The Nature of the Hard X-ray Background Sources : Optical , Near-infrared , Submillimeter , and Radio Properties

@inproceedings{Barger2000TheNO,
  title={The Nature of the Hard X-ray Background Sources : Optical , Near-infrared , Submillimeter , and Radio Properties},
  author={Amy J. Barger and Lennox L. Cowie and Richard F. Mushotzky and Eric A. Richards},
  year={2000}
}
With recent Chandra observations, at least 75 percent of the X-ray background in the 2−10 keV energy range is now resolved into discrete sources. Here we present deep optical, near-infrared, submillimeter, and 20 cm (radio) images, as well as high-quality optical spectra, of a complete sample of 20 sources selected to lie above a 2− 10 keV flux of 3.8× 10−15 erg cm−2 s−1 in a deep Chandra observation of the Hawaii Deep Survey Field SSA13. The 13 galaxies with I < 23.5 have redshifts in the… CONTINUE READING

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