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 J1758.8-4108

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J1758.8-4108 Swift-XRT detections in the field for 3FGL J1758.8-4108

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 17 58 36.38 -40 59 26.39 3.96 (5.0 ± 0.4) x 10-2 162 12.700 11.940
2 17 59 42.11 -41 05 19.50 5.02 (10 ± 2) x 10-3 36 5.371 5.164

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 17 59 17.62 -40 59 35.94 6.04 (3.8 ± 1.3) x 10-3 16 2.903 2.988
2 17 58 25.95 -41 12 21.03 6.31 (3.4 ± 1.3) x 10-3 14 2.630 2.693

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1758.8-4108 Swift-XRT image with known radio, optical and UV sources for 3FGL J1758.8-4108

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J175911.2-411120 17 59 11.21 -41 11 20.04 4.94 ROSAT
2 2RXS J175835.4-405917 17 58 35.45 -40 59 17.52 9.36 ROSAT
1RXS J175835.4-405917 17 58 35.40 -40 59 17.52 9.36 ROSAT
1RXS J175835.4-405917 17 58 35.40 -40 59 17.16 9.37 ROSAT
3 1RXS J175941.0-410404 17 59 40.99 -41 04 04.44 10.26 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 TGSSADR J175816.2-411628 17 58 16.20 -41 16 28.92 10.58 GMRTAS150M
MGPS J175816-411645 17 58 16.10 -41 16 45.12 10.82 MGPS2
2 MGPS J175845-411937 17 58 45.29 -41 19 36.84 11.50 MGPS2
3 TGSSADR J175809.5-412004 17 58 09.50 -41 20 03.84 14.23 GMRTAS150M

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