PARSEC project

The central parsec of galaxies across the electromagnetic spectrum



The PARSEC project is a multi-wavelength study at subarcsec scales of the nuclear region of the brightest galaxies in the near Universe. We are using the highest available spatial resolution accross the entire eletromagnetic spectrum from the high energies to the radio-cm range.

The galaxies under study cover a wide range of nuclear activity, from quiesent state to low luminosity active nuclei to the highest state Seyfert and Qso phase. We are interested in the origin and morphology of dust and gas in the central parsec of active and normal galaxies, these being the pre-conditions for the onset of activity. The spectral energy distribution of the central few parsecs is investigated as a function of the nuclear activity level and the accretion disc efficency. The nature and shape of the ionization spectrum are traced via the analysis of the high ionization coronal lines.