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Enhancement of the Sardinia Radio Telescope for The Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies Matteo Murgia (INAF- Osservatorio Astronomico di Cagliari) On behalf of the PON-SRT Team Call for proposals for grants aimed to enhance research infrastructures INAF- Osservatorio INAF – Osservatorio Astronomico di Cagliari Astrofisico di Arcetri INAF- Istituto INAF – Osservatorio di Radioastronomia di Bologna Astrofisico di Catania Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies P-band L-band K-band C-band CURRENT RECEIVERS UNDER CONSTRUCTION PON PROJECT Bolli et al. 2017 tri-band K/Q/W Millimeter VLBI (SRT, Medicina, Noto) Camera 77-103 GHz P-band L-band C-band K-band multibeam Frequency 305-425 MHz 1.3-1.8 GHz 5.7-7.7 GHz 18-26.5 GHz S-band Clow-band Q-band W-band 3.0-4.5 GHz 4.2-5.6 GHz multibeam multibeam 33-50 GHz 70-116 GHz Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies SRT (San Basilio / Gerrei) Upgrade of the laboratories to allow the maintenance of the new instruments. INAF must guarantee that the effects of the enhancement will be mantained for at least 10 years. VLBI Upgrade at high frequencies of the Medicina and Noto antennas that operate, along with the SRT, within the OAC Headquarters (Selargius) Very Long Baseline Interferometry network. Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies K-band Q-band Clow-band Millimeter tri-band camera W-band Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies METROLOGY BACKENDS INTEGRATION HP C DATA ARCHIVE & HPC LABORATORIES Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies TECHNOLOGICAL UPGRADE OF THE INFRASTRUCTURE MAIN Budget 18.7 Meuro CHALLENGE Time scale 32 months (June 2019 – February 2022) STRENGTHENING OF HUMAN CAPITAL 18 AdR (Cagliari, IRA, Arcetri, Catania) Budget 1.4 Meuro Time scale 48 months (November 2020 – November 2024) INAF contributes (with Ministerial funds dedicated to SRT and the VLBI antennas) with a budget of 2.9 Meuro in expenses not accountable through the project. TOTAL 2021–2023 = 51.25 FTE (AVERAGE ~17 FTE/year) Enhancement of the Sardinia Radio Telescope for the study of the Universe at high radio frequencies - STRENGTHENING OF HUMAN CAPITAL Sede Tipo di AdR Durata Descrizione (mesi) 1 Cagliari Post Dottorato 36 AdR scientifico, Supporto alle attività osservative - Ricevitore in Banda W per SRT (75 - 116 GHz) 2 Cagliari Post Dottorato 36 AdR scientifico, Supporto alle attività osservative - Ricevitore in Banda Q per SRT (33 - 55 GHz) 3 Cagliari Post Dottorato 36 AdR scientifico, Supporto alle attività osservative - Camera millimetrica per SRT (80 - 116 GHz) 4 Cagliari Post Dottorato 36 AdR scientifico, Supporto alle attività osservative VLBI – Ricevitore K/Q/W per VLBI 5 Cagliari Post Dottorato 24 AdR scientifico, Supporto alle attività osservative e di scheduling dinamico 6 Cagliari Professionalizzazion 36 AdR tecnologico, Supporto allo sviluppo di software di interfaccia tra i sottosistemi metrologici ed il sistema e di controllo di SRT 7 Cagliari Professionalizzazion 36 AdR tecnologico, Supporto alla gestione sistemistica dei server HPC e storage locale e del sistema di e archiviazione remota dei dati (osservativi, telemetrici, ambientali etc) di SRT 8 Cagliari Post Dottorato 36 AdR tecnologico, Supporto per lo sviluppo di tool software e servizi per l'analisi dati scientifica 9 Cagliari Professionalizzazion 36 AdR tecnologico, con attività di progettista elettronico e 10 Cagliari Professionalizzazion 36 AdR tecnologico, con attività di programmazione software/firmware e 11 Catania Professionalizzazion 12 AdR tecnologico con attività di sviluppo per backends e 12 Catania Post Dottorato 36 AdR scientifico, per studi di oggetti galattici con SRT 13 IRA (Noto) Professionalizzazion 24 AdR tecnologico, con attività di programmazione software per l’integrazione del Ricevitore K/Q/W per VLBI e 14 IRA Post Dottorato 24 AdR scientifico, per studi legati al VLBI 15 IRA Post Dottorato 24 AdR tecnologico, con attività di programmazione per l’integrazione dei ricevitori 16 IRA Post Dottorato 24 AdR tecnologico, con attività di programmazione per l’integrazione dei backends digitali 17 Arcetri Post Dottorato 36 AdR scientifico, per studi con SRT in sinergia con ALMA 18 Arcetri Post Dottorato 36 AdR scientifico, per studi legati al VLBI PON-SRT team organization Team members 88 units (104 member including all the new AdR) PON-SRT team organization PON-SRT team organization PON-SRT team organization PON-SRT team organization Official PON-SRT web site: https://sites.google.com/a/inaf.it/pon-srt SRT receivers after the enhancement Key science cases accessible after the enhancement: - Multi-spectral line observations in molecular clouds and interstellar filaments; - Observations of molecular gas tracers in nearby galaxies; - Spectral Energy Distribution (SED) of galaxies; - Solar studies and Space Weather applications; - Surveys in continuum and in spectro-polarimetry of galactic and extragalactic sources; - Measure of Sunyaev-Zeldovich (SZ) effect in galaxy clusters; - Global Millimeter VLBI observations. M87 (VirgoA) Prandoni et al. (2017) Event Horizon Telescope (EHT) 230 GHz Resolution 25 µarcsec SRT, Medicina, and Noto will be able to observe up to 100 GHz SRT with the VLBI technique, together with the other antennas of 19 GHz the globe. They will be able to reach a resolution that will be Resolution 57 arcsec only two times lower than that of the EHT. Scientific impact expected from the technological enhancement Project sustainability must be guarantee by INAF for the period 2022 – 2032; It is estimated that in the ten years following the upgrade, SRT could collect up to 40,000 hours of scientific data; The astronomical observations with SRT will be made available to the scientific community by means of calls for proposals every six months; The observations will be assigned on a competitive basis for scientific merit by the Time Allocation Committee (TAC) of experts for the INAF radio telescopes; Current SRT annual time allocation Key-Projects PON TAC 2000h 1500h EVN 400h 1800h Used DDT 430h Available Maintenance ASI 0 5 10 15 20 25 30 35 40 Time (%) Scientific impact expected from the technological enhancement Project sustainability must be guarantee by INAF for the period 2022 – 2032; It is estimated that in the ten years following the upgrade, SRT could collect up to 40,000 hours of scientific data; The astronomical observations with SRT will be made available to the scientific community by means of calls for proposals every six months; The observations will be assigned on a competitive basis for scientific merit by the Time Allocation Committee (TAC) of experts for the INAF radio telescopes; Foreseen SRT annual time allocation after enhancement Key-Projects PON 1500h ~4800 h/yr x 10 yr = TAC 2000h 500h 500h ~48,000 hours 530h 270 EVN 400h Used +PON DDT 430h Available Maintenance ASI 0 5 10 15 20 25 30 35 40 Time (%) Scientific impact expected from the technological enhancement Project sustainability must be guarantee by INAF for the period 2022 – 2032; It is estimated that in the ten years following the upgrade, SRT could collect up to 40,000 hours of scientific data; The astronomical observations with SRT will be made available to the scientific community by means of calls for proposals every six months; The observations will be assigned on a competitive basis for scientific merit by the Time Allocation Committee (TAC) of experts for the INAF radio telescopes; Foreseen SRT annual time allocation after enhancement Key-Projects PON 1500h ~4800 h/yr x 10 yr = TAC 2000h 500h 500h ~48,000 hours 530h 270 EVN 400h Used +PON DDTSRT430h successful observing rate: 80% (see Scheda SRT) Available Maintenance With this efficiency now SRT produces 15 refereed paper/yr ASI with 2400 h/yr available 0 5 10 15 20 25 30 35 40 If observing successful rate is maintained, scaling up to 4800 h/yr we expect ~300 publications inTime 10 yr(%) (or an average of ~30 papers/yr).
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