4 papers · 1 filter
The Nature of the Local Group
Antonio Aparicio
The Local Group provides an interesting and representative sample of galaxies in the rest of the Universe. The high accuracy with which many problems can be addressed in Local Grou…
The Sagittarius Dwarf Irregular galaxy (SagDIG): distance and star formation history
I. Karachentsev, A. Aparicio, L. Makarova
The distance, star formation history and global properties of the Local Group dIrr galaxy SagDIG are derived based on an [I-(V-I)] colour--magnitude diagram of ~1550 stars. A dista…
The Local Group galaxy candidates Cas dSph, Peg dSph=AndVI, and Cam A
C. Gallart, D. Martinez-Delgado, A. Aparicio +1
We present observations of the new Local Group galaxy candidates Cassiopeia dSph, Pegasus dSph=AndVI and Camelopardalis A. Our deep color-magnitude diagrams show that the first two…
The Star Formation History in Nearby Dwarf Galaxies: the Fossil Record in the Color-Magnitude Diagram
A. Aparicio
Dwarf galaxies may play a key role in the formation and evolution of bigger systems. This make a topic of major interest knowing how they form and evolve and, in particular, how th…