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.

2FGL J1335.4-5658


Detected Excesses

Swift-XRT image of the field for 2FGL J1335.4-5658 Swift-XRT detections in the field for 2FGL J1335.4-5658

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 13 34 33.39 -57 03 17.77 9.05 (7 ± 2) x 10-3 8 2.368 3.606

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 13 36 31.04 -57 00 14.09 7.09 (4 ± 2) x 10-3 7 2.348 2.026

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 2FGL J1335.4-5658 Swift-XRT image with known radio, optical and UV sources for 2FGL J1335.4-5658

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 [PME2013] J1335-5700 13 35 58.51 -57 00 55.08 4.71 AT2FGLUS
[SPT2015] ATCA J1335-5700 13 35 58.61 -57 00 55.08 4.71 FER2FUSRID
2 MGPS J133640-570143 13 36 40.30 -57 01 44.04 10.20 MGPS2
3 MGPS J133415-570251 13 34 15.19 -57 02 52.08 11.16 MGPS2

Penn State University Goddard Space Flight Center Swift