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 J0407.7-5702

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J0407.7-5702 Swift-XRT detections in the field for 4FGL J0407.7-5702

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 04 07 31.07 -57 00 24.42 4.24 (2.2 ± 0.3) x 10-2 92 7.500 7.804
2 04 08 44.71 -57 01 37.80 5.17 (4.0 ± 1.3) x 10-3 19 2.965 3.022

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 08 42.97 -56 58 27.58 4.71 (3.6 ± 1.4) x 10-3 25 2.662 2.633
2 04 06 55.90 -57 08 51.37 5.28 (3.4 ± 1.3) x 10-3 18 2.592 2.583
3 04 07 34.86 -57 06 50.66 5.08 (3.2 ± 1.3) x 10-3 27 2.628 2.512
4 04 07 31.16 -57 00 24.48 4.23 (4 ± 2) x 10-3 92 2.614 2.273

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J0407.7-5702 Swift-XRT image with known radio, optical and UV sources for 4FGL J0407.7-5702

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 2RXS J040730.2-570024 04 07 30.29 -57 00 24.84 2.54 ROSAT
2RXS J040730.2-570024 04 07 30.29 -57 00 24.84 2.54 ROSAT
1RXS J040729.8-570019 04 07 29.81 -57 00 19.08 2.65 ROSAT
2 XMMSL2 J040629.9-570048 04 06 30.00 -57 00 47.52 10.14 XMM-NEWTON
XMMSL2 J040629.9-570048 04 06 30.00 -57 00 47.52 10.14 XMM-NEWTON
2RXS J040629.6-570048 04 06 29.71 -57 00 48.60 10.18 ROSAT
2RXS J040629.6-570048 04 06 29.71 -57 00 48.60 10.18 ROSAT
1RXS J040629.7-570047 04 06 29.71 -57 00 47.52 10.18 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 PPM 333217 04 07 28.97 -57 02 47.04 2.12 PPM
CD-57 824 04 07 28.90 -57 02 47.40 2.13 ACRS
SAO 233404 04 07 28.87 -57 02 48.12 2.14 SAO
2 QORG J040729.4-570021 04 07 29.40 -57 00 20.88 2.67 QORGCAT
3 PGC 394212 04 07 14.09 -57 04 54.84 4.90 PGC2003
4 PGC 394942 04 07 04.49 -57 00 42.12 5.55 PGC2003
5 PGC 394195 04 06 57.29 -57 05 00.96 6.95 PGC2003
6 PGC 395683 04 08 21.00 -56 56 26.88 7.63 PGC2003
7 SUMSS J040838-570502 04 08 38.50 -57 05 03.12 7.98 SUMSS
8 SUMSS J040848-570219 04 08 48.91 -57 02 20.04 8.85 SUMSS
9 GLEAM J040852-570233 04 08 52.20 -57 02 34.08 9.31 GLEAMEGCAT
10 GLEAM J040754-565247 04 07 55.01 -56 52 48.00 9.48 GLEAMEGCAT
SUMSS J040755-565244 04 07 55.20 -56 52 44.04 9.55 SUMSS
11 PGC 396307 04 08 03.70 -56 52 49.08 9.72 PGC2003
12 SUMSS J040726-565212 04 07 26.09 -56 52 13.08 10.23 SUMSS
13 PGC 396254 04 06 58.51 -56 53 08.16 10.94 PGC2003
14 PGC 394114 04 06 21.00 -57 05 26.88 11.73 PGC2003
15 PGC 393003 04 06 42.10 -57 11 03.84 12.24 PGC2003
16 GLEAM J040902-571310 04 09 02.71 -57 13 09.84 15.36 GLEAMEGCAT
SUMSS J040903-571319 04 09 03.00 -57 13 19.92 15.50 SUMSS

Penn State University Goddard Space Flight Center Swift