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 J2300.0+4053

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J2300.0+4053 Swift-XRT detections in the field for 3FGL J2300.0+4053

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 23 00 12.23 +40 52 23.23 3.54 (7.6 ± 0.2) x 10-2 2493 44.750 47.390
2 22 58 49.87 +40 56 11.54 3.79 (8.2 ± 0.6) x 10-3 245 15.400 14.570
3 23 00 23.93 +41 07 24.82 3.88 (7.5 ± 0.6) x 10-3 182 12.850 12.450
4 22 58 55.45 +40 55 58.23 3.99 (1.5 ± 0.3) x 10-3 58 6.533 5.166
5 22 59 19.18 +40 48 50.35 4.72 (9 ± 2) x 10-4 34 4.606 4.557
6 22 59 23.32 +40 52 45.75 4.47 (8 ± 2) x 10-4 54 4.103 4.069
7 22 59 19.74 +40 56 51.53 4.86 (7 ± 2) x 10-4 31 3.889 3.895
8 23 01 28.13 +40 46 55.57 4.67 (5 ± 2) x 10-4 28 3.357 3.377
9 22 59 50.28 +40 56 41.98 4.26 (7 ± 2) x 10-4 59 3.358 3.274
10 23 00 35.99 +41 06 09.34 5.49 (5 ± 2) x 10-4 19 2.593 3.160
11 23 01 28.39 +40 59 24.03 5.40 (4.0 ± 1.3) x 10-4 13 2.445 3.082

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 23 00 12.23 +40 52 23.23 3.54 (8.8 ± 0.6) x 10-3 2498 10.900 14.180
2 22 58 34.31 +40 53 42.48 5.02 (4 ± 2) x 10-4 17 3.338 2.953
3 22 59 34.03 +41 02 22.54 5.44 (5 ± 2) x 10-4 20 2.906 2.881
4 23 01 06.30 +40 47 14.82 4.54 (4 ± 2) x 10-4 28 2.646 2.831
5 22 59 23.33 +40 52 45.71 4.47 (5 ± 2) x 10-4 56 3.070 2.783
6 22 59 43.31 +40 56 19.61 4.51 (5 ± 2) x 10-4 40 2.996 2.732
7 23 00 35.16 +40 43 52.64 4.83 (3.8 ± 1.4) x 10-4 20 2.626 2.730
8 22 58 46.81 +40 52 32.83 5.64 (3.3 ± 1.2) x 10-4 16 2.684 2.693
9 22 59 32.18 +40 47 49.52 5.00 (3.7 ± 1.4) x 10-4 20 2.899 2.589
10 23 00 12.23 +40 52 23.23 3.54 (5 ± 3) x 10-4 2498 5.592 1.414
11 23 00 12.23 +40 52 23.29 3.54 N/A 2468 3.361 N/A

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J2300.0+4053 Swift-XRT image with known radio, optical and UV sources for 3FGL J2300.0+4053

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 XMMSL2 J230012.6+405229 23 00 12.46 +40 52 28.92 1.67 XMM-NEWTON
XMMSL2 J230012.6+405229 23 00 12.46 +40 52 28.92 1.67 XMM-NEWTON
1RXS J230012.3+405225 23 00 12.31 +40 52 24.96 1.69 ROSAT
1RXS J230012.3+405225 23 00 12.31 +40 52 24.96 1.69 ROSAT
2RXS J230012.3+405223 23 00 12.36 +40 52 23.88 1.71 ROSAT
2RXS J230012.3+405223 23 00 12.36 +40 52 23.88 1.71 ROSAT
1RXS J230012.3+405225 23 00 12.48 +40 52 24.24 1.72 ROSAT
2 XMMSL2 J225923.2+404453 22 59 23.35 +40 44 53.16 11.84 XMM-NEWTON
XMMSL2 J225923.2+404453 22 59 23.35 +40 44 53.16 11.84 XMM-NEWTON

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
WN 2257.8+4036 23 00 12.31 +40 52 31.08 1.63 WENSS
1 NVSS J230012+405224 23 00 12.50 +40 52 23.88 1.72 NVSS
2 NVSS J230004+404806 23 00 04.20 +40 48 06.84 5.47 NVSS
3 NVSS J225951+405856 22 59 51.70 +40 58 55.92 5.98 NVSS
4 NVSS J230018+405951 23 00 18.60 +40 59 52.08 6.74 NVSS
5 NVSS J230035+404751 23 00 34.99 +40 47 52.08 7.94 NVSS
6 NVSS J230008+404500 23 00 08.81 +40 45 01.08 8.58 NVSS
WN 2257.8+4028 23 00 08.81 +40 44 58.92 8.61 WENSS
TGSSADR J230008.9+404457 23 00 08.90 +40 44 57.84 8.63 GMRTAS150M
7 NVSS J225904+404913 22 59 04.90 +40 49 14.16 12.31 NVSS
8 NVSS J225932+404301 22 59 32.11 +40 43 00.84 12.33 NVSS
WN 2258.1+4049 23 00 27.60 +41 05 17.88 12.43 WENSS
9 NVSS J230048+404408 23 00 48.91 +40 44 08.88 12.46 NVSS
10 NVSS J230027+410521 23 00 27.60 +41 05 21.84 12.49 NVSS
WN 2258.4+4027 23 00 48.50 +40 44 03.12 12.50 WENSS
WN 2257.0+4048 22 59 19.51 +41 04 50.16 14.25 WENSS
11 NVSS J225919+410449 22 59 19.39 +41 04 49.08 14.25 NVSS

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