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 J1527.0-3804

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J1527.0-3804 Swift-XRT detections in the field for 3FGL J1527.0-3804

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 15 27 39.29 -37 56 26.84 5.89 (6 ± 2) x 10-3 19 3.934 3.674

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 15 26 31.23 -38 08 04.83 5.82 (3.7 ± 1.4) x 10-3 15 2.745 2.641
2 15 26 29.74 -38 07 54.90 5.96 (3.2 ± 1.3) x 10-3 20 2.735 2.500
3 15 26 14.75 -38 10 05.34 6.21 (2.7 ± 1.1) x 10-3 14 2.485 2.426
4 15 27 17.91 -38 07 49.67 5.96 (2.7 ± 1.2) x 10-3 17 2.535 2.219

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1527.0-3804 Swift-XRT image with known radio, optical and UV sources for 3FGL J1527.0-3804

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J152709.9-380556 15 27 09.91 -38 05 56.04 2.10 ROSAT
2 1RXS J152758.1-380436 15 27 58.10 -38 04 36.12 11.26 ROSAT
2RXS J152758.1-380436 15 27 58.13 -38 04 36.12 11.27 ROSAT
2RXS J152758.1-380436 15 27 58.13 -38 04 36.12 11.27 ROSAT
3 2RXS J152614.9-375532 15 26 14.93 -37 55 32.16 12.97 ROSAT
2RXS J152614.9-375532 15 26 14.93 -37 55 32.16 12.97 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J152716-380732 15 27 16.61 -38 07 32.16 4.12 NVSS
2 PMN J1526-3806 15 26 38.90 -38 06 03.96 4.50 PMN
GLEAM J152634-380614 15 26 34.61 -38 06 14.04 5.37 GLEAMEGCAT
3 NVSS J152634-380613 15 26 34.39 -38 06 14.04 5.39 NVSS
SUMSS J152634-380614 15 26 34.20 -38 06 15.12 5.43 SUMSS
TGSSADR J152634.2-380613 15 26 34.20 -38 06 14.04 5.44 GMRTAS150M
SUMSS J152745-380306 15 27 45.60 -38 03 06.12 8.97 SUMSS
4 PMN J1526-3813 15 26 53.71 -38 13 41.16 8.98 PMN
5 NVSS J152745-380310 15 27 45.79 -38 03 11.16 8.99 NVSS
GLEAM J152659-381409 15 26 59.40 -38 14 08.88 9.34 GLEAMEGCAT
6 NVSS J152659-381409 15 26 59.71 -38 14 09.96 9.35 NVSS
SUMSS J152659-381410 15 26 59.50 -38 14 11.04 9.36 SUMSS
TGSSADR J152659.5-381410 15 26 59.50 -38 14 11.04 9.37 GMRTAS150M
7 NVSS J152616-375704 15 26 16.90 -37 57 05.04 11.62 NVSS
8 NVSS J152628-375347 15 26 28.51 -37 53 48.12 12.74 NVSS
SUMSS J152628-375338 15 26 28.61 -37 53 38.04 12.86 SUMSS
GLEAM J152800-381223 15 28 00.19 -38 12 23.04 13.91 GLEAMEGCAT
SUMSS J152801-381211 15 28 01.20 -38 12 11.16 13.95 SUMSS
9 NVSS J152801-381216 15 28 01.20 -38 12 16.92 14.00 NVSS

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