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 20210416D	—	339.105	2.841	11.7	205.0897	0.00197	1.45	0.41
FRB 20210416B	—	1.076	41.449	49.6	656.2487	0.00197	2.23	0.62
FRB 20210416A	—	48.335	35.943	15.5	479.4927	0.00786	2.67	1.48
FRB 20210417A	—	213.256	44.580	77.6	148.4591	0.00197	5.33	1.77
FRB 20210418D	—	180.384	36.143	12.2	1355.7481	0.00197	1.63	1.05
FRB 20210418C	—	317.578	34.327	20.3	906.4662	0.02359	7.78	4.35
FRB 20210418B	—	354.268	29.177	137.4	882.1372	0.00197	12.23	2.19
FRB 20210418A	—	34.459	37.112	45.0	256.4870	0.01081	6.49	2.58
FRB 20210419B	—	210.773	57.987	16.4	1045.2767	0.01769	3.50	0.48
FRB 20210419C	—	240.209	13.797	—	—	—	—	—
FRB 20210419A	—	309.480	27.103	37.4	719.8993	0.00393	7.13	1.71
FRB 20210421C	—	121.117	56.366	11.9	1646.5263	0.01376	2.00	1.16
FRB 20210421F	—	165.674	30.483	20.7	1201.6229	0.03342	4.63	0.74
FRB 20210421D	—	221.720	45.529	11.0	268.3832	0.00197	0.34	0.16
FRB 20210421B	—	222.423	59.930	22.3	574.6467	0.00393	3.55	1.23
FRB 20210421A	—	334.125	66.948	21.2	368.5000	0.01376	—	—
FRB 20210422B	—	143.509	42.826	94.8	223.6275	0.00295	1.48	0.27
FRB 20210422A	—	322.371	74.454	19.7	545.2054	0.00295	1.95	0.53
FRB 20210423H	—	120.102	19.161	20.7	341.5378	0.01573	2.88	1.00
FRB 20210423F	—	166.314	74.229	39.8	385.6878	0.00197	3.70	1.36
FRB 20210423E	—	192.909	42.829	26.8	274.1790	0.01769	2.12	0.74
FRB 20210423D	—	204.460	15.738	21.1	295.6836	0.00393	1.94	1.23
FRB 20210423C	—	251.763	74.138	22.9	763.1725	0.00393	5.73	1.89
FRB 20210423B	—	262.226	65.305	23.9	1381.8150	0.06390	10.84	4.56
FRB 20210423A	—	35.844	12.187	23.7	815.4603	0.00197	3.91	0.81
FRB 20210424A	—	359.843	82.293	35.5	971.7045	0.01671	9.23	3.94
FRB 20210424B	—	4.946	32.693	12.8	774.5269	0.00197	1.85	1.03
FRB 20210425A	—	57.722	64.957	10.2	932.2956	0.00197	2.11	0.58
FRB 20210426A	—	234.442	87.718	34.2	1107.7309	0.00197	6.54	2.49
FRB 20210427B	—	185.764	63.932	23.5	617.2547	0.01769	10.08	1.73
FRB 20210427A	—	307.533	79.139	356.6	268.4135	0.00295	82.93	18.35
FRB 20210427C	—	224.661	85.502	12.5	200.7723	0.00197	1.54	0.56
FRB 20210428C	—	100.326	35.241	12.6	283.1615	0.01180	2.84	1.82
FRB 20210428A	—	111.828	76.322	22.5	849.2884	0.00492	4.31	1.41
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 20210713B	—	345.296	12.653	17.7	476.4307	0.00197	2.33	0.47
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 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 20210729B	—	12.962	57.374	17.0	541.8411	0.00197	—	—
FRB 20210729A	—	61.484	26.991	12.7	533.1901	0.00197	1.95	0.64
FRB 20210803C	—	48.297	88.339	28.4	435.5815	0.00197	3.10	1.18
FRB 20210803B	—	48.056	78.272	79.5	461.5250	0.00786	14.80	3.97
FRB 20210803A	—	125.662	54.830	101.0	381.7937	0.00197	9.09	2.08
FRB 20210805B	—	255.708	36.447	22.1	1514.0007	0.00983	9.12	3.40
FRB 20210806A	—	151.470	45.544	19.6	476.8510	0.01573	—	—
FRB 20210807B	—	251.022	73.728	23.4	546.5224	0.00197	3.69	1.15
FRB 20210807A	—	337.624	1.678	38.0	1217.4354	0.00197	4.15	1.54
FRB 20210807C	—	155.123	44.387	30.8	283.2372	0.00197	2.64	1.09
FRB 20210808B	—	222.905	76.927	30.9	442.2114	0.00197	4.74	1.03
FRB 20210808E	—	329.982	19.917	135.2	282.1862	0.02556	61.01	20.08
FRB 20210808A	—	158.293	20.281	19.8	449.8093	0.00197	2.28	0.85
FRB 20210809A	—	245.685	31.630	87.7	838.5202	0.00492	24.72	7.92
FRB 20210809B	—	281.506	1.765	—	—	—	—	—
FRB 20210810E	—	—	—	86.3	246.9461	0.00197	—	—
FRB 20210810C	—	143.565	81.670	40.0	694.1753	0.00688	10.59	4.13
FRB 20210810B	—	327.020	59.336	23.4	639.5333	0.00492	4.54	1.55
FRB 20210810A	—	45.032	73.606	16.3	1317.4660	0.00197	1.75	0.51
FRB 20210811B	—	294.120	53.917	25.2	632.5159	0.00197	1.42	0.48
FRB 20210811Asub 1	—	211.733	88.397	57.3	481.7579	0.01081	14.39	4.69
FRB 20210811Asub 2	—	211.733	88.397	57.3	481.7579	0.01081	14.39	4.69
FRB 20210811C	—	45.890	20.088	14.7	400.5359	0.00295	0.96	0.59
FRB 20210813B	—	48.430	33.133	16.6	518.3762	0.00197	1.44	0.64
FRB 20210813A	—	72.030	39.903	119.3	399.3855	0.00098	5.21	1.29
FRB 20210814A	—	56.347	58.597	10.3	592.0106	0.00393	1.16	0.69
FRB 20210815B	—	295.029	53.916	15.9	912.8969	0.01180	4.10	1.23

2,001–2,250 of 3,763 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.