This document discusses the possibility of using compressed sensing techniques for measuring 2D spectro-polarimetric information using only one etalon and a...
-
PublicaciónCompressed sensing for next generation instruments
-
PublicaciónConceptual Design of a two-degree field corrector and ADC for prime focus at the 4.2 m WHT
We present a conceptual optical design for a new refractive corrector for the prime focus of the 4.2 m William Herschel Telescope, optimised to allow wide-field...
-
PublicaciónCorrection of the dome seeing contribution from generalized-SCIDAR data using evenness properties with Fourier analysis
Generalized-Scintillation Detection and Ranging (g-SCIDAR) has proven to be the most reliable and efficient technique for obtaining the vertical structure of...
-
PublicaciónCOSMOSOMAS: a circular scanning instrument to map the sky at centimetric wavelengths
We describe the first instrument of a cosmic microwave background experiment for mapping cosmological structures on medium angular scales (the COSMOSOMAS...
-
PublicaciónData Reduction Pipeline for EMIR, the Near-IR Multi-Object Spectrograph for GTC
EMIR (Balcells et al. 2000) is a near-infrared wide-field camera and multi-object spectrograph being built for the GTC. The Data Reduction Pipeline (DRP) will...
-
PublicaciónData treatment towards the ELT age. The ESPRESSO case
Several ambitious scientific projects are currently pushing the limits of astrophysical spectroscopy, in terms of wavelength accuracy and long-term stability...
-
PublicaciónDetecting photons with orbital angular momentum in extended astronomical objects: application to solar observations
Context. The orbital angular momentum (OAM) of the photon is a property of light from astronomical objects that has not yet been measured. We propose a method...
-
PublicaciónDiagnostics for spectropolarimetry and magnetography
An assessment on the capabilities of modern spectropolarimeters and magnetographs is in order since most of our astrophysical results rely upon the accuracy of...
-
PublicaciónDifferential atmospheric refraction in integral-field spectroscopy: Effects and correction. Atmospheric refraction in IFS
The basic concepts for determining the effect of differential atmospheric refraction on integral-field (two-dimensional) spectroscopic observations are...