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.

1FGL J1919.9+6633

Field

Detected Excesses
Swift-XRT image of the field for 1FGL J1919.9+6633 Swift-XRT detections in the field for 1FGL J1919.9+6633

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 19 20 39.02 +66 24 31.03 6.04 (3.8 ± 1.1) x 10-3 17 3.563 3.361

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 19 19 05.51 +66 42 41.91 8.27 (2.4 ± 0.8) x 10-3 9 2.538 2.846

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 1FGL J1919.9+6633 Swift-XRT image with known radio, optical and UV sources for 1FGL J1919.9+6633

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXS J192129.4+662257 19 21 29.50 +66 22 57.00 14.02 ROSAT
2RXS J192129.4+662257 19 21 29.50 +66 22 57.00 14.02 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J191913+663453 19 19 13.51 +66 34 54.12 4.64 NVSS
2 NVSS J192049+663341 19 20 49.51 +66 33 42.12 5.10 NVSS
WN 1920.6+6627 19 20 50.69 +66 33 41.04 5.21 WENSS
3 WN 1920.6+6629 19 20 50.81 +66 35 17.88 5.48 WENSS
WN 1921.0+6625 19 21 15.00 +66 31 05.16 8.05 WENSS
4 NVSS J192116+663058 19 21 16.20 +66 30 57.96 8.20 NVSS
WN 1921.0+6632 19 21 14.40 +66 38 07.08 8.79 WENSS
5 NVSS J192114+663812 19 21 14.21 +66 38 12.84 8.83 NVSS
6 NVSS J192125+663202 19 21 25.90 +66 32 03.12 8.86 NVSS
7 NVSS J191829+663745 19 18 29.81 +66 37 45.12 9.71 NVSS
8 NVSS J192127+663736 19 21 27.60 +66 37 36.84 9.72 NVSS
WN 1918.3+6632 19 18 29.11 +66 37 41.16 9.75 WENSS
TGSSADR J191905.4+664242 19 19 05.50 +66 42 42.84 10.50 GMRTAS150M
9 NVSS J191904+664240 19 19 04.61 +66 42 39.96 10.50 NVSS
GB6 J1919+6642 19 19 06.00 +66 42 45.00 10.50 GB6
WN 1918.9+6637 19 19 04.30 +66 42 43.92 10.57 WENSS
10 NVSS J192054+662359 19 20 54.50 +66 24 00.00 11.13 NVSS
WN 1920.7+6618 19 20 54.41 +66 23 54.96 11.20 WENSS
TGSSADR J192056.0+662356 19 20 55.99 +66 23 57.12 11.26 GMRTAS150M
11 NVSS J192029+662228 19 20 29.21 +66 22 28.92 11.56 NVSS
TGSSADR J191830.2+664218 19 18 30.29 +66 42 19.08 12.32 GMRTAS150M
12 NVSS J191829+664216 19 18 29.21 +66 42 15.84 12.36 NVSS
WN 1918.3+6636 19 18 29.40 +66 42 21.96 12.43 WENSS

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