The Swift Deep Galactic Plane Survey (DGPS) Phase-I Catalog
B. O'Connor, C. Kouveliotou, P. A. Evans, N. Gorgone, A. J. van, Kooten, S. Gagnon, H. Yang, M. G. Baring, E. Bellm, P. Beniamini, J. Brink,, D. A. H. Buckley, S. B. Cenko, O. D. Egbo, E. Gogus, J. Granot, C. Hailey, J., Hare, F. Harrison, D. Hartmann, A. J. van der Horst

TL;DR
The Swift Deep Galactic Plane Survey (DGPS) Phase-I catalog provides a comprehensive list of 928 X-ray sources detected in a 40 square degree region of the Galactic Plane, enhancing the understanding of X-ray populations in our galaxy.
Contribution
This paper presents the first catalog of X-ray sources from the DGPS Phase-I, including new classifications and detailed source characteristics, expanding the known X-ray source population in the Galactic Plane.
Findings
Identified 928 X-ray sources in the surveyed region.
348 sources are newly cataloged and unique to this survey.
The survey is complete to a depth of L_X > 10^{34} erg s^{-1}.
Abstract
The \textit{Swift} Deep Galactic Plane Survey is a \textit{Swift} Key Project consisting of 380 tiled pointings covering 40 deg of the Galactic Plane between longitude \,\,\,\, deg and latitude \,\, deg. Each pointing has a ks exposure, yielding a total of 1.9 Ms spread across the entire survey footprint. Phase-I observations were carried out between March 2017 and May 2021. The Survey is complete to depth \,\, erg s to the edge of the Galaxy. The main Survey goal is to produce a rich sample of new X-ray sources and transients, while also covering a broad discovery space. Here, we introduce the Survey strategy and present a catalog of sources detected during Phase-I observations. In total, we identify 928 X-ray sources, of which 348 are unique to our X-ray catalog. We report on the characteristics of sources in our…
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