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 J1750.4-1721

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1750.4-1721 Swift-XRT detections in the field for 4FGL J1750.4-1721


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 17 50 20.38 -17 14 19.59 5.96 (7 ± 3) x 10-3 11 2.201 2.156

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1750.4-1721 Swift-XRT image with known radio, optical and UV sources for 4FGL J1750.4-1721

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXS J175018.1-171500 17 50 18.12 -17 15 00.72 6.81 ROSAT
2 1RXS J175016.4-171355 17 50 16.39 -17 13 54.84 7.97 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 PPM 233650 17 50 20.98 -17 22 21.00 1.15 PPM
2 PPM 718532 17 50 24.53 -17 15 05.04 6.55 PPM
3 NVSS J175019-171455 17 50 19.20 -17 14 54.96 6.85 NVSS
TGSSADR J175018.9-171450 17 50 18.91 -17 14 49.92 6.94 GMRTAS150M
4 NVSS J175015-172821 17 50 15.60 -17 28 22.08 7.07 NVSS
TGSSADR J175041.1-172747 17 50 41.21 -17 27 47.16 7.29 GMRTAS150M
5 NVSS J175040-172752 17 50 40.80 -17 27 52.92 7.32 NVSS
6 SAO 160844 17 49 55.37 -17 18 50.40 7.55 SAO
HD 162080 17 49 55.30 -17 18 50.40 7.57 HIC
BD-17 4928 17 49 55.25 -17 18 50.40 7.58 ACRS
HIP 87266 17 49 55.22 -17 18 50.40 7.58 HIPPARCOS
PPM 233638 17 49 55.22 -17 18 50.40 7.59 PPM
7 PPM 718538 17 50 49.90 -17 16 53.76 7.64 PPM
8 NVSS J175009-171442 17 50 09.00 -17 14 43.08 7.88 NVSS
TGSSADR J175021.2-171245 17 50 21.31 -17 12 46.08 8.91 GMRTAS150M
9 NVSS J175021-171245 17 50 21.41 -17 12 46.08 8.91 NVSS
10 CTB 43 17 50 54.50 -17 15 46.08 9.21 DIXON
11 PPM 233662 17 50 56.78 -17 15 25.56 9.85 PPM
HIP 87351 17 50 56.78 -17 15 25.20 9.85 HIPPARCOS
BD-17 4932 17 50 56.81 -17 15 25.56 9.85 ACRS
HD 162264 17 50 56.86 -17 15 25.92 9.86 HIC
SAO 160855 17 50 56.93 -17 15 25.56 9.87 SAO
12 V3964 Sgr 17 49 42.62 -17 23 36.24 10.25 GCVS
CV J174942.5-172335 17 49 42.55 -17 23 35.52 10.26 CVCAT
V3964 SGR 17 49 42.36 -17 23 35.52 10.31 DUERBECK
13 NVSS J175053-172917 17 50 53.90 -17 29 17.88 10.34 NVSS
14 PPM 718524 17 49 41.40 -17 24 11.88 10.66 PPM
NSV 23937 17 49 41.40 -17 24 11.88 10.66 GCVSNSVARS
15 PPM 718543 17 51 12.19 -17 23 26.16 11.46 PPM

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