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 J1720.6-5144

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1720.6-5144 Swift-XRT detections in the field for 4FGL J1720.6-5144

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 17 20 32.70 -51 44 14.17 3.62 (1.35 ± 0.05) x 10-1 733 24.850 25.640

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 20 27.43 -51 52 15.51 5.49 (1.8 ± 0.8) x 10-3 22 2.448 2.279

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1720.6-5144 Swift-XRT image with known radio, optical and UV sources for 4FGL J1720.6-5144

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXS J172032.2-514417 17 20 32.26 -51 44 17.16 1.06 ROSAT
1RXS J172032.0-514414 17 20 31.99 -51 44 13.92 1.12 ROSAT
1RXS J172032.0-514414 17 20 31.99 -51 44 13.92 1.12 ROSAT
2 1RXS J172144.4-513307 17 21 44.40 -51 33 07.56 15.63 ROSAT
3 2RXS J172147.6-513259 17 21 47.59 -51 32 59.64 16.06 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 PMN J1720-5144 17 20 42.00 -51 44 44.16 0.64 PMN
2 ATPMN J172032.5-514413 17 20 32.59 -51 44 12.84 1.06 ATPMNCAT
MGPS J172032-514359 17 20 32.90 -51 43 59.88 1.18 MGPS2
ESO 171648-5142.2 17 20 46.08 -51 45 18.00 1.33 ESOUPPSALA
NGC 6326 17 20 46.22 -51 45 19.44 1.36 PLNEBULAE
J1720-5145 17 20 46.39 -51 45 15.84 1.36 RITTERRBIN
3 MGPS J172046-514516 17 20 46.61 -51 45 15.84 1.40 MGPS2
NGC 6326 17 20 48.00 -51 45 00.00 1.56 NGC2000
4 NSV 8517 17 20 54.31 -51 47 58.92 4.01 GCVSNSVARS
5 MGPS J172035-514929 17 20 35.90 -51 49 30.00 4.63 MGPS2
6 MGPS J172037-514013 17 20 37.10 -51 40 14.16 4.64 MGPS2
TGSSADR J172037.0-514012 17 20 37.01 -51 40 12.00 4.68 GMRTAS150M
7 V964 Ara 17 21 01.03 -51 48 53.64 5.37 GCVS
8 ATPMN J172135.1-514615 17 21 35.11 -51 46 14.88 8.95 ATPMNCAT
PMN J1721-5146 17 21 35.30 -51 46 23.16 9.00 PMN
1717-517 17 21 36.10 -51 46 15.96 9.10 MRC
MGPS J172136-514616 17 21 36.50 -51 46 17.04 9.17 MGPS2
TGSSADR J172136.5-514620 17 21 36.60 -51 46 19.92 9.18 GMRTAS150M
ATPMN J172137.8-514620 17 21 37.90 -51 46 19.92 9.39 ATPMNCAT
9 MGPS J172140-514621 17 21 40.51 -51 46 22.08 9.79 MGPS2
10 MGPS J172119-513700 17 21 19.30 -51 37 00.84 10.14 MGPS2
TGSSADR J172119.3-513700 17 21 19.30 -51 37 00.12 10.15 GMRTAS150M
11 MGPS J172056-513438 17 20 56.50 -51 34 37.92 10.63 MGPS2
12 MGPS J172128-515334 17 21 28.30 -51 53 35.16 11.67 MGPS2
13 TGSSADR J172119.2-515457 17 21 19.30 -51 54 56.88 11.93 GMRTAS150M
MGPS J172119-515458 17 21 19.30 -51 54 59.04 11.96 MGPS2
14 MGPS J172138-515447 17 21 38.81 -51 54 47.88 13.67 MGPS2
TGSSADR J172138.8-515449 17 21 38.90 -51 54 48.96 13.69 GMRTAS150M

Penn State University Goddard Space Flight Center Swift