Job Experience

Researcher and Professor

2026 - present
Instituto Nacional de Pesquisas Espaciais (INPE)

Researcher at the Astrophysics Division and faculty member of the graduate program in Astrophysics.

Resident Astronomer of the SOAR Telescope

2025 - 2026
NOIRLab / Southern Astrophysical Research Telescope

Research in stellar astrophysics and support for Goodman, TripleSpec and SAM+SAMI instruments.

Postdoctoral Researcher

2021 - 2025
Laboratório Nacional de Astrofísica (LNA)

Research and technical work related to microlensing, instrumentation, observing support at SOAR and OPD, and SPARC4 commissioning.

Graduate Researcher

2015 - 2021
Universidade Federal do Rio Grande do Norte (UFRN)

MSc and PhD research on gravitational microlensing and exoplanet detection.

Undergraduate researcher and outreach fellow

2011 - 2015
Universidade Federal do Rio Grande (FURG)

Research on infrared galaxies and activities related to the Observatório Sofia.

Main Research Topics

Gravitational Microlensing and Exoplanets - Detection and characterization of low-mass exoplanets through gravitational microlensing.
Stellar Astrophysics - Solar analogs, stellar rotation, activity cycles, eclipsing binaries, and stellar parameters.
Astronomical Instrumentation - Observational support, spectrographs, imaging cameras, SPARC4 commissioning, and data pipelines.
Time-domain and Multimessenger Astronomy - GRANDMA observations, transient follow-up, GRBs, supernovae and kilonova searches.
Observational Data Analysis - Photometry, spectroscopy, time-series analysis, and computational tools for large astronomical datasets.

Selected Publications

Selected and complete publication list compiled from my Lattes CV and ADS records. Use + after et al. to expand the author list, and +info to display abstracts and extra links when available.

ExoClock Project. IV. A Homogeneous Catalog of 620 Updated Exoplanet Ephemerides
Kokori, A.; Tsiaras, A.; Pantelidou, G.; Jones, A.; Siakas, A.; Edwards, B.; Tinetti, G.; Wünsche, A.; Jongen, Y.; Libotte, F.; Corrêa, M.; Mugnai, L. V.; Bocchieri, A.; Capildeo, A. R.; Poultourtzidis, E.; Sidiropoulos, C.; Bewersdorff, L.; Lekkas, G.; Grivas, G.; Almeida, L.; et al. authors
2026; ApJS, v.283, p.5
Scientific Validation of the SPARC4 Pipeline: Multi-band Imaging, Polarimetry, and Photometric Time Series for Improved Characterization of Transiting Exoplanets
Martioli, E.; Rodrigues, C. V.; Campagnolo, J. C. N.; Jablonski, F. J.; Mattiuci, A. C.; Falkenberg, F.; Santos, G. H. S.; Mello, M. M. C.; Lima, I. J.; Monteiro, F. V. M.; Fraga, L.; de Almeida, L.; et al. authors
2026; PASP, v.138, p.054502
SPARC4 Control System
Bernardes, D.; Verducci Jr., O.; Rodrigues, F.; Rodrigues, C. V.; Fraga, L.; Martioli, E.; Gneiding, C. D.; Alves, A. L. M.; Romão, J.; Andrade, L.; Almeida, L. de; et al. authors
2025; PASP, v.137, p.035003
The PLATO mission
Rauer, H.; Aerts, C.; Cabrera, J.; Deleuil, M.; Erikson, A.; Gizon, L.; Goupil, M. J.; Heras, A.; Walloschek, T.; Lorenzo-Alvarez, J.; Marliani, F.; Martin-García, C.; Mas-Hesse, J. M.; O'Rourke, L.; Osborn, H.; Pagano, I.; Piotto, G.; Pollacco, D.; Ragazzoni, R.; Almeida, L.; et al. authors
2025; Experimental Astronomy, v.59, p.1
A Comprehensive Analysis of Three Microlensing Planet Candidates with the Planet/Binary Degeneracy
Zhang, J.; Zang, W.; Ryu, Y.-H.; Sumi, T.; Udalski, A.; Mao, S.; Albrow, M. D.; Chung, S.-J.; Gould, A.; Han, C.; Hwang, K.-H.; Jung, Y. K.; Shin, I.-G.; Shvartzvald, Y.; Yee, J. C.; Yang, H.; Cha, S.-M.; Kim, D.-J.; Kim, S.-L.; Almeida, L.; et al. authors
2025; MNRAS, v.545, p.1-16
Gaia22dkvLb: A Microlensing Planet Potentially Accessible to Radial-velocity Characterization
Wu, Z.; Dong, S.; Yi, T.; Liu, Z.; El-Badry, K.; Gould, A.; Wyrzykowski, Ł.; Rybicki, K. A.; Bachelet, E.; Christie, G. W.; de Almeida, L.; et al. authors
2024; AJ, v.168, p.62
An Earth-mass planet in a time of COVID-19: KMT-2020-BLG-0414Lb
Zang, W.; Han, C.; Kondo, I.; Yee, J. C.; Lee, C.-U.; Gould, A.; Mao, S.; de Almeida, L.; Shvartzvald, Y.; Zhang, X.; Albrow, M. D.; Chung, S.-J.; Hwang, K.-H.; Jung, Y. K.; Ryu, Y.-H.; Shin, I.-G.; Cha, S.-M.; Kim, D.-J.; Kim, H.-W.; Kim, S.-L.; et al. authors
2021; Research in Astronomy and Astrophysics, v.21, p.239
Rotation of Solar Analogs Crossmatching Kepler and Gaia DR2
Nascimento Jr., J.-D.; Almeida, L. de; Velloso, E. N.; Anthony, F.; Barnes, S. A.; Saar, S. H.; Meibom, S.; Costa, J. S.; Castro, M.; Galarza, J. Y.; Lorenzo-Oliveira, D.; Beck, P. G.; Meléndez, J. authors
2020; ApJ, v.898, p.173
Optimized cutting off transit algorithm to study stellar rotation from PLATO mission light curves
de Almeida, L.; Anthony, F.; Mattiuci, A. C.; Castro, M.; da Costa, J. S.; Samadi, R.; do Nascimento, J.-D. authors
2020; Experimental Astronomy, v.50, p.1-0
Orbital Period Variation of KIC 10544976: Applegate Mechanism versus Light Travel Time Effect
Almeida, L. A.; de Almeida, L.; Damineli, A.; Rodrigues, C. V.; Castro, M.; Lopes, C. E. Ferreira; Jablonski, F.; do Nascimento, J.-D.; Pereira, M. G. authors
2019; AJ, v.157, p.150
Microlensing Path Parameterization for Earth-like Exoplanet Detection around Solar-mass Stars
de Almeida, L.; do Nascimento, J.-D. authors
2018; AJ, v.156, p.172

Teaching Experience

Graduate Courses

Observational Astrophysics Techniques (AST-203-4)

Professor / Lecturer
INPE
2026.2 — Ongoing

Responsible for Lectures 7–12 in the second course block.

Undergraduate Courses

Outreach Courses

Peer-Review Activities

Reviewer

2023 - present
Rural and Remote Health

Reviewer

2021 - present
PLoS One

Upcoming events

São José dos Campos, Brazil
20-24/Jul/2026

Extension course hosted by INPE. This entry is editable in EDITAR_SITE.html.

Praiamar Natal Hotel, Natal-RN, Brazil
25-30/Oct/2026

Annual meeting of the Brazilian Astronomical Society.

Outreach Activities

Public talks on exoplanets and observational astronomy

Speaker
Multiple locations
2011 - present

Talks and outreach activities listed in Talks and Events.

Observatório Sofia

Coordinator / collaborator
FURG / online
2011 - present

Astronomical observations, astrophotography, and public science content.

Projects

PLATO stellar-science collaboration - Stellar rotation and limb-darkening work in preparation for the PLATO mission.
GRANDMA collaboration - Observation, reduction and analysis of transient events since 2022.
SPARC4 commissioning and scientific validation - Support for commissioning, pipelines and science validation of the SPARC4 instrument.
Detection and characterization of exoplanets through gravitational microlensing - Research line developed during MSc/PhD and observational campaigns.
Observatório Sofia - Astronomical observations, astrophotography and public outreach.