\documentclass[showdate=true,slidenumbers=slide]{beamer}

\usepackage{amsmath}

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\title{Multi-messenger observations of a flaring Blazar}

\date{\today}
\author{E.T. de Boone}


\begin{document}

\frame{\titlepage}

\begin{frame}
	\frametitle{Outline}
	\tableofcontents
\end{frame}


\begin{frame}
	\frametitle{Multi-Messenger Astrophysics}
	\begin{table}
		\centering
	\begin{tabular}{r|c|c|c|c|c}
					& EM	& CR	& GW	& $\nu$ & year \\
	\hline
		Solar Flare	& yes	& yes	&		&		& 1940 \\
	\hline
		Supernova	& yes	&		& pred	& yes	& 1987 \\
	\hline
		NS merger	& yes	&		& yes	& pred	& aug 2017 \\
	\hline
		Blazar		& yes	&		&		& yes	& sep 2017 \\
	\end{tabular}
	\end{table}
\end{frame}
\note{
	Importance and History of Multi Messenger Astrophysics
}


\section{Instruments and Observations}
\subsection{Neutrinos}
\begin{frame}
	\frametitle{Basics}
	\begin{itemize}
		\item Neutrino interacts in atmosphere, ice or water
		\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{frame}




\end{document}
