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 J0826.3-6400

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J0826.3-6400 Swift-XRT detections in the field for 3FGL J0826.3-6400

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 08 26 28.16 -64 04 15.73 3.56 (3.70 ± 0.10) x 10-1 1535 40.050 37.630

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 08 27 44.15 -63 59 05.22 6.31 (2.4 ± 1.0) x 10-3 9 2.433 2.480
2 08 26 28.15 -64 04 15.69 3.56 N/A 1516 2.340 N/A

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J0826.3-6400 Swift-XRT image with known radio, optical and UV sources for 3FGL J0826.3-6400

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 XMMSL2 J082627.4-640415 08 26 27.79 -64 04 10.92 3.57 XMM-NEWTON
XMMSL2 J082627.4-640415 08 26 26.66 -64 04 13.08 3.60 XMM-NEWTON
XMMSL2 J082627.4-640415 08 26 27.65 -64 04 12.72 3.60 XMM-NEWTON
XMMSL2 J082627.4-640415 08 26 27.48 -64 04 14.52 3.63 XMM-NEWTON
XMMSL2 J082627.4-640415 08 26 27.67 -64 04 17.76 3.69 XMM-NEWTON
2RXS J082626.7-640421 08 26 26.76 -64 04 21.00 3.73 ROSAT
1RXS J082627.1-640421 08 26 27.10 -64 04 21.00 3.73 ROSAT
1RXS J082627.1-640421 08 26 27.10 -64 04 21.00 3.73 ROSAT
2 1RXS J082627.1-640421 08 25 58.32 -64 04 08.40 4.37 BEPPOSAX

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 SUMSS J082627-640416 08 26 27.79 -64 04 15.96 3.66 SUMSS
2 GLEAM J082717-640116 08 27 16.99 -64 01 17.04 6.01 GLEAMEGCAT
SUMSS J082717-640121 08 27 17.59 -64 01 21.00 6.08 SUMSS
3 SUMSS J082651-641228 08 26 51.50 -64 12 28.08 12.24 SUMSS

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