Disk census in NGC2169: the final phase of primordial disks

Details Disk census in NGC2169: the final phase of primordial disks Disk census in NGC2169: the final phase of primordial disks

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sptz.prop50675h&link_type=abstract

Spitzer Proposal ID #50675

Physics

Scientific paper

The goal of this program is study the disk population in the open stellar cluster NGC2169 using IRAC and deep 24mic MIPS observations. NGC2169 is a well characterized cluster located at 1Kpc and with stellar age of 9+-2 Myr. Stellar groups at 10Myr represent a crucial age in disk evolution, where mostly primordial disks have been dissipated and second generation dusty disks are more frequent and luminous. So far, only few 10Myr old stellar groups have been observed by Spitzer, in addition, NGC2169 is more populous than those stellar groups. Analysis of IRAC / deep MIPS observations of NGC2169 will provide an unprecedent disks census of primordial disks at the final phase of primordial disk dissipation, and debris disks around solar-type stars and intermediate mass stars at the first stages of the second generation dusty disks.

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