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astro-ph2001
The Great Austral Nearby Young Association
C. A. O. Torres, G. R. Quast, R. de la Reza +2
Observing ROSAT sources in an area covering 30% of the Southern Hemisphere, we found evidences for a great nearby association (GAYA), comprising the proposed associations of…
astro-ph2001
New Southern Groups
R. de la Reza, L. da Silva, E. Jilinski +2
Since the eighties we have begun, in Brazil, a search for Post-T Tauri stars. Here we describe the main steps of this research that resulted in the discovery of the nearby TW Hya a…