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.

1FGL J0409.9-0357

Field

Detected Excesses

Swift-XRT image of the field for 1FGL J0409.9-0357 Swift-XRT detections in the field for 1FGL J0409.9-0357

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 04 09 46.64 -03 59 55.26 4.95 (7.6 ± 1.3) x 10-3 43 5.579 5.661

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 04 10 21.27 -03 58 27.49 6.04 (1.6 ± 0.7) x 10-3 12 2.379 2.370
2 04 10 07.58 -03 52 14.62 4.71 (1.9 ± 0.8) x 10-3 31 2.752 2.283
3 04 10 04.21 -03 52 23.22 4.74 (1.4 ± 0.8) x 10-3 28 2.571 1.754

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 1FGL J0409.9-0357 Swift-XRT image with known radio, optical and UV sources for 1FGL J0409.9-0357

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 [MML2015] 5BZB J0409-0400 04 09 46.58 -04 00 03.60 3.36 null
SWIFT J040946.3-040002 04 09 46.39 -04 00 02.16 3.37 SWIFT
2 1RXS J040956.2-035158 04 09 56.21 -03 51 57.96 5.43 ROSAT
3 SWXCS J041004-0352.1 04 10 03.89 -03 52 05.88 5.76 SWIFT
4 2RXS J040912.9-040144 04 09 12.96 -04 01 44.40 11.30 ROSAT
2RXS J040912.9-040144 04 09 12.96 -04 01 44.40 11.30 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 SPASS J040956-035551 04 09 56.21 -03 55 50.88 1.57 SPASS2P3GH
2 NVSS J040955-035857 04 09 55.70 -03 58 57.00 1.58 NVSS
GLEAM J040949-035525 04 09 49.39 -03 55 26.04 2.38 GLEAMEGCAT
3 NVSS J040949-035520 04 09 49.01 -03 55 19.92 2.50 NVSS
TGSSADR J040949.0-035520 04 09 49.01 -03 55 21.00 2.50 GMRTAS150M
[SPT2015] ATCA J0409-0355 04 09 49.10 -03 55 18.84 2.51 FER2FUSRID
[PME2013] J0409-0355 04 09 49.10 -03 55 18.84 2.51 AT2FGLUS
[PME2013] J0409-0400 04 09 46.61 -04 00 02.16 3.35 AT2FGLUS
[SPT2015] ATCA J0409-0400 04 09 46.61 -04 00 02.16 3.35 FER2FUSRID
[MML2015] 5BZB J0409-0400 04 09 46.61 -04 00 03.96 3.36 ROMABZCAT
4 NVSS J040946-040003 04 09 46.61 -04 00 03.96 3.37 NVSS
GLEAM J040947-040020 04 09 47.21 -04 00 20.88 3.51 GLEAMEGCAT
5 NVSS J041004-035337 04 10 04.10 -03 53 38.04 4.42 NVSS
6 0407-0401L 04 10 02.30 -03 53 22.92 4.43 NORTH20CM
GLEAM J041003-035246 04 10 04.01 -03 52 45.84 5.16 GLEAMEGCAT
VLSSr J041004.0-035243 04 10 04.01 -03 52 44.04 5.20 VLSSR
TGSSADR J041003.7-035238 04 10 03.79 -03 52 39.00 5.25 GMRTAS150M
7 NVSS J041003-035231 04 10 03.70 -03 52 32.16 5.34 NVSS
8 NVSS J040933-035838 04 09 33.60 -03 58 37.92 5.44 NVSS
9 NVSS J041002-040422 04 10 02.90 -04 04 23.16 7.28 NVSS
10 NVSS J041020-040132 04 10 20.30 -04 01 32.16 7.60 NVSS
11 NVSS J040927-035404 04 09 27.00 -03 54 05.04 7.68 NVSS
TGSSADR J041009.5-034907 04 10 09.60 -03 49 06.96 9.05 GMRTAS150M
12 NVSS J041009-034905 04 10 09.50 -03 49 05.88 9.07 NVSS
GLEAM J041009-034859 04 10 09.60 -03 49 00.12 9.17 GLEAMEGCAT
13 NVSS J040920-040123 04 09 20.71 -04 01 23.88 9.41 NVSS
14 NVSS J041027-040205 04 10 27.79 -04 02 06.00 9.47 NVSS
15 NVSS J040918-035106 04 09 18.31 -03 51 06.12 11.06 NVSS
16 NVSS J041017-040748 04 10 17.71 -04 07 49.08 11.89 NVSS
GLEAM J040922-034613 04 09 22.30 -03 46 13.08 13.80 GLEAMEGCAT
17 NVSS J040922-034612 04 09 22.10 -03 46 12.00 13.84 NVSS
TGSSADR J040921.9-034612 04 09 22.01 -03 46 13.08 13.85 GMRTAS150M

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