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X-WR-CALDESC:Eventi per Osservatorio Astronomico di Roma
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DTSTART:20220327T010000
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DTSTART;VALUE=DATE:20230509
DTEND;VALUE=DATE:20230510
DTSTAMP:20260406T064120
CREATED:20230210T064205Z
LAST-MODIFIED:20230210T064205Z
UID:11281-1683590400-1683676799@www.oa-roma.inaf.it
SUMMARY:OAR student's day
DESCRIPTION:
URL:https://www.oa-roma.inaf.it/event/oar-students-day/
LOCATION:Aula Gratton
CATEGORIES:Congressi
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230517T143000
DTEND;TZID=Europe/Rome:20230517T153000
DTSTAMP:20260406T064120
CREATED:20230210T065013Z
LAST-MODIFIED:20230210T065013Z
UID:11291-1684333800-1684337400@www.oa-roma.inaf.it
SUMMARY:JAC Colloquium: Bertrand Lamasle
DESCRIPTION:
URL:https://www.oa-roma.inaf.it/event/jac-colloquium-bertrand-lamasle/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230523T113000
DTEND;TZID=Europe/Rome:20230523T123000
DTSTAMP:20260406T064120
CREATED:20230325T095954Z
LAST-MODIFIED:20230515T153733Z
UID:11370-1684841400-1684845000@www.oa-roma.inaf.it
SUMMARY:colloquium - Alessandra De Rosa: The quest for dual and binary supermassive black holes
DESCRIPTION:Hierarchical models of galaxy formation predict that galaxy mergers represent a key transitional stage of rapid SMBH growth; however\, the lack of a census of AGN pairs over cosmic time prevents us from firmly connecting AGN triggering and merging processes.\nThe quest for pairs of SMBHs at the dawn of the multi-messenger era is compelling. These systems represent the natural precursor to coalescing SMBHs that are among the loudest sources of gravitational waves.  Detecting dual AGN – active SMBHs at projected separations larger than several parsecs – and binary AGN – active SMBHs  bound in a Keplerian binary – is an observational challenge.\nThe talk will review the observational efforts\, across the electromagnetic spectrum\, on the detection and study of dual and binary SMBHs and will reflect on broader implications of these findings when considering the current simulations of merging BH.
URL:https://www.oa-roma.inaf.it/event/colloquium-alessandra-de-rosa/
LOCATION:Aula Gratton
CATEGORIES:Seminari
ORGANIZER;CN="Flavia Dell'Agli":MAILTO:flavia.dellagli@inaf.it
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230530T113000
DTEND;TZID=Europe/Rome:20230530T123000
DTSTAMP:20260406T064120
CREATED:20230210T064708Z
LAST-MODIFIED:20230520T105901Z
UID:11287-1685446200-1685449800@www.oa-roma.inaf.it
SUMMARY:colloquium - Michele Perna: First results from the JWST GTO programme 'Galaxy Assembly with NIRSpec IFS’ (GA-NIFS):  The gaseous environment and ISM properties of quasars at z = 3-7
DESCRIPTION:The JWST/NIRSpec GTO programme ‘Galaxy Assembly with NIRSpec IFS’ (GA-NIFS) is an ambitious project aimed at characterising the internal structure of >40 distant galaxies and active galactic nuclei (AGN) and quasars (QSOs) at z=3-9\, and\, therefore\, to investigate the primary physical processes driving galaxy evolution across cosmic time. In this talk I will present an overview of the very first results obtained from a subsample of QSOs\, as well as the analysis and the knowledge on optimising the QSO-host decomposition in NIRSpec IFS data (Perna et al. 2023\, Marshall et al. 2023\, Übler et al. 2023).\nI will discuss the interacting environment of two QSOs at z~6.8 and one at z~5.5\, as well as the ultra-dense environment of a dual AGN at z~3.3. I will also present their interstellar medium properties\, in terms of dynamical conditions\, ionisation\, metallicity\, and outflows energetics. In particular\, I will discuss the limitations of classical emission line diagnostics to distinguish between AGN and star formation ionisation source\, and the relation between black hole masses and host galaxy properties in the context of other recent JWST results on high-z QSOs.
URL:https://www.oa-roma.inaf.it/event/colloquium-michele-perna/
LOCATION:Aula Gratton
CATEGORIES:Seminari
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