Swift-XRT Survey of Fermi Unassociated Sources


These results are part of the Swift program to follow-up Fermi unassociated sources in an attempt to find X-ray counterparts to the unidentified gamma-ray sources. As new observations are performed, these pages will be updated in nearly real time. Please use these results as a guide and proceed with caution when using them in a publication since they are the result of an automated analysis.

When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949 for a description of many of the analysis techniques used to reduce these data (note: a more detailed paper describing the complete data set and analysis is forthcoming). Please contact Abe Falcone and Michael Stroh at unassociated@swift.psu.edu if you have any questions about the program or the analysis, or to simply to let us know that you've made use of these data.


Caution: For completeness, sources are listed if the "detection" exceeds 3 sigma. The significances and images are shown so you can make more stringent significance cuts, if desired.

3FGL J1823.2-4722

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J1823.2-4722 Swift-XRT detections in the field for 3FGL J1823.2-4722


No detected excesses found.

Rejected Excesses (Due to Overlaps or SNR(Sosta) < 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 18 23 58.85 -47 19 36.88 6.21 (3.3 ± 1.3) x 10-3 13 2.715 2.570
2 18 22 24.44 -47 25 06.38 7.97 (2.5 ± 1.1) x 10-3 7 2.322 2.359

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1823.2-4722 Swift-XRT image with known radio, optical and UV sources for 3FGL J1823.2-4722


No known X-ray or gamma ray sources found.

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 TGSSADR J182317.6-471603 18 23 17.71 -47 16 04.08 6.81 GMRTAS150M
SUMSS J182317-471603 18 23 17.59 -47 16 04.08 6.81 SUMSS
GLEAM J182317-471558 18 23 17.50 -47 15 57.96 6.90 GLEAMEGCAT
2 PMN J1822-4718 18 22 29.90 -47 18 42.12 8.42 PMN

Penn State University Goddard Space Flight Center Swift