The GTC (Gran Telescopio Canarias), a 10 meter segmented telescope being constructed at the ORM in La Palma, Spain, is as of this writing entering its integration phase. First light is planned for early 2003, with science operations scheduled for 2004. At that time the GTC will be provided with two science instruments. These will cover a wide

We are studying the properties of a sample of satellite galaxies around nearby isolated spirals (Zaritsky et al. 1997), with the aim of testing hierarchical models of galaxy formation. Satellite galaxies can give us information on intermediate steps in the merging and aggregation processes which, according to the models, form the larger dynamical

Integral-field spectroscopy techniques are ideal to study objects of complex morphology and kinematics such as the circumnuclear region of AGN. We have obtained the stellar and ionized gas kinematics of four Seyfert galaxies by using integral field spectroscopy with optical fibers. For each galaxy, the kinematics of the stellar component can be

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