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.

4FGL J1749.8-0303

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1749.8-0303 Swift-XRT detections in the field for 4FGL J1749.8-0303

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 17 50 17.65 -03 15 07.52 5.08 (1.3 ± 0.3) x 10-2 34 5.500 5.202

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 17 49 59.92 -02 54 36.98 6.31 (4 ± 2) x 10-3 13 2.686 2.511
2 17 49 59.58 -03 03 44.30 6.41 (2.3 ± 1.1) x 10-3 13 2.460 2.097

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1749.8-0303 Swift-XRT image with known radio, optical and UV sources for 4FGL J1749.8-0303

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J174950.7-025625 17 49 50.69 -02 56 25.08 6.69 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J174948-030011 17 49 48.41 -03 00 11.16 2.99 NVSS
2 NVSS J175002-030221 17 50 02.59 -03 02 21.12 3.02 NVSS
3 TXS 1747-030 17 49 44.71 -03 05 56.04 3.23 TEXAS
4 OT-078 17 49 34.30 -03 02 51.00 4.15 DIXON
5 NVSS J174952-025848 17 49 52.30 -02 58 48.00 4.32 NVSS
GLEAM J174953-025848 17 49 53.21 -02 58 49.08 4.33 GLEAMEGCAT
TGSSADR J174952.2-025846 17 49 52.30 -02 58 45.84 4.35 GMRTAS150M
6 NVSS J174935-030116 17 49 35.11 -03 01 15.96 4.36 NVSS
TGSSADR J174934.9-030114 17 49 34.99 -03 01 14.88 4.39 GMRTAS150M
GLEAM J174941-030706 17 49 41.81 -03 07 06.96 4.60 GLEAMEGCAT
TGSSADR J174941.2-030701 17 49 41.21 -03 07 01.92 4.61 GMRTAS150M
7 NVSS J174941-030702 17 49 41.30 -03 07 01.92 4.61 NVSS
8 NVSS J175012-030144 17 50 12.10 -03 01 44.04 5.45 NVSS
9 NVSS J174933-030804 17 49 33.91 -03 08 03.84 6.54 NVSS
10 NVSS J174927-025623 17 49 27.50 -02 56 24.00 8.91 NVSS
11 NVSS J174933-025425 17 49 33.79 -02 54 25.92 9.68 NVSS
TGSSADR J174933.6-025424 17 49 33.70 -02 54 24.84 9.70 GMRTAS150M
GLEAM J174933-025425 17 49 33.10 -02 54 24.84 9.76 GLEAMEGCAT
12 NVSS J174924-031038 17 49 24.50 -03 10 37.92 10.01 NVSS
13 PPM 201097 17 50 03.36 -03 12 41.76 10.08 PPM
14 NVSS J174937-031403 17 49 37.20 -03 14 03.12 11.47 NVSS
15 NVSS J175006-031416 17 50 06.79 -03 14 17.16 11.85 NVSS
16 PPM 201081 17 49 13.44 -03 11 27.24 12.54 PPM
GLEAM J175025-025352 17 50 25.51 -02 53 52.08 12.65 GLEAMEGCAT
17 NVSS J175025-025347 17 50 25.90 -02 53 47.04 12.78 NVSS
TGSSADR J175025.9-025346 17 50 25.99 -02 53 45.96 12.79 GMRTAS150M
18 NVSS J174906-025536 17 49 06.79 -02 55 36.84 13.32 NVSS
19 NVSS J175020-025135 17 50 20.69 -02 51 36.00 13.70 NVSS
20 OT-080 17 50 35.11 -02 52 46.92 15.12 DIXON
21 NVSS J174904-031241 17 49 04.10 -03 12 42.12 15.12 NVSS

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