J. Meléndez

Universidade de São Paulo — Brazil

Physics and Astronomy · Physical Sciences

62h-index12.9kcitations281works1.12yr avg
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Research Topics

Stellar, planetary, and galactic studies(224), Astro and Planetary Science(119), Astronomy and Astrophysical Research(111), Astrophysics and Star Formation Studies(105), Astronomical Observations and Instrumentation(34)

Publications281 total

Stellar Rotation in an Old Solar Twin Using ESPRESSO/VLT Validates Gyrochronology
The Astrophysical Journal Letters·2025Open Access
Detailed spectroscopic and photometric analysis of the remarkable planet-hosting wide binary system HD 202772A/B
Monthly Notices of the Royal Astronomical Society·2025Open Access
Detailed spectroscopic and photometric analysis of the remarkable planet-hosting wide binary system HD 202772A/B
arXiv (Cornell University)·2025Open Access
Infraestructura y atractivos turísticos como factores clave en la corta estancia de visitantes: Análisis cuantitativo en Puebla
Revista NeyArt·2025Open Access
Signatures of planets and Galactic subpopulations in solar analogs. Precise chemical abundances with neural networks
arXiv (Cornell University)·2025Open Access
Signatures of planets and Galactic subpopulations in solar analogs
Astronomy and Astrophysics·2025· 2 citedOpen Access
A New Age–Activity Relation For Solar Analogs that Accounts for Metallicity
The Astrophysical Journal Letters·2025· 2 citedOpen Access
Incidencia del Programa de Apoyo a la Internacionalización PAI en el desempeño exportador de las MIPYMES peruanas de productos Superfoods en el período 2017-2019
2024Open Access
Beryllium: The smoking gun of a rejuvenated star
Astronomy and Astrophysics·2024Open Access
TOI-3568 b: A super-Neptune in the sub-Jovian desert
Astronomy and Astrophysics·2024· 2 citedOpen Access
TOI-3568 b: a super-Neptune in the sub-Jovian desert
arXiv (Cornell University)·2024Open Access
The [Y/Mg] chemical clock in the Galactic disk
Astronomy and Astrophysics·2024· 9 citedOpen Access
The [Y/Mg] chemical clock in the Galactic Disk: The influence of metallicity and Galactic population in the solar neighbourhood
arXiv (Cornell University)·2024Open Access
Stellar Characterization and a Chromospheric Activity Analysis of a K2 Sample of Planet-hosting Stars
The Astrophysical Journal·2024· 1 citedOpen Access
Estrategias pedagógicas innovadoras para el aprendizaje de las Ciencias Naturales: un estudio de implementación y evaluación en estudiantes de 11vo grado
Investigación y acción.·2024Open Access
Lithium depletion in solar analogs: age and mass effects
Monthly Notices of the Royal Astronomical Society·2023· 17 citedOpen Access
Metallicity and age effects on lithium depletion in solar analogues
Monthly Notices of the Royal Astronomical Society·2023· 25 citedOpen Access
Photometric variations from stellar activity as an age indicator for solar-twins
Monthly Notices of the Royal Astronomical Society·2023· 5 cited
A Jupiter analogue and a cold Super-Neptune orbiting the solar-twin star HIP 104045
arXiv (Cornell University)·2023· 1 citedOpen Access
TOI-1055 b: Neptunian planet characterised with HARPS, TESS, and CHEOPS
Astronomy and Astrophysics·2023· 6 citedOpen Access
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Frequent Co-authors

M. Asplund(30), I. Ramírez(27), David Yong(13), Alan Alves-Brito(10), L. Casagrande(9), Jacob L. Bean(8), Megan Bedell(8), Judith G. Cohen(7), S. Feltzing(6), T. Bensby(6), B. Barbuy(6), TalaWanda R. Monroe(5), Marcelo Tucci Maia(5), Andrew McWilliam(5), Amanda I. Karakas(5), M. S. Bessell(4), Jennifer A. Johnson(4), S. Lucatello(4), I. Thompson(4), A. Udalski(4)