Deep ACIS Imaging of the Core of the Pleaides Cluster

Details Deep ACIS Imaging of the Core of the Pleaides Cluster Deep ACIS Imaging of the Core of the Pleaides Cluster

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..214l&link_type=abstract

Chandra Proposal ID #01200031

Physics

Chandra Proposal Id #01200031

Scientific paper

We propose to obtain a single, 60 ksec, ACIS-I exposure of the core of the 100 million year-old Pleiades open cluster. The 16x16 arcmin ACIS-I field of view will contain at least 20 known ROSAT PSPC sources for which ACIS-I will provide simultaneous, high signal-to-noise 0.5-7 keV light curves and low-resolution spectra. The ACIS-I image will also reveal 100-200 previously unknown X-ray sources. Most will be associated with low-mass cluster members including a few candidate brown dwarfs. The ACIS data will be used with recently derived rotational periods to test rotation-activity at the low end of the zero-age main sequence. The ACIS spectra and light curves will allow modeling of X-ray flares and coronal heating for these young, active stars.

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