Results are presented from simultaneous UBVRI photopolarimetric observations of eight blazars at the 2.56-m Nordic Optical Telescope during winter 1991. In 3C...
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PublicaciónSimultaneous UBVRI photopolarimetric observations of blazars. II
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PublicaciónSite properties of the Canarian observatories. Proceedings. Workshop on Site Properties of the Canarian Observatories, La Palma (Spain), 29 - 30 Oct 1997.
The following topics were dealt with: atmospheric optics, image quality, the Gran Telescopio Canarias project, site testing, meteorological effects, the Galileo...
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PublicaciónSite Selection for the European ELT: working package included in the European FP6 ``ELT design study'' contract
The site selection for the future European Large Telescope (E-ELT) is a key issue within the European proposal funded by the European Union (EU), within the `...
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PublicaciónSize matters
The new generation of ground-based, large-aperture solar telescopes promises to significantly increase our capabilities to understand the many basic phenomena...
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PublicaciónSolar Luminosity Oscillation Telescope (SLOT)
Low degree l=0-2 solar p-modes were detected with the SLOT instruments at Izana and Baja California. The main source of noise for these ground based...
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PublicaciónSolar Site Survey for the Advanced Technology Solar Telescope. I. Analysis of the Seeing Data
The site survey for the Advanced Technology Solar Telescope concluded recently after more than 2 years of data gathering and analysis. Six locations, including...
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PublicaciónSONG-OT: The prototype SONG node at Tenerife
The prototype SONG node, SONG-OT, is currently being installed and tested at Observatory del Teide on Tenerife. SONG will be a global network of 1-m robotic...
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PublicaciónSpatial and luminosity distributions of the ionized hydrogen in NGC 3992
From H-alpha CCD observations taken with the 4.2 m William Herschel Telescope a catalog of 394 HII regions of the spiral NGC 3992 has been compiled. The...
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PublicaciónSpectro-polarimetry in the era of large solar telescopes
This paper discusses some of the challenges of spectro-polarimetric observations with a large aperture solar telescope such as the ATST or the EST. The observer...