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Automated classification of eclipsing binary systems in the VVV Survey
I. V. Daza-Perilla, L. V. Gramajo, M. Lares +4
With the advent of large-scale photometric surveys of the sky, modern science witnesses the dawn of big data astronomy, where automatic handling and discovery are paramount. In thi…
A hundred new eclipsing binary system candidates studied in a near-infrared window in the VVV survey
L. V. Gramajo, T. Palma, D. Minniti +4
We present the first results obtained from an extensive study of eclipsing binary (EB) system candidates recently detected in the VISTA Variables in the Vía Láctea (VVV) near-infra…
Ca II Triplet Spectroscopy of Small Magellanic Cloud Red Giants. III. Abundances and Velocities for a Sample of 14 Clusters
M. C. Parisi, D. Geisler, J. J. Clariá +4
We obtained spectra of red giants in 15 Small Magellanic Cloud (SMC) clusters in the region of the CaII lines with FORS2 on the Very Large Telescope (VLT). We determined the mean m…
CaII Triplet Spectroscopy of Small Magellanic Cloud Red Giants. II. Abundances for a Sample of Field Stars
M. C. Parisi, D. Geisler, A. J. Grocholski +2
We have obtained metallicities of ~ 360 red giant stars distributed in 15 Small Magellanic Cloud (SMC) fields from near-infrared spectra covering the CaII triplet lines using the V…