In savvy pursuit of Local Group blue massive stars
The important role of metallicity on massive star evolution and the combination of multi-object spectrographs and 10m class telescopes, have lead to numerous...
In search of cosmic order: Astronomy and culture in Ancient Egypt
Over the past five years, the Egyptian-Spanish Mission on the archaeoastronomy of ancient Egypt and its collaborators has been performing an ambitious...
In situ Ca and Mg abundancies in the stellar halo of the Galaxy
We still have a very limited knowledge about the formation of the early Milky Way. A line of research has focused on understanding the nature of the stellar...
The main goal of this work is the analysis of new approaches in order to study the properties of astronomical sites. The objective is to calibrate the...
We report on the in-orbit calibration of staring and chopped observations performed with the spectrophotometer ISOPHOT-S. Staring observations are calibrated...