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, 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
TL;DR
The paper details the data reduction process and presents a catalog of over 1600 X-ray sources from the deep Chandra Orion Ultradeep Project, offering the most comprehensive X-ray dataset of the Orion Nebula Cluster to date.
Contribution
It provides a detailed methodology for data reduction and a new, extensive catalog of X-ray sources from the deepest observation of the Orion Nebula Cluster.
Findings
Catalog of 1600+ X-ray sources identified.
Deepest X-ray observation of Orion Nebula Cluster to date.
Uniform dataset enabling detailed stellar X-ray emission studies.
Abstract
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 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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Taxonomy
TopicsAstronomical Observations and Instrumentation · Astronomy and Astrophysical Research · Gamma-ray bursts and supernovae