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 J2001.5-0958

Field

Detected Excesses

Swift-XRT image of the field for 4FGL J2001.5-0958 Swift-XRT detections in the field for 4FGL J2001.5-0958

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 20 02 08.01 -09 55 40.06 5.08 (1.2 ± 0.2) x 10-2 36 5.686 5.323

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 20 01 10.74 -10 03 37.81 7.27 (2.7 ± 1.2) x 10-3 9 2.391 2.352

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 4FGL J2001.5-0958 Swift-XRT image with known radio, optical and UV sources for 4FGL J2001.5-0958


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
1 PPM 203561 20 01 36.34 -09 53 55.32 4.99 PPM
2 PPM 721376 20 01 52.73 -10 03 36.72 6.35 PPM
3 NVSS J200117-095422 20 01 17.21 -09 54 21.96 6.36 NVSS
4 NVSS J200127-095233 20 01 27.60 -09 52 32.88 6.64 NVSS
5 NVSS J200132-100647 20 01 32.69 -10 06 47.88 7.92 NVSS
6 754- 11 20 00 56.88 -09 53 58.56 10.69 NLTT
7 754- 10 20 00 51.96 -09 58 46.92 10.69 NLTT
8 NVSS J200049-100243 20 00 49.90 -10 02 44.16 11.84 NVSS
9 PMN J2000-0958 20 00 47.21 -09 58 36.84 11.87 PMN
10 NVSS J200204-100926 20 02 04.70 -10 09 25.92 12.76 NVSS
TGSSADR J200204.7-100926 20 02 04.70 -10 09 27.00 12.78 GMRTAS150M
GLEAM J200204-100929 20 02 04.61 -10 09 29.88 12.80 GLEAMEGCAT
11 NVSS J200223-100500 20 02 23.40 -10 04 59.88 13.30 NVSS
12 EH Aql 20 00 49.92 -09 50 25.44 14.05 GCVS

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