Cool Stars 14 - Submitted Abstract # 218 This version created on 05 October 2006 Young Stellar Objects in the epsilon Chamaeleontis Group: Probing Proto-planetary Disk Systems in the HD 102437 Field with the Chandra/HETGS. David Huenemoerder, MIT Norbert Schulz, MIT Paola Testa, MIT Kazunori Ishibashi, MIT Claude Canizares, MIT We have obtained a 145 ks Chandra/HETGS observation of X-ray luminous and accreting Herbig Ae star, HD 104237-A (DX Cha), and classical T Tauri stars (CTTS) in the nearby (116 parsec) young (2 My) stellar group Epsilon Chamaeleontis. Our main goals are to test plausible candidate models of magnetic and accretion generated X-ray emission through plasma diagnostics of He-like triplet lines, and to survey spectra and variability of CTTS. Component A (spectral type A0-A8) was bright enough to provide a well exposed high resolution spectrum. Ne IX did not unambiguously indicate high density (the O VII lines were not detected). Other lines and the continuum indicate the presence of high temperature plasma, similar to coronal sources. Component A was also significantly variable. For CTT components D and E (respective spectral types M and K), we have obtained good low resolution CCD spectra and light curves. Component C, proposed to be a brown dwarf, was detected and was variable. ----------------------------------