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X-WR-CALDESC:Eventi per Osservatorio Astronomico di Roma
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DTSTART:20150329T010000
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DTSTART:20151025T010000
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DTSTART:20160327T010000
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DTSTART;TZID=Europe/Rome:20160216T114500
DTEND;TZID=Europe/Rome:20160216T124500
DTSTAMP:20260408T140625
CREATED:20160201T094006Z
LAST-MODIFIED:20160201T094006Z
UID:431-1455623100-1455626700@www.oa-roma.inaf.it
SUMMARY:Metals outside galaxies: what do we learn from observations?
DESCRIPTION:The observed properties and evolution of galaxies in the Universe require the existence of feedback mechanisms regulating the star formation and finally quenching it. The presence of winds\, possibly transporting the gas outside the viral radius\, has been confirmed observationally in local and high redshift objects. In this talk\, I will briefly review how scientist have confirmed the presence of heavy elements outside galaxies using the observation of QSO absorption lines and I will present and discuss new results based on the highest signal-to-noise ratio\, high resolution QSO spectrum ever obtained.
URL:https://www.oa-roma.inaf.it/event/metals-outside-galaxies-what-do-we-learn-from-observations-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20160216T114500
DTEND;TZID=Europe/Rome:20160216T124500
DTSTAMP:20260408T140625
CREATED:20160201T094006Z
LAST-MODIFIED:20160201T094006Z
UID:4652-1455623100-1455626700@www.oa-roma.inaf.it
SUMMARY:Metals outside galaxies: what do we learn from observations?
DESCRIPTION:The observed properties and evolution of galaxies in the Universe require the existence of feedback mechanisms regulating the star formation and finally quenching it. The presence of winds\, possibly transporting the gas outside the viral radius\, has been confirmed observationally in local and high redshift objects. In this talk\, I will briefly review how scientist have confirmed the presence of heavy elements outside galaxies using the observation of QSO absorption lines and I will present and discuss new results based on the highest signal-to-noise ratio\, high resolution QSO spectrum ever obtained.
URL:https://www.oa-roma.inaf.it/event/metals-outside-galaxies-what-do-we-learn-from-observations-2-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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