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 J2100.0+1445

Field

Detected Excesses

Swift-XRT image of the field for 4FGL J2100.0+1445 Swift-XRT detections in the field for 4FGL J2100.0+1445

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 20 59 53.70 +14 53 23.27 5.82 (3.3 ± 1.0) x 10-3 18 3.360 3.185

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 21 00 03.18 +14 44 39.52 6.65 (2.4 ± 0.9) x 10-3 14 2.575 2.611
2 21 00 21.75 +14 53 18.53 7.97 (1.9 ± 0.8) x 10-3 7 2.292 2.374
3 21 00 13.65 +14 56 45.66 7.09 (1.6 ± 0.8) x 10-3 10 2.519 2.131

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 4FGL J2100.0+1445 Swift-XRT image with known radio, optical and UV sources for 4FGL J2100.0+1445


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 WDS J21003+1446 21 00 18.00 +14 46 00.12 3.49 WDS
2 NVSS J210014+144301 21 00 14.59 +14 43 00.84 3.91 NVSS
QORG J205953.8+145315 20 59 53.81 +14 53 15.00 7.75 QORGCAT
3 NVSS J205953+145318 20 59 53.71 +14 53 18.96 7.82 NVSS
4 WDS J21006+1449 21 00 36.00 +14 49 00.12 8.44 WDS
5 WDS J20598+1455 20 59 48.00 +14 55 00.12 9.88 WDS
TGSSADR J205925.7+145049 20 59 25.80 +14 50 48.84 10.39 GMRTAS150M
6 NVSS J205925+145054 20 59 25.61 +14 50 54.96 10.47 NVSS
7 NVSS J205918+144459 20 59 18.19 +14 44 58.92 11.01 NVSS
8 MITG J2059+1452 20 59 26.59 +14 52 32.16 11.15 MITGB6CM
9 516- 18 20 59 18.12 +14 52 06.60 12.63 NLTT
10 V336 Del 21 00 47.52 +14 52 46.20 12.66 GCVS
11 NVSS J210051+145424 21 00 51.41 +14 54 24.84 14.37 NVSS
12 BD+14 4506 21 00 50.69 +14 36 31.68 14.73 ACRS
SAO 106753 21 00 50.64 +14 36 30.24 14.74 SAO
PPM 139446 21 00 50.69 +14 36 30.96 14.74 PPM
13 NVSS J210049+143529 21 00 49.70 +14 35 30.12 15.24 NVSS
TGSSADR J205920.2+145744 20 59 20.30 +14 57 43.92 15.82 GMRTAS150M
14 NVSS J205920+145752 20 59 20.59 +14 57 51.84 15.86 NVSS

Penn State University Goddard Space Flight Center Swift