[Todos] Ciclo de coloquios IAR: Viernes 2 de septiembre 14:30hs

[iandruchow en iar.unlp.edu.ar]

Colegas,

los invitamos a participar del Ciclo de Coloquios del IAR el próximo viernes 2 de septiembre a las 14:30hs. En esta ocasión, nos visitará el Dr. Sheperd Doeleman para contarnos sobre los resultados obtenidos con el Event Horizon Telescope (https://eventhorizontelescope.org/)

El Dr. Sheperd Doeleman es profesor de la Universidad de Harvard. Actualmente se desempeña como Investigador Principal del next generation Event Horizon Telescope (ngEHT) y como Founding Director del Event Horizon Telescope.

La charla se llevará a cabo en el salón de conferencias del Instituto Argentino de Radioastronomía (IAR), en el Parque Pereyra. Los invitamos a todos a venir a escuchar la charla y poder conversar con el Dr. Doeleman. Habrá café y masitas para los asistentes. Les pedimos que se anoten en este formulario si van a venir al Instituto para poder ingresar al mismo sin problemas: https://forms.gle/2RPQ6JhucwSrUZh88 (https://forms.gle/2RPQ6JhucwSrUZh88). Muchas gracias!

Por otro lado, la charla será transmitida on line mediante el link: https://meet.google.com/wbe-wmqr-nfa

¡Los esperamos!

Saludos cordiales,

Ileana.-

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Speaker: Dr. Sheperd Doeleman

Title: Imaging Supermassive Black Holes with the Event Horizon Telescope.

Abstract: Black holes are cosmic objects so small and dense, that nothing, not even light can escape their gravitational pull. Until recently, no one had ever seen what a black hole actually looked like. Einstein's theories predict that a distant observer should see a ring of light encircling the black hole, which forms when radiation emitted by infalling hot gas is lensed by the extreme gravity near the event horizon. On April 10th, 2019, the EHT project reported success: using a global network of radio dishes we have imaged the 6.5 billion solar mass black hole in galaxy M87, and we have seen the predicted strong gravitational lensing that confirms the theory of General Relativity at the boundary of a black hole. This was followed up on May 12th, 2022 by the first image of, SgrA*, the 4 million solar mass black hole in the center of the Milky way. This talk will cover how this was accomplished, details of the first results, as well as future directions that will enable real-time black hole movies.
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