NGC 5506 is a peculiar Seyfert (Sy) galaxy: it has a Sy2-like optical spectrum, but broad permitted infrared lines and a high X-ray luminosity as compared with Sy2's. By means of optical long slit spectroscopical observations, we obtained the velocity field, density and reddening of the narrow line region (NLR), as well as a detailed analysis of

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IAUC 6096 available at Central Bureau for Astronomical Telegrams.

The results of a long term programme of broad band JHK photometry, for a sample of 360 late type stars, made at the Observatorio del Teide (Tenerife, Spain) are presented. Transformations between these magnitudes and those of several currently used systems (CIT (Elias et al. 1982 and Carney 1983), Johnson (Johnson 1966, and Lee 1970), and ESO

LA MEMORIA TITULADA "TRIDIMENSIONAL DISTRIBUTION OF HORIZONTAL VELOCITY UNDER THE SOLAR SURFACE", QUE PRESENTA D. JESUS PATRON RECIO PARA ACCEDER AL GRADO DE DOCTOR EN ASTROFISICA, ES EL RESULTADO DE UN INTENSO TRABAJO BASADO EN EL ANALISIS DE LAS OSCILACIONES SOLARES, CON EL OBJETO DE ESTIMAR LA DISTRIBUCION DE FLUJOS DE VELOCIDADES HORIZONTALES