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DTSTART;TZID=Europe/Rome:20210113T113000
DTEND;TZID=Europe/Rome:20210113T123000
DTSTAMP:20260413T214322
CREATED:20201219T105808Z
LAST-MODIFIED:20201219T110954Z
UID:8749-1610537400-1610541000@www.oa-roma.inaf.it
SUMMARY:The X-ray rise of primeval titans: HYPerluminous quasars at the Epoch of ReionizatION (HYPERION)
DESCRIPTION:The outstanding mass growth of the Supermassive Black Holes powering\nluminous quasars at the Epoch of Reionization (EoR\, z > 6) is one of\nthe most debated open problems of modern extragalactic\nastrophysics. These quasars are current targets of extensive\nmultiwavelength campaigns with todays flagship observatories\, in order\nto understand their properties. The limited sensitivity of current\nX-ray observatories\, however\, has so far provided mostly low quality\nspectra (< 10 − 15 counts; 0.5-10 keV) and therefore a poor\ncharacterization of their nuclear properties. I will present HYPERION\,\na 2.4 Ms Multi-Year Heritage XMM programme on the titans among z = 6 −\n7.5 quasars (i.e. the most luminous/massive at their epoch) designed\nto dramatically improve the X-ray data quality to 100 counts for a\nsample of 15 sources. HYPERION will deliver unprecedented constraints\non their nuclear properties\, accretion\, ejection\, disc/corona complex\,\nand\, while perfectly complementing observations at other wavelengths\,\nwill enable X-ray spectroscopic population studies at EoR to begin.
URL:https://www.oa-roma.inaf.it/event/the-x-ray-rise-of-primeval-titans-hyperluminous-quasars-at-the-epoch-of-reionization-hyperion/
LOCATION:RM
CATEGORIES:Seminari
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