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White dwarf spectral type-temperature distribution from Gaia-DR3 and the Virtual Observatory
S. Torres, P. Cruz, R. Murillo-Ojeda +6
The characterization of white dwarf atmospheres is crucial for accurately deriving stellar parameters such as effective temperature, mass, and age. We aim to classify the populatio…
M-dwarf stars in the b294 field from the VISTA Variables in the Vía Láctea (VVV)
Patricia Cruz, Miriam Cortés-Contreras, Enrique Solano +4
M-dwarf stars are the dominant stellar population in the MilkyWay and they are important for a wide variety of astrophysical topics. The Gaia mission has delivered a superb collect…
Spectral classification of the 100 pc white dwarf population from Gaia-DR3 and the Virtual Observatory
F. M. Jiménez-Esteban, S. Torres, A. Rebassa-Mansergas +5
The third data release of Gaia has provided low resolution spectra for ~100,000 white dwarfs (WDs) that, together with the excellent photometry and astrometry, represent an unrival…
The miniJPAS survey: stellar atmospheric parameters from 56 optical filters
H. -B. Yuan, L. Yang, P. Cruz +29
With a unique set of 54 overlapping narrow-band and two broader filters covering the entire optical range, the incoming Javalambre-Physics of the Accelerating Universe Astrophysica…
J-PLUS: Discovery and characterisation of ultracool dwarfs using Virtual Observatory tools II. Second data release and machine learning methodology
P. Mas-Buitrago, E. Solano, A. González-Marcos +20
Ultracool dwarfs (UCDs) comprise the lowest mass members of the stellar population and brown dwarfs, from M7 V to cooler objects with L, T, and Y spectral types. Most of them have…
Detached eclipsing binaries from the Kepler field: radii and photometric masses of components in short-period systems
Patricia Cruz, John F. Aguilar, Hernán E. Garrido +2
The characterisation of detached eclipsing binaries with low mass components has become important when verifying the role of convection in stellar evolutionary models, which requir…