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 J1802.4-3041

Field

Detected Excesses

Swift-XRT image of the field for 4FGL J1802.4-3041 Swift-XRT detections in the field for 4FGL J1802.4-3041

Detected Excesses (SNR(Sosta) > 3.0)

# R.A. (J2000) Dec. (J2000) Pos. Error (") Rate (cts/s) Counts SNR (Detect) SNR (Sosta)
1 18 02 23.44 -30 33 53.54 4.07 (3.0 ± 0.5) x 10-2 74 6.668 5.642
2 18 02 37.30 -30 30 04.74 4.18 (2.7 ± 0.5) x 10-2 65 6.019 5.454
3 18 02 02.15 -30 31 18.23 4.20 (2.8 ± 0.5) x 10-2 65 5.815 5.431
4 18 02 35.82 -30 34 33.40 4.06 (2.6 ± 0.5) x 10-2 84 6.446 5.130
5 18 02 10.80 -30 35 22.29 4.20 (2.5 ± 0.5) x 10-2 69 6.301 5.116
6 18 02 31.89 -30 34 24.14 4.06 (2.4 ± 0.5) x 10-2 78 5.770 4.926
7 18 02 53.70 -30 34 33.02 4.11 (2.8 ± 0.6) x 10-2 80 5.629 4.925
8 18 02 40.76 -30 34 38.16 4.04 (2.7 ± 0.6) x 10-2 75 6.618 4.872
9 18 02 12.81 -30 32 53.69 4.04 (2.3 ± 0.5) x 10-2 78 6.387 4.662
10 18 02 32.55 -30 29 56.46 4.22 (2.0 ± 0.4) x 10-2 56 5.054 4.583
11 18 02 36.43 -30 32 42.99 4.00 (2.3 ± 0.5) x 10-2 94 6.181 4.430
12 18 02 16.46 -30 33 19.95 4.03 (2.1 ± 0.5) x 10-2 69 5.874 4.407
13 18 02 11.40 -30 30 42.59 4.03 (2.5 ± 0.6) x 10-2 82 6.179 4.365
14 18 02 45.68 -30 34 41.70 4.13 (2.0 ± 0.5) x 10-2 75 5.949 4.292
15 18 02 04.91 -30 31 46.54 4.02 (2.0 ± 0.5) x 10-2 65 5.905 4.215
16 18 02 21.18 -30 36 18.45 4.35 (1.8 ± 0.4) x 10-2 53 4.327 4.189
17 18 02 30.07 -30 36 51.91 4.27 (1.9 ± 0.5) x 10-2 62 4.597 4.065
18 18 02 27.87 -30 32 23.96 4.03 (1.8 ± 0.4) x 10-2 90 6.416 4.007
19 18 02 07.37 -30 32 09.72 4.05 (2.0 ± 0.5) x 10-2 72 6.070 4.005
20 18 02 15.22 -30 35 50.75 4.19 (1.6 ± 0.4) x 10-2 58 4.677 3.954
21 18 02 24.98 -30 36 31.36 4.29 (1.6 ± 0.4) x 10-2 61 4.276 3.739
22 18 02 52.17 -30 37 01.53 4.22 (1.5 ± 0.4) x 10-2 65 5.065 3.716
23 18 02 15.37 -30 31 16.48 3.96 (1.8 ± 0.5) x 10-2 79 6.296 3.587
24 18 03 00.90 -30 39 06.15 4.59 (1.1 ± 0.3) x 10-2 40 3.815 3.331
25 18 03 06.59 -30 38 45.84 4.57 (1.1 ± 0.3) x 10-2 41 3.500 3.295
26 18 02 42.42 -30 30 21.43 4.44 (1.3 ± 0.4) x 10-2 42 3.570 3.283
27 18 02 02.72 -30 34 19.40 4.15 (1.3 ± 0.4) x 10-2 64 4.690 3.248
28 18 03 10.63 -30 35 48.10 4.30 (1.1 ± 0.3) x 10-2 51 4.245 3.243
29 18 02 57.91 -30 36 49.70 4.29 (1.3 ± 0.4) x 10-2 55 3.970 3.239
30 18 02 45.90 -30 32 54.58 3.96 (1.4 ± 0.4) x 10-2 94 6.384 3.227
31 18 02 38.55 -30 37 07.22 4.67 (1.1 ± 0.3) x 10-2 37 3.022 3.204
32 18 02 22.07 -30 31 57.24 4.00 (1.5 ± 0.5) x 10-2 92 5.874 3.155
33 18 02 55.36 -30 32 25.56 4.09 (1.3 ± 0.4) x 10-2 67 4.380 3.119
34 18 01 53.70 -30 32 40.43 4.43 (10 ± 3) x 10-3 44 3.663 3.107
35 18 02 48.06 -30 39 31.47 4.66 (10 ± 3) x 10-3 47 2.938 3.095

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 18 02 18.23 -30 33 30.05 4.11 (2.3 ± 0.5) x 10-2 75 5.971 4.393
2 18 02 31.88 -30 34 24.09 4.06 (1.8 ± 0.4) x 10-2 78 5.330 4.229
3 18 02 55.34 -30 34 29.00 4.09 (1.9 ± 0.4) x 10-2 76 6.366 4.227
4 18 02 45.68 -30 34 41.70 4.13 (1.7 ± 0.4) x 10-2 75 4.953 3.909
5 18 02 29.29 -30 34 17.04 4.10 (1.6 ± 0.4) x 10-2 70 4.464 3.651
6 18 02 31.83 -30 36 55.93 4.35 (1.6 ± 0.4) x 10-2 60 3.646 3.643
7 18 02 32.55 -30 29 56.46 4.22 (1.4 ± 0.4) x 10-2 56 3.833 3.437
8 18 02 10.80 -30 35 22.29 4.20 (1.3 ± 0.4) x 10-2 70 3.976 3.357
9 18 02 50.52 -30 37 05.91 4.21 (1.0 ± 0.3) x 10-2 68 3.022 3.075
10 18 02 34.86 -30 32 42.01 4.00 (1.2 ± 0.4) x 10-2 92 5.539 2.994
11 18 02 37.30 -30 30 04.74 4.18 (1.3 ± 0.5) x 10-2 65 5.148 2.927
12 18 02 00.83 -30 36 52.67 4.63 (9 ± 3) x 10-3 31 2.957 2.900
13 18 02 02.72 -30 34 19.40 4.15 (1.1 ± 0.4) x 10-2 64 4.425 2.900
14 18 02 58.05 -30 36 48.12 4.31 (10 ± 3) x 10-3 52 3.204 2.862
15 18 02 50.52 -30 37 05.91 4.21 (9 ± 3) x 10-3 69 2.867 2.811
16 18 02 06.56 -30 34 53.85 4.17 (1.2 ± 0.4) x 10-2 58 4.888 2.771
17 18 02 36.86 -30 32 44.14 3.99 (1.1 ± 0.4) x 10-2 93 5.804 2.744
18 18 02 55.39 -30 32 25.50 4.09 (10 ± 4) x 10-3 65 3.402 2.724
19 18 02 59.73 -30 39 09.90 4.61 (8 ± 3) x 10-3 42 2.610 2.697
20 18 03 04.04 -30 36 29.32 4.25 (9 ± 4) x 10-3 53 3.610 2.635
21 18 03 09.27 -30 35 56.06 4.20 (1.0 ± 0.4) x 10-2 48 4.580 2.630
22 18 02 22.72 -30 32 00.20 3.98 (10 ± 4) x 10-3 97 6.660 2.559
23 18 03 04.04 -30 36 29.32 4.25 (9 ± 4) x 10-3 53 3.756 2.550
24 18 02 50.80 -30 32 44.82 3.99 (10 ± 4) x 10-3 77 5.312 2.529
25 18 02 22.72 -30 32 00.20 3.98 (9 ± 4) x 10-3 97 4.368 2.515
26 18 02 58.19 -30 32 47.01 4.26 (8 ± 3) x 10-3 40 3.115 2.489
27 18 02 01.39 -30 34 05.84 4.16 (8 ± 3) x 10-3 62 4.495 2.440
28 18 02 40.42 -30 32 48.66 3.98 (9 ± 4) x 10-3 90 5.376 2.384
29 18 03 02.87 -30 34 02.99 4.12 (8 ± 4) x 10-3 62 4.869 2.289
30 18 03 06.67 -30 38 45.97 4.57 (6 ± 3) x 10-3 42 2.859 2.278
31 18 03 11.56 -30 38 20.73 4.86 (6 ± 3) x 10-3 25 2.589 2.230
32 18 02 53.07 -30 32 37.90 4.03 (8 ± 4) x 10-3 75 3.532 2.181
33 18 02 56.08 -30 39 21.85 4.67 (6 ± 3) x 10-3 37 2.843 2.179
34 18 03 02.87 -30 34 02.99 4.12 (7 ± 3) x 10-3 62 3.193 2.172
35 18 01 55.45 -30 36 07.70 4.51 (6 ± 3) x 10-3 40 3.251 2.151
36 18 03 06.66 -30 38 45.85 4.57 (5 ± 3) x 10-3 41 3.097 2.072
37 18 02 37.23 -30 32 44.34 3.98 (7 ± 4) x 10-3 94 3.884 2.015
38 18 02 52.32 -30 32 39.52 4.05 (6 ± 3) x 10-3 73 3.905 1.997
39 18 01 58.50 -30 33 46.30 4.22 (5 ± 3) x 10-3 43 2.879 1.792
40 18 03 01.78 -30 34 09.60 4.12 (5 ± 3) x 10-3 65 3.648 1.502

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 4FGL J1802.4-3041 Swift-XRT image with known radio, optical and UV sources for 4FGL J1802.4-3041

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J180154.0-304706 18 01 54.00 -30 47 06.36 8.86 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
MGPS J180225-304305 18 02 25.80 -30 43 05.16 1.20 MGPS2
1 NVSS J180226-304310 18 02 26.21 -30 43 09.84 1.26 NVSS
TGSSADR J180224.5-304305 18 02 24.60 -30 43 05.88 1.31 GMRTAS150M
MGPS J180247-303932 18 02 47.81 -30 39 33.12 4.99 MGPS2
2 NVSS J180247-303929 18 02 48.00 -30 39 29.88 5.04 NVSS
TGSSADR J180248.3-303927 18 02 48.31 -30 39 27.00 5.12 GMRTAS150M
3 SAO 209636 18 02 57.00 -30 43 31.08 6.53 SAO
CD-3015140 18 02 57.17 -30 43 34.32 6.57 ACRS
PPM 297171 18 02 57.24 -30 43 34.68 6.59 PPM
4 NVSS J180243-303534 18 02 43.51 -30 35 35.16 7.24 NVSS
TGSSADR J180243.4-303533 18 02 43.51 -30 35 33.00 7.26 GMRTAS150M
TGSSADR J180219.6-304921 18 02 19.70 -30 49 21.00 7.59 GMRTAS150M
5 NVSS J180219-304922 18 02 19.70 -30 49 23.16 7.61 NVSS
MGPS J180219-304925 18 02 19.51 -30 49 26.04 7.67 MGPS2
6 HD 317027 18 02 42.79 -30 34 42.24 7.96 HDEC
7 HD 318789 18 03 01.13 -30 38 26.88 8.03 HDEC
8 SAO 209632 18 02 39.70 -30 49 59.88 8.46 SAO
CD-3015133 18 02 40.08 -30 50 00.60 8.49 ACRS
PPM 297166 18 02 40.06 -30 50 00.60 8.50 PPM
HD 318788 18 02 40.08 -30 50 00.60 8.50 HDEC
9 QORG J180154.0-304710 18 01 54.00 -30 47 09.96 8.89 QORGCAT
10 NVSS J180145-304231 18 01 45.19 -30 42 30.96 9.12 NVSS
TGSSADR J180309.6-304329 18 03 09.60 -30 43 30.00 9.18 GMRTAS150M
11 NVSS J180309-304328 18 03 10.01 -30 43 28.92 9.25 NVSS
12 PPM 297173 18 03 05.98 -30 46 58.44 9.67 PPM
CD-3015147 18 03 05.98 -30 46 58.80 9.67 ACRS
SAO 209641 18 03 05.98 -30 47 00.60 9.69 SAO
13 NVSS J180244-303202 18 02 44.90 -30 32 02.04 10.60 NVSS
14 NVSS J180317-304311 18 03 17.11 -30 43 10.92 10.72 NVSS
15 NVSS J180137-303930 18 01 37.20 -30 39 30.96 11.10 NVSS
TGSSADR J180137.0-303931 18 01 37.10 -30 39 32.04 11.12 GMRTAS150M
MGPS J180136-303930 18 01 37.01 -30 39 29.88 11.15 MGPS2
16 HD 317028 18 02 55.58 -30 31 10.20 12.36 HDEC
17 HD 318790 18 03 17.64 -30 35 44.52 12.44 HDEC
18 NVSS J180205-303009 18 02 05.11 -30 30 09.00 12.75 NVSS
19 HD 318786 18 01 35.18 -30 48 42.84 13.12 HIC
HIP 88276 18 01 35.16 -30 48 43.20 13.13 HIPPARCOS
HD 318786 18 01 35.16 -30 48 43.56 13.13 HDEC
MGPS J180322-305038 18 03 22.90 -30 50 38.04 14.73 MGPS2
TGSSADR J180323.0-305045 18 03 22.99 -30 50 44.88 14.82 GMRTAS150M
20 NVSS J180323-305044 18 03 23.11 -30 50 44.88 14.83 NVSS

Penn State University Goddard Space Flight Center Swift