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DTSTART;TZID=Europe/Rome:20171219T114500
DTEND;TZID=Europe/Rome:20171219T124500
DTSTAMP:20260408T121411
CREATED:20170927T104628Z
LAST-MODIFIED:20170927T104628Z
UID:3565-1513683900-1513687500@www.oa-roma.inaf.it
SUMMARY:Dust Production from Evolved Stars in the Local Group
DESCRIPTION:Infrared observations of nearby galaxies and the Milky Way show that there are two main sources of ISM dust: the winds of evolved stars and supernovae ejecta. However\, the total dust contribution from evolved stars relative to supernovae\, and how it changes with metallicity\, is less certain. Infrared photometric and spectroscopic Spitzer Surveys of the Large and Small Magellanic Clouds (LMC\, SMC): Surveying the Agents of Galaxy Evolution (SAGE) resulted in the discovery of thousands of evolved stars. Here\, I will describe how the composition and quantity of dust produced by these stars depends on metallicity. I will also discuss how the mid-IR stellar populations of the Magellanic Clouds can be used as a template for potential observations with JWST\, and how we have applied this to our observing programs of Local Group galaxies and SN1987A with JWST
URL:https://www.oa-roma.inaf.it/event/seminar-by-olivia-jones/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20171219T114500
DTEND;TZID=Europe/Rome:20171219T124500
DTSTAMP:20260408T121411
CREATED:20170927T104628Z
LAST-MODIFIED:20170927T104628Z
UID:4732-1513683900-1513687500@www.oa-roma.inaf.it
SUMMARY:Dust Production from Evolved Stars in the Local Group
DESCRIPTION:Infrared observations of nearby galaxies and the Milky Way show that there are two main sources of ISM dust: the winds of evolved stars and supernovae ejecta. However\, the total dust contribution from evolved stars relative to supernovae\, and how it changes with metallicity\, is less certain. Infrared photometric and spectroscopic Spitzer Surveys of the Large and Small Magellanic Clouds (LMC\, SMC): Surveying the Agents of Galaxy Evolution (SAGE) resulted in the discovery of thousands of evolved stars. Here\, I will describe how the composition and quantity of dust produced by these stars depends on metallicity. I will also discuss how the mid-IR stellar populations of the Magellanic Clouds can be used as a template for potential observations with JWST\, and how we have applied this to our observing programs of Local Group galaxies and SN1987A with JWST
URL:https://www.oa-roma.inaf.it/event/seminar-by-olivia-jones-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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