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 J1753.9+2443

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1753.9+2443 Swift-XRT detections in the field for 4FGL J1753.9+2443

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 17 53 24.12 +24 40 58.77 5.28 (2.3 ± 0.7) x 10-3 20 3.768 3.564
2 17 53 36.20 +24 46 39.74 5.76 (2.3 ± 0.7) x 10-3 21 3.412 3.504

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 17 53 13.93 +24 42 56.45 6.41 (1.2 ± 0.5) x 10-3 15 2.771 2.579
2 17 54 19.19 +24 48 33.66 5.89 (1.3 ± 0.5) x 10-3 17 2.597 2.542
3 17 53 30.13 +24 43 18.81 5.64 (1.2 ± 0.5) x 10-3 10 2.548 2.414

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1753.9+2443 Swift-XRT image with known radio, optical and UV sources for 4FGL J1753.9+2443

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXS J175335.2+244619 17 53 35.21 +24 46 18.84 5.96 ROSAT
2RXS J175335.2+244619 17 53 35.21 +24 46 18.84 5.96 ROSAT
1RXS J175335.0+244616 17 53 34.99 +24 46 15.96 5.98 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J175408+244527 17 54 08.50 +24 45 28.08 2.75 NVSS
2 BD+24 3275 17 53 36.19 +24 46 37.56 5.90 ACRS
HD 163130 17 53 36.19 +24 46 37.92 5.90 HIC
PPM 106490 17 53 36.19 +24 46 38.28 5.90 PPM
HIP 87593 17 53 36.17 +24 46 37.92 5.90 HIPPARCOS
SAO 85520 17 53 36.02 +24 46 37.92 5.93 SAO
3 WDS J17537+2450 17 53 42.00 +24 49 59.88 7.31 WDS
4 NVSS J175400+245111 17 54 00.29 +24 51 11.88 7.42 NVSS
TGSSADR J175400.3+245116 17 54 00.41 +24 51 15.84 7.50 GMRTAS150M
5 NVSS J175408+243514 17 54 08.50 +24 35 15.00 8.80 NVSS
6 1751+2453 17 53 43.99 +24 52 40.08 9.51 NORTH6CM
7 PGC 1719117 17 54 10.99 +24 53 03.84 9.68 PGC2003
8 NVSS J175345+245341 17 53 45.60 +24 53 40.92 10.36 NVSS
9 NVSS J175341+245357 17 53 41.11 +24 53 57.12 10.95 NVSS
10 NVSS J175408+245434 17 54 09.00 +24 54 34.92 11.03 NVSS
11 NVSS J175314+243602 17 53 14.21 +24 36 02.16 12.77 NVSS
12 MCG+04-42-013 17 53 18.24 +24 34 26.40 13.15 MCG
UZC J175316.1+243421 17 53 16.10 +24 34 21.00 13.56 UZC
PGC 61052 17 53 16.10 +24 34 19.92 13.57 PGC2003
13 17512+2435 17 53 15.24 +24 34 26.04 13.64 ZCAT
UGC 11027 17 53 15.19 +24 34 26.04 13.65 UGC
14 TGSSADR J175317.7+243339 17 53 17.81 +24 33 38.88 13.78 GMRTAS150M
15 NVSS J175319+243312 17 53 19.10 +24 33 11.88 13.93 NVSS
TGSSADR J175319.7+243301 17 53 19.80 +24 33 01.08 13.97 GMRTAS150M
16 NVSS J175436+245513 17 54 36.31 +24 55 14.16 14.23 NVSS
17 NVSS J175438+243232 17 54 38.81 +24 32 31.92 14.43 NVSS
18 NVSS J175308+245240 17 53 08.71 +24 52 40.08 14.47 NVSS
19 Unknown 17 53 12.00 +24 34 00.12 14.47 RC3

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