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| Paper: |
An Overview of the MOS Capabilities of the 4-10 m Telescopes at La Palma Observatory for Investigating Galaxy Clusters |
| Volume: |
507, Multi-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields |
| Page: |
361 |
| Authors: |
Barrena, R.; Rubiño-Martín, J. A.; Streblyanska, A.; Ferragamo, A. |
| Abstract: |
La Palma Observatory offers four multi-object spectrographs installed on 4 and 10 m class telescopes. We present an overview of these four instruments.
As a scientific case for two of them, we present the optical follow-up of Sunyaev-Zeldovich (SZ) sources undertaken by
the Planck collaboration, focused on the detection, redshifts determination and mass estimation of the (SZ) galaxies cluster candidates. After
three years of observations we have found optical counterparts for 120 candidates confirmed spectroscopically. We have determined dynamical
masses for more than 30 systems with redshifts of z<0.85. Our experience demonstrates that DOLORES (TNG) and OSIRIS (GTC) are the ideal multi-object spectroscopy
(MOS) instruments to investigate galaxy clusters at z<0.45 and 0.45<z<0.85, respectively. |
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