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 J1615.6-4450


Detected Excesses

Swift-XRT image of the field for 3FGL J1615.6-4450 Swift-XRT detections in the field for 3FGL J1615.6-4450

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 16 15 43.23 -44 49 20.58 4.81 (1.4 ± 0.2) x 10-2 55 6.739 7.037

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 3FGL J1615.6-4450 Swift-XRT image with known radio, optical and UV sources for 3FGL J1615.6-4450

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1WGA J1615.7-4449 16 15 43.30 -44 49 18.48 1.17 ROSAT
2RXP J161543.4-444915 16 15 43.34 -44 49 14.88 1.22 ROSAT
2 1WGA J1615.8-4443 16 15 48.60 -44 43 28.20 6.97 ROSAT
2RXP J161548.5-444323 16 15 48.43 -44 43 22.80 7.05 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 MGPS J161436-445207 16 14 36.79 -44 52 06.96 11.25 MGPS2
2 MGPS J161444-445712 16 14 44.50 -44 57 11.88 11.95 MGPS2

Penn State University Goddard Space Flight Center Swift