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 J0423.5+5442

Field

Detected Excesses

Swift-XRT image of the field for 3FGL J0423.5+5442 Swift-XRT detections in the field for 3FGL J0423.5+5442

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 04 23 15.38 +54 32 26.39 5.89 (4.3 ± 1.2) x 10-3 18 3.489 3.432
2 04 24 28.14 +54 43 04.67 5.96 (3.4 ± 1.1) x 10-3 19 2.858 3.115

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 22 17.68 +54 45 29.07 6.41 (2.5 ± 0.9) x 10-3 15 2.726 2.796
2 04 23 37.73 +54 33 09.27 6.52 (1.9 ± 0.8) x 10-3 9 2.385 2.271

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J0423.5+5442 Swift-XRT image with known radio, optical and UV sources for 3FGL J0423.5+5442


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
7C 041936.0+543708 04 23 35.50 +54 44 04.92 1.74 GP7C151MHZ
1 NVSS J042334+544413 04 23 34.01 +54 44 13.92 1.90 NVSS
TGSSADR J042335.0+544416 04 23 35.11 +54 44 17.16 1.94 GMRTAS150M
WN 0419.5+5437 04 23 35.11 +54 44 29.04 2.14 WENSS
2 OF+533 04 23 43.10 +54 35 57.12 6.49 DIXON
GB6 J0424+5442 04 24 25.70 +54 42 47.16 7.21 GB6
TGSSADR J042428.3+544251 04 24 28.30 +54 42 51.12 7.59 GMRTAS150M
3 NVSS J042428+544256 04 24 28.30 +54 42 56.16 7.59 NVSS
CGPS J042428+544255 04 24 28.39 +54 42 55.08 7.60 CGPSNGPCAT
WN 0420.4+5435 04 24 28.99 +54 42 51.12 7.68 WENSS
AMIGPS J042429+544243 04 24 29.81 +54 42 42.84 7.80 AMIGPS16GH
4 CGPS J042236+544018 04 22 36.50 +54 40 18.12 8.82 CGPSNGPCAT
5 NVSS J042340+543318 04 23 40.80 +54 33 19.08 9.07 NVSS
CGPS J042341+543313 04 23 41.90 +54 33 14.04 9.16 CGPSNGPCAT
6 CGPS J042245+544841 04 22 45.41 +54 48 41.04 9.65 CGPSNGPCAT
7 NVSS J042453+543935 04 24 52.99 +54 39 34.92 11.48 NVSS
CGPS J042453+543931 04 24 52.99 +54 39 30.96 11.49 CGPSNGPCAT
WN 0418.5+5443 04 22 33.60 +54 50 39.12 12.23 WENSS
CGPS J042233+545039 04 22 33.70 +54 50 39.84 12.24 CGPSNGPCAT
8 NVSS J042233+545040 04 22 33.19 +54 50 40.92 12.29 NVSS
9 NVSS J042228+543320 04 22 28.61 +54 33 20.88 13.26 NVSS
WN 0420.6+5424 04 24 40.80 +54 31 40.08 14.23 WENSS
10 NVSS J042442+543133 04 24 42.19 +54 31 32.88 14.44 NVSS
CGPS J042442+543133 04 24 42.19 +54 31 32.88 14.44 CGPSNGPCAT

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