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 J0336.1+7500

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J0336.1+7500 Swift-XRT detections in the field for 3FGL J0336.1+7500

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 03 34 23.83 +75 02 12.17 4.71 (4.7 ± 0.8) x 10-3 47 5.797 5.610
2 03 35 12.71 +75 00 28.49 5.14 (2.6 ± 0.7) x 10-3 29 4.161 3.882
3 03 36 20.62 +74 54 51.49 6.21 (2.5 ± 0.7) x 10-3 17 3.134 3.587
4 03 35 35.94 +75 11 16.74 5.76 (1.9 ± 0.6) x 10-3 16 3.283 3.336

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 03 32 45.51 +75 06 52.52 6.04 (1.6 ± 0.6) x 10-3 11 2.805 2.852
2 03 36 25.40 +75 00 55.54 5.59 (1.4 ± 0.5) x 10-3 25 2.661 2.716
3 03 36 08.50 +75 03 12.24 5.89 (1.4 ± 0.5) x 10-3 19 2.620 2.694
4 03 36 16.41 +75 16 20.31 5.70 (1.2 ± 0.5) x 10-3 14 2.841 2.595
5 03 33 40.08 +75 12 35.44 5.28 (1.2 ± 0.5) x 10-3 19 2.780 2.594
6 03 37 22.30 +75 08 39.95 5.70 (1.2 ± 0.5) x 10-3 16 2.661 2.417
7 03 36 47.52 +75 17 53.55 6.41 (9 ± 4) x 10-4 10 2.396 2.357

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J0336.1+7500 Swift-XRT image with known radio, optical and UV sources for 3FGL J0336.1+7500

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 XMMSL2 J033558.9+745000 03 35 59.11 +74 50 00.24 10.94 XMM-NEWTON
XMMSL2 J033558.9+745000 03 35 59.11 +74 50 00.24 10.94 XMM-NEWTON

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J033600+750004 03 36 00.10 +75 00 05.04 1.08 NVSS
[SPT2015] VLA J0335+7500 03 35 57.31 +75 00 15.12 1.09 FER2FUSRID
TGSSADR J033557.0+750014 03 35 57.00 +75 00 15.12 1.11 GMRTAS150M
[SPT2015] VLA J0336+7505 03 36 21.60 +75 04 59.88 4.15 FER2FUSRID
2 NVSS J033621+750500 03 36 21.70 +75 05 00.96 4.15 NVSS
3 NVSS J033503+750409 03 35 03.79 +75 04 09.12 5.39 NVSS
4 NVSS J033817+750151 03 38 17.59 +75 01 50.88 8.26 NVSS
5 NVSS J033422+745617 03 34 22.39 +74 56 17.88 8.39 NVSS
6 NVSS J033828+750024 03 38 28.51 +75 00 24.12 8.94 NVSS
VLSSr J033611.7+751006 03 36 11.71 +75 10 06.96 9.19 VLSSR
WN 0330.3+7500b 03 36 13.51 +75 10 14.88 9.33 WENSS
7 NVSS J033613+751015 03 36 13.51 +75 10 14.88 9.34 NVSS
TGSSADR J033613.4+751015 03 36 13.51 +75 10 15.96 9.34 GMRTAS150M
WN 0330.3+7500a 03 36 13.90 +75 10 15.96 9.34 WENSS
8 NVSS J033415+750646 03 34 16.01 +75 06 47.16 9.43 NVSS
9 8C 0330+750 03 36 02.81 +75 10 26.04 9.53 RRS8C38MHZ
TGSSADR J033403.7+745536 03 34 03.79 +74 55 36.12 9.79 GMRTAS150M
10 NVSS J033402+745541 03 34 02.81 +74 55 41.88 9.79 NVSS
11 GB6 J0335+7511 03 35 44.50 +75 11 03.84 10.29 GB6
0329+7501 03 35 43.20 +75 11 03.84 10.31 NORTH6CM
0329+7501 03 35 43.20 +75 11 03.84 10.31 NORTH20CM
VLSSr J033532.6+751058 03 35 32.59 +75 10 59.16 10.35 VLSSR
WN 0329.6+7501a 03 35 32.59 +75 11 17.88 10.66 WENSS
12 NVSS J033531+751117 03 35 31.80 +75 11 17.16 10.66 NVSS
WN 0329.6+7501b 03 35 31.99 +75 11 17.16 10.66 WENSS
TGSSADR J033531.9+751118 03 35 31.99 +75 11 17.88 10.68 GMRTAS150M
13 NVSS J033504+751112 03 35 04.90 +75 11 12.84 11.13 NVSS
14 NVSS J033843+750647 03 38 43.51 +75 06 47.16 11.47 NVSS
15 0327+7501 03 33 44.21 +75 11 39.12 14.27 NORTH6CM

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