Felipe Barrientos

Associate Professor at Pontificia Universidad Católica de Chile (Santiago)

barrientos [at] astro.puc.cl

My research is focused in the study of the evolution of galaxies and clusters of galaxies. These studies are being carried out in collaboration with astronomers from Canada, USA, South Africa, China and Europe.

Currently I am working on several complementary programs such as:

- Find and study clusters of galaxies and QSOs in an area of 5000 sq deg. of the UVAS/ATLAS survey

- Study the galaxies in rich clusters at nearly half of the present age of the universe

- Use the gravitational potential of the clusters to study distant galaxies using ALMA

- Use the bright gravitational arcs as backlight to study the gaseous halos of galaxies

Lyman Alpha Galaxies at the Epoch of Reonization (LAGER)

The Lyman Alpha Galaxies in the Epoch of Reionization (LAGER) is a narrow band survey to identify galaxies at z~7. The survey is conducted as a collaboration between US, Chinese and Chilean astronomers using the Dark Energy Cam at the CTIO Blanco telescope. More information at https://www.lagersurvey.org/

Fast galaxy morphology

We have developed a fast 2D galaxy light profile algorithm for identifying elliptical galaxies in wide area surveys. The Discrete Radius Ellipticals (DRE) algorithm is aimed to identify galaxy clusters as well as strong lensing arcs in surveys like LSST or the VST-ATLAS.

Arc tomography

Technique to map the coherent spatial and kinematic distribution of distant galaxy halos against giant gravitational arcs. The VLT/MUSE observations have unveiled clumpy and anisotropic media around z~1 star-forming galaxies. More information at https://sites.google.com/view/arctomo