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Thallis Pessi

Astrophysicist

Hi! Olá!

I am a Brazilian astrophysicist based in Santiago, Chile. I am currently an Astronomer Fellow at the European Southern Observatory (ESO), with duties at the Paranal Observatory, where I am Instrument Fellow of the Multi Unit Spectroscopic Explorer (MUSE), at the Very Large Telescope (VLT).

 

I obtained a PhD in Astrophysics at Universidad Diego Portales (UDP, Chile, 2024), and spent part of my PhD at ESO as a student. I obtained a Bachelor (2018) and a Masters (2020) degree in Physics at Universidade Federal de Santa Maria (UFSM, Brazil).

My research is mostly focused on the most beautiful spectacles of the Universe: supernova explosions! My current research projects are particularly focused on the environments where these explosions happen and how to related that to their progenitor stars. I am also interested in other types of transient events, such as giant stellar eruptions and the optical counterparts of gravitational wave events.

 

To study these cosmic explosions I have used a large variety of instruments, including telescopes such as the LCO, Magellan, Gemini, HST and VLT.

 

I am collaborating with the ePESSTO+ survey, an effort to classify and follow-up newly discovered supernovae and other interesting transients using the NTT at La Silla. I am also part of AMUSING, a survey that uses the VLT at the Paranal Observatory to obtain high spatial resolution datacubes of supernova host galaxies. I also have been closely collaborating and working with data from ASAS-SN, an automated all-sky survey that discovers thousands of transient events per year.

Here you can find a bit about me, my current work and ongoing projects. Feel free to contact me at any time!

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