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In the paper "Violent Star Formation in NGC 2363" by Rosa M. Gonzalez- Delgado, Enrique Perez, Guillermo Tenorio-Tagle, Jose M. Vilchez, Elena Terlevich, Roberto Terlevich, Eduardo Telles, Jose M. Rodriguez-Espinosa, Miguel Mas-Hesse, Maria Luisa Garcia-Vargas, Angeles I. Diaz, Jordi Cepa, and Hector Castaneda (ApJ, 437,239 [1994)), there are three

In the luminosity functions (LF's) of the HII regions of a set of late-type spiral galaxies we have identified the presence of a phase-change via a jump in the function accompanied by a change in slope.The nature of the phase-change is diagnosed using measurements of the internal radial surface brightness of individual regions.Plotting the internal

We investigate the radial variation of the magnetic field structure across sunspots, pores and azimuth centers (ACs). We define ACs as magnetic structures of about the same size as pores (all structures studied here are larger than 3 Mm diameter), but without a clear (at least 5%) continuum decrease associated with them. We start from the full 3D

We present a quantitative derivation of the recent star formation history (SFH) in different regions in the main body of NGC 6822. It has been performed using a set of model CM diagrams computed under different assumptions for the recent (~400 Myr) SFH and in which the crowding effects have been simulated using the particular crowding information