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 J0858.0-3130

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J0858.0-3130 Swift-XRT detections in the field for 4FGL J0858.0-3130

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 08 58 03.01 -31 30 39.45 5.40 (4.4 ± 0.9) x 10-2 31 5.045 4.887

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 08 59 00.90 -31 28 05.77 8.27 (4 ± 2) x 10-3 6 2.170 2.036

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J0858.0-3130 Swift-XRT image with known radio, optical and UV sources for 4FGL J0858.0-3130

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 XMMSL2 J085803.5-313039 08 58 02.78 -31 30 37.08 0.32 XMM-NEWTON
2RXS J085802.4-313041 08 58 02.45 -31 30 41.76 0.32 ROSAT
1RXS J085802.6-313043 08 58 02.59 -31 30 42.84 0.35 ROSAT
1RXS J085802.6-313043 08 58 02.59 -31 30 42.84 0.35 ROSAT
1BMW 085803.0-313038 08 58 03.05 -31 30 38.16 0.37 ROSAT
1RXH J085803.1-313037 08 58 03.12 -31 30 37.44 0.38 ROSAT
XMMSL2 J085803.5-313039 08 58 03.60 -31 30 38.88 0.48 XMM-NEWTON
2 1RXS J085759.7-313258 08 57 59.69 -31 32 58.56 2.55 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
QORG J085802.9-313038 08 58 02.90 -31 30 38.16 0.35 QORGCAT
1 NVSS J085802-313040 08 58 02.90 -31 30 39.96 0.36 NVSS
2 SAO 199833 08 58 09.91 -31 27 21.96 3.57 SAO
CD-30 7040 08 58 09.96 -31 27 21.24 3.58 ACRS
PPM 285892 08 58 10.01 -31 27 20.88 3.60 PPM
TGSSADR J085827.1-312809 08 58 27.10 -31 28 09.84 5.92 GMRTAS150M
MGPS J085828-312803 08 58 28.39 -31 28 03.00 6.21 MGPS2
3 NVSS J085828-312758 08 58 28.90 -31 27 59.04 6.35 NVSS
TGSSADR J085829.9-312752 08 58 29.90 -31 27 52.92 6.59 GMRTAS150M
4 NVSS J085813-313705 08 58 13.51 -31 37 05.88 7.11 NVSS
5 NVSS J085825-312433 08 58 25.70 -31 24 33.84 7.83 NVSS
6 PPM 285884 08 57 25.34 -31 28 02.28 8.08 PPM
CD-30 7027 08 57 25.32 -31 28 02.28 8.09 ACRS
SAO 199823 08 57 25.27 -31 27 59.04 8.11 SAO
7 NVSS J085721-313258 08 57 21.60 -31 32 58.92 8.86 NVSS
MGPS J085721-313301 08 57 21.29 -31 33 01.08 8.94 MGPS2
TGSSADR J085727.6-313700 08 57 27.70 -31 37 00.12 9.74 GMRTAS150M
8 NVSS J085727-313701 08 57 27.60 -31 37 00.84 9.76 NVSS
MGPS J085727-313708 08 57 27.10 -31 37 09.12 9.93 MGPS2
9 PPM 285890 08 57 52.49 -31 40 14.52 9.97 PPM
CD-31 6744 08 57 52.49 -31 40 14.88 9.98 ACRS
SAO 199828 08 57 52.58 -31 40 15.96 9.99 SAO
10 CGMW 2-4519 08 57 18.31 -31 35 00.96 10.27 CGMW
PGC 82148 08 57 18.31 -31 35 00.96 10.27 PGC2003
11 PGC 3085228 08 57 12.79 -31 31 45.12 10.46 PGC2003
12 NVSS J085721-313721 08 57 21.60 -31 37 21.00 10.96 NVSS
13 NVSS J085840-313745 08 58 40.20 -31 37 45.12 11.00 NVSS
14 PGC 3085229 08 57 13.39 -31 35 03.84 11.24 PGC2003
15 NVSS J085830-314002 08 58 30.70 -31 40 03.00 11.43 NVSS
16 NVSS J085837-312132 08 58 37.80 -31 21 32.04 11.81 NVSS
MGPS J085840-313908 08 58 40.99 -31 39 09.00 12.09 MGPS2
TGSSADR J085841.1-313910 08 58 41.11 -31 39 11.16 12.14 GMRTAS150M
17 NVSS J085841-313912 08 58 41.11 -31 39 11.88 12.15 NVSS
18 NVSS J085729-312011 08 57 29.50 -31 20 12.12 12.32 NVSS
MGPS J085729-312008 08 57 29.40 -31 20 08.88 12.37 MGPS2
19 NVSS J085846-312202 08 58 46.39 -31 22 01.92 12.75 NVSS
20 901- 4 08 58 32.76 -31 18 28.80 13.71 NLTT
TGSSADR J085715.1-314043 08 57 15.19 -31 40 42.96 14.23 GMRTAS150M
21 NVSS J085714-314046 08 57 14.71 -31 40 45.84 14.34 NVSS
MGPS J085714-314049 08 57 14.71 -31 40 49.08 14.38 MGPS2

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