Tuesday, 29th July at 2.00pm at the JAC
M.S. Nanda Kumar
Centro de Astrofisica da Universidade do Porto
"Probing Embedded Clusters in Perseus, Ophiuchus and
Serpens with Spitzer"
ABSTRACT: Embedded clusters hold important signatures of the star
formation process. Recently, the Spitzer Space Telescope Legacy
Program "Cores to Disks" has unvieled the young stellar population in
nearby molecular clouds to the limit of substellar objects. Using this
data we have studied the structure of embedded clusters in the
Perseus, Ophiuchus and Serpens molecular clouds. We used the "nearest
neighbour" and "minimum spanning tree" methods of structure analysis
to obtain the physical properties of the embedded clusters and
correlate these with source luminosities, turbulent line widths and
cloud properties.
In this talk I shall discuss our detailed results: these
suggest that the least turbulent cores give birth to the most
condensed clusters, and vice versa. We also find that the youngest objects
are heirarchically distributed, while the more evolved objects are
centrally condensed inside the embedded clusters.
Related Paper:
Schmeja, Kumar, Ferreira, 2008,
"The structures of embedded clusters in the Perseus,
Serpens and Ophiuchus molecular clouds",
astro-ph/0805.2049
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