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 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 20210226C	FRB20201221B	121.476	48.986	16.4	510.6199	0.03047	3.09	1.07
FRB 20210226B	FRB20190303A	205.529	48.264	16.9	222.8298	0.00688	2.00	0.79
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 20210228B	FRB20201130A	62.718	7.932	21.1	288.8535	0.03932	—	—
FRB 20210228A	—	302.624	70.671	20.6	1088.7155	0.06095	4.68	2.97
FRB 20210301A	FRB20201124A	75.482	26.179	57.6	415.9330	0.06193	12.00	2.21
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 20210301B	FRB20180916B	29.387	65.722	14.7	348.8336	0.00197	1.45	0.29
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 20210302Esub 1	FRB20201221B	126.806	48.823	45.8	510.6352	0.02458	6.03	1.53
FRB 20210302Esub 2	FRB20201221B	126.806	48.823	45.8	510.6352	0.02458	6.03	1.53
FRB 20210302Esub 3	FRB20201221B	126.806	48.823	45.8	510.6352	0.02458	6.03	1.53
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 20210302C	FRB20190303A	207.912	48.260	40.7	221.9626	0.01573	6.03	1.39
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 20210302A	FRB20180916B	29.298	65.724	51.9	349.4455	0.00492	6.72	1.12
FRB 20210302G	FRB20180916B	32.996	65.728	16.7	349.3077	0.00393	1.10	0.23
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 20210303F	FRB20201221B	123.997	48.724	55.3	511.0777	0.02458	9.05	3.12
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 20210303B	FRB20180916B	29.371	65.724	26.7	349.2234	0.00786	2.64	0.61
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 20210304B	FRB20190417A	292.321	59.402	36.6	1378.3114	0.01180	3.67	0.52
FRB 20210304A	FRB20180916B	29.536	65.723	31.0	349.0524	0.00492	3.23	0.85
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 20210305A	FRB20210305A	212.586	77.152	19.2	254.0612	0.00197	0.71	0.23
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 20210308C	FRB20190417A	294.520	59.395	15.7	1379.0421	0.00590	1.83	1.04
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 20210313E	FRB20201221B	124.423	48.829	18.5	510.9633	0.00885	2.04	0.84
FRB 20210313C	—	124.920	61.888	29.6	530.4937	0.00197	1.94	0.70
FRB 20210313B	FRB20200929C	17.250	18.488	47.4	413.9478	0.00590	4.83	1.65
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 20210314A	FRB20200929C	17.217	18.499	26.2	413.5585	0.00492	2.26	0.45
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 20210316C	FRB20191106C	197.390	42.859	43.4	331.8863	0.04424	0.73	0.14
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 20210320A	FRB20180916B	25.054	65.719	22.8	348.7828	0.00492	1.54	0.36
FRB 20210321A	FRB20201124A	76.955	26.191	33.3	412.3164	0.02359	5.53	1.10
FRB 20210321C	—	135.260	72.313	12.9	743.0806	0.00197	1.24	0.58
FRB 20210321B	FRB20210209C	203.518	49.027	14.5	382.4936	0.00492	1.24	0.38
FRB 20210322A	FRB20201124A	77.085	26.193	27.1	412.4777	0.01769	3.26	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 20210322F	FRB20190110C	249.470	41.584	16.2	222.1354	0.00197	1.32	0.46
FRB 20210322E	—	266.223	37.614	13.7	880.0171	0.02851	2.89	1.08
FRB 20210322B	—	286.596	39.158	—	—	—	—	—
FRB 20210323E	FRB20201130A	64.349	7.738	16.8	290.9072	0.01376	2.05	0.32
FRB 20210323A	FRB20201124A	78.208	26.188	40.1	412.0672	0.01769	7.62	1.49
FRB 20210323C	FRB20210323C	116.748	72.458	20.6	288.4173	0.00197	1.99	0.74
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 20210326A	FRB20201124A	76.795	26.183	31.8	413.4471	0.03146	9.39	1.88
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 20210326B	FRB20200929C	15.526	18.483	43.3	413.8901	0.00393	3.92	1.46
FRB 20210326E	—	248.797	84.858	10.3	547.7604	0.00492	2.63	0.46
FRB 20210327F	FRB20201130A	64.502	7.922	38.8	287.4858	0.01180	11.59	3.25
FRB 20210327A	FRB20201124A	75.906	26.189	38.0	416.5035	0.01671	8.06	2.14
FRB 20210327C	FRB20201124A	77.131	26.184	21.2	416.3810	0.01671	3.93	1.69
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 20210328A	FRB20201124A	77.123	26.187	14.3	414.5746	0.03834	1.42	0.79
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 20210329A	FRB20190604A	218.613	53.291	32.1	552.4426	0.00983	3.63	1.10
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 20210330Bsub 1	FRB20210330B	80.352	72.835	33.1	397.3328	0.00590	—	—
FRB 20210330Bsub 2	FRB20210330B	80.352	72.835	33.1	397.3328	0.00590	—	—
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 20210331A	FRB20201124A	76.968	26.194	21.9	417.4642	0.01671	4.34	1.62
FRB 20210331Bsub 1	FRB20201124A	77.079	26.183	31.0	415.8099	0.02261	10.15	2.54
FRB 20210331Bsub 2	FRB20201124A	77.079	26.183	31.0	415.8099	0.02261	10.15	2.54
FRB 20210331C	FRB20201124A	78.798	26.196	19.9	412.8435	0.03637	2.97	0.23
FRB 20210331D	FRB20201124A	78.521	26.196	26.2	414.6215	0.02359	7.30	2.09
FRB 20210331Fsub 1	FRB20210323C	122.083	72.485	53.7	288.5100	0.00885	6.92	2.65
FRB 20210331Fsub 2	FRB20210323C	122.083	72.485	53.7	288.5100	0.00885	6.92	2.65
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 20210402B	FRB20180916B	32.178	65.728	25.0	350.1927	0.00393	1.47	0.81
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 20210404A	FRB20201124A	75.106	26.187	19.2	410.8634	0.04129	6.46	1.66
FRB 20210404E	FRB20190417A	292.640	59.396	18.8	1378.9638	0.00590	2.73	0.53
FRB 20210404D	—	305.870	7.287	57.2	295.2353	0.00197	5.33	1.78
FRB 20210405A	FRB20201124A	77.009	26.190	46.9	413.5623	0.05407	11.29	2.15
FRB 20210405B	FRB20201124A	77.001	26.076	85.7	412.8840	0.01769	18.86	4.62
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 20210406A	FRB20201130A	62.977	7.736	16.8	288.0656	0.00295	2.00	1.26
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 20210409B	FRB20210409B	289.742	75.016	17.6	684.5007	0.01180	4.48	1.44
FRB 20210409A	—	251.557	69.528	26.0	845.0428	0.03736	—	—
FRB 20210410C	FRB20190212A	277.854	81.393	24.7	301.7783	0.00197	3.58	1.07
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 20210411A	FRB20201124A	75.428	26.184	18.9	414.3826	0.04129	—	—
FRB 20210411B	FRB20201124A	77.056	26.187	24.1	412.1536	0.05112	4.91	2.60
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 20210412A	FRB20201124A	75.058	26.187	22.5	411.8624	0.03932	5.05	2.25
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 20210415C	FRB20210219C	353.460	88.026	418.9	526.2996	0.01573	243.54	71.01
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
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 20210421E	FRB20200120E	149.191	68.782	14.0	87.7759	0.00197	1.28	0.49
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 20210423G	FRB20200120E	149.651	68.778	42.1	87.7561	0.00197	3.32	1.38
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 20210424C	FRB20190417A	294.748	59.397	18.4	1378.2986	0.01573	1.95	0.34
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 20210426Bsub 1	FRB20210323C	127.067	72.494	60.7	288.1765	0.00295	6.80	1.59
FRB 20210426Bsub 2	FRB20210323C	127.067	72.494	60.7	288.1765	0.00295	6.80	1.59
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

2,251–2,500 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.