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X-WR-CALDESC:Eventi per Osservatorio Astronomico di Roma
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DTSTART:20160327T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20171031T114500
DTEND;TZID=Europe/Rome:20171031T124500
DTSTAMP:20260504T011252
CREATED:20170907T063500Z
LAST-MODIFIED:20170907T063500Z
UID:3435-1509450300-1509453900@www.oa-roma.inaf.it
SUMMARY:The first CEMP-no star in the Sculptor dwarf spheroidal galaxy
DESCRIPTION:The origin of carbon-enhanced metal-poor (CEMP) stars and their possible\nconnection with the chemical elements produced by the first stellar\ngeneration is still highly debated. Recently\, the first CEMP-no star in\nthe Sculptor dwarf spheroidal was discovered at an iron abundance of\n[Fe/H] = 8722;2.03 ± 0.10. Since Sculptor is one of the best studied\ndwarf galaxies in the Local Group\, it is surprising that until now\, only\none CEMP-no star has been found in this galaxy. The available observations\nsuggest that the fraction of CEMP stars in Sculptor is lower than in the\nGalactic halo. To understand this apparent discrepancy between different\nenvironments\, I will discuss the CEMP-no fraction in Sculptor\, and other\ndwarf galaxies in general.
URL:https://www.oa-roma.inaf.it/event/seminar-by-asa-skuladottir/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20171031T114500
DTEND;TZID=Europe/Rome:20171031T124500
DTSTAMP:20260504T011252
CREATED:20170907T063500Z
LAST-MODIFIED:20170907T063500Z
UID:4727-1509450300-1509453900@www.oa-roma.inaf.it
SUMMARY:The first CEMP-no star in the Sculptor dwarf spheroidal galaxy
DESCRIPTION:The origin of carbon-enhanced metal-poor (CEMP) stars and their possible\nconnection with the chemical elements produced by the first stellar\ngeneration is still highly debated. Recently\, the first CEMP-no star in\nthe Sculptor dwarf spheroidal was discovered at an iron abundance of\n[Fe/H] = 8722;2.03 ± 0.10. Since Sculptor is one of the best studied\ndwarf galaxies in the Local Group\, it is surprising that until now\, only\none CEMP-no star has been found in this galaxy. The available observations\nsuggest that the fraction of CEMP stars in Sculptor is lower than in the\nGalactic halo. To understand this apparent discrepancy between different\nenvironments\, I will discuss the CEMP-no fraction in Sculptor\, and other\ndwarf galaxies in general.
URL:https://www.oa-roma.inaf.it/event/seminar-by-asa-skuladottir-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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