We present detailed star formation and chemical enrichment histories obtained for six isolated Local Group galaxies in the context of the LCID (Local Cosmology...

This review presents a panorama of the research topics that are currently being developed by our strategic research group at the IAC in the field of very low...

Extending the classical Levy-Steinitz rearrangement theorem, which in turn extended Riemann's theorem, Banaszczyk proved in 1990/93 that a metrizable, locally...

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In this work we used a series of open clusters and associations observed by the Gaia-ESO Survey (GES) to study the use of lithium abundances (Li I spectral line...

The term "Target of Opportunity" (ToO) is used in astronomy to identify unpredictable events whose study is of the highest scientific interest. For XMM-Newton a...

We lack a reliable scenario for the formation and evolution of stars and their planetary systems, involving key factors such as magnetic fields and turbulence...

During the OJ-94 campaign one monitored the blazar 3C 66A as a secondary target. Here the authors present the observed V-band light curve. This blazar was in...

During the international OJ-94 campaign we have also monitored blazar 3C 66A. Since fall 1993 we have collected over 500 V-band observations. This constitutes...