I am an observational cosmologist focusing on using weak gravitational lensing to understand the nature of dark matter and dark energy. I am particularly interested in using cross-correlation techniques to combine multi-wavelength observations to obtain information on astrophysical systematics and push weak lensing analyses to smaller scales. This work led to my discovery of a correlation between cosmic shear and the diffuse X-ray background, which can be used to constrain baryonic feedback!
I am now at Newcastle University, you can reach me here: tassia.ferreira@ncl.ac.uk or tassia.aferreira@gmail.com
About me

I am from Salvador, a beautiful coastal city in the northeast of Brazil. I did my undergraduate and master’s in physics at the Federal University of Bahia. I then moved to Vitoria, to the Federal University of Espirito Santo, for my PhD in Astrophysics, Cosmology and Gravitation, with Prof. Valerio Marra as my advisor. During my PhD, I spent a year abroad at Carnegie Mellon University, in Pittsburgh, USA, working with my co-supervisor, Prof. Scott Dodelson. Before coming to Oxford, I was a postdoc at the Interinstitutional Laboratory for e-Astronomy (LIneA), in the National Observatory, Rio de Janeiro.
While I am very happy at the BIPAC, nothing beats the amazing view of the Guanabara Bay, from my office in Rio de Janeiro!