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 J1829.2+2731

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J1829.2+2731 Swift-XRT detections in the field for 3FGL J1829.2+2731

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 18 29 14.00 +27 29 01.89 4.10 (1.37 ± 0.14) x 10-2 121 9.660 9.783
2 18 29 35.03 +27 26 19.22 5.89 (1.5 ± 0.5) x 10-3 17 2.826 3.081
3 18 29 55.26 +27 35 52.19 5.49 (1.7 ± 0.5) x 10-3 18 3.351 3.074
4 18 28 57.22 +27 25 54.35 5.35 (1.6 ± 0.5) x 10-3 21 3.283 3.026

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 18 29 28.35 +27 22 26.08 6.65 (1.2 ± 0.4) x 10-3 12 2.703 2.684
2 18 29 54.97 +27 38 09.60 6.93 (1.4 ± 0.5) x 10-3 11 2.386 2.661
3 18 28 28.93 +27 31 55.60 5.53 (8 ± 4) x 10-4 16 2.587 1.801

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1829.2+2731 Swift-XRT image with known radio, optical and UV sources for 3FGL J1829.2+2731

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 [MML2015] 5BZU J1829+2729 18 29 13.97 +27 29 02.76 2.49 null

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J182908+273011 18 29 08.11 +27 30 11.16 2.05 NVSS
2 GB6 J1829+2729 18 29 11.59 +27 29 24.00 2.27 GB6
1827+2727 18 29 11.30 +27 29 18.96 2.37 NORTH6CM
3 NVSS J182914+272903 18 29 13.99 +27 29 03.12 2.48 NVSS
[MML2015] 5BZU J1829+2729 18 29 13.99 +27 29 03.12 2.49 ROMABZCAT
PCCS2 143 G055.75+16.66 18 29 15.10 +27 28 41.16 2.83 PCCS143GHZ
4 NVSS J182934+273202 18 29 34.20 +27 32 03.12 4.25 NVSS
5 NVSS J182903+272717 18 29 03.50 +27 27 16.92 4.96 NVSS
6 NVSS J182932+272030 18 29 32.59 +27 20 30.84 11.67 NVSS
7 NVSS J183001+273857 18 30 01.99 +27 38 57.12 12.76 NVSS
8 NVSS J182821+273735 18 28 21.79 +27 37 36.12 13.29 NVSS
9 NVSS J182824+272150 18 28 24.89 +27 21 51.12 14.76 NVSS

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