The problematic existence of massive black holes in the early Universe
IFPU
16th-20th October 2023
Observations show that z~6 quasars are powered by super massive black holes (with masses exceeding trillions of solar masses), whose formation is one of the biggest mysteries for current theoretical and observational cosmology. The most recent JWST observations have revealed the presence of intermediate massive black holes (~millions of solar masses) in galaxies at even higher redshifts (z~10) than currently known quasars. Models suggest that SMBHs grow through gas accretion onto massive seeds, the so-called “direct collapse black holes” (~100 thousands of solar masses). The growth of such massive black holes is regulated by feedback processes that may quench their host galaxy’s star formation and reduce the gas accretion efficiency.
The motivation for this focus week is to bring together different communities that investigate the physical properties of early massive black holes both from the observational and theoretical point of view to trigger new ideas and solutions about the problematic existence of massive black holes at high redshift.
Reference webpage: https://indico.sns.it/event/66/
Organisers:
- Simona Gallerani
- Valentina D’Odorico
- Chiara Feruglio
Participants:
- Valentina D’Odorico
- Chiara Feruglio
- Fabrizio Fiore
- Manuela Bischetti
- Roberta Tripodi
- Paramita Barai
- Milena Valentini
- Stefano Borgani
- Alice Damiano
- Salvestrini Francesco
- Louise Welsh
- Simona Gallerani
- Andrea Ferrara
- Stefano Carniani
- Maulik Bhatt
- Markov Vladan
- Paramita Barai
- Manuela Bischetti
- Stefano Borgani
- Alice Damiano
- Valentina D’Odorico
- Chiara Feruglio
- Fabrizio Fiore
- Francesco Salvestrini
- Roberta Tripodi
- Milena Valentini
- Louise Welsh