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 J1641.5-5319

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J1641.5-5319 Swift-XRT detections in the field for 3FGL J1641.5-5319

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 16 41 45.10 -53 23 18.54 4.97 (3.5 ± 1.1) x 10-3 23 3.378 3.116

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 16 40 45.22 -53 18 37.97 5.40 (2.1 ± 0.9) x 10-3 16 2.507 2.389
2 16 40 58.99 -53 23 00.07 4.92 (2.1 ± 0.9) x 10-3 31 2.546 2.350

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1641.5-5319 Swift-XRT image with known radio, optical and UV sources for 3FGL J1641.5-5319

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXP J164035.2-531452 16 40 35.14 -53 14 52.08 9.47 ROSAT
2 1RXS J164232.6-532520 16 42 32.59 -53 25 19.92 10.97 ROSAT
3 3XMM J164058.1-533122 16 40 58.18 -53 31 22.80 12.90 XMM-NEWTON

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 [SPT2015] ATCA J1641-5318 16 41 26.40 -53 18 27.00 1.16 FER2FUSRID
MGPS J164126-531820 16 41 26.11 -53 18 20.16 1.28 MGPS2
2 [SPT2015] ATCA J1641-5316 16 41 39.70 -53 16 33.96 3.16 FER2FUSRID
[PME2013] J1641-5316 16 41 39.10 -53 16 28.92 3.20 AT2FGLUS
MGPS J164139-531630 16 41 39.50 -53 16 31.08 3.20 MGPS2
3 PMN J1641-5315 16 41 33.19 -53 15 29.88 3.94 PMN
4 MGPS J164047-531159 16 40 47.40 -53 11 58.92 9.85 MGPS2
5 PMN J1640-5311 16 40 44.30 -53 11 34.08 10.48 PMN
MGPS J164041-531142 16 40 41.40 -53 11 42.00 10.67 MGPS2
6 MGPS J164219-531118 16 42 19.80 -53 11 17.88 10.95 MGPS2
7 MGPS J164204-530933 16 42 04.39 -53 09 33.12 11.09 MGPS2
8 MGPS J164123-530748 16 41 23.59 -53 07 48.00 11.66 MGPS2

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