A. M. Varela

TL;DR: In this article, the structural decomposition of a sample of 11 disk galaxies, which span a range of different morphological types, is presented, including bulges, disks, bars, lenses and rings.

TL;DR: In this paper, the authors presented nine months' seeing statistics at the Observatorio del Roque de los Muchachos (ORM) and found that the best seeing measured is 0.17″.

TL;DR: In this article, the authors present an overview of the characterization of the atmospheric parameters of candidate sites, making use of standard procedures and instruments as carried out within the Framework Programme VI (FP6) of the European Union.

TL;DR: In this article, the authors present a study of the atmosphere extinction at the Observatorio del Roque de los Muchachos (ORM) in the Canary Islands (Spain), carried out after analysis of a database spanning more than 20 yr, 1 to their knowledge, the longest and most complete and homogeneous in situ database available for any observatory.

TL;DR: In this paper, the authors explored and retrieved measurements from satellites with high spatial and temporal resolutions and concentrated on channels of astronomical interest, including the Ozone Monitoring Instrument on board the NASA Aura satellite and the Moderate Resolution Imaging Spectroradiometer on board NASA Terra and Aqua satellites.