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 J2133.5-6431

Field

Detected Excesses

Swift-XRT image of the field for 2FGL J2133.5-6431 Swift-XRT detections in the field for 2FGL J2133.5-6431

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 21 33 11.12 -64 38 20.60 4.12 (1.3 ± 0.2) x 10-2 106 9.058 9.116
2 21 33 22.78 -64 34 42.27 5.31 (1.8 ± 0.5) x 10-3 26 3.073 3.370

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 21 33 39.97 -64 40 46.77 5.28 (9 ± 4) x 10-4 19 2.689 2.105
2 21 33 11.20 -64 38 19.80 4.13 (1.3 ± 0.7) x 10-3 106 2.710 1.826

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 2FGL J2133.5-6431 Swift-XRT image with known radio, optical and UV sources for 2FGL J2133.5-6431


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] J2133-6435 21 33 20.71 -64 35 08.88 3.35 AT2FGLUS
[SPT2015] ATCA J2133-6435 21 33 20.71 -64 35 08.88 3.35 FER2FUSRID
SUMSS J213320-643512 21 33 20.50 -64 35 12.84 3.40 SUMSS
2 GLEAM J213151-642956 21 31 51.10 -64 29 56.04 10.85 GLEAMEGCAT
SUMSS J213149-642956 21 31 49.99 -64 29 56.04 10.97 SUMSS
3 SUMSS J213414-644341 21 34 13.99 -64 43 41.16 12.62 SUMSS

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