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 J1656.4-0738

Field

Detected Excesses
Swift-XRT image of the field for 2FGL J1656.4-0738 Swift-XRT detections in the field for 2FGL J1656.4-0738


No detected excesses found.

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 2FGL J1656.4-0738 Swift-XRT image with known radio, optical and UV sources for 2FGL J1656.4-0738


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 NVSS J165630-073620 16 56 30.41 -07 36 20.88 2.53 NVSS
2 NVSS J165635-073444 16 56 35.81 -07 34 45.12 4.39 NVSS
3 NVSS J165636-074444 16 56 36.50 -07 44 44.88 6.11 NVSS
[SPT2015] ATCA J1656-0744 16 56 36.41 -07 44 44.88 6.11 FER2FUSRID
GLEAM J165636-074443 16 56 36.70 -07 44 44.16 6.11 GLEAMEGCAT
[PME2013] J1656-0744 16 56 36.41 -07 44 44.88 6.12 AT2FGLUS
TGSSADR J165636.5-074446 16 56 36.50 -07 44 45.96 6.14 GMRTAS150M
4 NVSS J165613-073235 16 56 13.30 -07 32 35.16 7.49 NVSS
GLEAM J165600-073652 16 56 00.60 -07 36 51.84 7.51 GLEAMEGCAT
TGSSADR J165613.2-073233 16 56 13.20 -07 32 33.00 7.53 GMRTAS150M
5 NVSS J165653-074340 16 56 53.21 -07 43 41.16 7.54 NVSS
TGSSADR J165600.4-073650 16 56 00.41 -07 36 50.04 7.54 GMRTAS150M
6 NVSS J165600-073649 16 56 00.41 -07 36 50.04 7.55 NVSS
7 NVSS J165637-074843 16 56 37.80 -07 48 43.92 10.06 NVSS
8 NVSS J165704-074555 16 57 04.99 -07 45 55.08 11.22 NVSS
TGSSADR J165704.8-074558 16 57 04.90 -07 45 59.04 11.24 GMRTAS150M
9 NVSS J165715-073445 16 57 15.60 -07 34 45.84 12.08 NVSS
10 NVSS J165542-074233 16 55 42.31 -07 42 33.12 12.33 NVSS
TGSSADR J165542.2-074234 16 55 42.31 -07 42 34.92 12.33 GMRTAS150M
GLEAM J165542-074224 16 55 42.00 -07 42 24.12 12.34 GLEAMEGCAT
11 NVSS J165541-074528 16 55 41.59 -07 45 28.08 13.63 NVSS
12 NVSS J165546-072939 16 55 46.90 -07 29 39.84 14.06 NVSS
TGSSADR J165546.7-072939 16 55 46.80 -07 29 39.12 14.08 GMRTAS150M
GLEAM J165546-072935 16 55 46.90 -07 29 35.16 14.11 GLEAMEGCAT

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