We present preliminary results of the kinematics of HII regions and diffuse gas in the irregular galaxies IC10 and NGC 4449. From Fabry-Perot Hα and [SII] observations, we have measured the radial velocities and velocity dispersions of the HII regions in these galaxies and compared them with a similar analysis done in the Small Magellanic Cloud. We

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The authors present ISOLWS spectra of 5 giant H II region in the spiral galaxy M101. The data, not yet fully reduced, were taken by using the medium resolution line AOT LWSO2, with wavelengths centered at the [O III] lines at 51.7 and 88.3 microns and the [N III] at 57.3 microns. These observations form part of an ISO guaranteed time project aimed

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This book presents a comprehensive guide to the impact of the internet on professional astronomy. Each chapter deals with a range of the electromagnetic spectrum, with authors first discussing the corresponding problems for each range, particularly those that can be treated by access to very large databases. They then describe how data and

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