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 20190907Asub 1	FRB20190907A	122.218	46.274	18.1	309.2918	0.00983	0.48	0.21
FRB 20190907Asub 2	FRB20190907A	122.218	46.274	18.1	309.2918	0.00983	0.48	0.21
FRB 20190908A	—	9.579	71.891	46.0	675.5694	0.06095	—	—
FRB 20190910B	—	219.650	52.900	11.1	1048.1953	0.00197	1.80	0.68
FRB 20190912Fsub 1	—	238.905	79.852	19.0	574.6685	0.00492	4.51	1.85
FRB 20190912Fsub 2	—	238.905	79.852	19.0	574.6685	0.00492	4.51	1.85
FRB 20190912Fsub 3	—	238.905	79.852	19.0	574.6685	0.00492	4.51	1.85
FRB 20190912A	—	243.778	22.394	19.3	211.8005	0.00197	2.96	0.71
FRB 20190912E	—	303.417	53.130	21.5	584.2315	0.00197	2.77	1.06
FRB 20190912B	—	4.311	6.100	56.7	129.1783	0.00590	13.50	6.62
FRB 20190912D	—	3.728	66.512	16.2	786.1143	0.00197	1.65	0.67
FRB 20190912C	—	17.786	67.353	19.7	337.6252	0.00197	2.31	0.86
FRB 20190913D	—	137.152	85.476	16.4	1084.5083	0.02359	6.92	2.36
FRB 20190913A	—	100.169	39.599	30.1	225.6989	0.00295	4.65	0.90
FRB 20190913B	—	104.207	39.838	20.8	346.8222	0.01278	2.01	0.49
FRB 20190913E	—	201.707	53.299	12.3	850.1785	0.00492	3.07	1.32
FRB 20190914B	—	288.474	23.624	25.9	535.1673	0.00885	7.18	2.23
FRB 20190914A	—	337.755	-6.409	23.0	477.4511	0.00786	5.82	2.74
FRB 20190915F	—	239.283	9.872	14.9	221.6681	0.00197	3.45	0.93
FRB 20190915Esub 1	—	8.265	77.036	51.3	370.1438	0.00786	14.26	2.64
FRB 20190915Esub 2	—	8.265	77.036	51.3	370.1438	0.00786	14.26	2.64
FRB 20190915Esub 3	—	8.265	77.036	51.3	370.1438	0.00786	14.26	2.64
FRB 20190915D	FRB20190915D	11.593	46.879	47.5	488.7076	0.01475	13.39	4.11
FRB 20190915C	—	86.798	39.184	20.4	572.6064	0.00983	—	—
FRB 20190915A	FRB20190907A	120.725	46.268	18.1	308.8581	0.00197	1.91	0.86
FRB 20190915B	—	180.474	22.903	19.5	977.8199	0.00197	1.70	0.59
FRB 20190916A	—	300.574	47.322	15.3	1085.4188	0.00393	2.63	1.09
FRB 20190917A	—	255.991	74.570	20.7	525.0425	0.01475	11.36	6.00
FRB 20190917B	—	94.522	89.101	—	—	—	—	—
FRB 20190918F	—	249.006	40.253	10.7	768.7536	0.00295	0.81	0.53
FRB 20190918E	—	253.254	53.228	20.4	541.2669	0.03342	6.39	3.26
FRB 20190918D	—	20.841	13.635	18.7	673.7763	0.00197	3.06	1.37
FRB 20190918C	—	64.154	82.495	21.4	469.3199	0.02064	18.31	7.43
FRB 20190918B	—	78.603	42.698	41.6	485.6056	0.01180	2.58	0.82
FRB 20190918A	—	84.766	40.359	24.3	1385.7372	0.00197	2.42	0.75
FRB 20190919D	—	64.221	42.272	15.6	407.0748	0.00393	3.77	1.01
FRB 20190919C	—	145.878	15.248	22.0	657.5167	0.00983	6.58	1.26
FRB 20190919B	—	161.769	41.649	34.1	1699.1984	0.00492	6.05	1.39
FRB 20190919A	—	212.179	61.109	28.5	1112.4480	0.00295	5.55	1.86
FRB 20190920A	—	187.410	29.638	135.5	841.8829	0.00295	21.33	5.35
FRB 20190922A	—	243.683	68.729	28.1	199.2977	0.00197	3.48	1.66
FRB 20190923A	—	187.549	39.298	16.4	523.3782	0.00492	2.76	0.55
FRB 20190924A	—	326.128	27.377	21.8	497.5911	0.00197	3.52	0.80
FRB 20190925C	FRB20180910A	296.733	88.598	56.2	690.0499	0.00492	9.93	3.83
FRB 20190925B	—	105.281	42.840	571.2	722.3867	0.00295	37.69	10.83
FRB 20190925A	FRB20190907A	122.182	46.272	13.1	309.4868	0.00393	0.79	0.75
FRB 20190925E	—	156.304	50.970	10.5	367.5110	0.00197	0.75	0.22
FRB 20190926D	—	350.269	47.801	13.1	1008.2687	0.00197	1.68	0.54
FRB 20190926C	—	88.642	88.113	11.7	712.6410	0.00197	1.75	0.96
FRB 20190926A	FRB20181119A	190.338	65.132	9.4	365.9110	0.02163	2.29	0.48
FRB 20190927D	—	359.556	48.385	58.5	998.7788	0.00197	4.20	1.57
FRB 20190927C	—	78.311	48.521	22.8	542.1355	0.00295	3.49	1.29
FRB 20190927B	—	146.976	63.107	6.9	983.6774	0.00590	2.43	0.89
FRB 20190927A	—	153.587	25.045	27.6	384.5040	0.00197	2.64	0.95
FRB 20190928A	—	210.663	80.081	16.7	143.1460	0.00197	2.08	0.57
FRB 20190929A	FRB20190417A	294.907	59.386	20.4	1378.4343	0.00590	3.52	0.90
FRB 20190929E	FRB20190929E	311.250	29.056	21.2	512.6400	0.00885	3.96	1.16
FRB 20190929D	—	358.100	48.427	28.9	510.9631	0.00197	2.64	1.01
FRB 20190929Csub 1	FRB20180814A	65.855	73.643	29.7	188.7738	0.02064	5.17	2.21
FRB 20190929Csub 2	FRB20180814A	65.855	73.643	29.7	188.7738	0.02064	5.17	2.21
FRB 20190929B	—	90.809	11.781	13.5	376.9683	0.00197	2.71	0.93
FRB 20191009A	—	229.310	60.711	13.4	790.0092	0.00492	1.12	0.49
FRB 20191010B	—	293.410	29.913	26.1	554.0136	0.00197	3.20	0.84
FRB 20191010A	—	175.453	73.757	13.1	1218.2019	0.00983	4.60	2.00
FRB 20191012B	—	157.408	46.555	18.0	613.8504	0.00197	0.91	0.34
FRB 20191013D	FRB20191013D	41.886	13.632	20.4	523.8712	0.01671	11.34	4.11
FRB 20191013Csub 1	—	179.895	63.938	48.6	229.1485	0.00393	3.08	0.67
FRB 20191013Csub 2	—	179.895	63.938	48.6	229.1485	0.00393	3.08	0.67
FRB 20191013A	FRB20190303A	210.158	48.253	18.4	224.9272	0.02359	1.23	0.50
FRB 20191014B	—	84.617	8.289	13.6	278.1651	0.00295	2.68	1.05
FRB 20191014A	—	104.021	61.062	12.9	1229.8241	0.00983	3.07	0.96
FRB 20191015B	—	239.177	49.376	20.4	338.6944	0.00590	3.99	1.15
FRB 20191015A	—	244.102	55.581	24.4	701.9143	0.00688	3.66	0.78
FRB 20191016Asub 1	—	258.797	60.800	17.1	369.7294	0.00688	0.89	0.08
FRB 20191016Asub 2	—	258.797	60.800	17.1	369.7294	0.00688	0.89	0.08
FRB 20191017A	—	215.302	57.183	7.0	915.1068	0.00295	1.47	0.49
FRB 20191018C	—	323.200	13.655	156.5	171.4967	0.00492	52.81	20.66
FRB 20191018B	—	64.629	68.044	22.0	323.4140	0.00197	—	—
FRB 20191018D	—	100.800	34.843	18.9	360.4360	0.00197	1.56	0.52
FRB 20191018A	—	179.283	85.948	22.3	301.3494	0.00197	3.29	0.98
FRB 20191019E	—	296.957	85.245	10.7	725.1456	0.00295	0.81	0.46
FRB 20191019Fsub 1	—	16.171	52.534	30.7	910.0281	0.02359	7.29	1.92
FRB 20191019Fsub 2	—	16.171	52.534	30.7	910.0281	0.02359	7.29	1.92
FRB 20191019G	—	53.040	82.014	20.2	1698.0201	0.03146	13.51	2.92
FRB 20191019D	—	212.523	32.900	13.3	643.2131	0.00197	1.01	0.65
FRB 20191019C	—	238.528	14.743	33.0	288.0527	0.01966	—	—
FRB 20191019B	—	240.858	25.416	20.8	1668.0168	0.00786	4.47	0.99
FRB 20191019A	—	264.968	-1.139	28.9	924.3661	0.00197	20.93	8.58
FRB 20191020A	FRB20190303A	206.370	48.257	55.8	222.1417	0.00197	4.49	1.14
FRB 20191020C	—	208.287	70.014	13.5	578.0266	0.00197	1.09	0.52
FRB 20191021C	—	354.632	71.943	64.8	1266.6756	0.00492	—	—
FRB 20191021B	—	180.367	80.325	39.9	295.9112	0.00197	6.72	2.34
FRB 20191021A	—	124.931	46.418	144.0	388.6664	0.00197	14.28	4.86
FRB 20191023C	—	11.059	28.611	44.8	621.0676	0.00295	4.06	1.34
FRB 20191023Bsub 1	—	142.026	33.139	28.2	469.0596	0.00492	3.70	1.16
FRB 20191023Bsub 2	—	142.026	33.139	28.2	469.0596	0.00492	3.70	1.16
FRB 20191023A	—	180.231	7.368	14.9	530.5406	0.00197	2.77	1.62
FRB 20191024B	FRB20190430C	277.283	24.925	16.3	401.5025	0.01180	2.63	0.60
FRB 20191024A	—	307.407	76.314	10.4	1109.9668	0.06095	1.70	0.68
FRB 20191024C	—	244.341	58.714	10.1	1183.2851	0.00295	1.25	0.21
FRB 20191025Dsub 1	—	88.954	62.437	84.6	249.0810	0.00197	—	—
FRB 20191025Dsub 2	—	88.954	62.437	84.6	249.0810	0.00197	—	—
FRB 20191025Dsub 3	—	88.954	62.437	84.6	249.0810	0.00197	—	—
FRB 20191025Dsub 4	—	88.954	62.437	84.6	249.0810	0.00197	—	—
FRB 20191025C	—	91.050	61.816	17.7	202.2056	0.00590	0.61	0.19
FRB 20191025B	—	111.665	23.268	25.2	469.6566	0.01671	6.22	1.26
FRB 20191025A	—	183.782	48.654	20.9	1214.9045	0.01573	5.10	1.50
FRB 20191028B	FRB20190430C	277.207	24.929	12.9	401.0071	0.00786	2.22	0.47
FRB 20191028A	—	91.948	41.151	13.6	632.0426	0.00197	1.32	0.27
FRB 20191026A	FRB20191026A	55.633	-6.365	19.4	147.8144	0.02458	16.66	14.19
FRB 20191026B	FRB20191026A	55.541	-6.367	17.0	147.7113	0.01475	21.66	11.68
FRB 20191029A	FRB20180814A	61.191	73.636	23.2	190.9354	0.00786	3.98	1.31
FRB 20191029D	—	220.708	34.506	18.9	830.4504	0.01278	5.96	1.93
FRB 20191029C	—	222.157	34.906	15.1	219.7768	0.00492	1.80	0.55
FRB 20191030A	FRB20180916B	29.791	65.718	11.1	349.6634	0.00688	1.22	0.35
FRB 20191030B	FRB20180916B	33.742	65.736	22.4	348.8544	0.00885	3.57	0.86
FRB 20191030E	—	100.159	74.998	10.5	663.8819	0.01671	4.40	1.46
FRB 20191030D	—	107.723	68.873	55.9	248.7232	0.00688	—	—
FRB 20191030C	—	174.690	61.472	39.2	338.0237	0.00295	3.92	0.90
FRB 20191101E	—	282.155	74.074	10.2	709.6391	0.00393	1.13	0.25
FRB 20191101D	—	145.365	65.114	21.4	777.1504	0.00197	3.18	0.49
FRB 20191101C	—	165.147	34.125	14.2	1144.5412	0.00197	2.35	0.78
FRB 20191101B	—	164.466	34.120	14.6	453.3220	0.00197	0.40	0.15
FRB 20191101A	—	166.444	31.160	136.7	635.7954	0.00197	14.03	2.80
FRB 20191102C	—	353.079	17.362	20.0	1112.5527	0.01966	12.95	4.03
FRB 20191102B	—	191.812	86.897	14.9	595.6221	0.01278	1.27	0.39
FRB 20191102A	—	233.593	43.552	17.2	1106.4336	0.01081	0.99	0.26
FRB 20191103F	—	298.369	57.041	20.4	360.9326	0.00197	0.93	0.37
FRB 20191103E	—	59.832	89.689	14.4	356.3445	0.01769	3.24	1.30
FRB 20191103D	—	34.150	29.862	11.0	447.6075	0.00295	2.06	0.50
FRB 20191103C	—	183.759	36.130	11.3	329.3433	0.00197	0.69	0.28
FRB 20191103B	—	234.230	16.145	20.1	884.8535	0.00885	7.09	2.02
FRB 20191103A	—	255.836	39.602	17.2	1342.6667	0.00295	—	—
FRB 20191104E	—	283.970	60.586	46.7	215.7824	0.00197	1.43	0.36
FRB 20191104D	—	—	—	21.8	192.0671	0.00393	—	—
FRB 20191104C	—	116.178	19.772	22.1	537.9838	0.00197	1.73	0.70
FRB 20191104B	—	225.485	63.089	12.7	731.9361	0.00197	1.19	0.36
FRB 20191104A	—	252.139	37.247	10.9	775.4630	0.00197	0.63	0.39
FRB 20191105B	—	84.077	72.413	25.7	318.5878	0.00197	—	—
FRB 20191105Asub 1	—	120.935	56.984	92.3	721.2744	0.00197	9.45	2.83
FRB 20191105Asub 2	—	120.935	56.984	92.3	721.2744	0.00197	9.45	2.83
FRB 20191106C	FRB20191106C	199.596	42.963	21.7	332.3231	0.01278	1.68	0.28
FRB 20191106B	—	242.599	75.453	11.4	703.2335	0.01966	3.54	1.18
FRB 20191106A	—	258.082	43.129	37.9	1236.2108	0.00492	1.49	0.31
FRB 20191107A	FRB20180814A	66.094	73.599	8.5	192.8296	0.00492	0.93	0.65
FRB 20191107Csub 1	FRB20190110C	249.521	41.558	49.4	222.2213	0.00295	2.56	0.60
FRB 20191107Csub 2	FRB20190110C	249.521	41.558	49.4	222.2213	0.00295	2.56	0.60
FRB 20191108D	—	120.292	76.749	15.7	327.6438	0.01376	1.81	0.43
FRB 20191108C	—	150.740	33.710	14.5	227.7556	0.00295	0.37	0.19
FRB 20191108B	—	233.631	83.056	34.0	259.1673	0.00197	1.90	0.75
FRB 20191109C	—	152.469	79.432	13.1	600.4304	0.00197	1.10	0.62
FRB 20191109B	—	173.433	24.633	8.9	551.5643	0.00295	1.00	0.23
FRB 20191110D	—	50.456	19.210	9.7	1419.0813	0.00197	2.92	1.10
FRB 20191110C	—	134.219	38.076	20.0	337.7418	0.00197	0.85	0.19
FRB 20191110B	—	197.763	10.924	—	—	—	—	—
FRB 20191110Asub 1	FRB20190303A	208.064	48.116	101.7	221.4155	0.01769	13.36	2.88
FRB 20191110Asub 2	FRB20190303A	208.064	48.116	101.7	221.4155	0.01769	13.36	2.88
FRB 20191110Asub 3	FRB20190303A	208.064	48.116	101.7	221.4155	0.01769	13.36	2.88
FRB 20191110Asub 4	FRB20190303A	208.064	48.116	101.7	221.4155	0.01769	13.36	2.88
FRB 20191110Asub 5	FRB20190303A	208.064	48.116	101.7	221.4155	0.01769	13.36	2.88
FRB 20191111A	FRB20180814A	60.816	73.621	25.7	188.9881	0.00983	3.84	1.24
FRB 20191113D	—	92.171	65.828	11.8	574.1333	0.00197	1.42	0.39
FRB 20191113C	FRB20191113C	136.098	40.043	17.8	617.3543	0.00295	1.26	7.43
FRB 20191113B	—	169.274	69.197	13.5	792.2588	0.00590	2.13	0.44
FRB 20191113Asub 1	FRB20190303A	205.865	48.258	61.5	222.1165	0.01475	8.66	1.97
FRB 20191113Asub 2	FRB20190303A	205.865	48.258	61.5	222.1165	0.01475	8.66	1.97
FRB 20191114E	—	294.139	86.644	39.1	923.3216	0.00590	9.06	2.52
FRB 20191114F	—	54.281	53.909	23.5	1118.2484	0.05014	5.01	0.91
FRB 20191114D	—	178.387	84.051	111.4	522.8886	0.00983	30.18	10.80
FRB 20191114C	—	204.040	76.797	13.4	751.3706	0.00295	1.04	0.67
FRB 20191114B	—	254.761	44.690	12.1	817.7309	0.00688	1.80	0.46
FRB 20191114A	FRB20191114A	273.685	19.713	16.1	552.1071	0.02261	4.69	1.08
FRB 20191115B	—	143.934	29.628	48.7	769.3585	0.00197	5.01	1.22
FRB 20191116A	FRB20190303A	208.164	48.108	113.0	221.8354	0.00393	10.78	2.57
FRB 20191117B	—	25.620	40.265	13.1	250.0955	0.00197	1.47	0.39
FRB 20191117A	FRB20190303A	210.735	48.251	20.8	221.3340	0.02851	3.85	0.97
FRB 20191118B	—	304.541	52.358	36.1	362.1264	0.04030	17.46	5.63
FRB 20191118A	—	113.122	20.210	13.5	403.0628	0.02261	5.04	1.27
FRB 20191202C	—	331.761	79.106	33.0	954.1764	0.00295	2.06	0.69
FRB 20191202D	—	121.108	51.705	16.4	1097.3740	0.00393	1.79	0.62
FRB 20191202B	—	215.921	82.679	81.5	691.2240	0.00197	10.19	4.40
FRB 20191205D	—	107.414	61.212	39.1	457.7788	0.00492	5.18	1.27
FRB 20191205A	FRB20181119A	190.336	65.133	13.0	364.6315	0.01966	2.44	0.35
FRB 20191205F	—	202.574	44.938	17.6	575.9494	0.00197	0.87	0.57
FRB 20191205G	—	208.323	70.844	11.1	931.7989	0.00786	2.67	1.09
FRB 20191206D	—	64.793	74.818	44.5	341.4713	0.00098	2.12	1.12
FRB 20191206C	—	78.892	45.037	26.2	325.0309	0.01278	4.84	1.27
FRB 20191206B	—	123.100	40.031	26.4	1041.9086	0.00197	—	—
FRB 20191206A	—	313.843	18.451	42.6	373.5259	0.00197	4.55	1.76
FRB 20191207B	—	207.161	29.226	11.4	579.2345	0.01376	2.64	0.46
FRB 20191207A	—	237.918	24.024	60.8	658.5640	0.00197	5.08	1.24
FRB 20191208A	—	150.768	27.047	36.1	1011.7915	0.00393	1.20	0.25
FRB 20191209D	—	4.119	24.989	14.7	2559.6760	0.03047	2.26	0.45
FRB 20191209C	—	26.257	35.519	16.8	294.2785	0.08159	5.08	1.27
FRB 20191209B	—	47.780	61.352	18.6	910.6359	0.00197	2.37	0.49
FRB 20191209A	—	202.327	51.602	21.3	989.1751	0.00688	2.91	0.80
FRB 20191210C	—	29.977	39.229	15.0	785.1278	0.01769	—	—
FRB 20191210B	—	40.117	17.363	40.1	379.1934	0.00393	3.91	1.04
FRB 20191210A	—	242.541	40.022	110.6	413.8925	0.00197	—	—
FRB 20191211A	—	344.586	77.598	29.6	322.2410	0.00197	1.22	0.40
FRB 20191212E	—	68.096	31.155	10.3	427.1290	0.00197	1.16	0.31
FRB 20191212F	—	66.443	52.353	115.9	712.8387	0.00688	13.07	4.25
FRB 20191212D	—	105.408	49.724	22.1	539.2492	0.00295	4.08	0.76
FRB 20191212C	—	107.403	51.293	42.1	146.3199	0.00197	3.27	0.82
FRB 20191212B	—	213.178	27.980	10.2	907.1334	0.01376	3.35	0.87
FRB 20191212A	—	312.632	59.756	8.6	776.1661	0.00197	0.71	0.16
FRB 20191213C	—	327.342	65.736	61.2	571.3013	0.01573	20.74	3.47
FRB 20191213D	—	93.957	27.476	12.7	750.4321	0.00295	0.98	0.63
FRB 20191213Bsub 1	—	241.668	57.719	80.5	328.5347	0.00885	—	—
FRB 20191213Bsub 2	—	241.668	57.719	80.5	328.5347	0.00885	—	—
FRB 20191213A	—	245.696	39.228	58.6	978.4451	0.00393	—	—
FRB 20191214B	—	353.822	42.231	140.4	738.3303	0.00393	13.04	2.36
FRB 20191214A	—	179.896	53.698	18.0	675.4212	0.00885	1.41	0.40
FRB 20191215C	—	53.508	28.653	10.9	260.4373	0.00197	1.02	0.43
FRB 20191215Asub 1	FRB20190303A	208.252	48.255	28.9	222.4570	0.00688	2.10	0.71
FRB 20191215Asub 2	FRB20190303A	208.252	48.255	28.9	222.4570	0.00688	2.10	0.71
FRB 20191215B	—	315.794	25.707	30.2	538.9803	0.00197	1.86	0.57
FRB 20191216A	—	266.021	86.707	38.5	629.4107	0.00197	7.47	3.15
FRB 20191217E	—	8.831	79.250	11.3	434.5412	0.00295	2.62	1.07
FRB 20191217D	—	76.182	44.249	11.5	1249.4516	0.00197	0.87	0.28
FRB 20191217Asub 1	FRB20190212A	276.676	81.401	33.9	301.7819	0.01769	6.20	3.04
FRB 20191217Asub 2	FRB20190212A	276.676	81.401	33.9	301.7819	0.01769	6.20	3.04
FRB 20191217B	—	239.397	61.876	7.3	1428.7707	0.00393	0.80	0.34
FRB 20191218D	—	12.272	34.315	14.8	609.4716	0.00492	—	—
FRB 20191218Asub 1	FRB20180916B	29.796	65.730	18.4	349.1850	0.01278	1.91	1.14
FRB 20191218Asub 2	FRB20180916B	29.796	65.730	18.4	349.1850	0.01278	1.91	1.14
FRB 20191218B	—	131.644	47.446	19.7	373.5330	0.00590	2.77	0.84
FRB 20191218E	—	278.981	59.429	13.0	1292.4763	0.00197	1.23	0.35
FRB 20191219H	—	343.971	18.267	15.1	1781.6398	0.00295	2.36	0.90
FRB 20191219A	FRB20180916B	29.336	65.730	15.7	349.3508	0.00590	2.18	0.64
FRB 20191219Bsub 1	FRB20180916B	29.277	65.728	41.6	349.4739	0.00492	8.66	2.39
FRB 20191219Bsub 2	FRB20180916B	29.277	65.728	41.6	349.4739	0.00492	8.66	2.39
FRB 20191219F	—	226.478	85.439	420.5	464.5450	0.00197	38.79	14.36
FRB 20191219G	—	—	—	15.0	736.6311	0.00197	—	—
FRB 20191220E	—	35.810	46.124	35.0	234.9444	0.00197	1.88	0.74
FRB 20191220A	FRB20190212A	276.495	81.399	8.8	301.9683	0.01278	—	—
FRB 20191220C	—	133.794	42.001	108.7	840.8199	0.00885	18.62	77.98
FRB 20191220B	—	149.363	80.353	26.0	641.2503	0.03539	8.45	2.59
FRB 20191221D	—	64.688	42.283	67.7	446.2943	0.00295	—	—
FRB 20191221B	—	113.018	81.227	17.0	736.9665	0.00197	—	—
FRB 20191222A	—	283.650	85.738	249.3	425.6217	0.00197	—	—
FRB 20191223A	FRB20190117A	333.210	17.374	25.8	393.3194	0.01180	3.38	1.13
FRB 20191223E	—	169.702	85.507	17.6	681.2143	0.00197	2.61	1.03
FRB 20191223D	—	13.328	15.052	18.8	174.9586	0.00786	—	—
FRB 20191223C	—	317.997	22.712	66.6	604.7269	0.00197	9.21	2.62
FRB 20191224B	—	185.326	72.105	10.4	843.1859	0.00590	2.20	1.24
FRB 20191224A	—	76.510	80.123	34.0	430.0012	0.00197	3.08	1.14
FRB 20191225B	—	113.128	27.091	23.8	694.0462	0.01081	5.95	1.59
FRB 20191225A	—	215.094	85.437	174.0	683.8986	0.00197	13.81	5.00
FRB 20191226D	—	102.980	18.402	19.9	1633.3053	0.00197	2.50	1.09

751–1,000 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.