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Wrap up of the day

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Eric Teunis de Boone 2020-02-17 19:50:46 +01:00
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20
presentation/outline.txt
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@ -3,18 +3,15 @@ Multi-Messenger Astrophysics
Instruments and Observations Instruments and Observations
Neutrino Neutrino
IceCube Basics
place, size Observatories: IceCube, ANTARES, KM3NET
Interactions (CC, NC)
Interactions
- CC
- NC
Properties of this neutrino Properties of this neutrino
cc -> muon cc -> muon
129TeV 129TeV
Followup of Antares Followup of Antares showed nothing
High Energy gamma ray High Energy gamma ray
@ -78,10 +75,3 @@ Interpretations
associate \nu with \gamma associate \nu with \gamma
chance disfavored at 3\sigma chance disfavored at 3\sigma
Science to be extracted Science to be extracted

173
presentation/seminar.tex
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@ -2,6 +2,12 @@
\usepackage{amsmath} \usepackage{amsmath}
\addtobeamertemplate{navigation symbols}{}{%
\usebeamerfont{footline}%
\usebeamercolor[fg]{footline}%
\hspace{1em}%
\insertframenumber
}
\title{Multi-messenger observations of a flaring Blazar} \title{Multi-messenger observations of a flaring Blazar}
\date{\today} \date{\today}
@ -14,17 +20,25 @@
\begin{frame} \begin{frame}
\frametitle{Outline} \frametitle{Outline}
\tableofcontents
\end{frame} \end{frame}
\begin{frame} \begin{frame}
\frametitle{Multi-Messenger Astrophysics} \frametitle{Multi-Messenger Astrophysics}
\begin{table} \begin{table}
\centering
\begin{tabular}{r|c|c|c|c|c}
& EM & CR & GW & $\nu$ & year \\ & EM & CR & GW & $\nu$ & year \\
\hline
Solar Flare & yes & yes & & & 1940 \\ Solar Flare & yes & yes & & & 1940 \\
\hline
Supernova & yes & & pred & yes & 1987 \\ Supernova & yes & & pred & yes & 1987 \\
\hline
NS merger & yes & & yes & pred & aug 2017 \\ NS merger & yes & & yes & pred & aug 2017 \\
\hline
Blazar & yes & & & yes & sep 2017 \\ Blazar & yes & & & yes & sep 2017 \\
\end{tabular}
\end{table} \end{table}
\end{frame} \end{frame}
\note{ \note{
@ -32,63 +46,122 @@
} }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section{Instruments and Observations}
% Observatories connected
\section{Involved Observatories}
\begin{frame}
\frametitle{Observatories}
\end{frame}
%% Neutrino detectors ( IceCube, ANTARES )
\subsection{Neutrinos} \subsection{Neutrinos}
\begin{frame} \begin{frame}
\frametitle{IceCube} \frametitle{Basics}
\end{frame}
%% \gamma-ray detectors ( FermiLAT, AGILE )
\subsection{Gamma rays}
\begin{frame}
\frametitle{FermiLAT}
\end{frame}
\begin{frame}
\frametitle{AGILE}
\end{frame}
%% VHE \gamma-ray detectors ( HESS, MAGIC, HAIC )
\subsection{VHE Gamma rays}
\begin{frame}
\frametitle{HESS}
\end{frame}
\begin{frame}
\frametitle{Imaging Cherenkov Telescopes}
\begin{itemize} \begin{itemize}
\item MAGIC \item Neutrino interacts in atmosphere, ice or water
\item HAIC \item<2-> Charged particle gets into the ice or water and emit Cherenkov photons
\item<3-> Cherenkov photons detected by DOMs in the matter
\end{itemize}
\end{frame}
\note{
Observatories: IceCube, ANTARES, KM3NET
Interactions
Charged Current vs Neutral Current
Cherenkov
Digital-Optical Modules
Types of events
Tracklike vs Showerlike
}
\begin{frame}
\frametitle{event IC-170922A}
\begin{columns}[t]
\begin{column}{0.6\textwidth}
\begin{itemize}
\item Muon detected
\item Energy deposited $~23.7$ TeV
\end{itemize}
\begin{itemize}
\item Muon neutrino
\item Energy $~290$ TeV
\item Spatial Resolution $< 1^\circ$
\item
\end{itemize}
\end{column}
\begin{column}{0.3\textwidth}
\begin{figure}
\includegraphics[width=\textwidth]{images/IC-170922A-event_display.png}
\end{figure}
\end{column}
\end{columns}
\end{frame}
\note{
Muon detection
E ~ TeV => atmospheric origin not excluded
=> EM observation needed to tie to source
followup ANTARES
- 1 day
- sensitivity is 1/10 of IceCube
prior data of IceCube
- $3\sigma$ indication of earlier detection in direction
}
\subsection{Gamma Rays}
\begin{frame}
\frametitle{Instruments}
\begin{itemize}
\item FermiLAT
\item AGILE
\end{itemize}
\end{frame}
\note{
FermiLAT on Fermi satellite
AGILE
- italian spacecraft
}
\begin{frame}
\frametitle{Observations}
\begin{columns}[t]
\begin{column}{0.7\textwidth}
\begin{itemize}
\item $\gamma$-ray blazar TXS 0506+056
\end{itemize}
\end{column}
\begin{column}{0.3\textwidth}
\begin{figure}
\centering
\includegraphics[width=\textwidth]{images/IC-170922A-positioning-FermiLAT.png}
\end{figure}
\end{column}
\end{columns}
\end{frame}
\note{
position 0.1 grad from best-fitting direction
what is blazar
study triggered redshift measurement
elevated gamma emission
automated processing showed previous flare.
-> usual, only studied because of neutrino
}
\subsection{Very High Energy Gamma Rays}
\begin{frame}
\frametitle{Instruments}
\begin{itemize}
\item Imaging Atmospheric Cherenkov Telescope
\item Water Cherenkov Telescope
\end{itemize} \end{itemize}
\end{frame} \end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Coincidence of the high-energy neutrino
\section{Multi-messenger observation}
\begin{frame}
\frametitle{IceCube-170922A}
muon-track -> muon-neutrino
~290 TeV in neutrino
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Explanation of a Blazar
\section{What is a Blazar?}
\begin{frame}
\frametitle{AGN}
\end{frame}
\end{document} \end{document}