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 20210130Bsub 1	—	320.134	21.403	23.2	410.6272	0.00197	2.83	0.83
FRB 20210130Bsub 2	—	320.134	21.403	23.2	410.6272	0.00197	2.83	0.83
FRB 20210130A	—	330.643	49.611	13.2	377.7109	0.00197	1.83	0.92
FRB 20210131B	—	328.582	77.043	15.2	438.6663	0.00197	1.74	0.71
FRB 20210201A	—	221.706	22.435	14.8	508.8131	0.00885	5.56	1.35
FRB 20210202C	—	104.420	70.356	13.0	803.2337	0.00688	3.98	0.62
FRB 20210202B	—	253.489	52.846	13.8	639.7019	0.00197	1.67	0.52
FRB 20210202A	—	274.310	7.789	72.1	330.1800	0.01278	54.03	18.42
FRB 20210203E	—	125.756	80.744	18.4	552.2829	0.09241	3.87	0.87
FRB 20210203D	—	221.082	7.878	11.8	888.3134	0.00197	4.72	2.18
FRB 20210203A	—	359.658	80.136	15.2	925.2575	0.00393	3.62	1.77
FRB 20210204B	—	69.778	59.400	14.8	558.3269	0.00197	2.63	0.56
FRB 20210204D	—	133.382	-6.224	10.0	888.9730	0.00295	0.91	0.28
FRB 20210204C	—	205.626	21.163	11.5	1113.6215	0.00492	—	—
FRB 20210204A	—	213.755	83.095	22.7	962.9516	0.00197	2.07	0.71
FRB 20210205C	—	108.382	58.308	16.1	885.2489	0.00492	1.45	0.53
FRB 20210205B	—	196.585	27.584	30.4	858.5875	0.00197	2.07	0.43
FRB 20210205A	—	196.655	38.117	26.3	567.9365	0.04817	9.61	1.78
FRB 20210206B	—	32.093	8.197	18.4	1215.6395	0.00197	3.15	1.53
FRB 20210206Asub 1	—	53.938	52.728	76.4	361.3211	0.01573	22.53	6.27
FRB 20210206Asub 2	—	53.938	52.728	76.4	361.3211	0.01573	22.53	6.27
FRB 20210206Asub 3	—	53.938	52.728	76.4	361.3211	0.01573	22.53	6.27
FRB 20210206Asub 4	—	53.938	52.728	76.4	361.3211	0.01573	22.53	6.27
FRB 20210207G	—	205.013	81.527	13.3	818.2979	0.00492	2.01	0.58
FRB 20210207F	—	47.514	53.119	11.0	1586.9319	0.00197	1.24	0.51
FRB 20210207E	—	53.091	58.589	13.4	478.9869	0.00295	1.54	0.27
FRB 20210207D	—	154.194	54.465	11.6	438.3043	0.00295	0.63	0.16
FRB 20210207C	—	175.344	27.022	89.7	330.8155	0.02458	34.16	5.33
FRB 20210207B	—	183.648	41.656	18.7	658.7255	0.00197	1.50	0.61
FRB 20210208D	—	20.412	34.470	13.3	954.2599	0.01573	2.98	1.77
FRB 20210208C	—	76.763	74.089	14.0	903.2281	0.00393	1.83	0.64
FRB 20210208A	—	186.530	37.877	21.1	670.6722	0.00197	0.74	0.26
FRB 20210209D	—	34.658	1.477	14.6	385.1683	0.00295	3.62	1.42
FRB 20210209A	—	254.721	37.013	20.4	837.0441	0.00590	1.15	0.32
FRB 20210210A	—	49.593	26.143	14.8	401.8654	0.00983	1.03	0.34
FRB 20210211E	—	46.248	42.367	16.4	1079.4632	0.01278	1.93	0.69
FRB 20210211D	—	143.626	48.639	15.5	396.8253	0.02261	2.48	0.71
FRB 20210211C	—	286.921	37.975	15.7	315.4891	0.00393	2.38	0.55
FRB 20210211B	—	291.125	56.274	38.1	1090.5081	0.00786	3.69	0.76
FRB 20210212E	—	228.082	80.691	39.6	201.7770	0.00197	5.07	1.23
FRB 20210212D	—	97.696	70.961	39.3	489.5418	0.00983	9.22	2.22
FRB 20210212F	—	166.983	52.144	14.0	409.8211	0.00197	0.71	0.21
FRB 20210212B	—	233.478	26.283	33.3	521.4867	0.00590	7.41	1.14
FRB 20210212A	—	265.251	48.942	39.3	850.4364	0.00688	4.35	1.41
FRB 20210213G	—	47.236	64.945	7.0	642.0747	0.00590	1.73	0.69
FRB 20210213E	—	187.633	57.992	24.4	1060.7548	0.00393	3.35	0.81
FRB 20210213D	—	191.520	33.939	73.7	351.5230	0.05702	19.39	5.71
FRB 20210213Asub 1	—	191.724	83.277	32.7	482.4917	0.01376	—	—
FRB 20210213Asub 2	—	191.724	83.277	32.7	482.4917	0.01376	—	—
FRB 20210213Asub 3	—	191.724	83.277	32.7	482.4917	0.01376	—	—
FRB 20210213C	—	258.595	49.733	23.1	1108.9705	0.00393	1.38	0.39
FRB 20210213B	—	293.214	57.048	19.5	721.1832	0.00197	1.74	0.49
FRB 20210213H	—	357.757	39.176	32.8	627.4295	0.01769	4.21	0.54
FRB 20210214C	—	118.557	23.715	13.3	242.4977	0.00393	0.96	0.18
FRB 20210214F	—	181.792	62.336	9.2	1089.1074	0.00295	0.84	0.34
FRB 20210214B	—	210.338	84.036	117.1	197.4212	0.00197	6.04	2.06
FRB 20210214E	—	263.303	43.119	11.2	1181.3736	0.00197	0.43	0.13
FRB 20210214A	—	16.835	23.548	43.1	341.4026	0.06881	—	—
FRB 20210215B	—	112.693	55.584	22.8	1045.0809	0.00688	0.30	0.29
FRB 20210215A	—	119.891	58.328	38.4	484.3192	0.00197	3.37	0.60
FRB 20210215E	—	190.449	51.768	16.8	1408.2026	0.00885	—	—
FRB 20210216F	—	26.195	65.137	68.0	1213.0950	0.00688	6.90	1.21
FRB 20210216E	—	75.438	62.581	18.1	891.6152	0.00492	3.79	1.49
FRB 20210216D	—	84.927	30.209	190.0	398.4449	0.00197	17.29	3.14
FRB 20210216G	—	83.354	73.237	12.7	957.3099	0.00393	1.26	0.58
FRB 20210216C	—	157.311	20.725	17.5	528.7669	0.00885	1.55	0.30
FRB 20210216A	—	25.698	69.395	17.0	683.6481	0.01180	1.20	0.81
FRB 20210217C	—	101.426	36.444	19.4	529.5006	0.00197	2.28	0.69
FRB 20210217B	—	161.768	79.016	13.2	1110.2209	0.00197	1.67	0.50
FRB 20210217A	—	122.514	85.097	47.8	350.0401	0.00098	3.68	1.68
FRB 20210218C	—	301.038	87.666	39.9	737.5848	0.00098	4.62	1.68
FRB 20210218B	—	122.835	17.070	21.7	1086.9722	0.00590	5.71	1.43
FRB 20210218G	—	133.173	47.841	11.4	861.4857	0.00786	2.01	0.45
FRB 20210218F	—	141.044	43.577	16.6	799.9770	0.00492	0.29	0.21
FRB 20210218A	—	202.001	29.242	29.2	204.8105	0.00393	2.97	0.67
FRB 20210218D	—	0.131	34.706	7.2	1145.3576	0.00295	—	—
FRB 20210219B	—	176.210	31.970	19.4	640.9270	0.01671	1.75	0.14
FRB 20210219A	—	219.087	49.014	12.9	694.5473	0.00197	1.21	0.39
FRB 20210220D	—	177.293	59.555	10.6	550.0064	0.00197	0.54	0.10
FRB 20210220C	—	182.680	51.762	7.4	1387.0610	0.00393	0.73	0.31
FRB 20210220Bsub 1	—	240.430	42.772	24.9	1104.9112	0.02851	0.67	0.12
FRB 20210220Bsub 2	—	240.430	42.772	24.9	1104.9112	0.02851	0.67	0.12
FRB 20210220Bsub 3	—	240.430	42.772	24.9	1104.9112	0.02851	0.67	0.12
FRB 20210221C	—	267.138	89.084	29.8	318.9721	0.00197	2.50	0.99
FRB 20210221B	—	162.866	10.434	32.5	327.8733	0.00197	1.16	0.15
FRB 20210221A	—	16.479	77.538	68.8	349.0953	0.00197	7.93	1.54
FRB 20210222Bsub 1	—	202.901	-1.076	55.9	350.3792	0.01573	17.55	4.80
FRB 20210222Bsub 2	—	202.901	-1.076	55.9	350.3792	0.01573	17.55	4.80
FRB 20210222Bsub 3	—	202.901	-1.076	55.9	350.3792	0.01573	17.55	4.80
FRB 20210222C	—	328.226	66.970	7.0	377.5581	0.00885	0.93	0.87
FRB 20210222A	—	9.916	18.718	16.6	508.7658	0.01868	2.55	0.44
FRB 20210223D	—	71.552	33.982	13.8	378.2064	0.00590	1.34	0.22
FRB 20210223B	—	279.544	46.584	—	—	—	—	—
FRB 20210223A	—	31.494	19.911	50.5	531.0203	0.00197	4.62	1.30
FRB 20210224B	—	110.828	64.410	22.3	353.0245	0.00197	2.19	0.47
FRB 20210224C	—	119.447	18.891	10.8	926.1180	0.00885	3.50	1.00
FRB 20210225B	—	104.322	65.455	10.9	1326.2834	0.01573	1.78	0.46
FRB 20210225A	—	271.857	51.640	115.3	387.8539	0.00590	24.78	6.24
FRB 20210226A	—	323.729	4.520	120.8	380.3997	0.00197	18.66	3.96
FRB 20210227B	—	155.453	45.548	11.9	893.8880	0.00197	1.32	0.89
FRB 20210227A	—	223.594	66.714	8.3	1153.9260	0.00393	1.10	0.27
FRB 20210228A	—	302.624	70.671	20.6	1088.7155	0.06095	4.68	2.97
FRB 20210301D	—	123.676	29.614	12.6	734.6481	0.00492	2.52	0.37
FRB 20210301Csub 1	—	254.818	45.813	97.2	185.3533	0.00983	8.38	2.20
FRB 20210301Csub 2	—	254.818	45.813	97.2	185.3533	0.00983	8.38	2.20
FRB 20210302J	—	117.383	81.218	17.4	850.9301	0.01573	4.29	1.20
FRB 20210302F	—	123.363	25.844	291.5	385.9807	0.00197	39.14	5.85
FRB 20210302D	—	170.155	18.492	12.0	485.2534	0.00197	1.15	0.38
FRB 20210302I	—	199.497	68.371	19.1	2250.1466	0.04424	—	—
FRB 20210302B	—	227.759	38.602	32.9	301.2396	0.00197	1.63	0.22
FRB 20210302H	—	287.552	60.199	12.0	849.9328	0.00393	0.40	0.13
FRB 20210303I	—	75.812	54.054	32.2	929.8239	0.00197	3.37	1.48
FRB 20210303H	—	83.304	37.991	27.9	380.3712	0.00492	5.29	1.09
FRB 20210303G	—	101.273	42.737	13.0	1016.6889	0.00983	0.82	0.11
FRB 20210303K	—	109.339	53.629	13.9	715.5136	0.00197	1.17	0.38
FRB 20210303J	—	117.372	83.056	12.4	772.3361	0.00393	1.79	0.65
FRB 20210303E	—	144.690	43.585	14.9	608.2868	0.01081	0.79	0.07
FRB 20210303D	—	325.909	16.909	17.1	820.5381	0.02163	3.67	0.69
FRB 20210303C	—	15.318	13.146	13.6	348.4325	0.00492	2.86	0.57
FRB 20210304F	—	87.689	16.541	14.2	434.3258	0.00197	1.61	0.51
FRB 20210304E	—	89.911	16.546	59.4	1144.2725	0.00295	10.16	2.33
FRB 20210304Dsub 1	—	151.571	19.981	50.7	423.7043	0.02458	12.37	2.90
FRB 20210304Dsub 2	—	151.571	19.981	50.7	423.7043	0.02458	12.37	2.90
FRB 20210304H	—	22.570	87.418	16.1	209.6914	0.01475	4.92	1.56
FRB 20210304C	—	197.176	32.921	18.1	784.5983	0.00393	2.73	0.78
FRB 20210304G	—	226.223	82.172	10.5	291.9722	0.00295	1.99	0.84
FRB 20210305D	—	110.096	75.444	13.2	1311.2983	0.00786	1.74	0.56
FRB 20210305C	—	167.254	42.962	21.4	242.6993	0.00197	0.33	0.07
FRB 20210305B	—	195.823	66.743	46.1	747.2521	0.12583	—	—
FRB 20210305E	—	8.286	66.949	—	—	—	—	—
FRB 20210306A	—	19.718	84.525	26.3	722.1599	0.00295	3.12	1.33
FRB 20210307C	—	215.809	46.310	11.1	377.4417	0.00590	2.02	0.59
FRB 20210307A	—	257.737	34.447	33.5	2903.7064	0.03244	10.60	4.92
FRB 20210307D	—	273.839	47.369	9.3	1161.6543	0.00295	0.79	0.16
FRB 20210307B	—	17.852	70.202	6.2	1919.7113	0.00885	—	—
FRB 20210308A	—	155.187	26.742	41.8	616.5379	0.00295	5.79	1.12
FRB 20210308B	—	304.201	64.945	14.9	211.7961	0.00197	0.63	0.24
FRB 20210309E	—	142.175	30.589	57.7	402.4753	0.03539	16.26	2.32
FRB 20210309D	—	214.187	58.760	150.2	134.0828	0.00197	13.00	1.93
FRB 20210309C	—	225.128	20.697	37.9	602.8182	0.01671	6.43	2.16
FRB 20210309F	—	0.572	68.956	12.9	546.9690	0.00197	0.82	0.23
FRB 20210309B	—	23.900	28.612	16.3	579.0328	0.00492	2.82	0.98
FRB 20210309A	—	32.412	54.100	61.0	635.0971	0.00295	5.98	2.08
FRB 20210310B	—	172.874	29.151	42.5	779.4023	0.00393	3.65	0.88
FRB 20210310A	—	—	—	23.6	135.4326	0.00197	—	—
FRB 20210311D	—	96.503	21.924	22.5	589.3626	0.00295	—	—
FRB 20210311C	—	120.302	46.276	35.6	344.5928	0.00393	4.38	1.30
FRB 20210311B	—	134.048	21.137	16.5	888.8490	0.00197	1.13	0.25
FRB 20210311E	—	324.482	79.497	12.8	295.2409	0.00197	2.30	1.01
FRB 20210311A	—	249.599	65.060	15.7	1236.4294	0.00983	3.04	0.72
FRB 20210312C	—	58.483	-1.198	24.0	576.0948	0.00197	3.46	0.39
FRB 20210312B	—	79.006	67.432	18.7	358.3072	0.00098	1.54	0.21
FRB 20210312A	—	139.539	71.675	21.6	1212.8471	0.00197	2.48	1.12
FRB 20210313D	—	113.556	87.635	72.5	890.3388	0.00295	7.27	3.15
FRB 20210313C	—	124.920	61.888	29.6	530.4937	0.00197	1.94	0.70
FRB 20210313A	—	206.851	87.651	15.7	402.9486	0.00197	2.26	1.04
FRB 20210314D	—	184.293	74.495	31.8	867.9151	0.00393	4.26	1.07
FRB 20210314C	—	271.194	8.635	27.5	510.6282	0.00197	3.81	1.60
FRB 20210314F	—	274.742	76.267	17.2	928.3926	0.02163	3.64	1.51
FRB 20210314B	—	98.229	75.725	37.3	482.9597	0.00197	4.36	0.89
FRB 20210314E	—	12.561	12.184	15.1	372.4099	0.01475	6.20	1.02
FRB 20210315B	—	181.918	15.740	21.3	525.6202	0.00295	2.13	1.85
FRB 20210315A	—	246.850	78.512	23.5	722.2038	0.02753	5.33	1.19
FRB 20210316B	—	67.793	89.399	18.9	642.3849	0.00295	2.55	1.23
FRB 20210316A	—	224.468	61.353	27.9	862.7680	0.00688	4.47	1.17
FRB 20210320B	—	289.435	78.875	29.0	416.8109	0.00197	1.01	0.47
FRB 20210321C	—	135.260	72.313	12.9	743.0806	0.00197	1.24	0.58
FRB 20210322D	—	119.571	64.804	52.9	160.5418	0.00197	1.82	0.43
FRB 20210322C	—	182.280	74.647	29.6	324.3155	0.00197	0.87	0.20
FRB 20210322E	—	266.223	37.614	13.7	880.0171	0.02851	2.89	1.08
FRB 20210322B	—	286.596	39.158	—	—	—	—	—
FRB 20210323B	—	148.229	53.680	25.6	628.0080	0.00295	2.26	0.57
FRB 20210323D	—	298.551	67.391	10.8	776.3133	0.00492	1.65	0.46
FRB 20210324A	—	196.514	36.548	23.4	963.4392	0.05308	8.46	2.91
FRB 20210325B	—	343.433	46.493	16.0	850.9233	0.03342	2.92	1.88
FRB 20210325A	—	56.051	20.987	—	—	—	—	—
FRB 20210326D	—	283.021	77.558	17.8	1032.0759	0.00590	5.04	1.36
FRB 20210326C	—	295.899	57.434	25.9	298.5955	0.00197	2.36	0.61
FRB 20210326E	—	248.797	84.858	10.3	547.7604	0.00492	2.63	0.46
FRB 20210327E	—	168.689	63.769	16.2	584.8581	0.00197	1.84	0.29
FRB 20210327D	—	73.847	83.120	13.2	864.1639	0.00688	2.01	0.71
FRB 20210328E	—	149.970	43.206	20.7	1049.5092	0.00492	1.06	0.17
FRB 20210328D	—	173.521	63.132	42.4	430.6529	0.00786	7.23	1.61
FRB 20210328F	—	183.001	43.221	11.5	682.8062	0.00197	0.31	0.07
FRB 20210328C	—	213.879	77.684	78.7	1128.2804	0.05603	41.97	8.79
FRB 20210328B	—	215.452	47.475	13.7	702.4867	0.00295	1.19	0.31
FRB 20210329B	—	185.100	57.210	26.5	1312.8971	0.03047	11.18	3.13
FRB 20210329C	—	51.686	20.099	6.5	449.9607	0.00590	1.92	0.42
FRB 20210330C	—	79.350	78.887	28.4	378.5403	0.01278	7.43	1.49
FRB 20210330A	—	113.260	34.467	19.9	607.0814	0.00393	2.45	0.90
FRB 20210330E	—	182.437	63.362	10.2	1421.8089	0.00590	2.08	0.93
FRB 20210330D	—	59.599	20.559	12.2	2279.7416	0.00688	1.98	0.81
FRB 20210331H	—	229.127	59.918	12.1	628.9169	0.00197	0.85	0.37
FRB 20210331G	—	242.158	75.898	13.3	593.3265	0.00197	0.88	0.36
FRB 20210331E	—	275.258	54.744	42.0	712.3400	0.00393	4.73	1.06
FRB 20210402G	—	77.736	75.562	21.2	472.8381	0.05505	5.76	1.32
FRB 20210402F	—	142.475	43.052	16.2	368.9499	0.00295	0.40	0.09
FRB 20210402E	—	158.787	80.368	20.9	1883.7957	0.00197	3.23	2.71
FRB 20210402D	—	247.009	49.358	37.6	720.0099	0.00197	5.44	1.27
FRB 20210402C	—	270.792	24.523	11.7	902.9634	0.00393	1.94	0.53
FRB 20210403F	—	284.431	57.854	58.1	579.8588	0.09634	—	—
FRB 20210403E	—	290.046	66.484	19.7	727.9689	0.00197	1.62	0.56
FRB 20210403D	—	321.564	76.360	15.1	1205.0675	0.00197	1.03	0.51
FRB 20210403C	—	192.514	82.381	36.3	366.1262	0.00197	3.66	1.24
FRB 20210404D	—	305.870	7.287	57.2	295.2353	0.00197	5.33	1.78
FRB 20210406E	—	292.206	71.527	323.6	355.2811	0.00197	67.05	30.28
FRB 20210406F	—	158.793	67.173	9.9	602.8813	0.00492	2.11	1.16
FRB 20210406D	—	335.870	36.472	17.6	520.2830	0.00393	2.51	0.92
FRB 20210406C	—	351.288	47.262	14.0	787.2834	0.00197	1.58	0.41
FRB 20210406B	—	10.182	38.680	12.8	597.7326	0.00197	1.35	0.21
FRB 20210407D	—	186.114	22.202	11.4	614.3746	0.00295	—	—
FRB 20210408E	—	110.132	81.207	20.1	551.5937	0.00786	4.72	1.60
FRB 20210408G	—	109.378	56.353	14.9	456.4748	0.11895	2.03	0.42
FRB 20210408D	—	155.341	28.732	50.9	676.7274	0.00786	12.87	1.92
FRB 20210408C	—	162.723	50.980	16.2	667.7638	0.00197	1.64	0.51
FRB 20210408F	—	17.795	85.293	—	—	—	—	—
FRB 20210408B	—	158.257	84.092	20.0	1434.0861	0.00688	3.70	1.29
FRB 20210408A	—	22.547	19.157	18.7	521.3086	0.00393	3.68	2.47
FRB 20210409D	—	100.665	40.773	13.9	730.2463	0.00983	2.57	0.54
FRB 20210409C	—	103.540	19.931	107.4	516.1517	0.00197	8.01	2.24
FRB 20210409A	—	251.557	69.528	26.0	845.0428	0.03736	—	—
FRB 20210410B	—	268.347	54.747	16.7	403.8952	0.00197	1.63	0.41
FRB 20210410A	—	335.600	82.887	21.1	836.5562	0.00197	2.40	1.06
FRB 20210410E	—	29.638	31.472	14.9	1570.6918	0.03244	—	—
FRB 20210411E	—	129.023	29.207	29.9	2147.9815	0.01376	6.32	1.48
FRB 20210411D	—	194.884	27.156	102.9	1224.5437	0.00492	10.75	2.56
FRB 20210411C	—	274.324	7.775	13.8	632.4075	0.00590	2.91	1.15
FRB 20210412E	—	167.714	50.600	44.1	1589.4854	0.00786	2.66	1.60
FRB 20210412D	—	0.231	36.299	13.4	1508.9833	0.00688	2.79	1.11
FRB 20210412C	—	68.947	22.313	13.6	463.8441	0.00786	3.66	0.41
FRB 20210412B	—	77.461	36.622	76.7	955.7153	0.01769	20.95	7.65
FRB 20210413E	—	178.280	12.029	214.3	313.4489	0.00295	28.52	4.75
FRB 20210413D	—	190.216	56.961	19.8	149.2553	0.00393	1.33	0.39
FRB 20210413Csub 1	—	224.220	52.347	18.0	508.6545	0.00295	1.45	0.55
FRB 20210413Csub 2	—	224.220	52.347	18.0	508.6545	0.00295	1.45	0.55
FRB 20210413B	—	351.817	58.940	—	—	—	—	—
FRB 20210413F	—	357.723	87.989	9.3	277.4681	0.00295	2.16	1.34
FRB 20210413A	—	74.687	71.536	57.2	353.4685	0.00492	10.56	4.56
FRB 20210414D	—	187.984	61.927	19.4	770.9930	0.00197	2.41	1.06
FRB 20210414E	—	220.878	64.302	12.2	829.6788	0.00197	1.07	0.30
FRB 20210414C	—	222.966	25.455	33.1	903.0865	0.01278	9.75	2.26
FRB 20210414B	—	273.835	41.363	23.9	592.9565	0.00983	2.68	0.61
FRB 20210414A	—	45.535	37.131	26.7	875.0558	0.00197	2.52	1.10
FRB 20210415F	—	85.090	64.605	13.7	561.5664	0.00197	1.01	0.51
FRB 20210415E	—	134.861	7.869	18.8	1189.6310	0.00590	4.02	0.26
FRB 20210415D	—	145.165	35.722	—	—	—	—	—
FRB 20210415B	—	175.863	63.363	109.9	555.8540	0.02163	26.63	8.39
FRB 20210415A	—	247.485	-0.486	15.7	834.4783	0.03736	6.38	1.33
FRB 20210416E	—	289.807	41.499	9.8	480.4957	0.00295	1.78	0.53
FRB 20210416C	—	295.902	69.851	23.7	406.7458	0.00197	2.85	1.07

1,751–2,000 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.