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Biases in the estimation of velocity dispersions and dynamical masses for galaxy clusters
Antonio Ferragamo, José Alberto Rubiño-Martín, Juan Betancort-Rijo +3
Using a set of 73 numerically simulated galaxy clusters, we have characterised the statistical and physical biases for three velocity dispersion and mass estimators, namely biweigh…
Optical validation and characterization of Planck PSZ2 sources at the Canary Islands observatories. II. Second year of LP15 observations
A. Aguado-Barahona, R. Barrena, A. Streblyanska +4
We present the second and last year of observations of our optical follow-up programme 128-MULTIPLE-16/15B (LP15 )at Roque de los Muchachos Observatory (La Palma), which has been d…
The nature of faint radio galaxies at high redshifts
A. Saxena, H. J. A. Röttgering, K. J. Duncan +9
We present spectra and near-infrared images of a sample of faint radio sources initially selected as promising high-redshift radio galaxy (HzRG) candidates. We have determined reds…
Optical validation and characterization of \Planck\ PSZ2 sources at the Canary Islands observatories. I. First year of LP15 observations
A. Streblyanska, A. Aguado-Barahona, A. Ferragamo +5
Using telescopes at the Canary Island observatories, we conducted the long-term observational programme 128-MULTIPLE-16/15B (LP15), a large and complete optical follow-up campaign…