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.

4FGL J2121.8-3412

Field

Detected Excesses

Swift-XRT detections in the field for 4FGL J2121.8-3412

Detected Excesses (SNR(Sosta) > 3.0)

#	R.A. (J2000)	Dec. (J2000)	Pos. Error (")	Rate (cts/s)	Counts	SNR (Detect)	SNR (Sosta)
1	21 22 00.56	-34 18 34.93	5.35	(7 ± 2) x 10^-3	30	5.121	4.980
2	21 22 11.51	-34 02 17.37	5.96	(5.2 ± 1.3) x 10^-3	21	4.097	3.874

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	21 21 06.83	-34 10 29.09	5.82	(3.0 ± 1.0) x 10^-3	18	3.555	2.951
2	21 21 21.29	-34 15 52.02	6.78	(2.2 ± 0.9) x 10^-3	10	2.689	2.511
3	21 22 35.15	-34 17 26.57	6.93	(1.9 ± 0.8) x 10^-3	11	2.303	2.329

X-Ray and Gamma Ray Catalogs

More Catalogs

Swift-XRT image with known X-ray and gamma ray sources for 4FGL J2121.8-3412

No known X-ray or gamma ray sources found.

Known Radio, Optical and UV Sources

#	Source Name	R.A. (J2000)	Dec. (J2000)	Offset (')	Database Table
1	NVSS J212215-341345	21 22 15.60	-34 13 45.84	4.76	NVSS
2	PGC 664800	21 22 17.21	-34 15 56.16	6.11	PGC2003
	SUMSS J212200-341842	21 22 00.60	-34 18 42.12	6.65	SUMSS
3	NVSS J212200-341842	21 22 00.91	-34 18 42.12	6.67	NVSS
4	CD-3415004	21 21 56.52	-34 04 54.48	7.31	ACRS
	PPM 301317	21 21 56.52	-34 04 54.48	7.31	PPM
	SAO 212946	21 21 56.50	-34 04 54.12	7.32	SAO
	GLEAM J212121-341548	21 21 21.60	-34 15 47.88	7.57	GLEAMEGCAT
5	NVSS J212121-341553	21 21 21.60	-34 15 52.92	7.61	NVSS
	TGSSADR J212121.6-341554	21 21 21.60	-34 15 55.08	7.62	GMRTAS150M
	SUMSS J212121-341552	21 21 21.41	-34 15 52.92	7.64	SUMSS
6	PPM 752066	21 22 19.34	-34 05 41.28	8.38	PPM
7	PGC 667897	21 21 56.59	-34 02 56.04	9.28	PGC2003
8	PGC 664119	21 22 27.00	-34 18 46.08	9.50	PGC2003
9	PGC 667947	21 22 15.29	-34 02 44.16	10.46	PGC2003
	PGC 663022	21 21 40.61	-34 23 17.88	11.43	PGC2003
10	NVSS J212141-342321	21 21 41.50	-34 23 21.84	11.45	NVSS
11	NVSS J212221-340215	21 22 21.31	-34 02 15.00	11.46	NVSS
	GLEAM J212221-340210	21 22 21.70	-34 02 11.04	11.56	GLEAMEGCAT
	SUMSS J212221-340207	21 22 21.19	-34 02 08.16	11.56	SUMSS
12	NVSS J212108-341952	21 21 08.50	-34 19 51.96	12.10	NVSS
13	PGC 666670	21 22 50.40	-34 07 57.00	12.45	PGC2003
14	NVSS J212233-340226	21 22 34.01	-34 02 26.88	12.82	NVSS
	QORG J212233.8-340222	21 22 33.79	-34 02 21.84	12.85	QORGCAT
	QORG J212246.3-341945	21 22 46.30	-34 19 45.12	13.22	QORGCAT
15	PGC 668136	21 22 34.39	-34 01 53.04	13.30	PGC2003
16	NVSS J212246-341948	21 22 46.61	-34 19 49.08	13.31	NVSS
17	L 569-108	21 21 09.24	-34 22 13.44	13.61	NLTT
	SPASS J212059-340319	21 20 59.90	-34 03 19.08	14.26	SPASS2P3GH
18	NVSS J212058-340328	21 20 58.90	-34 03 29.16	14.32	NVSS
	SUMSS J212058-340331	21 20 58.70	-34 03 30.96	14.32	SUMSS
	GLEAM J212058-340327	21 20 58.99	-34 03 27.00	14.33	GLEAMEGCAT
	TGSSADR J212058.9-340327	21 20 58.90	-34 03 27.00	14.34	GMRTAS150M
19	PGC 667792	21 22 50.11	-34 03 20.88	14.63	PGC2003
20	PPM 301337	21 22 50.30	-34 00 54.00	16.26	PPM
	CD-3415015	21 22 50.35	-34 00 54.00	16.27	ACRS
	SAO 212955	21 22 50.40	-34 00 51.48	16.30	SAO