Toward accurate radial velocities with the fiber-fed GIRAFFE multi-object VLT spectrograph
Abstract
We describe briefly the Data-Reduction of the VLT fiber-fed multi-object GIRAFFE spectrograph - part of the VLT FLAMES facility. We focus on specific features of GIRAFFE - the simultaneous wavelength calibration - and their impact on the data-reduction strategy. We describe the implementation of the global physical model and we compare the results obtained with the simulated, laboratory and preliminary data. We discuss the influence of critical parameters, the overall accuracy of the wavelength solution, and the stability and the robustness of the global model approach. We address the accuracy of radial velocity measurements illustrated by solar spectra obtained during the Preliminary Acceptance in Europe.
Más información
Título según WOS: | ID WOS:000180673000017 Not found in local WOS DB |
Título de la Revista: | FOURTEENTH INTERNATIONAL CONFERENCE ON MACHINE VISION (ICMV 2021) |
Volumen: | 4847 |
Editorial: | SPIE-INT SOC OPTICAL ENGINEERING |
Fecha de publicación: | 2002 |
Página de inicio: | 184 |
Página final: | 194 |
DOI: |
10.1117/12.460552 |
Notas: | ISI |