The program is available with the lists of accepted oral and mural presentations.
Invited talks will have a duration of 45 minutes (40m exposition and 5m questions), oral contributions will have 15 minutes (10m exp. and 5m questions.).
For the posters, a template has been designed where indications and suggestions are included.
Posters should be sent before October 15 to the following e-mail address: aaa2021@observatorio.unc.edu.ar
Tentative list to be updated as participation is confirmed.

Dr. Marcelo M. Miller Bertolami
Universidad Nacional de la Plata
Argentina
Stellar Astrophysics

Dr. Bruno Días
European Sourthen Observatory & Universidad Andres Bello
Chile
Stellar Systems

Dr. Yamila Miguel
Leiden Observatory
The Netherlands
Solar and Extrasolar Systems

Dr. Sol Alonso
Universidad Nacional de San Juan
Argentina
Extragalactic astrophysics and cosmology

Dr. Joseph Anderson
European Sourthen Observatory
Chile
Compact Objects and High Energy Processes

Dr. Manuel Fernández
Instituto Argentino de Radioastronomía
Argentina
Interstellar Medium

Dr. Laura Balmaceda
George Mason University
USA
Sun and Heliosphere

Dr. Andrea Fortier
University of Bern
Switzerland
Instrumentation and Astronomical Site Characterization

Dr. Martín Leiva y Dr. Mónica Oddone
Observatorio Astronómico de Córdoba
Argentina
History, Teaching and Spreading of Astronomy

Dr. Gustavo Baume
Universidad Nacional de la Plata
Argentina
Galactic Structure

Dr. Ana Maria Pacheco
Observatorio Astronómico Félix Aguilar
Argentina
Astrometry and Space Geodesy

Dr. Matías Zaldarriaga
Institute for Advanced Study
USA
Cosmology

José L. Sersic Award
Proposals for oral presentations will be considered from July onwards.
From July onwards, proposals for poster presentations will be accepted.
Time will be set aside for the exhibition of student-led work. .