Source identification for the Swift -BAT 150-month hard X-ray catalog using soft X-ray observations

Astronomy and Astrophysics 2026 Open access

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Authors: K. Imam, N. Torres-Alba, S. Marchesi, M. Ajello, S. Joffre, I. Cox, A. Pizzetti, X. H. Zhao, A. Segreto, A. Banerjee, I. Pal, V. E. Gianolli
+1 more D. Stern
DOI: 10.1051/0004-6361/202555784
Cited by: 1
References: 63

Abstract

We present a comprehensive catalog of 251 potential counterparts for 250 unassociated hard X-ray sources detected in the Swift -Burst Alert Telescope (BAT) 150-month hard X-ray survey. During 150 months of observation, BAT detected 2339 sources in the 15-150 keV range. Among these, 344 do not have a low-energy counterpart. Our study focuses on the analysis of soft X-ray observations (i.e., at energies

Fields of Study & Subjects

Astrophysical Phenomena and Observations Galaxies: Formation Evolution Phenomena Astronomy and Astrophysical Research

Publication details

Journal / source
Astronomy and Astrophysics
Publisher
EDP Sciences
Volume
709
Pages
A12–A12
Publication date
12 February 2026
Language
EN