Laser Guide Star Adaptive Optics (LGS-AO) is becoming routine in several astronomical observatories. The use of powerful lasers generates sensible Raman...
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PublicationLaser Guide Star uplink beam: scattering and Raman emission measurements with the 10.4m Gran Telescopio CANARIAS
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PublicationMeasurements of the Surface Brightness of the Earthshine with Applications to Calibrate Lunar Flashes
We have used the large database of photometric observations of the bright and dark portions of the face of the Moon from the Earthshine Project at Big Bear...
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PublicationMELCHIORS. The Mercator Library of High Resolution Stellar Spectroscopy
Aims: Over the past decades, libraries of stellar spectra have been used in a large variety of science cases, including as sources of reference spectra for a...
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PublicationMulti-instrument measurement campaign at Paranal in 2007. Characterization of the outer scale and the seeing of the surface layer
Aims: Within the framework of site qualification for the future European large telescope E-ELT, a campaign of measurements was carried out for ten nights in...
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PublicationNatural Night Sky Brightness during Solar Minimum
In 2018, Solar Cycle 24 entered into a solar minimum phase. During this period, 11 million zenithal night sky brightness (NSB) data were collected at different...
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PublicationNight-time image quality at Roque de LOS Muchachos Observatory
Nine months' seeing statistics at the Observatorio del Roque de los Muchachos (ORM) are presented. Measurements were taken with a differential image motion...
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PublicationNight-time seeing and atmospheric behaviour in the Canary Islands observatories
The effects of atmospheric turbulence on astronomical observations from the Observatorio del Teide (Tenerife) and the Observatorio Roque de los Muchachos (La...
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PublicationOptical linear polarization in ultra cool dwarfs. A tool to probe dust in the ultra cool dwarf atmospheres
Aims. Recent studies have detected linear polarization in L dwarfs in the optical I band. Theoretical models have been developed to explain this polarization...
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PublicationOptimization with numerical simulations of the conjugate altitudes of deformable mirrors in an MCAO system
This article reports on the results of simulations conducted to assess the performance of a modal Multi-Conjugate Adaptive Optics (MCAO) system on a 10 m...