodriguez, Jerome

AU - Rosen, Simon

AU - Ribo, Marc

AU - Tacchini, Alessandro

AU - Schüssle, Fabian

AU - Stolarczyk, Thierry

AU - Torresi, Eleonora

AU - Testa, Vincenzo

AU - Wegner, Peter

AU - Weinstein, Amanda

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The Cherenkov Telescope Array (CTA) observatory will be one of the largest ground-based veryhigh- energy gamma-ray observatories. The On-Site Analysis will be the first CTA scientific analysis of data acquired from the array of telescopes, in both northern and southern sites. The On-Site Analysis will have two pipelines: the Level-A pipeline (also known as Real-Time Analysis, RTA) and the level-B one. The RTA performs data quality monitoring and must be able to issue automated alerts on variable and transient astrophysical sources within 30 seconds from the last acquired Cherenkov event that contributes to the alert, with a sensitivity not worse than the one achieved by the final pipeline by more than a factor of 3. The Level-B Analysis has a better sensitivity (not be worse than the final one by a factor of 2) and the results should be available within 10 hours from the acquisition of the data: for this reason this analysis could be performed at the end of an observation or next morning. The latency (in particular for the RTA) and the sensitivity requirements are challenging because of the large data rate, a few GByte/s. The remote connection to the CTA candidate site with a rather limited network bandwidth makes the issue of the exported data size extremely critical and prevents any kind of processing in real-time of the data outside the site of the telescopes. For these reasons the analysis will be performed on-site with infrastructures co-located with the telescopes, with limited electrical power availability and with a reduced possibility of human intervention. This means, for example, that the on-site hardware infrastructure should have low-power consumption. A substantial effort towards the optimization of high-throughput computing service is envisioned to provide hardware and software solutions with high-throughput, low-power consumption at a low-cost. This contribution provides a summary of the design of the on-site analysis and reports some prototyping activities.

AB - The Cherenkov Telescope Array (CTA) observatory will be one of the largest ground-based veryhigh- energy gamma-ray observatories. The On-Site Analysis will be the first CTA scientific analysis of data acquired from the array of telescopes, in both northern and southern sites. The On-Site Analysis will have two pipelines: the Level-A pipeline (also known as Real-Time Analysis, RTA) and the level-B one. The RTA performs data quality monitoring and must be able to issue automated alerts on variable and transient astrophysical sources within 30 seconds from the last acquired Cherenkov event that contributes to the alert, with a sensitivity not worse than the one achieved by the final pipeline by more than a factor of 3. The Level-B Analysis has a better sensitivity (not be worse than the final one by a factor of 2) and the results should be available within 10 hours from the acquisition of the data: for this reason this analysis could be performed at the end of an observation or next morning. The latency (in particular for the RTA) and the sensitivity requirements are challenging because of the large data rate, a few GByte/s. The remote connection to the CTA candidate site with a rather limited network bandwidth makes the issue of the exported data size extremely critical and prevents any kind of processing in real-time of the data outside the site of the telescopes. For these reasons the analysis will be performed on-site with infrastructures co-located with the telescopes, with limited electrical power availability and with a reduced possibility of human intervention. This means, for example, that the on-site hardware infrastructure should have low-power consumption. A substantial effort towards the optimization of high-throughput computing service is envisioned to provide hardware and software solutions with high-throughput, low-power consumption at a low-cost. This contribution provides a summary of the design of the on-site analysis and reports some prototyping activities.

UR - http://www.scopus.com/inward/record.url?scp=84988712279&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84988712279&partnerID=8YFLogxK

M3 - Conference article

VL - 30-July-2015

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

M1 - 763

ER -