Chandra Orion Ultradeep Project: Observations and source lists

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

Research output: Contribution to journalArticlepeer-review

287 Scopus citations


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 2003 January 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 data set on the X-ray emission of normal stars ever obtained in the history of X-ray astronomy

Original languageEnglish (US)
Pages (from-to)319-352
Number of pages34
JournalAstrophysical Journal, Supplement Series
Issue number2
StatePublished - Oct 2005

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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