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High-resolution spectroscopy of the young open cluster M 39 (NGC 7092)
J. Alonso-Santiago, A. Frasca, G. Catanzaro +5
M 39 is a nearby young open cluster hardly studied in the last decades. No giant is known among its members and its chemical composition has never been studied. In order to investi…
The discovery space of ELT-ANDES. Stars and stellar populations
Ian U. Roederer, Julián D. Alvarado-Gómez, Carlos Allende Prieto +31
The ArmazoNes high Dispersion Echelle Spectrograph (ANDES) is the optical and near-infrared high-resolution echelle spectrograph envisioned for the European Extremely Large Telesco…
SDSS-IV from 2014 to 2016: A Detailed Demographic Comparison over Three Years
Amy M. Jones, Rachael L. Beaton, Brian A. Cherinka +24
The Sloan Digital Sky Survey (SDSS) is one of the largest international astronomy organizations. We present demographic data based on surveys of its members from 2014, 2015 and 201…
Parameter Estimation for Open Clusters using an Artificial Neural Network with a QuadTree-based Feature Extractor
L. Cavallo, L. Spina, G. Carraro +7
With the unprecedented increase of known star clusters, quick and modern tools are needed for their analysis. In this work, we develop an artificial neural network trained on synth…
StarUnLink: identifying and mitigating signals from communications satellites in stellar spectral surveys
Spencer Bialek, Sara Lucatello, Sebastien Fabbro +2
A relatively new concern for the forthcoming massive spectroscopic sky surveys is the impact of contamination from low earth orbit satellites. Several hundred thousand of these sat…
Quadtree features for machine learning on CMDs
Jose Schiappacasse-Ulloa, Mario Pasquato, Sara Lucatello
The upcoming facilities like the Vera C. Rubin Observatory will provide extremely deep photometry of thousands of star clusters to the edge of the Galaxy and beyond, which will req…