K. V. Getman, E. Flaccomio, P. S. Broos, N. Grosso, M. Tsujimoto, L. Townsley, G. P. Garmire, J. Kastner, J. Li, F. R. Harnden,Jr., S. Wolk, S. S. Murray, C. J. Lada, A. A. Muench, M. J. McCaughrean, G. Meeus, F. Damiani, G. Micela, S. Sciortino, J. Bally, L. A. Hillenbrand, W. Herbst, T. Preibisch, and E. D. Feigelson

Chandra Orion Ultradeep Project: Observations and Source Lists

Astrophysical Journal Supplement (COUP Special Issue), 160, 319-352, 2005

We present a description of the data reduction methods and the derived catalog of more than 1600 X-ray point sources from the exceptionally deep January 2003 Chandra X-ray Observatory (Chandra) observation of the Orion Nebula Cluster and embedded populations around OMC-1. The observation was obtained with Chandra's Advanced CCD Imaging Spectrometer (ACIS) and has been nicknamed the $Chandra$ Orion Ultradeep Project (COUP). With an 838 ks exposure made over a continuous period of 13.2 days, the COUP observation provides the most uniform and comprehensive dataset on the X-ray emission of normal stars ever obtained in the history of X-ray astronomy.

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