Research
Research
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My research focuses on extragalactic astrophysics, particularly the role of dust in cosmic noon galaxies. Dust grains, though only a tiny fraction of a galaxy’s mass, play a crucial role in regulating star formation, obscuring starlight, and re-emitting energy in the infrared. Understanding the origin and evolution of dust is key to piecing together the story of galaxy formation across cosmic time.
Unveiling the correlation between the UV 2175Å dust attenuation bump, PAH emission, and gas-phase metallicity at cosmic noon
Unveiling the correlation between the UV 2175Å dust attenuation bump, PAH emission, and gas-phase metallicity at cosmic noon
Centro de Astrobiología (CAB), CSIC-INTA, Madrid, Spain
Supervisors: Dr. Irene Shivaei (CAB), Dr. Pablo Pérez-González (CAB)
I study the connection between the UV 2175 Å dust attenuation bump, PAH (polycyclic aromatic hydrocarbon) emission, and gas-phase metallicity in galaxies at cosmic noon (z ~ 1–3), the peak epoch of star formation in the Universe. Using JWST and ALMA observations, I aim to uncover how dust properties trace the physical conditions of galaxies in this crucial era.
Credits: L. Arriscado (2025)
Search for the origin of carbonaceous dust grains in the interstellar medium of distant galaxies
Search for the origin of carbonaceous dust grains in the interstellar medium of distant galaxies
MOSFIRE spectra extracted using the software PypeIt. Credits: L. Arriscado
Centro de Astrobiología (CAB), CSIC-INTA, Madrid, Spain
Supervisors: Dr. Irene Shivaei (CAB)
In this project, I explored the connection between carbonaceous dust grains and the UV 2175 Å dust attenuation bump in distant galaxies. Using spectroscopic data from the MOSFIRE instrument on the Keck telescope, I reduced the observations with the PypeIt pipeline to extract emission line fluxes and measure gas-phase metallicities. The goal was to compare these results with measurements of the UV bump obtained from MUSE spectroscopy, to better understand the physical conditions and processes that lead to the formation of carbon-rich dust in the interstellar medium of galaxies across cosmic time.
The JWST revolution: morphological analysis of galaxies in the early Universe
The JWST revolution: morphological analysis of galaxies in the early Universe
Centro de Astrobiología (CAB), CSIC-INTA, Madrid, Spain; Universidad Complutense de Madrid (UCM), Madrid, Spain
Supervisors: Dr. Luca Costantin (CAB), Dr. Cristina Cabello (UCM)
I investigated galaxy morphologies in the early Universe with JWST/NIRCam imaging. I analyzed the light profiles of galaxies using different methods to study the presence of bars and bar-like structures in galaxies at redshifts 3-4.
Kinematic properties of galaxies through Integral Field Spectroscopy, using data from the CALIFA Survey and MEGARA spectrograph
Kinematic properties of galaxies through Integral Field Spectroscopy, using data from the CALIFA Survey and MEGARA spectrograph
Universidad Complutense de Madrid (UCM), Madrid, Spain
Supervisor: Dr. África Castillo-Morales
I studied the kinematics of nearby galaxies using integral field spectroscopy, and derived the distribution of gas and stellar populations across various galaxies. This project developed my skills in spectroscopy and galaxy dynamics, forming the foundation of my research path.
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