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11 papers · 1 filter
Joint Observatories Kavli Science Forum
Pascale Hibon, Jesús Corral-Santana, Itziar de Gregorio-Monsalvo +3
The Joint Observatories Kavli Science Forum in Chile was organised in a hybrid mode with the aim of encouraging collaborations, not only with the Chilean institutions but also betw…
The probabilistic random forest applied to the QUBRICS survey: improving the selection of high-redshift quasars with synthetic data
Francesco Guarneri, Giorgio Calderone, Stefano Cristiani +10
Several recent works have focused on the search for bright, high-z quasars (QSOs) in the South. Among them, the QUasars as BRIght beacons for Cosmology in the Southern hemisphere (…
The Probabilistic Random Forest applied to the selection of quasar candidates in the QUBRICS Survey
Francesco Guarneri, Giorgio Calderone, Stefano Cristiani +5
The number of known, bright (), high-redshift () QSOs in the Southern Hemisphere is considerably lower than the corresponding number in the Northern Hemisphere due to…
Finding the brightest cosmic beacons in the Southern Hemisphere
Calderone G., Boutsia K., Cristiani S. +6
The study of absorptions along the lines of sight to bright high- QSOs is an invaluable cosmological tool that provides a wealth of information on the inter-/circum-galactic med…
Design for the First Narrowband Filter for the Dark Energy Camera: Optimizing the LAGER Survey for z ~ 7 Galaxies
Zhen-Ya Zheng, James E. Rhoads, Junxian Wang +22
We present the design for the first narrowband filter NB964 for the Dark Energy Camera (DECam), which is operated on the 4m Blanco Telescope at the Cerro Tololo Inter-American Obse…
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) Spectrographs
J. C. Wilson, F. R. Hearty, M. F. Skrutskie +86
We describe the design and performance of the near-infrared (1.51--1.70 micron), fiber-fed, multi-object (300 fibers), high resolution (R = lambda/delta lambda ~ 22,500) spectrogra…