Jorge Meléndez
Prof. Jorge Meléndez is the group leader. He studies the light of the stars for different applications, including the search for exoplanets, the search for solar twins, the relation between stellar chemical abundance and the presence of planets, basic properties of stars (chemical composition, age, temperature, luminosity, magnetic activity and rotation), the chemical origin and evolution of elements and the evolution of the Milky Way. He is a professor for undergrad and grad students and has an extensive experience in both research and outreach.
Lorenzo Spina
Lorenzo is a post-doc at the Universidade de Sao Paulo since 2015. His scientific research is mainly focussed on high-precision (0.01 dex) chemical analysis of solar-twin stars devoted to the study of the chemical evolution of the Galactic disk and the chemical signatures imprinted by the evolution of planetary systems. He is also part of the Gaia-ESO Survey consortium, leading a scientific project related to the study of the chemical composition of the youngest open stellar clusters and associations within the Galactic disk.
Henrique M. Reggiani
Henrique is a PhD student that joined the group in 2015. In his masters his research was focused on carbon abundances in metal-poor RR Lyrae stars, to caracterize the physical mechanisms that enhanced carbon in those stars. His PhD research is focused in studying chemical abundances of metal-poor halo dwarfs to study and constrain the chemical evolution of our Galaxy, through high resolution spectroscopy. He is also interested in the nucleosynthetic history of heavy elements in our Galaxy, and in finding the brightest metal-poor stars
Marília G. Cardoso Correa Carlos
Marília is a PhD student and her research is focused on the chemical composition of stars, with an emphasis in lithium depletion in solar twins and magnesium isotopic abundances in K dwarfs. Her work can reveal chemical signatures of stellar evolution (internal destruction and production of elements).
Jhon Yana Galarza
Jhon is starting his PhD in August 2016. He is currently searching for solar twins using Kepler and Gaia missions data. He studies the chemical composition of Sun-like stars and the star-planet relation.
Leonardo A. Gonçalves dos Santos
Leonardo is a masters student who joined the group in 2015. His research is focused in understanding the physical properties and rotational evolution of solar twins, through high precision spectroscopy. He is also envolved in a research project that searches and caracterizes exoplanets and regularly writes for the Astrobites blog. He is currently at the University of Chicago, where he is envolved in the development of a software for the MAROON-X spectrograph, under supervision of Prof. Jacob Bean.
Fabricio Catani de Freitas
Fabricio is a masters student and studies stellar activity in solar twins and the age-activity relation.
Kilian Scheutwinkel
Kilian is a visiting MSc student (Univ. Uppsala, Sweden). He is working on the classification of stellar spectra acquired at the ESO (Chile) and OPD (Brazil) observatories.
Guilherme de Oliveira Jorge
Undergrad student working with Solar Twins Blue Stragglers.
Giovani Vicentin, Rafael Ishida e Victoria Pardinho.
First year Astronomy undergrads working on Astronomy Outreach through posts on Galactic Archaeology. Blog Perto do Universo.
Outros Membros e Colaboradores
Marcelo Tucci Maia
Postdoc at LNA (Laboratório Nacional de Astrofísica), Marcelo is specialized in high precision chemical abundances determinations. He works with Solar Twins in different subjects such as spectral signature of planetary formation, stellar evolution and chemical evolution of the Galaxy.
Orlando José Katime Santrich
Postdoc at Instituto de Astronomia, Geofísica e Ciências atmosféricas - Universidade de São Paulo (IAG-USP).