Mr. Ivan Munoz Profile

Ivan Munoz

at European Southern Observatory

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Author

Publications (7)

Proceedings Article | 25 July 2024 Presentation + Paper

Advancements in astronomical instrumentation: a new control software framework for ELT and VLT instruments at ESO

M. Kiekebusch, L. Andolfato, D. Del Valle, S. Feyrin, A. Hoffstadt, J. Knudstrup, C. Moins, I. Muñoz, D. Popovic, C. Reinero, C. Rosenquist, P. Sivera, R. Schmutzer, P. Szubiakowski

Proceedings Volume 13101, 131010I (2024) https://doi.org/10.1117/12.3020248

KEYWORDS: Control systems, Data acquisition, Human-machine interfaces, Cryogenics, Control software, Software development, Cameras

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Proceedings Article | 29 August 2022 Presentation + Paper

The ELT Sequencer

Iván Muñoz Máximo

Proceedings Volume 12189, 121890G (2022) https://doi.org/10.1117/12.2629596

KEYWORDS: Telescopes, Observatories, Large telescopes, Standards development, Object oriented programming

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Proceedings Article | 22 July 2014 Paper

Concept and implementation of a virtual image slicer at the VLT

S. Guisard, M. Sterzik, I. Muñoz

Proceedings Volume 9145, 914544 (2014) https://doi.org/10.1117/12.2056691

KEYWORDS: Stars, Adaptive optics, Telescopes, Active optics, Monochromatic aberrations, Polarimetry, Mirrors, Exoplanets, Wavefront sensors, Filtering (signal processing)

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Proceedings Article | 29 July 2010 Paper

Laser guide star facility at La Silla Paranal Observatory: latest upgrades, operation, and performance

J. Alvarez, J. Beltran, I. Munoz, G. Valdes, F. Gutierrez, M. Tapia, C. Ramirez

Proceedings Volume 7736, 77364X (2010) https://doi.org/10.1117/12.856976

KEYWORDS: Adaptive optics, Telescopes, Laser guide stars, Observatories, Stars, Sodium, Imaging systems, Optical amplifiers, Lanthanum, Laser stabilization

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Proceedings Article | 10 July 2008 Paper

Operation of Laser Guide Star Facility at La Silla Paranal Observatory

J. Alvarez, E. Bendek, J. Beltran, F. Gutierrez, I. Munoz, G. Valdes, N. Kornewibel

Proceedings Volume 7015, 70152O (2008) https://doi.org/10.1117/12.788454

KEYWORDS: Telescopes, Adaptive optics, Observatories, Laser systems engineering, Laser stabilization, Amplifiers, Stars, Imaging systems, Laser guide stars, Sodium

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Proceedings Article | 13 December 2002 Paper

Status of VLTI control system: how to make an optical interferometer a data-producing facility

Anders Wallander, Javier Argomedo, Pascal Ballester, Bertrand Bauvir, Mauro Comin, Rob Donaldson, Philippe Duhoux, Alberto Gennai, Bruno Gilli, Nico Housen, Alexis Huxley, Robert Karban, Mario Kiekebush, Antonio Longinotti, Ivan Munoz, Than Phan Duc

Proceedings Volume 4848, (2002) https://doi.org/10.1117/12.460963

KEYWORDS: Telescopes, Control systems, Sensors, Digital signal processing, Standards development, Data modeling, Interferometers, Interferometry, Observatories, Astronomical telescopes

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After having established routine science operations for four 8 m single dish telescopes and their first set of instruments at the Paranal Observatory, the next big engineering challenge for ESO has been the VLT Interferometer. Following an intense integration period at Paranal, first fringes were obtained in the course of last year, first with two smaller test siderostats and later with two 8 m VLT telescopes. Even though optical interferometry today may be considered more experimental than single telescope astronomy, we have aimed at developing a system with the same requirements on reliability and operability as for a single VLT telescope. The VLTI control system is responsible for controlling and co-ordinating all devices making up VLTI, where a telescope is just one out of many subsystems. Thus the pure size of the complete system increases the complexity and likelihood of failure. Secondly, some of the new subsystems introduced, in particular the delay lines and the associated fringe-tracking loop, have more demanding requirements in terms of control loop bandwidth, computing power and communication. We have developed an innovative generic multiprocessor controller within the VLT framework to address these requirements. Finally, we have decided to use the VLT science operation model, whereby the observation is driven by observation blocks with minimum human real-time interaction, which implies that VLTI is seen as one machine and not as a set of telescopes and other subsystems by the astronomical instrument. In this paper we describe the as-built architecture of the VLTI control and data flow system, emphasising how new techniques have been incorporated, while at the same time the investments in technology and know-how obtained during the VLT years have been protected. The result has been a faster development cycle, a robustness approaching that of VLT single dish telescopes and a "look and feel" identical to all other ESO observing facilities. We present operation, performance and development cost data to confirm this. Finally we discuss the plans for the coming years, when more and more subsystems will be added in order to explore the full potential of the VLTI.

Proceedings Article | 16 June 2000 Paper

VLT pointing module

Ivan Munoz

Proceedings Volume 4009, (2000) https://doi.org/10.1117/12.388400

KEYWORDS: Telescopes, Brain, Data modeling, Stars, Human-machine interfaces, Nomenclature, Lanthanum, Process control, Neodymium, Observatories

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