Catalog 2
Five years of FRBs.

Name: CHIME/FRB Catalog 2
Creator: CHIME/FRB Collaboration
Published: 2026-01-14

The second CHIME/FRB catalog: positions, exposure, dispersion, fluence and burst morphology for every catalogued burst, including repeating sources and their sub-bursts.

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Catalog data4,539 bursts · 5,045 rows

Click a column name to sort. Click a burst name to see its details and plots.

Burst name	Repeater	RA degrees	Dec degrees	S/N	DM pc cm⁻³	Boxcar width s	Fluence Jy ms	Fluence err. Jy ms
FRB 20210428B	—	321.274	75.893	15.2	670.3224	0.00983	2.53	0.85
FRB 20210429C	—	144.405	6.562	63.3	592.2654	0.00197	6.53	2.19
FRB 20210429B	—	355.620	78.800	59.7	390.4296	0.00393	11.82	2.74
FRB 20210429A	—	204.059	81.737	20.1	911.8957	0.00197	1.48	0.72
FRB 20210430I	—	137.682	15.719	16.8	598.4804	0.00197	1.00	0.41
FRB 20210430J	—	144.982	40.849	16.6	826.9011	0.00983	3.90	0.82
FRB 20210430G	FRB20200120E	149.052	68.782	25.5	87.7559	0.00197	1.31	0.59
FRB 20210430F	—	152.128	65.116	22.7	605.6890	0.00885	3.66	1.49
FRB 20210430E	—	226.517	47.071	17.9	3130.1916	0.00393	2.08	0.96
FRB 20210430D	—	227.919	15.089	37.5	755.0811	0.00688	3.50	1.37
FRB 20210430C	—	266.450	52.038	15.6	496.0119	0.00197	1.51	0.46
FRB 20210430H	—	25.320	-1.238	—	—	—	—	—
FRB 20210430B	—	47.780	42.635	20.6	1003.2329	0.00688	0.32	0.09
FRB 20210430A	—	89.003	41.541	18.3	408.5339	0.00197	1.51	0.37
FRB 20210501C	—	225.958	54.220	24.8	1197.7657	0.01573	2.92	1.01
FRB 20210501D	—	220.828	87.244	14.2	573.1299	0.02949	1.86	0.79
FRB 20210501B	—	18.294	65.716	28.7	383.4430	0.00393	4.80	0.73
FRB 20210501Asub 1	—	44.941	78.184	67.7	233.0772	0.00197	11.17	3.08
FRB 20210501Asub 2	—	44.941	78.184	67.7	233.0772	0.00197	11.17	3.08
FRB 20210502B	—	121.069	58.334	11.4	304.7210	0.00197	1.11	0.25
FRB 20210502A	—	303.647	57.017	16.1	1101.1204	0.00197	1.82	0.66
FRB 20210503A	—	302.629	61.358	11.1	388.2886	0.00295	1.06	0.43
FRB 20210504F	—	115.793	78.967	22.3	1258.0387	0.01180	5.09	1.07
FRB 20210504Esub 1	—	180.646	59.572	41.2	722.3938	0.00393	8.02	1.12
FRB 20210504Esub 2	—	180.646	59.572	41.2	722.3938	0.00393	8.02	1.12
FRB 20210504D	FRB20210504D	201.688	56.811	114.2	564.5456	0.00295	13.39	4.71
FRB 20210504C	—	238.095	78.505	28.4	719.4649	0.00983	2.88	0.73
FRB 20210504B	—	352.280	53.953	38.6	400.4560	0.00393	3.45	1.15
FRB 20210504A	FRB20201124A	77.241	26.192	14.5	412.6032	0.03146	4.82	1.18
FRB 20210505G	FRB20210323C	121.821	72.477	11.2	288.5469	0.00688	—	—
FRB 20210505F	—	148.289	79.457	13.1	411.2923	0.00197	1.55	0.47
FRB 20210505E	—	147.644	59.548	17.0	269.9034	0.00393	2.14	0.43
FRB 20210505D	—	158.604	12.407	15.5	550.0590	0.00885	2.34	0.32
FRB 20210505C	—	194.086	71.604	20.3	574.3401	0.00197	1.49	0.97
FRB 20210505B	—	75.509	36.690	142.7	1013.4344	0.00393	29.37	16.92
FRB 20210505A	—	79.630	59.037	37.4	1300.1879	0.00492	5.16	0.81
FRB 20210506D	—	271.007	44.663	38.9	565.7871	0.00197	3.19	1.06
FRB 20210506C	—	152.845	86.566	14.3	854.0981	0.00197	1.67	0.59
FRB 20210506E	—	347.865	84.718	9.9	670.3035	0.00295	2.38	0.87
FRB 20210506B	—	12.421	42.983	26.1	643.8100	0.00197	0.33	0.02
FRB 20210506A	—	89.413	45.048	16.4	437.3942	0.00393	1.63	0.65
FRB 20210507C	—	183.952	27.999	51.2	1122.5519	0.00197	4.57	1.10
FRB 20210507B	—	322.078	66.131	23.5	415.4893	0.00492	2.07	0.99
FRB 20210507A	—	66.358	37.161	13.6	525.7854	0.00590	2.31	1.34
FRB 20210508C	—	161.463	53.311	—	—	—	—	—
FRB 20210508B	—	344.319	25.234	12.4	453.8920	0.00688	3.01	1.02
FRB 20210508A	—	195.889	82.681	21.1	325.0891	0.00786	7.74	3.00
FRB 20210509A	—	129.130	19.935	27.5	452.4431	0.00295	3.57	1.07
FRB 20210510A	FRB20201124A	77.073	26.195	17.9	412.6136	0.01081	3.24	0.71
FRB 20210511A	FRB20190208C	133.843	83.222	195.1	238.3160	0.00098	25.21	9.26
FRB 20210512B	—	144.981	79.001	38.6	855.5563	0.00197	4.26	1.16
FRB 20210512C	—	184.510	60.748	7.2	229.2101	0.00590	1.19	0.38
FRB 20210512A	—	53.965	61.353	11.8	778.6347	0.00885	3.99	1.17
FRB 20210513Bsub 1	—	180.536	9.208	29.0	295.8950	0.00197	6.45	2.30
FRB 20210513Bsub 2	—	180.536	9.208	29.0	295.8950	0.00197	6.45	2.30
FRB 20210513C	—	192.601	-3.557	7.1	139.1338	0.00786	6.81	2.97
FRB 20210513A	—	10.607	87.145	17.6	323.9829	0.00197	1.67	0.62
FRB 20210514C	FRB20190303A	207.960	48.256	17.3	222.0453	0.00393	1.07	0.32
FRB 20210514B	—	352.828	34.700	12.0	606.1279	0.00197	0.51	0.53
FRB 20210514A	—	33.881	8.706	19.9	233.3249	0.00688	7.54	2.44
FRB 20210518D	—	184.560	72.965	15.0	309.9962	0.00197	0.84	0.55
FRB 20210518Bsub 1	FRB20210209C	203.533	49.042	35.1	382.6240	0.00492	3.97	1.34
FRB 20210518Bsub 2	FRB20210209C	203.533	49.042	35.1	382.6240	0.00492	3.97	1.34
FRB 20210518A	FRB20201124A	77.120	26.190	22.8	413.5378	0.05014	4.85	1.30
FRB 20210520A	FRB20190905A	24.801	89.491	20.4	235.6606	0.01966	6.72	2.74
FRB 20210521F	—	289.942	84.859	12.0	341.8437	0.00197	1.40	0.58
FRB 20210521E	—	296.669	11.745	11.2	282.9457	0.00197	1.60	0.34
FRB 20210521C	FRB20180916B	29.641	65.723	15.2	349.0783	0.00492	1.27	0.30
FRB 20210521B	—	59.324	58.995	22.6	1491.3873	0.00197	3.62	0.54
FRB 20210521G	—	66.564	71.524	10.3	385.5080	0.00197	0.90	0.43
FRB 20210521A	FRB20201124A	77.101	26.188	17.6	416.2587	0.02359	3.14	1.01
FRB 20210521D	—	116.056	49.370	14.5	1079.1605	0.00885	2.31	0.63
FRB 20210522C	—	121.590	39.256	10.2	1031.9029	0.00197	0.75	0.16
FRB 20210522B	FRB20201124A	77.102	26.187	24.6	414.0107	0.07471	6.29	0.70
FRB 20210522A	—	113.074	31.221	41.2	301.3679	0.00197	2.42	0.43
FRB 20210523G	—	131.093	19.805	10.4	866.5135	0.00197	0.64	0.39
FRB 20210523F	—	164.028	19.393	13.6	675.2977	0.00197	0.20	0.17
FRB 20210523D	—	174.966	43.844	29.5	234.4701	0.00197	1.41	0.64
FRB 20210523E	FRB20190303A	205.555	48.266	16.2	222.2683	0.00885	1.50	0.64
FRB 20210523Csub 1	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 2	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 3	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 4	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 5	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 6	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523Csub 7	—	238.369	74.184	61.9	531.9947	0.05898	—	—
FRB 20210523B	—	254.989	83.972	31.6	514.0810	0.00590	6.64	2.25
FRB 20210523A	FRB20180916B	29.359	65.721	28.7	348.9990	0.00786	3.74	0.84
FRB 20210524B	—	221.113	88.240	50.0	377.5562	0.00197	5.96	2.06
FRB 20210524A	—	292.141	21.001	17.7	927.7077	0.00197	3.09	1.20
FRB 20210524D	—	332.188	42.215	9.9	853.8298	0.00393	0.90	0.18
FRB 20210524C	—	66.764	20.125	—	—	—	—	—
FRB 20210525B	—	134.915	18.457	36.8	291.5258	0.00197	4.45	1.56
FRB 20210525A	FRB20201124A	77.076	26.192	22.9	415.9672	0.04522	3.80	0.81
FRB 20210525C	FRB20201124A	77.087	26.193	15.5	410.6817	0.04522	2.90	0.63
FRB 20210526B	FRB20210209C	203.297	49.039	26.0	382.3503	0.00590	3.98	1.27
FRB 20210526D	FRB20201124A	75.407	26.000	230.0	411.4993	0.04522	129.88	21.49
FRB 20210526E	FRB20201124A	77.081	26.195	19.0	415.0775	0.02654	—	—
FRB 20210526A	—	91.267	57.734	49.4	529.8596	0.00295	4.74	0.72
FRB 20210526C	—	105.928	21.088	27.6	489.9918	0.00590	2.97	0.20
FRB 20210527E	—	133.954	30.450	12.0	581.9648	0.00393	1.29	0.22
FRB 20210527C	—	182.272	70.442	19.6	1638.4693	0.00885	—	—
FRB 20210527B	—	359.812	29.427	19.0	355.8355	0.00983	5.45	0.83
FRB 20210527A	—	25.935	53.239	21.4	361.6638	0.01278	4.89	1.89
FRB 20210527D	FRB20201124A	75.989	26.186	18.3	416.5114	0.03047	4.25	0.89
FRB 20210528B	—	184.540	10.445	13.8	698.5422	0.00197	1.39	0.59
FRB 20210528A	—	43.226	12.687	17.0	646.1262	0.00393	1.28	0.30
FRB 20210529B	—	144.322	5.775	58.6	262.2359	0.00197	6.03	1.30
FRB 20210529A	—	247.938	4.438	81.3	662.8484	0.00393	12.08	6.32
FRB 20210530D	—	216.250	51.861	45.7	512.1359	0.05997	21.46	7.04
FRB 20210530E	—	226.876	66.708	15.7	991.6387	0.00295	2.06	1.44
FRB 20210530C	—	233.661	44.507	37.8	965.8346	0.00393	4.75	2.00
FRB 20210530B	—	273.936	27.039	45.0	685.8035	0.00295	4.20	0.93
FRB 20210531B	—	167.018	56.039	86.4	897.5565	0.00197	5.88	1.41
FRB 20210531C	—	202.651	-3.555	11.4	483.2810	0.00197	2.68	0.86
FRB 20210531A	—	223.633	31.431	27.0	278.1690	0.00098	1.76	0.36
FRB 20210531E	—	65.042	49.269	36.2	875.7842	0.00492	6.23	1.23
FRB 20210601Asub 1	FRB20210601A	196.605	65.929	20.8	418.8432	0.02261	—	—
FRB 20210601Asub 2	FRB20210601A	196.605	65.929	20.8	418.8432	0.02261	—	—
FRB 20210601C	FRB20210601A	193.355	65.855	55.3	419.5857	0.00983	8.86	2.51
FRB 20210601D	FRB20210601A	196.812	65.930	19.2	419.0427	0.00197	1.81	0.51
FRB 20210601E	FRB20210601A	196.924	65.929	17.4	418.5702	0.00590	2.19	0.55
FRB 20210601Fsub 1	FRB20210601A	197.952	65.939	36.2	418.9460	0.01573	6.46	2.47
FRB 20210601Fsub 2	FRB20210601A	197.952	65.939	36.2	418.9460	0.01573	6.46	2.47
FRB 20210601Fsub 3	FRB20210601A	197.952	65.939	36.2	418.9460	0.01573	6.46	2.47
FRB 20210601G	FRB20210601A	193.596	65.855	35.2	418.4234	0.01573	4.85	1.78
FRB 20210601Hsub 1	FRB20210601A	198.034	65.937	71.7	418.0075	0.01769	14.33	4.54
FRB 20210601Hsub 2	FRB20210601A	198.034	65.937	71.7	418.0075	0.01769	14.33	4.54
FRB 20210601I	FRB20210601A	197.629	65.867	69.5	417.4980	0.01671	9.61	1.97
FRB 20210601J	FRB20210601A	197.532	65.963	16.8	418.9839	0.01868	4.59	1.32
FRB 20210603D	—	354.874	62.482	48.8	502.2235	0.00197	3.54	1.07
FRB 20210603Asub 1	—	10.334	21.211	250.6	500.1921	0.00197	38.48	5.25
FRB 20210603Asub 2	—	10.334	21.211	250.6	500.1921	0.00197	38.48	5.25
FRB 20210603Asub 3	—	10.334	21.211	250.6	500.1921	0.00197	38.48	5.25
FRB 20210603Csub 1	—	15.674	11.855	36.2	382.2082	0.00688	8.56	1.73
FRB 20210603Csub 2	—	15.674	11.855	36.2	382.2082	0.00688	8.56	1.73
FRB 20210603E	FRB20181128A	76.330	63.382	13.8	447.9755	0.00688	2.65	0.75
FRB 20210603B	—	122.846	21.986	16.8	747.0792	0.03047	5.91	1.48
FRB 20210604B	—	164.883	47.487	12.5	641.2712	0.01769	3.01	0.88
FRB 20210604A	—	357.069	14.563	127.2	529.4742	0.00098	6.28	2.27
FRB 20210605B	—	344.139	35.907	21.0	1050.7520	0.00393	1.38	0.69
FRB 20210605C	—	19.753	82.596	11.3	407.7327	0.00492	2.60	0.94
FRB 20210606E	—	153.770	37.708	17.3	431.4034	0.00590	4.34	1.50
FRB 20210606Dsub 1	FRB20190303A	205.513	48.248	55.6	221.6305	0.02556	7.18	1.83
FRB 20210606Dsub 2	FRB20190303A	205.513	48.248	55.6	221.6305	0.02556	7.18	1.83
FRB 20210606Dsub 3	FRB20190303A	205.513	48.248	55.6	221.6305	0.02556	7.18	1.83
FRB 20210606Dsub 4	FRB20190303A	205.513	48.248	55.6	221.6305	0.02556	7.18	1.83
FRB 20210606C	—	238.694	55.596	27.0	734.8108	0.00197	2.92	1.06
FRB 20210606B	—	241.151	36.216	16.1	529.6825	0.01769	3.00	1.14
FRB 20210606A	—	276.026	45.037	16.4	827.5268	0.00295	1.35	0.59
FRB 20210607D	—	180.415	43.607	12.5	1164.9155	0.00197	0.34	0.10
FRB 20210607B	—	232.206	80.331	73.0	364.6801	0.00197	6.34	1.88
FRB 20210607C	—	247.588	52.470	10.5	450.2207	0.00197	1.00	0.32
FRB 20210607A	—	111.037	55.513	45.3	548.4657	0.00197	2.48	0.67
FRB 20210608B	FRB20181119A	190.062	65.141	42.7	364.3736	0.00590	6.21	1.70
FRB 20210608A	—	12.819	49.200	9.6	1228.6383	0.01475	2.44	0.75
FRB 20210609D	—	237.309	37.572	39.1	587.9360	0.00295	3.12	1.01
FRB 20210609E	—	245.701	60.284	13.7	894.0364	0.00197	1.46	0.41
FRB 20210609C	—	256.547	55.578	31.2	1953.8530	0.01180	2.81	0.68
FRB 20210609B	—	332.129	19.636	16.0	1002.9819	0.00197	2.60	1.02
FRB 20210609A	—	137.255	11.145	18.2	1440.0833	0.00492	2.13	0.88
FRB 20210610D	—	153.241	66.338	37.3	403.2999	0.00197	4.06	1.36
FRB 20210610C	—	186.595	22.639	54.0	876.2337	0.02753	17.19	4.12
FRB 20210610B	—	141.476	83.247	23.3	694.8744	0.00393	5.85	2.05
FRB 20210610A	FRB20190212A	277.129	81.395	17.9	302.9634	0.00786	3.72	1.72
FRB 20210612Bsub 1	FRB20190208A	283.524	46.963	19.4	579.9355	0.01573	3.86	1.15
FRB 20210612Bsub 2	FRB20190208A	283.524	46.963	19.4	579.9355	0.01573	3.86	1.15
FRB 20210612A	—	307.844	57.802	16.4	1080.5755	0.00197	2.04	0.82
FRB 20210612C	—	9.079	44.161	13.1	181.7785	0.00197	1.84	1.01
FRB 20210613A	—	336.968	51.662	49.0	478.0660	0.05898	22.60	6.93
FRB 20210614D	FRB20181119A	190.358	65.130	13.7	364.5504	0.01081	3.22	0.64
FRB 20210614Csub 1	—	242.660	50.076	42.6	328.2947	0.01671	9.04	2.98
FRB 20210614Csub 2	—	242.660	50.076	42.6	328.2947	0.01671	9.04	2.98
FRB 20210614B	—	42.886	51.172	32.6	837.8017	0.00295	5.63	1.47
FRB 20210614A	—	130.192	20.694	28.5	221.7023	0.00197	2.54	0.86
FRB 20210615A	—	48.297	74.465	11.3	399.9995	0.00295	2.05	0.60
FRB 20210616C	—	186.278	42.440	14.9	428.0757	0.01769	1.41	0.34
FRB 20210616D	—	222.967	46.300	12.7	1087.1338	0.00590	1.24	0.96
FRB 20210616B	—	267.305	13.744	13.6	412.0319	0.00295	1.10	0.54
FRB 20210616A	—	289.232	77.544	18.1	315.5211	0.00197	1.69	0.44
FRB 20210617A	FRB20191106C	197.311	43.005	29.2	331.7767	0.03834	1.74	0.35
FRB 20210618A	—	219.452	37.529	49.1	302.6014	0.00983	4.75	1.38
FRB 20210618B	—	254.368	40.390	10.3	883.2498	0.00590	1.46	0.42
FRB 20210619D	—	193.616	59.567	17.8	376.4409	0.00197	1.81	0.91
FRB 20210619C	—	210.166	63.985	274.1	1428.3743	0.00492	29.57	6.00
FRB 20210619B	—	22.689	49.213	19.8	517.6202	0.00197	1.13	0.41
FRB 20210619A	—	82.532	52.016	46.2	1162.1865	0.00197	6.93	2.20
FRB 20210620C	—	257.236	75.257	27.4	521.4350	0.00197	2.27	0.50
FRB 20210620B	—	96.450	84.302	44.2	498.9146	0.00197	4.88	2.02
FRB 20210620A	—	323.483	76.176	18.0	806.1766	0.00197	1.85	0.38
FRB 20210621B	—	173.876	74.664	13.1	1272.7250	0.02261	2.19	0.60
FRB 20210621A	—	77.333	30.347	19.5	324.2617	0.03539	10.20	2.09
FRB 20210622B	—	289.877	42.437	146.6	376.9147	0.00197	2.60	0.43
FRB 20210622A	—	319.958	11.251	36.5	588.4982	0.00295	4.61	1.15
FRB 20210623A	—	342.921	50.368	21.2	465.4333	0.00197	1.41	0.53
FRB 20210624Bsub 1	FRB20181119A	190.425	65.140	44.8	364.6160	0.01573	9.54	3.19
FRB 20210624Bsub 2	FRB20181119A	190.425	65.140	44.8	364.6160	0.01573	9.54	3.19
FRB 20210624Asub 1	FRB20200929C	17.184	18.413	38.3	413.8522	0.01966	4.12	1.01
FRB 20210624Asub 2	FRB20200929C	17.184	18.413	38.3	413.8522	0.01966	4.12	1.01
FRB 20210625A	FRB20180916B	29.638	65.722	22.7	349.1164	0.00492	3.76	1.01
FRB 20210626A	FRB20180916B	33.960	65.726	20.2	349.5672	0.00393	1.98	1.06
FRB 20210627B	—	197.938	87.183	188.2	377.6471	0.00688	61.00	16.28
FRB 20210627A	—	5.196	0.316	359.1	326.4237	0.00197	68.40	19.76
FRB 20210706C	—	190.494	41.661	30.7	879.1945	0.00295	2.37	0.43
FRB 20210706B	—	197.327	43.607	36.6	2234.1193	0.02753	4.16	1.05
FRB 20210706A	—	332.889	69.807	21.3	622.8272	0.00197	2.75	1.76
FRB 20210706D	—	336.702	68.150	11.5	312.7059	0.00295	2.48	1.19
FRB 20210708C	—	228.515	86.850	198.6	1259.9066	0.00590	2.68	0.90
FRB 20210708B	—	189.744	10.412	70.7	490.0384	0.00197	9.71	2.64
FRB 20210708A	—	201.928	47.871	13.6	1343.8887	0.00197	2.30	0.66
FRB 20210709D	—	215.500	16.042	28.4	793.4320	0.00393	3.78	0.71
FRB 20210709C	—	220.774	45.530	25.8	500.7177	0.00197	1.92	0.99
FRB 20210709B	—	162.090	89.426	26.4	923.2395	0.01475	4.19	1.63
FRB 20210709A	—	134.414	39.267	106.1	814.5398	0.00197	3.21	0.66
FRB 20210710B	—	249.680	43.930	21.1	2283.1262	0.11403	—	—
FRB 20210710A	—	18.090	3.414	15.7	1201.1347	0.07471	11.42	4.39
FRB 20210711A	FRB20180916B	25.358	65.719	20.1	349.2752	0.00492	2.95	0.61
FRB 20210711B	FRB20180916B	26.876	65.716	16.9	348.9807	0.00885	1.96	0.44
FRB 20210712D	—	315.576	27.384	14.2	332.7590	0.00197	0.95	0.24
FRB 20210712C	—	308.062	88.149	85.4	526.3106	0.00492	23.30	6.62
FRB 20210712B	FRB20200223B	7.156	28.859	—	—	—	—	—
FRB 20210712Asub 1	FRB20180916B	25.417	65.719	149.8	348.8102	0.00197	13.20	2.44
FRB 20210712Asub 2	FRB20180916B	25.417	65.719	149.8	348.8102	0.00197	13.20	2.44
FRB 20210713B	—	345.296	12.653	17.7	476.4307	0.00197	2.33	0.47
FRB 20210713C	FRB20180916B	25.027	65.718	9.6	349.1642	0.01376	1.09	0.51
FRB 20210713A	—	103.855	33.645	32.6	658.8321	0.00197	1.27	0.50
FRB 20210714A	—	66.140	57.827	35.6	537.2479	0.00197	3.01	0.84
FRB 20210717B	—	31.794	16.155	29.2	156.0082	0.00197	1.38	0.18
FRB 20210717A	—	143.877	9.705	19.1	190.1840	0.00197	3.20	1.04
FRB 20210718A	—	203.976	30.472	—	—	—	—	—
FRB 20210719A	—	245.061	54.017	27.4	361.6860	0.00295	1.89	0.64
FRB 20210719B	—	76.952	32.783	13.8	349.0638	0.00786	4.36	2.15
FRB 20210720B	—	213.080	22.454	13.9	944.8241	0.00885	8.52	1.50
FRB 20210720A	—	168.528	85.004	12.2	433.0929	0.00197	1.87	0.68
FRB 20210720H	—	25.700	13.152	11.4	197.0029	0.00885	2.18	0.87
FRB 20210720E	—	53.273	49.415	17.4	355.0649	0.00492	2.10	0.75
FRB 20210720D	—	119.380	-8.351	13.9	1212.2476	0.00590	8.21	2.99
FRB 20210720C	—	177.590	33.735	12.5	510.3307	0.00197	1.94	0.85
FRB 20210721B	—	23.278	76.414	36.1	661.3712	0.05210	19.85	5.48
FRB 20210721A	—	151.445	83.582	18.8	389.8943	0.00197	2.41	1.07
FRB 20210722D	—	233.107	19.349	47.5	1057.4995	0.00197	6.38	2.10
FRB 20210722C	—	246.052	32.854	26.2	630.0360	0.11010	—	—
FRB 20210722B	—	10.841	28.188	17.2	672.0593	0.00492	3.62	1.47
FRB 20210722A	FRB20200118D	109.354	42.754	17.2	625.4692	0.00197	0.28	0.14
FRB 20210723A	—	58.945	24.462	—	—	—	—	—
FRB 20210724A	—	199.155	-0.429	70.7	536.5692	0.00983	49.20	10.48
FRB 20210725A	—	33.585	64.304	15.9	1189.7137	0.00197	0.94	0.71
FRB 20210726A	—	82.163	53.562	21.8	388.8743	0.00197	2.63	1.03
FRB 20210729C	FRB20181201D	270.532	89.621	31.4	440.6099	0.00197	2.16	1.09
FRB 20210729B	—	12.962	57.374	17.0	541.8411	0.00197	—	—

2,501–2,750 of 5,045 rows

Downloads

Download Catalog 2

The complete catalog, with every burst and every column (version 20251231). Raw data and every other file of the release are archived at CANFAR, where the DOI points.

Catalog files

Raw data and full archive

CANFAR archiveRaw catalog files, permanently archived at the CADC.doi:10.11570/25.0066 Browse on CANFAR

Citation

How to cite

This data is provided by the CHIME/FRB Collaboration. When using this data, please cite the paper listed here.

PaperCHIME/FRB Catalog 2arxiv.org/abs/2601.09399 (opens in a new tab)

Tutorials

Working with the data

Query Catalog 2 from your own code, read its files, or find guides to plotting the data.

Glossary

What each field means

Every field in Catalog 2, grouped by topic, with its unit and a short description. The smaller grey names are the field names used in the downloaded files.

60 columns in 10 groups

Identification5

Column	Unit	Description
Burst name`tns_name`	No unit	Transient Name Server name
Previous name`previous_name`	No unit	Previous name, if applicable
Repeater name`repeater_name`	No unit	Associated repeater name, if applicable
Event ID`event_id`	No unit	CHIME/FRB internal event identifier
Sub-burst number`sub_num`	No unit	Sub-burst number (0 for single-burst FRBs; otherwise, assigned in chronological order). The website numbers sub-bursts from 1.

Position6

Column	Unit	Description
Right ascension`ra`	degrees	Right ascension in decimal degrees (J2000)
Right ascension uncertainty`ra_err`	degrees	Uncertainty in ra in degrees of arc
Declination`dec`	degrees	Declination in decimal degrees (J2000)
Declination uncertainty`dec_err`	degrees	Uncertainty in dec
Galactic longitude`gl`	degrees	Galactic longitude
Galactic latitude`gb`	degrees	Galactic latitude

Detection and dispersion7

Column	Unit	Description
Detection S/N`bonsai_snr`	No unit	Detection S/N
S/N (fitburst)`snr_fitb`	No unit	S/N determined using fitting algorithm fitburst
Detection dispersion measure`bonsai_dm`	pc cm⁻³	Detection dispersion measure
Dispersion measure (fitburst)`dm_fitb`	pc cm⁻³	Dispersion measure determined using fitting algorithm fitburst
Dispersion measure (fitburst) uncertainty`dm_fitb_err`	pc cm⁻³	Uncertainty in dm_fitb
DM excess (NE2001)`dm_exc_ne2001`	pc cm⁻³	Dispersion measure excess between dm_fitb, or bonsai_dm if dm_fitb unavailable, and NE2001 assuming best-fit sky position of source
DM excess (YMW16)`dm_exc_ymw16`	pc cm⁻³	Dispersion measure excess between dm_fitb, or bonsai_dm if dm_fitb unavailable, and YMW16 assuming best-fit sky position of source

Arrival time4

Column	Unit	Description
Arrival time, 400 MHz`mjd_400`	MJD	Time of arrival at topocentric CHIME location referenced to 400.1953125 MHz for specific sub-burst; MJD UTC
Arrival time, 400 MHz uncertainty`mjd_400_err`	MJD	Uncertainty in mjd_400
Arrival time, infinite frequency`mjd_inf`	MJD	Time of arrival at topocentric CHIME location referenced to infinite frequency for specific sub-burst; MJD UTC
Arrival time, infinite frequency uncertainty`mjd_inf_err`	MJD	Uncertainty in mjd_inf

Burst shape5

Column	Unit	Description
Boxcar width`bc_width`	s	Boxcar width of pulse
Width (fitburst)`width_fitb`	s	Width of sub-burst using fitburst
Width (fitburst) uncertainty`width_fitb_err`	s	Uncertainty in width_fitb
Scattering time`scat_time`	s	Scattering time at 400.1953125 MHz
Scattering time uncertainty`scat_time_err`	s	Uncertainty in scat_time

Flux and spectrum11

Column	Unit	Description
Flux`flux`	Jy	Maximum of band-averaged flux-density time series within burst window, lower limit
Flux uncertainty`flux_err`	Jy	Uncertainty in flux
Fluence`fluence`	Jy ms	Integral of band-averaged flux-density time series over burst window, lower limit
Fluence uncertainty`fluence_err`	Jy ms	Uncertainty in fluence
Peak frequency`peak_freq`	MHz	Frequency of maximum of best-fit spectral model for sub-burst
Lowest frequency`low_freq`	MHz	Lowest frequency where best-fit spectral model for sub-burst exceeds 10% of maximum, clipped at band edge
Highest frequency`high_freq`	MHz	Highest frequency where best-fit spectral model for sub-burst exceeds 10% of maximum, clipped at band edge
Spectral index`sp_idx`	No unit	Spectral index for sub-burst
Spectral index uncertainty`sp_idx_err`	No unit	Uncertainty in sp_idx
Spectral running`sp_run`	No unit	Spectral running for sub-burst
Spectral running uncertainty`sp_run_err`	No unit	Uncertainty in sp_run

Exposure and fluence thresholds8

Column	Unit	Description
Exposure, upper transit`exp_up`	hour	Exposure for upper transit of source
Exposure, upper transit uncertainty`exp_up_err`	hour	Uncertainty in exp_up
Exposure, lower transit`exp_low`	hour	Exposure for lower transit of source
Exposure, lower transit uncertainty`exp_low_err`	hour	Uncertainty in exp_low
Fluence threshold, lower transit (68%)`low_ft_68`	Jy ms	Fluence above which 68% of lower-transit bursts would have been detected, lower limit
Fluence threshold, upper transit (68%)`up_ft_68`	Jy ms	Fluence above which 68% of upper-transit bursts would have been detected, lower limit
Fluence threshold, lower transit (95%)`low_ft_95`	Jy ms	Fluence above which 95% of lower-transit bursts would have been detected, lower limit
Fluence threshold, upper transit (95%)`up_ft_95`	Jy ms	Fluence above which 95% of upper-transit bursts would have been detected, lower limit

Fit quality3

Column	Unit	Description
Chi-squared`chi_sq`	No unit	chi-squared from fitburst
Degrees of freedom`dof`	No unit	Number of degrees of freedom in fitburst
Fraction of channels flagged`flag_frac`	No unit	Fraction of spectral channels flagged in fitburst

Flags7

Column	Unit	Description
Catalog 1 flag`catalog1_flag`	No unit	Flag indicating whether event was included in Catalog 1 (1 = included, 0 = not included)
Catalog 1 parameters flag`catalog1_param_flag`	No unit	Flag indicating whether fitburst and/or flux/fluence pipeline results are taken from Catalog 1 (1 = Catalog 1, 0 = Catalog 2)
Sidelobe flag`sidelobe_flag`	No unit	Flag for events that were detected in sidelobes of CHIME primary beam (1 = sidelobe, 0 = mainlobe)
Excluded from inference flag`excluded_flag`	No unit	Flag for events that should be excluded from parameter inference due to non-nominal telescope operation (1 = excluded, 0 = included)
Intrachannel dispersion flag`intrachan_flag`	No unit	Flag for events where intrachannel dispersion was not modeled during fit (1 = unmodeled, 0 = modeled)
Citizen science flag`citizen_science_flag`	No unit	Flag for low S/N events first identified by citizen scientists on Zooniverse platform (1 = citizen science detection, 0 = regular detection)
Extended burst window flag`fluence_win_extended`	No unit	Flag for events where burst window was extended during flux and fluence estimation (1 = window extended, 0 = window not extended)

Notes4

Column	Unit	Description
Localization notes`ra_dec_notes`	No unit	Notes on source localization
Exposure notes`exp_notes`	No unit	Notes on exposure estimates
Flux and fluence notes`fluence_notes`	No unit	Notes on flux and fluence estimates
Fitburst notes`notes_fitb`	No unit	Notes or comments on fitburst results

Catalog 2Five years of FRBs.