Planet formation and the missing 10 Myr old stars

Details Planet formation and the missing 10 Myr old stars Planet formation and the missing 10 Myr old stars

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1386f&link_type=abstract

Chandra Proposal ID #05200234

Physics

Chandra Proposal Id #05200234

Scientific paper

Our understanding of planet formation requires large, unbiased and nearby samples of older pre-main sequence stars around 10 Myr old. Four groups of such stars have recently been found around the closest OB association, Sco-Cen, with a combination of kinematical and X-ray selection criteria. We propose here a Chandra snapshot survey to discover more of these stars. The targets constitute a well-defined sample of B stars on the outskirts of Sco-Cen with kinematics consistent with Sco-Cen membership. In successful cases, the X-ray image will reveal coeval low-mass stars around 10 Myr old which will then be subject to optical and infrared disk study to characterize the later phases of planet formation.

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