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 J2101.8+5044

Field

Detected Excesses
Swift-XRT image of the field for 4FGL J2101.8+5044 Swift-XRT detections in the field for 4FGL J2101.8+5044


No detected excesses found.

X-Ray and Gamma Ray Catalogs

More Catalogs
Swift-XRT image with known X-ray and gamma ray sources for 4FGL J2101.8+5044 Swift-XRT image with known radio, optical and UV sources for 4FGL J2101.8+5044

Known X-Ray and Gamma Ray Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Observatory/Database Table
1 1RXS J210113.7+503805 21 01 13.70 +50 38 05.64 8.82 ROSAT
2 2RXS J210039.0+503923 21 00 39.07 +50 39 24.12 12.60 ROSAT
1RXS J210038.9+503925 21 00 38.90 +50 39 25.56 12.61 ROSAT

Known Radio, Optical and UV Sources

# Source Name R.A. (J2000) Dec. (J2000) Offset (') Database Table
1 V2568 Cyg 21 01 48.82 +50 47 09.96 2.66 GCVS
2 CGPS J210119+504421 21 01 19.30 +50 44 21.12 5.12 CGPSNGPCAT
3 GB6 J2101+5049 21 01 35.59 +50 49 14.88 5.35 GB6
CGPS J210227+504533 21 02 27.91 +50 45 33.12 5.82 CGPSNGPCAT
CGPS J210128+504909 21 01 28.99 +50 49 09.84 5.85 CGPSNGPCAT
4 NVSS J210128+504912 21 01 28.80 +50 49 12.00 5.90 NVSS
5 NVSS J210228+504544 21 02 28.30 +50 45 45.00 5.92 NVSS
WN 2059.8+5037 21 01 28.10 +50 49 12.00 5.96 WENSS
6 PGCC G90.56+2.87 21 01 17.21 +50 40 27.84 6.81 PLANCKGCC
CGPS J210238+504249 21 02 38.90 +50 42 48.96 7.67 CGPSNGPCAT
7 NVSS J210239+504254 21 02 39.10 +50 42 54.00 7.68 NVSS
8 NVSS J210130+505129 21 01 30.41 +50 51 29.16 7.72 NVSS
9 PPM 39082 21 02 18.67 +50 52 03.72 8.64 PPM
SAO 33077 21 02 18.65 +50 52 04.08 8.64 SAO
BD+50 3250 21 02 18.72 +50 52 04.08 8.65 ACRS
10 AMIGPS J210131+505247 21 01 31.49 +50 52 48.00 8.85 AMIGPS16GH
11 CGPS J210232+505111 21 02 32.71 +50 51 11.16 9.28 CGPSNGPCAT
12 LDN 991 21 02 18.22 +50 52 53.40 9.34 LDN
13 WDS J21028+5041 21 02 48.00 +50 40 59.88 9.59 WDS
14 NVSS J210109+503706 21 01 09.60 +50 37 05.88 9.99 NVSS
CGPS J210109+503649 21 01 09.41 +50 36 50.04 10.22 CGPSNGPCAT
15 SAO 33068 21 01 10.63 +50 52 56.64 10.61 SAO
PPM 39075 21 01 10.54 +50 52 56.28 10.62 PPM
BD+50 3246 21 01 10.42 +50 52 56.64 10.64 ACRS
16 LDN 987 21 00 48.24 +50 40 48.72 10.72 LDN
17 PGCC G90.85+2.90 21 02 20.71 +50 54 50.04 11.26 PLANCKGCC
WN 2059.0+5036 21 00 39.91 +50 48 39.96 12.07 WENSS
18 NVSS J210039+504844 21 00 39.91 +50 48 43.92 12.10 NVSS
CGPS J210039+504846 21 00 39.91 +50 48 47.16 12.11 CGPSNGPCAT
19 NVSS J210258+505407 21 02 58.10 +50 54 06.84 14.20 NVSS
CGPS J210258+505407 21 02 58.39 +50 54 06.84 14.23 CGPSNGPCAT

Penn State University Goddard Space Flight Center Swift