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The XMM-SERVS Survey: XMM-Newton Point-source Catalogs for the W-CDF-S and ELAIS-S1 Fields

Ni, Qingling and Brandt, W. N. and Chen, Chien-Ting and Luo, Bin and Nyland, Kristina and Yang, Guang and Zou, Fan and Aird, James and Alexander, David M. and Bauer, Franz Erik and Lacy, Mark and Lehmer, Bret D. and Mallick, Labani and Salvato, Mara and Schneider, Donald P. and Tozzi, Paolo and Traulsen, Iris and Vaccari, Mattia and Vignali, Cristian and Vito, Fabio and Xue, Yongquan and Banerji, Manda and Chow, Kate and Comastri, Andrea and Del Moro, Agnese and Gilli, Roberto and Mullaney, James and Paolillo, Maurizio and Schwope, Axel and Shemmer, Ohad and Sun, Mouyuan and Timlin III, John D. and Trump, Jonathan R. (2021) 'The XMM-SERVS Survey: XMM-Newton Point-source Catalogs for the W-CDF-S and ELAIS-S1 Fields.', The Astrophysical Journal Supplement Series, 256 (1). p. 21.


We present the X-ray point-source catalogs in two of the XMM-Spitzer Extragalactic Representative Volume Survey (XMM-SERVS) fields, W-CDF-S (4.6 deg2) and ELAIS-S1 (3.2 deg2), aiming to fill the gap between deep pencil-beam X-ray surveys and shallow X-ray surveys over large areas. The W-CDF-S and ELAIS-S1 regions were targeted with 2.3 and 1.0 Ms of XMM-Newton observations, respectively; 1.8 and 0.9 Ms exposures remain after flare filtering. The survey in W-CDF-S has a flux limit of 1.0 × 10−14 erg cm−2 s−1 over 90% of its area in the 0.5–10 keV band; 4053 sources are detected in total. The survey in ELAIS-S1 has a flux limit of 1.3 × 10−14 erg cm−2 s−1 over 90% of its area in the 0.5–10 keV band; 2630 sources are detected in total. Reliable optical-to-IR multiwavelength counterpart candidates are identified for ≈89% of the sources in W-CDF-S and ≈87% of the sources in ELAIS-S1. A total of 3129 sources in W-CDF-S and 1957 sources in ELAIS-S1 are classified as active galactic nuclei (AGNs). We also provide photometric redshifts for X-ray sources; ≈84% of the 3319/2001 sources in W-CDF-S/ELAIS-S1 with optical-to-near-IR forced photometry available have either spectroscopic redshifts or high-quality photometric redshifts. The completion of the XMM-Newton observations in the W-CDF-S and ELAIS-S1 fields marks the end of the XMM-SERVS survey data gathering. The ≈12,000 pointlike X-ray sources detected in the whole ≈13 deg2 XMM-SERVS survey will benefit future large-sample AGN studies.

Item Type:Article
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Publisher statement:© 2021. The American Astronomical Society. All rights reserved.
Date accepted:17 June 2021
Date deposited:10 November 2021
Date of first online publication:14 September 2021
Date first made open access:10 November 2021

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