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 J0418.2+3412

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J0418.2+3412 Swift-XRT detections in the field for 3FGL J0418.2+3412


No detected excesses found.

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 04 18 09.29 +34 01 53.41 7.09 (3.4 ± 1.2) x 10-3 10 2.589 2.897
2 04 18 04.33 +34 23 19.99 5.76 (3.3 ± 1.2) x 10-3 14 2.880 2.852
3 04 17 27.09 +34 09 00.63 5.89 (2.8 ± 1.1) x 10-3 11 2.700 2.605
4 04 17 15.75 +34 17 27.66 6.12 (2.6 ± 1.1) x 10-3 13 2.396 2.385

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J0418.2+3412 Swift-XRT image with known radio, optical and UV sources for 3FGL J0418.2+3412


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
GB6 J0418+3411 04 18 10.90 +34 11 38.04 1.67 GB6
WN 0414.9+3404 04 18 10.10 +34 11 44.16 1.76 WENSS
1 NVSS J041809+341135 04 18 10.01 +34 11 35.16 1.85 NVSS
TGSSADR J041809.8+341135 04 18 09.79 +34 11 35.16 1.88 GMRTAS150M
2 OF+324 04 17 47.50 +34 14 18.96 6.49 DIXON
3 NVSS J041835+340560 04 18 35.11 +34 06 00.00 7.45 NVSS
TGSSADR J041845.1+341833 04 18 45.10 +34 18 33.12 8.27 GMRTAS150M
4 NVSS J041845+341834 04 18 45.10 +34 18 33.84 8.28 NVSS
WN 0415.5+3411 04 18 45.10 +34 18 34.92 8.28 WENSS
5 NVSS J041844+340606 04 18 43.99 +34 06 06.12 8.42 NVSS
6 NVSS J041851+340651 04 18 51.10 +34 06 51.84 8.93 NVSS
7 NVSS J041803+340326 04 18 03.41 +34 03 25.92 9.55 NVSS
WN 0414.6+3414 04 17 55.90 +34 22 14.16 10.70 WENSS
TGSSADR J041755.8+342220 04 17 55.80 +34 22 19.92 10.80 GMRTAS150M
8 NVSS J041755+342220 04 17 55.80 +34 22 19.92 10.81 NVSS
9 NVSS J041835+340100 04 18 34.99 +34 01 00.84 12.06 NVSS
10 NVSS J041753+340119 04 17 54.00 +34 01 19.92 12.23 NVSS
TXS 0414+339 04 17 23.59 +34 06 20.16 12.80 TEXAS
TGSSADR J041723.4+340621 04 17 23.40 +34 06 20.88 12.81 GMRTAS150M
11 NVSS J041723+340621 04 17 23.40 +34 06 21.96 12.82 NVSS
WN 0414.1+3359 04 17 23.40 +34 06 21.96 12.82 WENSS
VLSSr J041722.4+340628 04 17 22.39 +34 06 29.16 12.93 VLSSR
GB6 J0417+3406 04 17 21.19 +34 06 21.96 13.21 GB6
12 0414+3358 04 17 21.00 +34 06 15.12 13.30 NORTH6CM
0414+3358 04 17 21.00 +34 06 15.12 13.30 NORTH20CM

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