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Spectral Morphology in Southern open Clusters and Associations at La Plata Observatory

  • H. Levato (a1) and S. Malaroda (a1)

Abstract

Our purpose is to describe the program on spectral classification of members of open clusters and associations started in January 1977 at La Plata Observatory. The program is essentially a continuation of the Abt and Levato studies made from Kitt Peak so, many details of it have been already described in Dr. Abt’s paper in this volume. We have a list of 40 clusters and associations included in the program which consists in obtaining two sets of spectra in two dispersions, 39 Å/mm and 125 Vmm, both sets 1.2 wide. These spectra, as has already been mentioned, are very useful for deriving accurate MK types and for discovering peculiar stars.

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+ Member of the Carrera del Investigador Cientifico del Consejo Nacional de Investigaciones Cientificas y Técnicas de la Republica Argentina.

* Member of the Carrera del Investigador Cientifico de la Comisión de Investigaciones Cientificas de la Provincia de Buenos Aires.

Spectral Morphology in Southern open Clusters and Associations at La Plata Observatory

  • H. Levato (a1) and S. Malaroda (a1)

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