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X-WR-CALNAME:Osservatorio Astrofisico di Catania
X-ORIGINAL-URL:https://www.oact.inaf.it
X-WR-CALDESC:Eventi per Osservatorio Astrofisico di Catania
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DTSTART;TZID=UTC:20240415T100000
DTEND;TZID=UTC:20240415T110000
DTSTAMP:20260404T220302
CREATED:20240413T221042Z
LAST-MODIFIED:20240413T221044Z
UID:16079-1713175200-1713178800@www.oact.inaf.it
SUMMARY:Unlocking Cosmic Origins: LiteBIRD's quest for Inflationary GWs
DESCRIPTION:Recording: https://www.oact.inaf.it/seminars/ \nDATE:  Monday\, April 15\, 10:00 a.m. \nORGANIZER: INAF OACT \nLOCATION: AULA OVEST (INAF-OACT) + remote \nLink for the remote audience:https://meet.google.com/wvf-uwxo-oyj \nSPEAKER: Dr. Avinash Anand (Department of Physics\, University of Rome\, Tor Vergata) \nABSTRACT: \nThe LiteBIRD (Lite (Light) satellite for the studies of B-mode polarization and Inflation from cosmic background Radiation Detection) experiment is a space mission dedicated to studying the polarization of the Cosmic Microwave Background (CMB). Its primary objective is to detect the faint B-mode polarization patterns in the CMB\, which are believed to be imprints of gravitational waves from the early universe\, particularly from the period of cosmic inflation. LiteBIRD is equipped with a 30 arcmin beam width and an extraordinarily low polarization noise of 2.16μK-arcmin\, making it uniquely capable of capturing large scale full-sky CMB polarization. \nOur studies address two significant challenges in detecting Inflationary B-modes: foregrounds and the weak gravitational lensing of the CMB.Foregrounds\, varying with observation frequency\, can be mitigated through multi-frequency sky observations. However\, gravitational lensing of the CMB presents a different problem\, as it is not frequency-dependent and causes E-mode polarization to convert to B-modes. This conversion masks the primordial B-modes we aim to detect. Our work concentrates on estimating the mass distribution from the CMB field to create a template of lensing B-modes. By removing this lensing-induced B-mode template from the observational data\, we enhance the sensitivity towards detecting Inflationary gravitational waves. \nThis talk will explore the methodologies used in this study\, the challenges encountered\, and the potential impact on the detection of the Inflationary gravitational waves. \n  \n  \nA few rules:— in case of large in-person attendance\, attendees may be asked to wear a face mask— before joining\, make sure you are using your institutional inaf.it account if you have one (otherwise we will grant you permission to join)— please do not forget to mute your microphone and switch off your webcam when access the virtual room— for questions leave a message in the chat\, the answers at the end of the webinar— the seminar will be recorded\, so if you are interested in it\, please contact us to get the link to the registration.
URL:https://www.oact.inaf.it/event/unlocking-cosmic-origins-litebirds-quest-for-inflationary-gws/
LOCATION:Sede A. Riccò\, Via Santa Sofia 78\, Catania
CATEGORIES:Eventi & Seminari
ATTACH;FMTTYPE=image/jpeg:https://www.oact.inaf.it/wp-content/uploads/2024/04/avinash_seminario.jpg
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BEGIN:VEVENT
DTSTART;TZID=UTC:20240422T110000
DTEND;TZID=UTC:20240422T110000
DTSTAMP:20260404T220302
CREATED:20240418T141120Z
LAST-MODIFIED:20240418T141602Z
UID:16101-1713783600-1713783600@www.oact.inaf.it
SUMMARY:Archeology of interstellar archipelagos: Reconstructing the lifecycle of star-forming clouds
DESCRIPTION:Recording: https://www.oact.inaf.it/seminars/ \nDATE:  Monday\, April 22\, 11:00 a.m. \nORGANIZER: INAF OACT \nLOCATION: AULA OVEST (INAF-OACT) + remote \nLink for the remote audience:https://meet.google.com/wvf-uwxo-oyj \nSPEAKER: Dr. Juan Diego Soler (IAPS-INAF) \nABSTRACT: \nDetermining how star-forming molecular clouds (MCs) arise from and interact with the diffuse interstellar medium (ISM) is crucial for understanding the initial conditions of planet and star formation and the evolution of the Milky Way and other similar galaxies. I will present state-of-the-art observations of neutral atomic hydrogen (HI) and interstellar magnetic fields\, which\, combined with numerical simulations and novel statistical tools based on machine vision\, reveal three crucial aspects of the MC lifecycle. First\, the signature of magnetization in the structure of MCs in the solar neighborhood\, within 500 parsecs from the Sun. Two\, the imprint of supernova feedback in the HI structure across the Galactic plane. And finally\, the coupling between atomic and molecular gas in and around MCs. I will discuss the consequences of these findings for our understanding of the Galactic ecosystem and the prospects for radio-interferometric and submillimeter polarization observations from the forthcoming facilities. \n  \n  \nA few rules:— in case of large in-person attendance\, attendees may be asked to wear a face mask— before joining\, make sure you are using your institutional inaf.it account if you have one (otherwise we will grant you permission to join)— please do not forget to mute your microphone and switch off your webcam when access the virtual room— for questions leave a message in the chat\, the answers at the end of the webinar— the seminar will be recorded\, so if you are interested in it\, please contact us to get the link to the registration.
URL:https://www.oact.inaf.it/event/archeology-of-interstellar-archipelagos-reconstructing-the-lifecycle-of-star-forming-clouds/
LOCATION:Sede A. Riccò\, Via Santa Sofia 78\, Catania
CATEGORIES:Eventi & Seminari
ATTACH;FMTTYPE=image/jpeg:https://www.oact.inaf.it/wp-content/uploads/2024/04/Soler_seminario.jpg
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BEGIN:VEVENT
DTSTART;TZID=UTC:20240423T150000
DTEND;TZID=UTC:20240423T180000
DTSTAMP:20260404T220302
CREATED:20240422T090940Z
LAST-MODIFIED:20240424T092036Z
UID:16156-1713884400-1713895200@www.oact.inaf.it
SUMMARY:MSC in Physics: which curriculum? (2024 edition)
DESCRIPTION:In collaborazione con il Dipartimento di Fisica e Astronomia\, giorno 23 aprile 2024\, con inizio alle ore 15:00\, presso l’Osservatorio Astrofisico di Catania\, avrà luogo l’iniziativa “Which Curriculum”\, rivolta alle studentesse e agli studenti della laurea triennale in Fisica come orientamento nella scelta della specializzazione per il corso magistrale. \n\n			\n				\n				\n				\n				\n				\nDurante il pomeriggio\, i ragazzi potranno visitare i nostri laboratori e parlare con i nostri ricercatori per conoscere e approfondire le attività scientifiche\, i progetti in corso e le prospettive future. \n\n \nL’incontro è promosso dalla Commissione Qualità del DFA.
URL:https://www.oact.inaf.it/event/msc-in-physics-which-curriculum-2024-edition/
LOCATION:Sede A. Riccò\, Via Santa Sofia 78\, Catania
CATEGORIES:Eventi & Seminari
ATTACH;FMTTYPE=image/jpeg:https://www.oact.inaf.it/wp-content/uploads/2024/04/437535265_743024694485692_1280210000960869084_n.jpg
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