The Square Kilometre Array (SKA) will be the world’s largest radio telescope. Even in its first stage of deployment (SKA1) it will enable transformational science on a very broad range of scientific objectives. The year 2019 is pivotal for the SKA, as it sees both the transition between the design and construction phases, and between the current Organization and the SKA Observatory as an Inter-Governmental Organization. The SKA will share the stage with several other instruments targeting other wavelengths and other messengers: LIGO, JWST, ALMA, E-ELT, CTA, ATHENA, just to cite some of them. Coordinated observations between these facilities can result in greatly enhanced scientific discoveries, and give the potential to progress our understanding of a wide range of astronomical sources and phenomena.
{"title":"SKA Science and Coordination with Multi-messenger facilities","authors":"A. Bonaldi, E. Keane, R. Bolton, A. Chrysostomou","doi":"10.22323/1.357.0016","DOIUrl":"https://doi.org/10.22323/1.357.0016","url":null,"abstract":"The Square Kilometre Array (SKA) will be the world’s largest radio telescope. Even in its first stage of deployment (SKA1) it will enable transformational science on a very broad range of scientific objectives. The year 2019 is pivotal for the SKA, as it sees both the transition between the design and construction phases, and between the current Organization and the SKA Observatory as an Inter-Governmental Organization. The SKA will share the stage with several other instruments targeting other wavelengths and other messengers: LIGO, JWST, ALMA, E-ELT, CTA, ATHENA, just to cite some of them. Coordinated observations between these facilities can result in greatly enhanced scientific discoveries, and give the potential to progress our understanding of a wide range of astronomical sources and phenomena.","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129599121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Mourard, S. Matheussen, S. Berry, G. Cimò, M. Cirasuolo, R. Meer, P. Padovani, E. Wolf
{"title":"About policies for multi-wavelengths/multi-messenger astrophysics","authors":"D. Mourard, S. Matheussen, S. Berry, G. Cimò, M. Cirasuolo, R. Meer, P. Padovani, E. Wolf","doi":"10.22323/1.357.0055","DOIUrl":"https://doi.org/10.22323/1.357.0055","url":null,"abstract":"","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115943945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Ribó, A. Berti, L. Antonelli, J. Becerra-González, Ž. Bošnjak, S. Covino, B. Lotto, F. Puppo, S. Inoue, F. Longo, D. Miceli, E. Moretti, L. Nava, B. Patricelli, A. Stamerra
A. Berti∗1, M. Ribó2, L.A. Antonelli3, J. Becerra González4, Z̆. Bos̆njak5, S. Covino6, B. De Lotto7, F. Del Puppo8, S. Inoue9, F. Longo8, D. Miceli7, E. Moretti10, L. Nava6, B. Patricelli11, A. Stamerra3 for the MAGIC Collaboration 1University of Torino and INFN Torino, Torino, Italy 2Universitat de Barcelona, ICCUB, IEEC-UB, Barcelona, Spain 3INAF, Rome, Italy, 4IAC and Universidad de La Laguna, Tenerife, Spain 5Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia 6INAF, Osservatorio Astronomico di Brera, Merate, Italy 7University of Udine and INFN Trieste, Udine, Italy 8University and INFN Trieste, Trieste, Italy 9RIKEN, Wako, Saitama, Japan, 10IFAE-BIST, Bellaterra (Barcelona), Spain 11University and INFN Pisa, Pisa, Italy E-mail: Alessio.Berti@to.infn.it
{"title":"MAGIC follow-up of gravitational wave events in the third LIGO/Virgo observation run","authors":"M. Ribó, A. Berti, L. Antonelli, J. Becerra-González, Ž. Bošnjak, S. Covino, B. Lotto, F. Puppo, S. Inoue, F. Longo, D. Miceli, E. Moretti, L. Nava, B. Patricelli, A. Stamerra","doi":"10.22323/1.357.0067","DOIUrl":"https://doi.org/10.22323/1.357.0067","url":null,"abstract":"A. Berti∗1, M. Ribó2, L.A. Antonelli3, J. Becerra González4, Z̆. Bos̆njak5, S. Covino6, B. De Lotto7, F. Del Puppo8, S. Inoue9, F. Longo8, D. Miceli7, E. Moretti10, L. Nava6, B. Patricelli11, A. Stamerra3 for the MAGIC Collaboration 1University of Torino and INFN Torino, Torino, Italy 2Universitat de Barcelona, ICCUB, IEEC-UB, Barcelona, Spain 3INAF, Rome, Italy, 4IAC and Universidad de La Laguna, Tenerife, Spain 5Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia 6INAF, Osservatorio Astronomico di Brera, Merate, Italy 7University of Udine and INFN Trieste, Udine, Italy 8University and INFN Trieste, Trieste, Italy 9RIKEN, Wako, Saitama, Japan, 10IFAE-BIST, Bellaterra (Barcelona), Spain 11University and INFN Pisa, Pisa, Italy E-mail: Alessio.Berti@to.infn.it","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117082610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Morcuende, J. Rosado, J. Contreras, F. Arqueros
Several techniques inside Astroparticle Physics use Extensive Air Showers (EAS) as a proxy to study very energetic particles that reach Earth. EAS themselves are detected through different means, among them the measurement of Cherenkov or fluorescence radiation produced in them. A detailed simulation of EAS is mandatory to develop, test and use these techniques. In this respect the most popular simulation program is the CORSIKA code. This code includes the Cherenkov emission but not the fluorescence one. In a previous work, we introduced the fluorescence emission in CORSIKA and showed first quantitative results on the fluorescence contamination in Cherenkov telescopes, either imaging or non-imaging ones. In this paper, we report on progress made in this work and discuss possible future applications in several currently operating Cherenkov observatories as well as in the design of future innovative Astroparticle Physics observatories.
{"title":"Simulation of fluorescence radiation for Cherenkov observatories","authors":"D. Morcuende, J. Rosado, J. Contreras, F. Arqueros","doi":"10.22323/1.357.0054","DOIUrl":"https://doi.org/10.22323/1.357.0054","url":null,"abstract":"Several techniques inside Astroparticle Physics use Extensive Air Showers (EAS) as a proxy to study very energetic particles that reach Earth. EAS themselves are detected through different means, among them the measurement of Cherenkov or fluorescence radiation produced in them. A detailed simulation of EAS is mandatory to develop, test and use these techniques. In this respect the most popular simulation program is the CORSIKA code. \u0000This code includes the Cherenkov emission but not the fluorescence one. In a previous work, we introduced the fluorescence emission in CORSIKA and showed first quantitative results on the fluorescence contamination in Cherenkov telescopes, either imaging or non-imaging ones. In this paper, we report on progress made in this work and discuss possible future applications in several currently operating Cherenkov observatories as well as in the design of future innovative Astroparticle Physics observatories.","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129560856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correlation of IceCube neutrinos with 2MRS","authors":"S. Sclafani","doi":"10.22323/1.357.0073","DOIUrl":"https://doi.org/10.22323/1.357.0073","url":null,"abstract":"","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"130 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130220101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The goal of ASTERICS WP4 (Data Access, Discovery and Interoperability) was to ensure that the ESFRI products become openly accessible via the Virtual Observatory framework to the international community. Training activities to efficiently use these new resources was identified as one of the important objectives within this work package. In this context, four Virtual Observatory (VO) schools were organised with a twofold objective:
{"title":"The ASTERICS Virtual Observatory schools. Getting closer to the astronomical community","authors":"E. Solano, A. N. Gómez-Morán, F. Genova","doi":"10.22323/1.357.0075","DOIUrl":"https://doi.org/10.22323/1.357.0075","url":null,"abstract":"The goal of ASTERICS WP4 (Data Access, Discovery and Interoperability) was to ensure that the ESFRI products become openly accessible via the Virtual Observatory framework to the international community. Training activities to efficiently use these new resources was identified as one of the important objectives within this work package. In this context, four Virtual Observatory (VO) schools were organised with a twofold objective:","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134061640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ROAst (ROot extension for Astronomy)","authors":"B. Spisso, C. Bozza, R. Coniglione","doi":"10.22323/1.357.0077","DOIUrl":"https://doi.org/10.22323/1.357.0077","url":null,"abstract":"","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123822435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The scientific potential of the Cherenkov Telescope Array (CTA) is extremely broad: from understanding the role of relativistic cosmic particles, to the search for dark matter. CTA will be an explorer of the extreme universe, surveying the high-energy sky hundreds of times faster than previous TeV telescopes. The angular resolution of CTA will approach 1 arc-minute at highenergies – the best resolution of any instrument above the X-ray band. With over an order-ofmagnitude collection area improvement, CTA will be, for example, three orders of magnitude more sensitive on hour timescales than the Fermi-LAT at the 30 GeV range. Furthermore, the observatory will operate arrays on sites in both hemispheres to provide full sky coverage and hence maximize its discovery potential of rare phenomena such as nearby supernovae, GRBs or gravitational wave transients. The first CTA telescope has been inaugurated in the Canary Islands in 2018, and as more telescopes are added in the coming years, flexible operation will be possible, with sub-arrays available for performing specific tasks. All this considered, CTA will have important synergies with many of the new generation, major astronomical and astroparticle observatories. Multi-wavelength and multi-messenger approaches combining CTA data with those from other instruments will lead to a deeper understanding of the broad-band non-thermal properties of target sources, elucidating the nature and environment of gamma-ray emitters. In this talk I will introduce the broad scope of CTA science, and present some specific science cases and multi-instrumental synergies, as well as the potential for cooperation of other wavebands and astronomical messengers with CTA.
{"title":"Science with the Cherenkov Telescope Array: The Multi-wavelength and multi-messenger scene","authors":"U. D. Almeida","doi":"10.22323/1.357.0007","DOIUrl":"https://doi.org/10.22323/1.357.0007","url":null,"abstract":"The scientific potential of the Cherenkov Telescope Array (CTA) is extremely broad: from understanding the role of relativistic cosmic particles, to the search for dark matter. CTA will be an explorer of the extreme universe, surveying the high-energy sky hundreds of times faster than previous TeV telescopes. The angular resolution of CTA will approach 1 arc-minute at highenergies – the best resolution of any instrument above the X-ray band. With over an order-ofmagnitude collection area improvement, CTA will be, for example, three orders of magnitude more sensitive on hour timescales than the Fermi-LAT at the 30 GeV range. Furthermore, the observatory will operate arrays on sites in both hemispheres to provide full sky coverage and hence maximize its discovery potential of rare phenomena such as nearby supernovae, GRBs or gravitational wave transients. The first CTA telescope has been inaugurated in the Canary Islands in 2018, and as more telescopes are added in the coming years, flexible operation will be possible, with sub-arrays available for performing specific tasks. All this considered, CTA will have important synergies with many of the new generation, major astronomical and astroparticle observatories. Multi-wavelength and multi-messenger approaches combining CTA data with those from other instruments will lead to a deeper understanding of the broad-band non-thermal properties of target sources, elucidating the nature and environment of gamma-ray emitters. In this talk I will introduce the broad scope of CTA science, and present some specific science cases and multi-instrumental synergies, as well as the potential for cooperation of other wavebands and astronomical messengers with CTA.","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132156999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The Astrophysical Multimessenger Observatory Network (AMON) has been working to link the world’s high-energy and multimessenger observatories together into a single network in order to evoke discovery of multimessenger sources, exploit these sources for purposes of astrophysics, fundamental physics, and cosmology, and explore project datasets for evidence of multimessenger source populations. AMON has been working to commission multiple multimessenger alert streams, including gravitational wave + gamma-ray (GW+γ) and high energy neutrino + gammaray (ν+γ) coincidence alerts. One such ν+γ alert stream, now in an advanced stage of development, will search in near real-time for statistically-rare coincidences between ∼TeV gamma-rays observed by the High-Water Altitude Cherenkov Observatory (HAWC) and ∼>TeV neutrinos detected by the IceCube Neutrino Observatory. We describe the statistical design, calibration, and validation of these HAWC and IceCube ν+γ alerts, which will be commissioned soon and made available to AMON follow-up partners under terms of the AMON MoU. With a median delay to alert distribution of six hours and angular uncertainties of ∼<1 ◦, the alerts should be well-suited for deep electromagnetic follow-up observations.
{"title":"AMON: Multimessenger Alerts from High-Energy Gamma Rays and Neutrinos","authors":"H. Ayala","doi":"10.22323/1.357.0006","DOIUrl":"https://doi.org/10.22323/1.357.0006","url":null,"abstract":"The Astrophysical Multimessenger Observatory Network (AMON) has been working to link the world’s high-energy and multimessenger observatories together into a single network in order to evoke discovery of multimessenger sources, exploit these sources for purposes of astrophysics, fundamental physics, and cosmology, and explore project datasets for evidence of multimessenger source populations. AMON has been working to commission multiple multimessenger alert streams, including gravitational wave + gamma-ray (GW+γ) and high energy neutrino + gammaray (ν+γ) coincidence alerts. One such ν+γ alert stream, now in an advanced stage of development, will search in near real-time for statistically-rare coincidences between ∼TeV gamma-rays observed by the High-Water Altitude Cherenkov Observatory (HAWC) and ∼>TeV neutrinos detected by the IceCube Neutrino Observatory. We describe the statistical design, calibration, and validation of these HAWC and IceCube ν+γ alerts, which will be commissioned soon and made available to AMON follow-up partners under terms of the AMON MoU. With a median delay to alert distribution of six hours and angular uncertainties of ∼<1 ◦, the alerts should be well-suited for deep electromagnetic follow-up observations.","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126183101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Since the detection of high-energy cosmic neutrinos at the IceCube Neutrino Observatory in 2013, there has been an on-going search to find the origins of this flux. Despite recent evidence identifying a flaring blazar as a possible neutrino source, the vast majority of the diffuse neutrino flux measured by IceCube remains unexplained. Here, the latest IceCube results testing time-dependent correlation between neutrinos and Tidal Disruption Events (TDEs) are presented, limiting the contribution of jetted and non-jetted TDEs to the diffuse astrophysical neutrino flux to be less than 1.3% and 26% respectively at 90% confidence level. In addition, a dedicated search for neutrinos from the extraordinary transient AT2018cow are presented, and upper limits on the integrated neutrino emission are derived. Expected improvements from new and upcoming time domain optical surveys (such as ZTF and LSST) are also introduced.
{"title":"Search for High-Energy Neutrinos from Populations of Optical Transients","authors":"R. Stein","doi":"10.22323/1.357.0078","DOIUrl":"https://doi.org/10.22323/1.357.0078","url":null,"abstract":"Since the detection of high-energy cosmic neutrinos at the IceCube Neutrino Observatory in 2013, there has been an on-going search to find the origins of this flux. Despite recent evidence identifying a flaring blazar as a possible neutrino source, the vast majority of the diffuse neutrino flux measured by IceCube remains unexplained. Here, the latest IceCube results testing time-dependent correlation between neutrinos and Tidal Disruption Events (TDEs) are presented, limiting the contribution of jetted and non-jetted TDEs to the diffuse astrophysical neutrino flux to be less than 1.3% and 26% respectively at 90% confidence level. In addition, a dedicated search for neutrinos from the extraordinary transient AT2018cow are presented, and upper limits on the integrated neutrino emission are derived. Expected improvements from new and upcoming time domain optical surveys (such as ZTF and LSST) are also introduced.","PeriodicalId":257968,"journal":{"name":"Proceedings of The New Era of Multi-Messenger Astrophysics — PoS(Asterics2019)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130562403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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