The importance of forbidden line radiation is considered, taking into account lines in the visible and the infrared range. The result of a theoretical study...
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PublicationThe detection of the 18.7 micrometer /SIII/ line in M42
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PublicationThe Effect of Piston Errors on the Image Quality of Ground-Based Segmented Mirror Telescopes
The errors associated with a segmented primary mirror limit the image quality obtainable with those astronomical telescopes which employ them. It is necessary...
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PublicationThe European Solar Telescope
The European Solar Telescope (EST) is a project to design, build and operate an European Solar 4-meter class telescope to be located in the Canary Islands, with...
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PublicationThe European Solar Telescope
The European Solar Telescope (EST) is a project aimed at studying the magnetic connectivity of the solar atmosphere, from the deep photosphere to the upper...
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PublicationThe Gaia mission
Gaia is a cornerstone mission in the science programme of the EuropeanSpace Agency (ESA). The spacecraft construction was approved in 2006, following a study in...
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PublicationThe GCS Data Processing Kit
As part of the GTC Control System (GCS) a data processing package is being developed. We will describe the perfomance of the Data Processing Kit (DPK), using...
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PublicationThe Impact of Seismicity on High Angular Resolution Astronomy:. the Case of the Canary Islands
Seismicity induces ground vertical and horizontal displacements that could affect the image quality obtained by telescopes in a similar fashion than atmospheric...
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PublicationThe instrumental polarization of a Gregory-coude telescope
A theoretical model of the polarization properties of a Gregory-coude telescope is calculated to predict the behavior of the German Gregory-coude telescope...
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NewsThe Japanese ambassador to Spain visits the IAC and the Canary Observatories
The Japanese ambassador to Spain, Kenji Kiramatsu, yesterday visited the Instituto de Astrofísica de Canarias (IAC) and the Canary Island Observatories...