8.6k citations · 13.8k across the 81 of their papers we have counts for
82 papers
Gaia FGK Benchmark Stars: Impact of Spectral Resolution on Stellar Abundances
Ivanna Hernández-Araya, Claudia Aguilera-Gómez, Paula Jofré +5
In the era of large Milky Way spectroscopic surveys, calibrating and standardizing stellar parameters and abundance measurements is crucial. The Gaia benchmark stars (GBS) are key…
The high-altitude, inner-disc, and chemically peculiar open cluster UBC 1052
Judit Donada, Laia Casamiquela, Friedrich Anders +8
Out of all the discovered open clusters (OCs) that are located in the inner part of the Galaxy, only a small fraction has been observed with high-resolution spectroscopy. An intrig…
Gaia FGK Benchmark Stars: spectral library, metallicities and abundances of and Fe-peak elements of the third version
L. Casamiquela, C. Soubiran, P. Jofré +14
The accurate determination of chemical abundances in stars plays a pivotal role in understanding stellar structure and evolution, nucleosynthesis, and the chemical enrichment histo…
Drifts of the sub-stellar points of the TRAPPIST-1 planets
Revol Alexandre, Émeline Bolmont, Mariana Sastre +4
Accurate modeling of tidal interactions is crucial for interpreting recent JWST observations of the thermal emissions of TRAPPIST-1~b and c and for characterizing the surface condi…
OCCASO V. Chemical-abundance trends with Galactocentric distance and age
J. Carbajo-Hijarrubia, L. Casamiquela, R. Carrera +12
Context. Open clusters provide valuable information on stellar nucleosynthesis and the chemical evolution of the Galactic disc, as their age and distances can be measured more prec…
VELOcities of CEpheids (VELOCE) I. High-precision radial velocities of Cepheids
Richard I. Anderson, Giordano Viviani, Shreeya S. Shetye +27
This first VELOCE data release comprises 18,225 high-precision RV measurements of 258 bona fide classical Cepheids on both hemispheres collected mainly between 2010 and 2022, along…
Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry
Gaia Collaboration, P. Panuzzo, T. Mazeh +412
Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…
Psychological Assessments with Large Language Models: A Privacy-Focused and Cost-Effective Approach
Sergi Blanco-Cuaresma
This study explores the use of Large Language Models (LLMs) to analyze text comments from Reddit users, aiming to achieve two primary objectives: firstly, to pinpoint critical exce…
Exploring the dependence of chemical traits on metallicity: chemical trends for red giant stars with asteroseismic ages
S. Vitali, D. Slumstrup, P. Jofré +5
Given the massive spectroscopic surveys and the Gaia mission, the Milky Way has turned into a unique laboratory to be explored using abundance ratios that show a strong dependency…
Experimenting with Large Language Models and vector embeddings in NASA SciX
Sergi Blanco-Cuaresma, Ioana Ciucă, Alberto Accomazzi +19
Open-source Large Language Models enable projects such as NASA SciX (i.e., NASA ADS) to think out of the box and try alternative approaches for information retrieval and data augme…
Improving astroBERT using Semantic Textual Similarity
Felix Grezes, Thomas Allen, Sergi Blanco-Cuaresma +13
The NASA Astrophysics Data System (ADS) is an essential tool for researchers that allows them to explore the astronomy and astrophysics scientific literature, but it has yet to exp…
Web accessibility trends and implementation in dynamic web applications
Timothy W. Hostetler, Shinyi Chen, Sergi Blanco-Cuaresma +12
The NASA Astrophysics Data System (ADS), a critical research service for the astrophysics community, strives to provide the most accessible and inclusive environment for the discov…
Stellar dating using chemical clocks and Bayesian inference
A. Moya, L. M. Sarro, E. Delgado-Mena +3
Dating stars is a major challenge with a deep impact on many astrophysical fields. One of the most promising techniques for this is using chemical abundances. Recent space- and gro…
Cross-modal Knowledge Distillation for Vision-to-Sensor Action Recognition
Jianyuan Ni, Raunak Sarbajna, Yang Liu +2
Human activity recognition (HAR) based on multi-modal approach has been recently shown to improve the accuracy performance of HAR. However, restricted computational resources assoc…
OCCASO IV. Radial Velocities and Open Cluster Kinematics
R. Carrera, L. Casamiquela, J. Carbajo-Hijarrubia +8
Context: Open clusters (OCs) are widely used as test particles to investigate a variety of astrophysical phenomena, from stellar evolution to Galactic evolution. Gaia and the compl…
On the influence of equilibrium tides on transit-timing variations of close-in super-Earths. I. Application to single-planet systems and the case of K2-265 b
Gabriel de Oliveira Gomes, Emeline Bolmont, Sergi Blanco-Cuaresma
In this work, we investigate the influence of planetary tidal interactions on the transit-timing variations of short-period low-mass rocky exoplanets. For such purpose, we employ t…
Determination of spectroscopic parameters for 313 M dwarf stars from their APOGEE Data Release 16 H-band spectra
Pedro Sarmento, Bárbara Rojas-Ayala, Elisa Delgado Mena +1
The scientific community's interest on the stellar parameters of M dwarfs has been increasing over the last few years, with potential applications ranging from galactic characteriz…
Abundance-age relations with red clump stars in open clusters
L. Casamiquela, C. Soubiran, P. Jofré +8
Context: Precise chemical abundances coupled with reliable ages are key ingredients to understand the chemical history of our Galaxy. Open Clusters (OCs) are useful for this purpos…
Connecting the formation of stars and planets. I -- Spectroscopic characterization of host stars with TIGRE
L. M. Flor-Torres, R. Coziol, K. -P. Schröder +3
In search for a connection between the formation of stars and the formation of planets, a new semi-automatic spectral analysis method using \textsf{iSpec} was developed for the TIG…
Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds
Gaia Collaboration, X. Luri, L. Chemin +417
We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show…
Gaia Early Data Release 3: The Galactic anticentre
Gaia Collaboration, T. Antoja, P. McMillan +417
We aim to demonstrate the scientific potential of the Gaia Early Data Release 3 (EDR3) for the study of the Milky Way structure and evolution. We used astrometric positions, proper…
Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars
Gaia Collaboration, R. L. Smart, L. M. Sarro +420
We produce a clean and well-characterised catalogue of objects within 100\,pc of the Sun from the \G\ Early Data Release 3. We characterise the catalogue through comparisons to the…
Gaia Early Data Release 3: Acceleration of the solar system from Gaia astrometry
Gaia Collaboration, S. A. Klioner, F. Mignard +414
Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6 million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quali…
Agile methodologies in teams with highly creative and autonomous members
Sergi Blanco-Cuaresma, Alberto Accomazzi, Michael J. Kurtz +10
The Agile manifesto encourages us to value individuals and interactions over processes and tools, while Scrum, the most adopted Agile development methodology, is essentially based…