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 J1655.9-3940

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J1655.9-3940 Swift-XRT detections in the field for 4FGL J1655.9-3940


No detected excesses found.

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1655.9-3940 Swift-XRT image with known radio, optical and UV sources for 4FGL J1655.9-3940

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 4XMMs J165515.7-394544 16 55 15.72 -39 45 44.28 9.33 XMM-NEWTON
2XMM J165515.6-394544 16 55 15.70 -39 45 44.28 9.34 XMM-NEWTON
4XMM J165515.6-394544 16 55 15.65 -39 45 44.28 9.34 XMM-NEWTON
2 4XMMs J165508.6-394526 16 55 08.66 -39 45 26.64 10.30 XMM-NEWTON
4XMM J165508.5-394527 16 55 08.52 -39 45 24.48 10.30 XMM-NEWTON
4XMM J165508.5-394527 16 55 08.62 -39 45 30.60 10.34 XMM-NEWTON
3 4XMMs J165500.5-394205 16 55 00.50 -39 42 05.76 10.59 XMM-NEWTON
4XMM J165500.4-394206 16 55 00.43 -39 42 06.84 10.60 XMM-NEWTON
2XMM J165500.1-394205 16 55 00.22 -39 42 07.20 10.65 XMM-NEWTON
4 4XMM J165458.0-394224 16 54 58.06 -39 42 24.48 11.11 XMM-NEWTON
4XMMs J165457.9-394222 16 54 57.96 -39 42 22.68 11.12 XMM-NEWTON
5 4XMMs J165502.9-394625 16 55 02.90 -39 46 25.68 11.76 XMM-NEWTON
4XMM J165502.8-394626 16 55 02.93 -39 46 26.76 11.76 XMM-NEWTON
4XMM J165502.8-394626 16 55 02.76 -39 46 25.68 11.78 XMM-NEWTON
6 4XMM J165455.1-394523 16 54 55.34 -39 45 24.84 12.55 XMM-NEWTON
4XMMs J165455.2-394523 16 54 55.25 -39 45 23.40 12.56 XMM-NEWTON
4XMM J165455.1-394523 16 54 55.18 -39 45 23.04 12.57 XMM-NEWTON
4XMM J165455.1-394523 16 54 55.15 -39 45 23.04 12.57 XMM-NEWTON
7 4XMMs J165500.4-394717 16 55 00.43 -39 47 17.52 12.63 XMM-NEWTON
4XMM J165500.3-394717 16 55 00.34 -39 47 16.80 12.63 XMM-NEWTON
4XMM J165500.3-394717 16 55 00.36 -39 47 18.60 12.65 XMM-NEWTON
8 4XMMs J165514.1-395050 16 55 14.11 -39 50 50.64 13.22 XMM-NEWTON
4XMM J165514.0-395050 16 55 14.09 -39 50 51.00 13.23 XMM-NEWTON
9 4XMM J165506.4-395012 16 55 06.48 -39 50 12.48 13.66 XMM-NEWTON
4XMMs J165506.3-395015 16 55 06.38 -39 50 15.72 13.72 XMM-NEWTON
10 X165454.06-395119.6 16 54 54.07 -39 51 19.44 16.13 CHANDRA

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 NVSS J165550-393859 16 55 50.71 -39 38 58.92 1.38 NVSS
MGPS J165549-393504 16 55 49.39 -39 35 03.84 5.18 MGPS2
2 NVSS J165549-393504 16 55 49.30 -39 35 03.84 5.18 NVSS
TGSSADR J165549.1-393501 16 55 49.10 -39 35 02.04 5.23 GMRTAS150M
3 NVSS J165529-394213 16 55 28.99 -39 42 14.04 5.34 NVSS
4 HD 322387 16 56 21.55 -39 41 55.32 5.48 HDEC
5 HD 322388 16 56 15.00 -39 44 53.88 6.16 HDEC
6 HD 322217 16 55 20.57 -39 40 07.68 6.55 HDEC
7 PPM 748142 16 55 37.51 -39 34 13.08 6.79 PPM
8 SZ Sco 16 56 29.21 -39 38 20.76 6.90 GCVS
WDS J16556-3934 16 55 36.00 -39 34 00.12 7.12 WDS
9 CD-3910897 16 56 24.79 -39 34 47.64 7.91 ACRS
PPM 295686 16 56 24.82 -39 34 47.64 7.91 PPM
10 NVSS J165550-393214 16 55 50.81 -39 32 13.92 7.95 NVSS
11 PMN J1655-3942 16 55 11.21 -39 42 03.96 8.57 PMN
12 HD 322358 16 56 18.14 -39 47 56.40 9.01 HDEC
MGPS J165638-393604 16 56 38.11 -39 36 05.04 9.31 MGPS2
13 NVSS J165638-393604 16 56 38.11 -39 36 05.04 9.32 NVSS
PMN J1656-3936 16 56 39.19 -39 36 28.08 9.34 PMN
TGSSADR J165638.2-393603 16 56 38.21 -39 36 02.88 9.35 GMRTAS150M
14 PMN J1655-3946 16 55 14.71 -39 46 14.16 9.79 PMN
15 WDS J16556-3931 16 55 36.00 -39 31 00.12 9.83 WDS
16 HD 322389 16 56 17.98 -39 49 00.12 9.93 HDEC
17 HEN1287 16 55 43.87 -39 30 14.76 10.12 WACKERLING
18 WDS J16555-3931 16 55 30.00 -39 31 00.12 10.31 WDS
19 HD 152524 16 55 37.82 -39 30 18.72 10.36 HIC
SAO 208191 16 55 37.68 -39 30 18.72 10.37 SAO
PPM 295663 16 55 37.80 -39 30 18.00 10.37 PPM
HIP 82832 16 55 37.80 -39 30 18.00 10.37 HIPPARCOS
NGC 6242 16 55 36.00 -39 30 00.00 10.77 NGC2000
20 HD 322213 16 55 16.30 -39 32 03.12 10.96 HDEC
21 WDS J16555-3930 16 55 30.00 -39 30 00.00 11.20 WDS
22 NVSS J165609-395107 16 56 09.50 -39 51 06.84 11.33 NVSS
23 PPM 748137 16 55 26.64 -39 30 07.56 11.38 PPM
24 HD 322390 16 56 41.30 -39 47 35.16 11.66 HDEC
25 PGCC G345.48+2.13 16 56 55.39 -39 39 55.08 11.71 PLANCKGCC
TGSSADR J165523.5-395030 16 55 23.59 -39 50 30.12 11.95 GMRTAS150M
26 NVSS J165523-395035 16 55 23.71 -39 50 35.16 12.01 NVSS
27 NVSS J165614-395132 16 56 14.71 -39 51 32.04 12.03 NVSS
MGPS J165523-395035 16 55 23.40 -39 50 35.16 12.03 MGPS2
28 PPM 748141 16 55 35.14 -39 28 41.16 12.06 PPM
29 WDS J16555-3929 16 55 30.00 -39 28 59.88 12.12 WDS
30 -3910858 16 55 27.02 -39 29 09.96 12.20 WACKERLING
31 PMN J1654-3934 16 54 57.50 -39 34 26.04 12.39 PMN
32 HD 322391 16 56 34.46 -39 49 58.08 12.45 HDEC
CD-3910857 16 55 25.10 -39 29 03.84 12.46 ACRS
HD 322211 16 55 25.08 -39 29 02.04 12.49 HDEC
33 WDS J16554-3929 16 55 24.00 -39 28 59.88 12.62 WDS
34 HD 322212 16 55 11.26 -39 30 06.84 13.06 HDEC
35 HD 322215 16 54 55.15 -39 33 36.36 13.19 HDEC
36 WDS J16567-3951 16 56 42.00 -39 51 00.00 14.17 WDS

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