We present the results of optical fast photometry of five SXTs in quiescence: V404 Cyg, A 0620--00, J 0422+32, GS 2000+25 and Cen X--4 and report the evidence...

The wealth of exoplanets and the architectures of planetary systems that continue to emerge, is astounding and raises questions about the general picture of...

From C, T1 Washington photometry in the field of NGC 1697, SL 133, NGC 1997, SL 663, and OHSC 28, five mostly unstudied star clusters in the LMC, we estimate...

Bars drive the dynamical evolution of disk galaxies by redistributing mass and angular momentum, and they are ubiquitous in present-day spirals. Early studies...

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We have calculated the evolution of a 0.49 Msolar hydrogen deficient white dwarf up to very low effective temperatures. The final model has been obtained by...

We define blue E/S0 galaxies as objects having a clear early-type morphology on the HST/ACS images but with a blue rest-frame color. We isolate this way 210 IAB...

We present an analysis of the surface brightness profiles of a sample of 435 late type galaxies with redshift extending up to z˜1. We have used imaging data...