THE NuSTAR EXTRAGALACTIC SURVEYS: OVERVIEW and CATALOG from the COSMOS FIELD

F. Civano, R. C. Hickox, S. Puccetti, A. Comastri, J. R. Mullaney, L. Zappacosta, S. M. LaMassa, J. Aird, D. M. Alexander, D. R. Ballantyne, F. E. Bauer, W. N. Brandt, S. E. Boggs, F. E. Christensen, W. W. Craig, A. Del-Moro, M. Elvis, K. Forster, P. Gandhi, B. W. GrefenstetteC. J. Hailey, F. A. Harrison, G. B. Lansbury, B. Luo, K. Madsen, C. Saez, D. Stern, E. Treister, M. C. Urry, D. R. Wik, W. Zhang

Research output: Contribution to journalReview articlepeer-review

36 Scopus citations

Abstract

To provide the census of the sources contributing to the X-ray background peak above 10 keV, Nuclear Spectroscopic Telescope Array (NuSTAR) is performing extragalactic surveys using a three-tier "wedding cake" approach. We present the NuSTAR survey of the COSMOS field, the medium sensitivity, and medium area tier, covering 1.7 deg2 and overlapping with both Chandra and XMM-Newton data. This survey consists of 121 observations for a total exposure of ∼3 Ms. To fully exploit these data, we developed a new detection strategy, carefully tested through extensive simulations. The survey sensitivity at 20% completeness is 5.9, 2.9, and 6.4.

Original languageEnglish (US)
Article number185
JournalAstrophysical Journal
Volume808
Issue number2
DOIs
StatePublished - Aug 1 2015

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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