Found 111 talks archived in Telescopes and instrumentation

Friday March 8, 2024
Marcos Reyes García Talavera


El objetivo de esta charla es presentar los recientes avances del sistema de Óptica Adaptativa de GTC (GTCAO). Se resumirán los resultados de las pruebas de aceptación en la sala AIV en abril de 2023; las dificultades y el éxito del transporte al ORM y la instalación en GTC en junio de 2023; la integración del sistema con el control del telescopio y los primeros resultados de las campañas de commissioning en cielo. Se repasará también brevemente el estado del resto de proyectos del programa, en concreto el sistema de Estrella Guía Láser y el instrumento GRANCAIN.

Friday November 24, 2023
Dr. Mahy Soler


El Telescopio Solar Europeo (EST) se construirá en el Observatorio del Roque de los Muchachos, un lugar conocido por sus excelentes condiciones de observación. El propio diseño de EST puede influir en estas condiciones y afectar a su calidad óptica en un efecto denominado ‘seeing’ local. La Oficina de Proyecto de EST ha implementado una nueva metodología para estimar el ‘seeing’ local combinando análisis térmicos, de dinámica de fluidos y ópticos. En esta presentación se expondrá esta metodología y su aplicación en criterios de diseño. 


Monday September 25, 2023
Dr. Noelia Martinez
Australian National University


El Advanced Instrumentation and Technology Centre (AITC), que forma parte de la Research School of Astronomy and Astrophysics de la Universidad Nacional de Australia, cuenta con un equipo de alrededor de 50 ingenieros e investigadores, tanto de Australia como de diversas partes del mundo, dedicados al desarrollo de instrumentación para telescopios, ya sean terrestres o espaciales.


En esta presentación, la Dra. Noelia Martínez brindará una visión general de los proyectos principales que se están llevando a cabo en el AITC en el marco del programa de óptica adaptativa con estrellas guía láser. El equipo de óptica adaptativa de la ANU trabaja en sistemas aplicados a la astrofísica, la detección de basura espacial y las comunicaciones ópticas. Noelia presentará proyectos que actualmente se encuentran en la fase de diseño final, como el sistema de óptica adaptativa de ground layer para el telescopio Subaru de 8 metros, en Hawaii. En este proyecto, la ANU tiene la responsabilidad del módulo del sensor de frente de onda y de la infraestructura de telescopio para las estrellas guía láser. Además, se abordará el desarrollo del sistema de óptica adaptativa de tomografía láser para el GMT, el telescopio de 25 metros que se instalará en Las Campanas, Chile.


Teniendo en cuenta el crecimiento exponencial del portafolio de proyectos en el programa de investigación de estrellas guía láser, Noelia busca aprovechar esta oportunidad para explorar áreas de colaboración entre los investigadores e ingenieros del IAC y de la ANU.



Thursday September 7, 2023
Dr. Peter Hammersley


MOONS is a 0.8 to 1.8 microns multi-object spectrometer for the Nasmyth focus of UT1 that is being built by a consortium led by the UK-ATC. The instrument is fibre fed, has a multiplex of 1000 and covers a total field of 25 arc minutes in diameter with a high transmission. There are two spectral resolving powers, ~4000 spanning the full wavelength range and a higher resolution mode which gives ~9000 in the I window and ~20,000 in a region in H windows. The instrument itself has two main parts:

  • The rotating front-end which is at the focal plane and houses the fibre positioners, acquisition system, metrology system for the fibres, etc., and
  • The cryogenic spectrograph which houses the spectrograph optics, VPH gratings and detectors.

MOONS is now approaching completion and is due to be shipped to Paranal in March 2024. This talk presents the MOONS instrument, the science that it will allow, and its current status.

Tuesday May 9, 2023
Dr. Jeff Kuhn
University of Hawaii + IAC


What would a 35m-scale narrow field-of-view telescope look like that is designed for high dynamic range direct imaging science? The EU has charged the IAC in a 5 year program to explore and develop the concepts and technologies that could make such a ground-based telescope possible. From tensegrity mechanics to astrophotonic wavefront sensing and control in Fizeau optics, the IAC and IACTEC "Laboratory for Innovation in Optomechanics (LIOM)" is just now starting these research activities. This talk will outline the motivation, concepts, and prototypes that LIOM and the IAC will advance over the next few years.

Monday October 17, 2022
Dr. Dan Jaffe
The University of Texas at Austin


Until relatively recently, high-resolution infrared spectrographs could examine only tiny portions of individual spectral windows in a single exposure.  Silicon immersion gratings, combined with sensitive, large-format IR detectors have made it possible to observe broad swaths of the IR at once at very high resolution and to do so on much fainter systems.  We discuss the development of Si diffractive optics and of the H and K spectrograph IGRINS (now in use on the Gemini South Telescope) and the Giant Magellan Telescope Infrared Spectrograph, which will observe from 1.08 μm to 5.4 μm at R=λ/Δλ=65,000-85,000 in a single exposure.  We present results from IGRINS that demonstrate its sensitivity and versatility as it sheds new light on the atmospheres of exoplanets and cool brown dwarfs, on the evolution of YSO’s and on the physics of the ISM.

Monday December 13, 2021
Dr. Macarena García Marín



The Webb Telescope, the next flagship astrophisical mission from NASA, ESA and the CSA, will be launch on December 18th 2021. With a 6.5 m primary mirror, it harbors 4 state-of-the-art instruments with powerful spectroscopic, imaging and coronagraphic capabilities. During Cycle 1 more than 10000 hours of observing time have been allocated to 400 programs and over 2500 worldwide researchers. From the epoch of reinonization and the evolution of galaxies, to studies of the interestellar medium, evolved stars, debris disks and planetary atmospheres, nearly every area of astrophysics and planetary astronomy are already represented in the first year of observations. This contribution will explore Webb's main areas of studies in Cycle 1, that will certainly open a new space for astrophysical discovery. 


Tuesday July 13, 2021
Dr. Thomas Schweizer
Max Planck Institut fuer Physik (Múnich)


The MAGIC telescopes are a stereoscopic system
of two 17m mirror diameter Cherenkov telescopes for gamma-ray observations, in operation since many years on the island of
La Palma at the Observatorio del Roque de los Muchachos.
A new installation allows us to use those telescopes as optical
intensity interferometer which enables us to measure the size of bright
objects in the range of 0.6-1.5 milli-arcsec and other physical
parameters. In this presentation the setup is explained, our physics
targets, first results and also a future outlook of this project
with respect to the Cherenkov telescope array (CTA) currently
in construction.

Thursday May 6, 2021
Prof. John Tonry
University of Hawaii


The "Asteroid Terrestrial-impact Last Alert System" (ATLAS) is funded by NASA to find dangerous asteroids before they strike the Earth. It has operated from two Hawaii sites since 2015 and will very soon have South Africa and Chile sites to cover the entire visible sky every night four times to a limiting magnitude of m~19.5 per exposure. The process of finding asteroids leads to auxiliary data products along the way including accurate photometry of all stars in the sky and detection of flares and transients.  I will describe ATLAS, how we approach our NASA mission to find NEOs, how ATLAS fits in with other ongoing or planned surveys, some of the data products that are available now, and the many new scientific opportunities that are emerging and waiting to be exploited.  Time will be reserved at the end of the talk for some real time demonstrations: audience participation is encouraged.  References include 2018PASP..130f4505T, our public web page at and to see our current fisheye and webcam views at all four sites.


Zoom link:

Meeting ID: 822 4128 8569
Passcode: 776606


Friday April 9, 2021
Jorge Quintero


En la presente charla hablaremos de la sobre la actualización que se está llevando a cabo en el software de control del Instrumento Gris de Gregor y como se ha intentado poner en marcha un sistema de integración continua. Además, se comentará la idea de montar un banco polar basado en un sistema de integración continua.