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 J1624.0-4041

Field

Detected Excesses
Swift-XRT image of the field for 1FGL J1624.0-4041 Swift-XRT detections in the field for 1FGL J1624.0-4041

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 16 24 17.85 -40 36 08.51 3.97 (1.4 ± 0.2) x 10-3 110 5.755 5.669
2 16 23 44.45 -40 30 32.49 4.09 (8 ± 2) x 10-4 53 4.906 4.337
3 16 24 13.11 -40 49 36.62 4.10 (8 ± 2) x 10-4 75 4.537 4.304
4 16 24 35.88 -40 39 54.63 4.02 (8 ± 2) x 10-4 77 4.461 3.998
5 16 24 09.61 -40 41 42.83 4.12 (6 ± 2) x 10-4 97 3.339 3.562
6 16 23 13.21 -40 43 00.12 4.04 (6 ± 2) x 10-4 69 4.381 3.447
7 16 23 55.57 -40 35 25.74 4.08 (7 ± 2) x 10-4 68 3.126 3.385
8 16 23 22.00 -40 46 50.79 4.18 (5 ± 2) x 10-4 58 3.394 3.322
9 16 23 27.70 -40 37 26.26 4.07 (6 ± 2) x 10-4 66 4.010 3.276
10 16 23 39.53 -40 41 04.33 4.06 (6 ± 2) x 10-4 82 3.367 3.161
11 16 24 35.97 -40 49 52.77 4.61 (5 ± 2) x 10-4 31 3.013 3.159
12 16 23 40.46 -40 37 21.75 4.15 (5 ± 2) x 10-4 65 3.050 3.120

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 16 23 02.08 -40 36 52.73 4.42 (3.9 ± 1.4) x 10-4 35 2.739 2.859
2 16 24 42.89 -40 37 56.37 4.20 (5 ± 2) x 10-4 42 2.945 2.843
3 16 23 11.25 -40 36 28.99 4.18 (4 ± 2) x 10-4 39 2.767 2.742
4 16 24 13.11 -40 49 36.62 4.10 (5 ± 2) x 10-4 75 3.721 2.731
5 16 24 38.18 -40 35 58.32 4.19 (4 ± 2) x 10-4 46 2.699 2.677
6 16 24 37.03 -40 46 28.42 4.15 (4 ± 2) x 10-4 54 2.688 2.593
7 16 23 25.02 -40 36 45.17 4.05 (4 ± 2) x 10-4 60 3.514 2.592
8 16 23 12.88 -40 42 59.19 4.06 (4 ± 2) x 10-4 74 3.007 2.410
9 16 24 32.93 -40 41 36.21 4.16 (4 ± 2) x 10-4 55 3.062 2.284
10 16 23 15.81 -40 35 14.43 4.12 (3.1 ± 1.4) x 10-4 43 2.745 2.224
11 16 23 15.24 -40 41 38.20 4.07 (3.2 ± 1.4) x 10-4 61 3.007 2.205
12 16 23 15.61 -40 41 39.49 4.06 (3 ± 2) x 10-4 62 3.007 2.199
13 16 23 13.21 -40 43 00.12 4.04 (3 ± 2) x 10-4 69 3.007 2.188
14 16 23 45.34 -40 31 35.57 4.14 (3.1 ± 1.4) x 10-4 40 2.707 2.139

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 1FGL J1624.0-4041 Swift-XRT image with known radio, optical and UV sources for 1FGL J1624.0-4041

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 3XMM J162408.9-404136 16 24 09.00 -40 41 36.24 0.99 XMM-NEWTON
3XMM J162411.1-404123 16 24 11.11 -40 41 24.00 1.37 XMM-NEWTON
2 3XMM J162409.5-404239 16 24 09.53 -40 42 39.60 1.67 XMM-NEWTON
3 3XMM J162355.2-404037 16 23 55.22 -40 40 37.92 1.81 XMM-NEWTON
4 3XMM J162412.9-404207 16 24 12.96 -40 42 07.56 1.87 XMM-NEWTON
5 3XMM J162356.4-403949 16 23 56.45 -40 39 49.68 2.10 XMM-NEWTON
6 3XMM J162352.2-404126 16 23 52.30 -40 41 26.16 2.20 XMM-NEWTON
7 3XMM J162358.5-403857 16 23 58.54 -40 38 57.48 2.63 XMM-NEWTON
8 3XMM J162418.3-404150 16 24 18.38 -40 41 50.28 2.78 XMM-NEWTON
9 3XMM J162414.3-403924 16 24 14.30 -40 39 24.48 2.79 XMM-NEWTON
10 3XMM J162416.6-404320 16 24 16.68 -40 43 20.64 3.12 XMM-NEWTON
3XMM J162420.4-404145 16 24 20.47 -40 41 45.60 3.16 XMM-NEWTON
11 3XMM J162409.9-404423 16 24 09.91 -40 44 24.00 3.23 XMM-NEWTON
12 3XMM J162416.9-403917 16 24 16.94 -40 39 17.64 3.23 XMM-NEWTON
13 3XMM J162407.5-404438 16 24 07.56 -40 44 38.04 3.33 XMM-NEWTON
14 3XMM J162344.9-404026 16 23 45.00 -40 40 27.12 3.71 XMM-NEWTON
15 3XMM J162344.8-404248 16 23 44.86 -40 42 48.24 3.88 XMM-NEWTON
16 3XMM J162403.3-404523 16 24 03.36 -40 45 23.40 4.01 XMM-NEWTON
17 3XMM J162411.3-404515 16 24 11.40 -40 45 15.84 4.13 XMM-NEWTON
18 3XMM J162408.4-403717 16 24 08.42 -40 37 17.76 4.18 XMM-NEWTON
19 3XMM J162352.5-403747 16 23 52.54 -40 37 46.92 4.19 XMM-NEWTON
20 3XMM J162425.2-404012 16 24 25.25 -40 40 12.36 4.21 XMM-NEWTON
21 3XMM J162352.7-404511 16 23 52.73 -40 45 11.16 4.36 XMM-NEWTON
3XMM J162402.0-404544 16 24 02.59 -40 45 45.00 4.38 XMM-NEWTON
22 3XMM J162411.8-403712 16 24 11.88 -40 37 12.72 4.44 XMM-NEWTON
23 3XMM J162345.2-404407 16 23 45.19 -40 44 07.44 4.48 XMM-NEWTON
3XMM J162414.1-403719 16 24 14.11 -40 37 18.84 4.50 XMM-NEWTON
24 3XMM J162348.5-404450 16 23 48.60 -40 44 50.28 4.51 XMM-NEWTON
25 3XMM J162339.8-404118 16 23 39.79 -40 41 17.88 4.57 XMM-NEWTON
26 3XMM J162347.9-403747 16 23 47.95 -40 37 48.00 4.69 XMM-NEWTON
27 3XMM J162426.6-403927 16 24 26.62 -40 39 27.72 4.71 XMM-NEWTON
28 3XMM J162338.9-404208 16 23 38.98 -40 42 08.64 4.79 XMM-NEWTON
29 3XMM J162342.7-403836 16 23 42.79 -40 38 36.96 4.87 XMM-NEWTON
30 3XMM J162345.6-404506 16 23 45.67 -40 45 06.48 5.08 XMM-NEWTON
31 3XMM J162358.0-404625 16 23 58.80 -40 46 25.32 5.16 XMM-NEWTON
32 3XMM J162432.6-404130 16 24 32.64 -40 41 30.84 5.45 XMM-NEWTON
33 3XMM J162333.8-404118 16 23 33.82 -40 41 18.96 5.71 XMM-NEWTON
34 3XMM J162434.2-404159 16 24 34.22 -40 41 59.28 5.78 XMM-NEWTON
35 3XMM J162418.1-403616 16 24 18.17 -40 36 16.20 5.78 XMM-NEWTON
36 3XMM J162432.5-404333 16 24 32.57 -40 43 33.96 5.85 XMM-NEWTON
37 3XMM J162425.4-404540 16 24 25.42 -40 45 40.32 5.91 XMM-NEWTON
38 3XMM J162428.5-404501 16 24 28.56 -40 45 01.44 5.92 XMM-NEWTON
39 3XMM J162404.6-404719 16 24 04.66 -40 47 19.68 5.95 XMM-NEWTON
40 3XMM J162433.9-404307 16 24 33.94 -40 43 07.32 5.95 XMM-NEWTON
41 3XMM J162434.8-404001 16 24 34.87 -40 40 01.20 6.03 XMM-NEWTON
42 3XMM J162340.3-403718 16 23 40.32 -40 37 18.84 6.05 XMM-NEWTON
43 3XMM J162412.9-403529 16 24 13.01 -40 35 29.04 6.14 XMM-NEWTON
44 3XMM J162355.2-403525 16 23 55.27 -40 35 25.44 6.18 XMM-NEWTON
45 3XMM J162434.9-403926 16 24 34.92 -40 39 26.28 6.19 XMM-NEWTON
46 3XMM J162414.8-404714 16 24 14.86 -40 47 14.28 6.21 XMM-NEWTON
47 3XMM J162338.1-404532 16 23 38.16 -40 45 32.40 6.41 XMM-NEWTON
3XMM J162437.3-403932 16 24 37.30 -40 39 32.76 6.59 XMM-NEWTON
48 3XMM J162438.7-404046 16 24 38.81 -40 40 46.20 6.64 XMM-NEWTON
49 3XMM J162331.4-404354 16 23 31.46 -40 43 54.84 6.65 XMM-NEWTON
50 3XMM J162421.9-403533 16 24 21.94 -40 35 34.08 6.75 XMM-NEWTON
51 3XMM J162439.1-404011 16 24 39.14 -40 40 11.64 6.79 XMM-NEWTON
52 3XMM J162412.4-404758 16 24 12.50 -40 47 58.56 6.79 XMM-NEWTON
53 3XMM J162337.9-403615 16 23 37.92 -40 36 15.12 7.11 XMM-NEWTON
54 3XMM J162407.4-403400 16 24 07.46 -40 34 00.48 7.41 XMM-NEWTON
55 3XMM J162440.2-404448 16 24 40.22 -40 44 48.84 7.69 XMM-NEWTON
56 3XMM J162410.1-404900 16 24 10.15 -40 49 00.48 7.72 XMM-NEWTON
57 3XMM J162327.8-403720 16 23 27.86 -40 37 20.64 7.94 XMM-NEWTON
58 3XMM J162436.0-404629 16 24 36.10 -40 46 29.64 7.95 XMM-NEWTON
59 3XMM J162439.7-403713 16 24 39.74 -40 37 13.44 7.97 XMM-NEWTON
60 3XMM J162442.5-403802 16 24 42.58 -40 38 02.04 8.06 XMM-NEWTON
61 3XMM J162322.2-404257 16 23 22.20 -40 42 57.24 8.06 XMM-NEWTON
62 3XMM J162428.9-404756 16 24 28.92 -40 47 56.76 8.10 XMM-NEWTON
63 3XMM J162408.8-403315 16 24 08.88 -40 33 15.84 8.17 XMM-NEWTON
64 3XMM J162414.3-404929 16 24 14.35 -40 49 29.28 8.35 XMM-NEWTON
3XMM J162412.3-404937 16 24 12.31 -40 49 37.56 8.40 XMM-NEWTON
65 3XMM J162429.5-403416 16 24 29.54 -40 34 17.04 8.61 XMM-NEWTON
66 3XMM J162449.3-404049 16 24 49.39 -40 40 49.44 8.64 XMM-NEWTON
67 3XMM J162342.0-404907 16 23 42.91 -40 49 06.96 8.77 XMM-NEWTON
68 3XMM J162450.1-404218 16 24 50.16 -40 42 18.72 8.81 XMM-NEWTON
69 3XMM J162324.5-403638 16 23 24.50 -40 36 38.16 8.85 XMM-NEWTON
70 3XMM J162318.2-403931 16 23 18.22 -40 39 31.68 8.86 XMM-NEWTON
71 3XMM J162441.1-404647 16 24 41.09 -40 46 47.64 8.89 XMM-NEWTON
72 3XMM J162328.7-403514 16 23 28.75 -40 35 15.00 9.06 XMM-NEWTON
73 3XMM J162433.6-404842 16 24 33.67 -40 48 42.84 9.25 XMM-NEWTON
74 3XMM J162436.7-403415 16 24 36.72 -40 34 15.60 9.46 XMM-NEWTON
75 3XMM J162326.2-404739 16 23 26.28 -40 47 39.84 9.50 XMM-NEWTON
76 3XMM J162322.5-404654 16 23 22.51 -40 46 54.48 9.59 XMM-NEWTON
77 3XMM J162449.9-404531 16 24 49.97 -40 45 31.32 9.66 XMM-NEWTON
78 3XMM J162451.3-404459 16 24 51.34 -40 44 59.64 9.68 XMM-NEWTON
79 3XMM J162451.4-403742 16 24 51.46 -40 37 41.88 9.74 XMM-NEWTON
80 3XMM J162416.0-405054 16 24 16.10 -40 50 54.24 9.79 XMM-NEWTON
81 3XMM J162454.5-403916 16 24 54.60 -40 39 16.92 9.84 XMM-NEWTON
82 3XMM J162312.7-404316 16 23 12.79 -40 43 15.96 9.87 XMM-NEWTON
83 3XMM J162449.1-404621 16 24 49.10 -40 46 21.36 9.90 XMM-NEWTON
3XMM J162454.8-403852 16 24 54.86 -40 38 52.80 9.98 XMM-NEWTON
3XMM J162310.7-404259 16 23 10.78 -40 42 59.76 10.20 XMM-NEWTON
84 3XMM J162315.0-403653 16 23 15.91 -40 36 53.28 10.29 XMM-NEWTON
85 3XMM J162452.2-403641 16 24 52.22 -40 36 41.76 10.29 XMM-NEWTON
86 3XMM J162449.4-404714 16 24 49.44 -40 47 14.28 10.43 XMM-NEWTON
87 3XMM J162336.5-403220 16 23 36.53 -40 32 20.04 10.43 XMM-NEWTON
88 3XMM J162435.6-404956 16 24 35.62 -40 49 56.28 10.46 XMM-NEWTON
89 3XMM J162435.7-403245 16 24 35.76 -40 32 45.24 10.53 XMM-NEWTON
90 3XMM J162454.0-404607 16 24 54.10 -40 46 07.68 10.63 XMM-NEWTON
91 3XMM J162500.0-404217 16 25 00.19 -40 42 16.92 10.67 XMM-NEWTON
92 3XMM J162430.2-403152 16 24 30.29 -40 31 52.68 10.74 XMM-NEWTON
93 3XMM J162459.6-403927 16 24 59.66 -40 39 28.08 10.74 XMM-NEWTON
94 3XMM J162407.1-403038 16 24 07.10 -40 30 38.88 10.75 XMM-NEWTON
95 3XMM J162438.6-403250 16 24 38.64 -40 32 50.28 10.79 XMM-NEWTON
3XMM J162334.6-403202 16 23 34.68 -40 32 02.40 10.86 XMM-NEWTON
96 3XMM J162457.0-404548 16 24 57.60 -40 45 48.60 11.00 XMM-NEWTON
97 3XMM J162316.7-403457 16 23 16.70 -40 34 57.00 11.03 XMM-NEWTON
98 3XMM J162501.1-403852 16 25 01.18 -40 38 52.44 11.14 XMM-NEWTON
99 3XMM J162413.7-403023 16 24 13.80 -40 30 23.04 11.16 XMM-NEWTON
100 3XMM J162310.3-403636 16 23 10.32 -40 36 36.36 11.23 XMM-NEWTON
101 3XMM J162343.7-403032 16 23 43.78 -40 30 32.76 11.49 XMM-NEWTON
102 3XMM J162400.1-402951 16 24 00.17 -40 29 51.72 11.54 XMM-NEWTON
3XMM J162503.5-403902 16 25 03.53 -40 39 02.16 11.55 XMM-NEWTON
103 3XMM J162333.3-403123 16 23 33.36 -40 31 23.52 11.55 XMM-NEWTON
104 3XMM J162449.8-403340 16 24 49.90 -40 33 40.32 11.64 XMM-NEWTON
105 3XMM J162501.1-404539 16 25 01.10 -40 45 39.24 11.65 XMM-NEWTON
106 3XMM J162408.2-402943 16 24 08.28 -40 29 43.44 11.69 XMM-NEWTON
107 3XMM J162505.6-404133 16 25 05.66 -40 41 34.08 11.71 XMM-NEWTON
108 3XMM J162505.7-403938 16 25 05.71 -40 39 38.16 11.84 XMM-NEWTON
109 3XMM J162325.6-405048 16 23 25.66 -40 50 48.48 11.89 XMM-NEWTON
110 3XMM J162500.3-403526 16 25 00.38 -40 35 26.88 12.25 XMM-NEWTON
111 1RXS J162506.5-403753 16 25 06.50 -40 37 53.40 12.37 ROSAT
112 3XMM J162504.6-403650 16 25 04.68 -40 36 50.76 12.39 XMM-NEWTON
113 3XMM J162435.0-402957 16 24 35.59 -40 29 57.84 12.86 XMM-NEWTON
114 3XMM J162438.5-405241 16 24 38.57 -40 52 41.88 13.08 XMM-NEWTON
115 3XMM J162506.4-404705 16 25 06.43 -40 47 05.64 13.15 XMM-NEWTON
116 3XMM J162436.3-402928 16 24 36.31 -40 29 28.68 13.40 XMM-NEWTON
117 3XMM J162505.6-403449 16 25 05.69 -40 34 49.08 13.43 XMM-NEWTON
118 3XMM J162506.3-404749 16 25 06.36 -40 47 49.20 13.47 XMM-NEWTON
119 3XMM J162310.8-403203 16 23 10.80 -40 32 03.12 13.73 XMM-NEWTON
120 3XMM J162502.4-403245 16 25 02.50 -40 32 45.24 14.07 XMM-NEWTON
121 3XMM J162449.4-403007 16 24 49.46 -40 30 07.92 14.19 XMM-NEWTON
122 3XMM J162451.7-403024 16 24 51.79 -40 30 24.84 14.24 XMM-NEWTON
123 3XMM J162504.1-405055 16 25 04.18 -40 50 56.04 14.88 XMM-NEWTON
124 3XMM J162502.3-405148 16 25 02.30 -40 51 48.60 15.20 XMM-NEWTON

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 [SPT2015] ATCA J1624-4042 16 24 02.81 -40 42 01.08 0.67 FER2FUSRID
2 PSR J1624-4041 16 24 09.89 -40 41 30.12 1.15 ATNFPULSAR
3 MGPS J162403-404419 16 24 04.01 -40 44 18.96 2.93 MGPS2
[SPT2015] ATCA J1624-4044 16 24 03.79 -40 44 20.04 2.96 FER2FUSRID
4 MGPS J162456-404541 16 24 56.30 -40 45 42.12 10.83 MGPS2
TGSSADR J162456.3-404547 16 24 56.30 -40 45 47.16 10.87 GMRTAS150M
5 MGPS J162310-403637 16 23 10.51 -40 36 38.16 11.19 MGPS2
TGSSADR J162310.2-403639 16 23 10.20 -40 36 39.96 11.22 GMRTAS150M
6 MGPS J162434-405131 16 24 34.10 -40 51 30.96 11.64 MGPS2
7 MGPS J162452-404945 16 24 52.70 -40 49 45.84 12.48 MGPS2
8 MGPS J162432-405251 16 24 32.69 -40 52 50.88 12.70 MGPS2

Penn State University Goddard Space Flight Center Swift