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 J0222.7+5016

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J0222.7+5016 Swift-XRT detections in the field for 4FGL J0222.7+5016


No detected excesses found.

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 02 22 38.35 +50 26 39.82 6.52 (2.4 ± 0.9) x 10-3 14 2.887 2.831
2 02 23 03.77 +50 16 13.76 6.21 (2.8 ± 1.0) x 10-3 13 2.803 2.643

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J0222.7+5016 Swift-XRT image with known radio, optical and UV sources for 4FGL J0222.7+5016


No known X-ray or gamma ray sources found.

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
GB6 J0223+5016 02 23 01.10 +50 16 10.92 2.66 GB6
1 V759 And 02 22 39.36 +50 18 59.04 2.83 GCVS
0219+5002A 02 22 26.40 +50 16 33.96 2.90 NORTH6CM
0219+5002A 02 22 26.40 +50 16 33.96 2.90 NORTH20CM
GB6 J0222+5016 02 22 25.90 +50 16 44.04 3.00 GB6
TGSSADR J022303.4+501616 02 23 03.50 +50 16 15.96 3.04 GMRTAS150M
2 NVSS J022303+501616 02 23 03.60 +50 16 17.04 3.05 NVSS
WN 0219.7+5002 02 23 03.70 +50 16 18.84 3.08 WENSS
0219+5002B 02 23 03.79 +50 16 15.96 3.09 NORTH6CM
0219+5002B 02 23 03.79 +50 16 15.96 3.09 NORTH20CM
WN 0219.0+5003 02 22 25.39 +50 16 50.16 3.10 WENSS
3 NVSS J022225+501652 02 22 25.39 +50 16 51.96 3.11 NVSS
TGSSADR J022225.2+501649 02 22 25.30 +50 16 50.16 3.12 GMRTAS150M
VLSSr J022304.0+501620 02 23 04.01 +50 16 21.00 3.12 VLSSR
4 NVSS J022233+501325 02 22 33.70 +50 13 26.04 3.33 NVSS
5 LBN 671 02 22 19.80 +50 13 39.00 4.74 LBN
6 TXS 0220+500 02 23 46.10 +50 14 03.84 10.10 TEXAS
WN 0218.6+5010 02 21 57.79 +50 23 52.08 10.63 WENSS
7 NVSS J022156+502349 02 21 56.90 +50 23 48.84 10.71 NVSS
TGSSADR J022350.2+501306 02 23 50.21 +50 13 05.88 10.98 GMRTAS150M
8 NVSS J022350+501308 02 23 50.30 +50 13 08.04 10.99 NVSS
WN 0220.5+4959 02 23 50.50 +50 13 10.92 11.00 WENSS
9 NVSS J022354+500842 02 23 54.79 +50 08 43.08 13.55 NVSS
10 TGSSADR J022357.4+500821 02 23 57.50 +50 08 21.12 14.11 GMRTAS150M
WN 0220.6+4954A 02 23 59.30 +50 08 04.92 14.51 WENSS

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