3 papers
astro-ph.SR2019
The Importance of Historical Measures for Dynamical Models of the Evolution of Trapezium-type Multiple Systems
Christine Allen, Leonardo J. Sanchez, Alex Ruelas-Mayorga +1
As an illustration of the value of historical measures we present some examples of the dynamical evolution of multiple systems resembling the Orion Trapezium. We constructed models…
astro-ph.IM2016
LOLAS-2 : redesign of an optical turbulence profiler
R. Avila, C. A. Zuniga, J. J. Tapia-Rodriguez +5
We present the development, tests and first results of the second generation Low Layer Scidar (LOLAS-2). This instrument constitutes a strongly improved version of the prototype Lo…
astro-ph.SR2016
CCD photometry of the Globular Cluster NGC 6093
A. Ruelas-Mayorga, L. J. Sanchez, C. A. Bernal-Herrera +3
In this paper we present photometric CCD observations of the globular cluster NGC 6093 (M80) in filters B, V , R and I. We produce the colour-magnitude diagrams for this object and…