Quasars and the intergalactic medium at cosmic dawn
Aula GrattonHigh-redshift quasars provide direct probes to the formation of the earliest supermassive black holes, their
10 eventi found.
Colloquium – Riccardo La Placa: FRBs from neutron star magnetospheres: a unified model
Aula GrattonFast Radio Bursts (FRBs) have, since their first detection, ranked among the most puzzling events in the
Alessia Tortosa: Deep broad-band X-ray investigation of extreme accretion onto supermassive black holes
Aula GrattonSuper-Eddington accretion periods are expected to be extremely important to explain the fast growth of
Tiziana Macaluso, Francesco Poppi: Le prime osservazioni astronomiche in fotografia e le immagini conservate nell’archivio INAF-OAR. Studio a supporto del recupero conservativo.
Aula GrattonLe prime immagini astronomiche, conservate presso l'archivio INAF-OAR, sono tre dagherrotipi ottenuti da Angelo Secchi
colloquium Gregory Sloan: Carbon stars and dust in the Universe
Aula GrattonIntermediate-mass stars become carbon-rich in the final phases of their lives as stars. As they
colloquium – Richard de Grijs: Unveiling the complexities of massive star clusters
Aula GrattonAround the turn of the last century, star clusters of all kinds were considered ‘simple’
colloquium – Davide Massari: Globular clusters as tracers of the Milky Way assembly history
Aula GrattonThe combination of stellar proper motions measured by the Gaia mission with spectroscopic radial velocities
colloquium – Mario Llerena: Probing the extreme ISM of extreme emission line galaxies at z~4-9
Aula GrattonOver the past decades, several studies have discovered a population of galaxies that undergo very