Image of Alice in Wonderland at the Mad Hatter's tea party You are cordially invited to afternoon tea and biscuits wine and chocolate

Astronomy Tea Talks at Caltech

Mondays, Robinson 106
Tea:  4.00pm
Talk: 4.15pm

Organised by:

2007 - 2008 season:
1 October 2007 Bruno Letarte (CalTech)

"Chemical analysis of the Fornax dwarf galaxy"


Fornax is a nearby dwarf spheroidal galaxy with five globular clusters and a complex star formation history. It is one of the most
massive dwarf spheroidal galaxies in the Local Group. Using VLT/FLAMES, we obtained high resolution (R~20000) spectra for 81
individual Red Giant Branch stars in the central region of Fornax. We used stellar atmosphere models to determine the elemental
abundance of alpha (Mg, Si, Ca, Ti); iron-peak (Cr, Ni); and heavy (Y, Ba, Eu) elements. We compare these new results with our
recent VLT/UVES abundance determinations of individual stars in three Fornax globular clusters and to a similar study made on the
Sculptor dSph.
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Last modified on 24th Jul 2009 by Johan Richard.  

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