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 J1207.4-1840

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1207.4-1840 Swift-XRT detections in the field for 4FGL J1207.4-1840

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 12 07 41.57 -18 40 21.99 4.95 (2.6 ± 0.7) x 10-3 34 3.755 3.748
2 12 07 12.64 -18 43 03.66 5.40 (1.7 ± 0.5) x 10-3 26 3.649 3.192
3 12 07 23.23 -18 41 18.14 6.31 (1.6 ± 0.5) x 10-3 16 2.823 3.049
4 12 07 36.06 -18 29 22.44 5.76 (1.6 ± 0.5) x 10-3 19 3.183 3.007

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 12 08 12.78 -18 34 20.62 6.65 (1.4 ± 0.5) x 10-3 11 2.631 2.854
2 12 06 54.86 -18 44 47.27 5.35 (1.5 ± 0.5) x 10-3 16 3.256 2.809
3 12 06 44.51 -18 41 49.27 6.12 (1.1 ± 0.4) x 10-3 11 2.683 2.590
4 12 06 52.68 -18 43 29.12 5.64 (1.2 ± 0.5) x 10-3 21 2.977 2.542
5 12 07 08.15 -18 37 19.19 5.82 (1.1 ± 0.5) x 10-3 16 2.511 2.516

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1207.4-1840 Swift-XRT image with known radio, optical and UV sources for 4FGL J1207.4-1840


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
GLEAM J120722-184110 12 07 22.90 -18 41 09.96 1.43 GLEAMEGCAT
1 NVSS J120723-184119 12 07 23.30 -18 41 20.04 1.51 NVSS
QORG J120723.3-184121 12 07 23.30 -18 41 21.12 1.52 QORGCAT
TGSSADR J120723.3-184121 12 07 23.30 -18 41 21.12 1.52 GMRTAS150M
2 WISH B1204.8-1827B 12 07 23.30 -18 43 27.84 3.50 WISH
3 WISH B1204.8-1827 12 07 23.21 -18 44 22.92 4.41 WISH
4 PGC 866221 12 07 14.11 -18 35 38.04 5.35 PGC2003
GLEAM J120722-184522 12 07 22.90 -18 45 21.96 5.38 GLEAMEGCAT
5 NVSS J120723-184527 12 07 23.21 -18 45 27.00 5.46 NVSS
TGSSADR J120723.1-184528 12 07 23.21 -18 45 28.08 5.48 GMRTAS150M
VLSSr J120722.4-184532 12 07 22.51 -18 45 32.04 5.56 VLSSR
WISH B1204.8-1827A 12 07 23.11 -18 45 33.84 5.58 WISH
6 PGC 866222 12 07 43.10 -18 35 38.04 5.89 PGC2003
7 NVSS J120730-184600 12 07 30.60 -18 46 00.84 6.02 NVSS
8 PGC 865701 12 06 59.21 -18 38 02.04 6.83 PGC2003
9 PPM 225372 12 07 08.09 -18 32 42.72 8.58 PPM
QORG J120653.3-184335 12 06 53.30 -18 43 35.04 8.67 QORGCAT
10 NVSS J120653-184333 12 06 53.11 -18 43 33.96 8.70 NVSS
11 PGC 864430 12 07 59.90 -18 43 49.08 8.71 PGC2003
12 WISH B1204.3-1827 12 06 53.30 -18 44 31.92 9.09 WISH
13 NVSS J120721-182851 12 07 21.79 -18 28 51.96 11.26 NVSS
TGSSADR J120721.8-182850 12 07 21.79 -18 28 50.88 11.27 GMRTAS150M
GLEAM J120721-182848 12 07 21.79 -18 28 48.00 11.31 GLEAMEGCAT
14 NVSS J120636-183703 12 06 36.31 -18 37 03.00 12.33 NVSS
15 NVSS J120807-185055 12 08 07.20 -18 50 56.04 14.48 NVSS

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