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 J2228.5-1636

Field

Detected Excesses
Swift-XRT image of the field for 3FGL J2228.5-1636 Swift-XRT detections in the field for 3FGL J2228.5-1636

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 22 28 16.12 -16 23 42.33 4.90 (9.4 ± 1.4) x 10-2 47 6.900 6.584

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 3FGL J2228.5-1636 Swift-XRT image with known radio, optical and UV sources for 3FGL J2228.5-1636

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 SWIFT J222804.4-163620 22 28 04.46 -16 36 20.88 7.48 SWIFT
2 SWIFT J222749.5-162809 22 27 49.54 -16 28 09.12 13.62 SWIFT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
WISH B2225.8-1652 22 28 30.60 -16 36 45.00 1.37 WISH
[SPT2015] ATCA J2228-1636 22 28 30.19 -16 36 42.84 1.45 FER2FUSRID
[PME2013] J2228-1636 22 28 30.10 -16 36 42.84 1.47 AT2FGLUS
1 NVSS J222830-163643 22 28 30.10 -16 36 42.84 1.47 NVSS
2 NVSS J222830-164020 22 28 30.89 -16 40 19.92 4.39 NVSS
[PME2013] J2228-1630 22 28 45.29 -16 30 21.96 6.18 AT2FGLUS
[SPT2015] ATCA J2228-1630 22 28 45.29 -16 30 21.96 6.18 FER2FUSRID
3 NVSS J222845-163016 22 28 45.41 -16 30 15.84 6.29 NVSS
4 NVSS J222820-164217 22 28 20.30 -16 42 16.92 7.20 NVSS
5 NVSS J222831-164324 22 28 31.49 -16 43 23.88 7.37 NVSS
TGSSADR J222857.8-164115 22 28 57.91 -16 41 15.00 7.40 GMRTAS150M
6 NVSS J222857-164130 22 28 57.31 -16 41 30.12 7.48 NVSS
GLEAM J222857-164129 22 28 57.41 -16 41 29.04 7.50 GLEAMEGCAT
WISH B2226.2-1656 22 28 57.31 -16 41 33.00 7.51 WISH
VLSSr J222857.2-164136 22 28 57.31 -16 41 35.88 7.56 VLSSR
TGSSADR J222856.6-164146 22 28 56.71 -16 41 45.96 7.58 GMRTAS150M
7 NVSS J222842-162619 22 28 42.79 -16 26 18.96 9.93 NVSS
WISH B2226.0-1641 22 28 42.70 -16 26 18.96 9.94 WISH
TGSSADR J222828.3-162603 22 28 28.39 -16 26 03.84 10.19 GMRTAS150M
8 NVSS J222828-162604 22 28 28.30 -16 26 03.84 10.19 NVSS
WISH B2225.7-1641 22 28 28.20 -16 25 59.88 10.26 WISH
GLEAM J222828-162558 22 28 28.51 -16 25 59.16 10.27 GLEAMEGCAT
GLEAM J222809-162613 22 28 10.01 -16 26 12.84 11.64 GLEAMEGCAT
9 NVSS J222809-162613 22 28 09.10 -16 26 12.84 11.75 NVSS
10 NVSS J222919-164256 22 29 19.30 -16 42 56.16 12.48 NVSS
11 WISH B2226.6-1658 22 29 19.01 -16 43 27.12 12.72 WISH
12 WISH B2225.4-1640 22 28 08.40 -16 24 51.12 13.02 WISH
13 NVSS J222918-164417 22 29 18.70 -16 44 17.16 13.16 NVSS
14 NVSS J222902-164755 22 29 02.90 -16 47 54.96 13.49 NVSS

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