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 J1536.8-4327

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1536.8-4327 Swift-XRT detections in the field for 4FGL J1536.8-4327

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 15 37 18.94 -43 20 33.73 5.64 (1.2 ± 0.3) x 10-2 26 4.608 4.588

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1536.8-4327 Swift-XRT image with known radio, optical and UV sources for 4FGL J1536.8-4327

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J153611.8-433103 15 36 11.81 -43 31 03.36 8.15 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 MGPS J153702-432821 15 37 02.11 -43 28 22.08 1.88 MGPS2
TGSSADR J153702.2-432828 15 37 02.30 -43 28 27.84 1.96 GMRTAS150M
2 MGPS J153732-432347 15 37 32.11 -43 23 48.12 8.14 MGPS2
3 HD 139023 15 37 23.23 -43 20 20.40 9.17 HIC
SAO 225993 15 37 23.26 -43 20 20.40 9.17 SAO
PPM 320803 15 37 23.21 -43 20 20.04 9.18 PPM
NN 15 37 23.21 -43 20 20.04 9.18 ACRS
HIP 76491 15 37 23.26 -43 20 19.32 9.19 HIPPARCOS
WDS J15374-4320 15 37 24.00 -43 19 59.88 9.53 WDS
4 PPM 320769 15 36 19.54 -43 36 46.08 10.93 PPM
CD-4310039 15 36 19.56 -43 36 46.44 10.93 ACRS
SAO 225959 15 36 19.68 -43 36 47.16 10.93 SAO
5 SAO 225960 15 36 21.00 -43 16 39.36 12.38 SAO
PPM 320770 15 36 20.88 -43 16 39.00 12.39 PPM
6 PPM 761313 15 37 50.18 -43 39 15.84 15.64 PPM

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