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SUMMARY:Monthly Meeting December -
DESCRIPTION:This month two University of Auckland PHD students will tell us about their research\, \nObserving Transients in Simulated Universes with Max Briel and Gravitational Waves with Petra Tang \nObserving Transients in Simulated Universes \nTransients are short\, on an astronomical timescale\, duration events compared to the evolution of galaxies and\nstars. Two main types are gravitational wave (GW) events and supernovae. Supernovae\, explosion at the end of a\nstars life\, have been measured for centuries\, but gravitational waves from the merger of two compact objects\,\nwere only measured for the first time in 2015. The rate of both of these events relate to the amount of stars being\nformed over the history of the Universe and the evolution of binary star systems. Using stellar population synthesis\nand cosmological simulation of the Universe\, we predict the number of transients taking place in our Universe. \nBorn and raised in the Netherlands\, Max Briel studied physics\, maths\, and computer science as part of his Liberal\nArts and Sciences Bachelor\, which he was awarded with highest honours in 2013. As part of the neutrino detection\ncollaboration\, he finished his Masters at the University of Amsterdam in Physics and Astronomy with a research\nproject on muonic event reconstruction in the KM3NeT detector. Since 2020 he’s a PhD student at the University of\nAuckland. There\, he works on the properties of gravitational wave and supernovae’s host galaxies. \nGravitational Waves \nGravitational waves propagate through space and carry information about the history of our Universe\, helping us\nunderstand the unknown part of the Universe. The Laser Interferometer Space Antenna (LISA) is a gravitational\nwave observatory in space\, and it is used to detect the milihertz band of the GW signals. In her research Petra re-\nconstructs the spectral density of the stochastic gravitational wave background of mock LISA signals\, hoping to\nidentify LISA’s detection capability. In this talk she introduces LISA’s unique setup\, explains the method she uses to\nconstruct the spectrum profile\, presents some of her results and explains the next step for her PhD \nPetra Tang is a current PhD student studying gravitational waves. She did her Masters at the University of Auckland\nsupervised by AP Jan Eldridge. Prior to that she taught Maths in a secondary school for 6 years. She loves science\nand education\, and loves sharing her knowledge of the stars with others. \n 
URL:https://www.astronomy.org.nz/event/monthly-meeting-december/
LOCATION:Stardome Observatory\, 670 Manukau Rd\, Epsom\, Auckland\, 1345\, New Zealand
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