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X-ORIGINAL-URL:https://www.oa-roma.inaf.it
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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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20160405T114500
DTEND;TZID=Europe/Rome:20160405T124500
DTSTAMP:20260404T232123
CREATED:20160317T061919Z
LAST-MODIFIED:20160317T061919Z
UID:544-1459856700-1459860300@www.oa-roma.inaf.it
SUMMARY:The final wind: stars in retirement
DESCRIPTION:Catastrophic mass loss is at the heart of 90% of all stellar\ndeath. Low and intermediate mass stars lose their hydrogen envelope\nwhile on the Asymptotic Giant Branch stars. At the end\, there is\ninsufficient hydrogen left and the star rapidly evolves into a white\ndwarf\, briefly illuminating a planetary nebula on the way. The ejected\ngas can be used to study the superwind\, the nuclear burning and dredge\nup processes in the star\, and even (with some difficulties) the star\nformation histories of the dying stellar population. In this talk I\nwill discuss the planetary nebulae of the Galactic bulge\, briefly\nmention AGB stars in globular clusters\, and finally discuss the origin\nof the mysterious AGB J-type stars\, believed to be the cause of the\nA+B grains in the proto-solar system.
URL:https://www.oa-roma.inaf.it/event/the-final-wind-stars-in-retirement/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20160405T114500
DTEND;TZID=Europe/Rome:20160405T124500
DTSTAMP:20260404T232123
CREATED:20160317T061919Z
LAST-MODIFIED:20160317T061919Z
UID:4657-1459856700-1459860300@www.oa-roma.inaf.it
SUMMARY:The final wind: stars in retirement
DESCRIPTION:Catastrophic mass loss is at the heart of 90% of all stellar\ndeath. Low and intermediate mass stars lose their hydrogen envelope\nwhile on the Asymptotic Giant Branch stars. At the end\, there is\ninsufficient hydrogen left and the star rapidly evolves into a white\ndwarf\, briefly illuminating a planetary nebula on the way. The ejected\ngas can be used to study the superwind\, the nuclear burning and dredge\nup processes in the star\, and even (with some difficulties) the star\nformation histories of the dying stellar population. In this talk I\nwill discuss the planetary nebulae of the Galactic bulge\, briefly\nmention AGB stars in globular clusters\, and finally discuss the origin\nof the mysterious AGB J-type stars\, believed to be the cause of the\nA+B grains in the proto-solar system.
URL:https://www.oa-roma.inaf.it/event/the-final-wind-stars-in-retirement-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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