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 J0725.7-0550

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J0725.7-0550 Swift-XRT detections in the field for 3FGL J0725.7-0550

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 07 25 47.51 -05 48 30.32 4.04 (4.3 ± 0.4) x 10-2 143 11.330 10.930
2 07 25 36.68 -05 58 09.99 5.05 (9 ± 2) x 10-3 31 5.102 4.846

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 07 26 06.22 -05 48 22.94 5.24 (4.2 ± 1.4) x 10-3 25 3.473 2.951
2 07 25 42.16 -05 58 54.71 5.76 (3.6 ± 1.4) x 10-3 12 2.818 2.650
3 07 25 29.04 -05 41 05.33 6.52 (2.7 ± 1.2) x 10-3 7 2.272 2.256
4 07 25 49.21 -05 46 48.05 5.14 (2.7 ± 1.3) x 10-3 29 2.707 2.097

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J0725.7-0550 Swift-XRT image with known radio, optical and UV sources for 3FGL J0725.7-0550

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J072536.4-055751 07 25 36.41 -05 57 51.12 7.67 ROSAT
2RXS J072536.2-055751 07 25 36.26 -05 57 51.12 7.69 ROSAT
2 1RXS J072556.6-054244 07 25 56.59 -05 42 44.64 8.25 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J072545-055030 07 25 45.10 -05 50 30.84 0.16 NVSS
2 NVSS J072547-054832 07 25 47.90 -05 48 32.04 2.07 NVSS
[PME2013] J0725-0548 07 25 47.71 -05 48 27.00 2.14 AT2FGLUS
[SPT2015] ATCA J0725-0548 07 25 47.71 -05 48 27.00 2.14 FER2FUSRID
3 NVSS J072546-055504 07 25 46.01 -05 55 05.16 4.54 NVSS
4 DGVW044 07 26 03.50 -05 48 02.88 5.06 DIXON
5 NVSS J072551-054507 07 25 52.01 -05 45 06.84 5.63 NVSS
6 NVSS J072610-054705 07 26 10.30 -05 47 06.00 7.01 NVSS
7 NVSS J072546-055923 07 25 46.20 -05 59 22.92 8.85 NVSS
TXS 0723-055 07 25 29.11 -05 41 03.12 10.35 TEXAS
TGSSADR J072529.0-054103 07 25 28.99 -05 41 03.84 10.35 GMRTAS150M
8 NVSS J072529-054103 07 25 28.99 -05 41 03.12 10.36 NVSS
VLSSr J072529.6-054046 07 25 29.59 -05 40 46.92 10.55 VLSSR
9 NVSS J072620-055806 07 26 20.40 -05 58 05.88 11.46 NVSS
10 NVSS J072502-054601 07 25 02.40 -05 46 01.92 11.70 NVSS
11 NVSS J072515-054127 07 25 15.70 -05 41 26.88 11.77 NVSS
12 OI-040 07 26 12.60 -05 39 02.88 13.29 DIXON
13 NVSS J072621-053912 07 26 21.79 -05 39 11.88 14.45 NVSS

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