File table1.dat contains the identification number, the coordinates (2000), the Hα+[NII] flux and the [OIII]5007 flux of the PNe detected in Messier 33, with the Isaac Newton Telescope (INT) (La Palma, Spain) in 1998, November. File table2.dat contains the identification number, the coordinates (2000), the Hα flux, the [OIII]5007 flux and the

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From an analysis of the stars remaining in central regions of the Galaxy after subtracting those belonging to the disc and the bulge, we deduce that the inner bulge must have an extra young population with respect to the rest of the bulge. It is shown that there is a higher ratio of very bright stars in the central bulge than there is in the outer

The turbulent convection zone is now considered as the only known source of the excitation of p-modes in the Sun. In Perez and Roca Cortes (1999) an analysis was made of the data set available to date of GOLF aboard SOHO (before SOHO loss), checking that the energy distribution of the acoustic modes is of a Boltzmann type. At present we have a new

Recent data colleted by the helioseismic experiments aboard SOHO have allowed the detection of low degree p-modes with lower and lower order, n. In particular, the GOLF experiment is currently able to identify unambiguously modes as low as n = 8 for l = 0, and l = 1 (e.g., ≍1.3 mHz). To detect p-modes with lower n (hence lower frequeny), where the

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