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J-VAR: Analysis of RR Lyrae light curves in seven optical bands
S. Kulkarni, H. Vázquez Ramió, C. López-Sanjuan +13
Context:RR Lyrae stars, with their accurate period and amplitude measurements, constrain stellar evolution and map Galactic structure. The Javalambre VARiability (J-VAR) survey is…
J-PLUS: Understanding outlier white dwarfs in the third data release via dimensionality reduction
C. López-Sanjuan, P. -E. Tremblay, A. del Pino +20
We present the white dwarf catalog derived from the third data release of the Javalambre Photometric Local Universe Survey (J-PLUS DR3), which covers 3284 deg2 using 12 optical fil…
J-PLUS: Beyond Spectroscopy III. Stellar Parameters and Elemental-abundance Ratios for Five Million Stars from DR3
Yang Huang, Timothy C. Beers, Kai Xiao +24
We present a catalog of stellar parameters (effective temperature , surface gravity , age, and metallicity [Fe/H]) and elemental-abundance ratios ([C/Fe], [Mg/…
J-PLUS: The fraction of calcium white dwarfs along the cooling sequence
C. López-Sanjuan, P. -E. Tremblay, M. W. O'Brien +24
We used the Javalambre Photometric Local Universe Survey (J-PLUS) DR2 photometry in twelve optical bands over 2176 deg2 to estimate the fraction of white dwarfs with presence of Ca…