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 20191226C	—	162.841	61.530	34.5	540.3475	0.00098	4.60	1.35
FRB 20191226B	—	172.505	50.590	23.2	1589.5375	0.00492	2.58	0.90
FRB 20191226A	—	245.494	11.858	14.3	1072.2158	0.00197	3.23	0.89
FRB 20191227D	—	339.730	59.339	23.0	1070.0486	0.07864	13.87	3.18
FRB 20191227C	—	358.437	22.246	15.6	541.7740	0.00295	1.48	0.27
FRB 20191227B	—	27.711	53.493	9.0	780.0528	0.01376	4.47	1.58
FRB 20191227E	—	215.979	51.349	21.6	496.6783	0.00197	0.93	0.27
FRB 20191227A	—	107.427	83.705	21.8	275.8636	0.00197	1.08	0.83
FRB 20191228D	—	37.890	22.544	67.9	370.8009	0.01966	41.08	9.83
FRB 20191228C	—	191.906	21.160	11.2	388.7580	0.00393	3.31	1.00
FRB 20191228B	—	218.558	75.064	11.2	1341.1664	0.00393	1.50	0.49
FRB 20191229B	—	349.364	69.375	15.0	938.4482	0.00197	0.79	0.48
FRB 20191229A	—	133.139	8.378	14.2	970.6953	0.00492	1.69	1.35
FRB 20191230D	—	12.723	59.738	42.7	1146.5528	0.01868	16.14	2.97
FRB 20191230C	—	69.696	6.696	20.0	383.9783	0.00393	4.89	2.16
FRB 20191230B	—	219.027	15.242	63.8	1372.7752	0.00295	10.91	3.42
FRB 20191230A	—	291.353	1.177	38.1	567.7689	0.00688	34.01	18.64
FRB 20191231B	—	47.338	62.706	36.2	703.1642	0.00295	3.48	1.45
FRB 20191231A	FRB20190303A	210.051	48.252	22.2	221.7098	0.00786	2.58	1.06
FRB 20200102A	—	273.412	55.528	21.2	885.9889	0.00393	3.39	0.76
FRB 20200105A	—	53.122	80.747	44.5	927.2586	0.00295	15.09	4.84
FRB 20200106C	—	78.803	74.955	36.3	757.8576	0.00197	4.46	1.28
FRB 20200106B	—	97.259	73.706	12.4	1020.1976	0.00197	2.35	0.82
FRB 20200106E	—	142.139	34.106	19.4	343.8417	0.00197	1.62	0.54
FRB 20200106A	—	192.417	5.248	31.3	540.0089	0.00197	9.38	3.16
FRB 20200107B	—	24.408	60.527	16.7	1168.2190	0.03932	4.90	2.14
FRB 20200107A	—	243.637	84.939	37.9	127.9843	0.00197	2.54	1.21
FRB 20200109F	—	149.694	-1.660	16.3	497.7232	0.00295	3.12	2.19
FRB 20200109E	—	164.601	31.699	33.8	1391.3022	0.02556	7.59	2.69
FRB 20200109C	—	66.820	80.781	7.9	542.4472	0.01769	—	—
FRB 20200109B	FRB20190224D	222.748	89.265	21.8	745.3420	0.00786	7.81	3.57
FRB 20200109A	—	322.351	49.229	9.7	809.9501	0.01573	3.36	1.03
FRB 20200110B	—	57.113	22.736	26.5	495.8144	0.00295	0.14	0.14
FRB 20200110A	—	264.191	33.223	15.5	580.3135	0.00197	1.05	0.38
FRB 20200111D	—	102.687	45.071	75.8	532.4382	0.02851	23.65	9.49
FRB 20200111B	—	264.198	33.223	17.0	1979.7657	0.01081	—	—
FRB 20200111A	—	336.283	34.319	20.5	580.8612	0.00492	2.77	1.05
FRB 20200112E	—	67.274	47.724	33.9	913.5675	0.00295	2.52	0.79
FRB 20200112D	—	138.030	70.406	22.2	863.2336	0.00590	3.63	1.94
FRB 20200112C	—	193.804	30.062	14.3	776.4340	0.00393	2.61	0.57
FRB 20200112A	FRB20190303A	207.777	48.254	22.0	221.3881	0.00885	1.13	0.50
FRB 20200112B	—	309.005	77.958	36.5	867.5414	0.00393	6.14	2.05
FRB 20200113C	—	174.860	50.592	20.7	1437.3126	0.00295	2.44	0.95
FRB 20200113B	—	217.942	17.239	36.0	374.3156	0.00197	2.14	0.70
FRB 20200113A	—	307.347	75.769	15.3	632.9441	0.00197	1.33	0.49
FRB 20200114C	—	34.287	72.745	22.2	1349.0225	0.00197	4.33	2.36
FRB 20200114B	—	144.363	39.990	33.0	685.9483	0.00492	1.37	0.42
FRB 20200114A	—	313.738	22.283	72.2	695.4525	0.00197	12.65	3.64
FRB 20200115D	—	87.964	30.952	10.8	376.9750	0.00197	1.44	0.42
FRB 20200115C	—	289.243	80.181	16.8	769.1024	0.02949	8.18	3.44
FRB 20200115B	—	279.412	78.445	12.1	351.7913	0.00197	2.06	0.80
FRB 20200115A	—	185.952	87.637	—	—	—	—	—
FRB 20200116D	—	75.496	4.565	12.1	1104.5863	0.00393	1.70	0.18
FRB 20200116Bsub 1	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 2	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 3	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 4	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 5	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 6	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 7	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 8	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116Bsub 9	—	269.530	85.398	242.0	327.6642	0.01376	60.50	22.01
FRB 20200116A	—	226.523	73.752	10.0	367.2166	0.00885	2.60	1.15
FRB 20200116Esub 1	—	265.674	14.702	110.3	170.9480	0.00197	9.67	4.98
FRB 20200116Esub 2	—	265.674	14.702	110.3	170.9480	0.00197	9.67	4.98
FRB 20200117C	—	135.436	47.845	15.2	893.9921	0.00492	2.23	0.95
FRB 20200117Bsub 1	—	243.076	63.614	56.7	527.9607	0.00688	9.87	3.96
FRB 20200117Bsub 2	—	243.076	63.614	56.7	527.9607	0.00688	9.87	3.96
FRB 20200117A	—	127.692	79.853	41.3	213.4606	0.00197	0.48	0.38
FRB 20200118F	—	357.448	84.723	18.3	495.5826	0.02064	4.28	2.44
FRB 20200118E	—	47.789	61.744	11.0	955.3004	0.00393	2.01	0.76
FRB 20200118Dsub 1	FRB20200118D	106.734	42.747	31.9	625.2320	0.00786	0.95	0.23
FRB 20200118Dsub 2	FRB20200118D	106.734	42.747	31.9	625.2320	0.00786	0.95	0.23
FRB 20200118C	—	129.479	65.310	20.7	308.3697	0.00197	0.67	0.38
FRB 20200118G	—	260.921	64.234	12.8	2215.8103	0.01376	—	—
FRB 20200118B	FRB20190226B	273.286	61.816	34.6	632.4502	0.00393	3.67	1.58
FRB 20200118A	—	159.101	88.172	16.9	919.5620	0.00197	2.01	1.10
FRB 20200119D	—	68.126	10.787	17.3	943.9215	0.00492	2.95	1.18
FRB 20200119C	—	90.346	68.265	21.2	859.6906	0.02458	7.37	3.09
FRB 20200119B	—	130.325	72.081	29.1	198.2194	0.00492	—	—
FRB 20200119A	—	150.065	14.955	13.5	248.0927	0.00590	1.97	0.90
FRB 20200119E	—	202.392	29.236	—	—	—	—	—
FRB 20200120I	—	6.454	39.069	20.9	708.0430	0.00492	4.59	1.44
FRB 20200120A	FRB20180916B	26.188	65.728	32.1	349.3763	0.00590	6.71	2.32
FRB 20200120E	FRB20200120E	146.682	68.763	24.7	87.7694	0.00197	1.59	1.07
FRB 20200120G	—	231.850	28.376	13.8	709.0050	0.00197	1.81	0.84
FRB 20200120F	—	246.906	27.095	22.0	942.0986	0.01573	1.59	0.47
FRB 20200121A	FRB20181017A	255.985	68.281	23.0	1282.0746	0.02949	4.61	1.78
FRB 20200122L	—	134.776	54.433	13.3	400.0489	0.00197	1.16	0.50
FRB 20200122K	—	144.382	49.802	11.9	630.8035	0.00295	2.20	0.78
FRB 20200122Asub 1	FRB20181030A	157.694	73.794	26.0	103.4974	0.00295	1.87	0.64
FRB 20200122Asub 2	FRB20181030A	157.694	73.794	26.0	103.4974	0.00295	1.87	0.64
FRB 20200122Bsub 1	FRB20181030A	158.407	73.797	32.4	103.4667	0.00197	4.40	2.04
FRB 20200122Bsub 2	FRB20181030A	158.407	73.797	32.4	103.4667	0.00197	4.40	2.04
FRB 20200122C	FRB20181030A	158.205	73.796	12.6	103.4696	0.00688	1.64	0.70
FRB 20200122D	FRB20181030A	152.821	73.741	14.1	103.5569	0.00295	0.70	0.45
FRB 20200122E	FRB20181030A	152.901	73.742	10.2	103.3671	0.00295	0.83	0.65
FRB 20200122F	FRB20181030A	158.958	73.743	11.3	103.5368	0.00295	1.52	0.39
FRB 20200122G	FRB20181030A	159.206	73.743	18.6	103.5519	0.00197	2.09	0.88
FRB 20200123A	—	267.322	34.419	12.9	573.1823	0.00393	3.06	1.58
FRB 20200124E	—	82.072	80.657	17.2	649.6047	0.00197	0.39	0.19
FRB 20200124D	—	149.780	-0.429	26.2	2691.2719	0.02949	8.79	3.16
FRB 20200124Asub 1	FRB20190208A	283.361	46.958	29.1	579.9813	0.01769	4.97	2.03
FRB 20200124Asub 2	FRB20190208A	283.361	46.958	29.1	579.9813	0.01769	4.97	2.03
FRB 20200124Asub 3	FRB20190208A	283.361	46.958	29.1	579.9813	0.01769	4.97	2.03
FRB 20200124B	FRB20190417A	294.993	59.396	12.0	1380.3515	0.00885	2.00	0.53
FRB 20200124C	—	324.968	45.347	14.3	381.0971	0.01573	—	—
FRB 20200125E	—	34.107	13.640	13.0	351.7198	0.00590	1.59	0.80
FRB 20200125D	—	133.375	19.350	18.0	1266.5765	0.01081	2.82	1.31
FRB 20200125Csub 1	—	176.409	50.205	26.0	445.0553	0.01081	2.05	0.72
FRB 20200125Csub 2	—	176.409	50.205	26.0	445.0553	0.01081	2.05	0.72
FRB 20200125Csub 3	—	176.409	50.205	26.0	445.0553	0.01081	2.05	0.72
FRB 20200125B	—	251.714	53.236	69.3	512.4243	0.00197	8.17	2.80
FRB 20200126D	—	121.948	14.744	14.9	1045.1235	0.01376	5.90	2.90
FRB 20200126C	—	130.083	26.090	24.7	343.4089	0.00983	3.34	1.27
FRB 20200126B	—	208.520	61.907	12.5	1576.5946	0.00197	2.17	0.52
FRB 20200126A	—	3.459	46.487	12.5	569.8915	0.00197	1.08	0.49
FRB 20200127C	—	132.502	9.898	14.2	150.0987	0.00197	1.78	0.91
FRB 20200127B	FRB20200127B	119.456	86.530	37.8	351.3354	0.00197	5.17	1.69
FRB 20200127A	—	2.384	44.164	29.7	1983.1675	0.01475	12.24	5.01
FRB 20200128B	—	60.762	40.577	88.8	913.9558	0.00197	9.86	3.35
FRB 20200128C	—	156.943	34.122	15.3	401.0074	0.01966	11.00	36.47
FRB 20200128A	—	357.093	27.360	40.2	439.5758	0.00393	7.14	2.45
FRB 20200129B	—	182.172	38.903	17.0	1792.4186	0.00885	3.30	1.11
FRB 20200129A	—	335.081	75.742	26.0	747.7751	0.00197	3.73	1.22
FRB 20200130B	—	81.280	66.217	17.6	904.3366	0.00197	1.77	0.75
FRB 20200130A	—	247.945	80.614	184.7	507.4465	0.00197	26.02	8.93
FRB 20200131A	—	60.179	24.455	37.5	1359.2477	0.00393	3.90	1.36
FRB 20200131B	—	255.400	74.988	25.2	1272.5534	0.09830	3.03	0.52
FRB 20200201B	—	98.614	67.069	21.0	1208.9218	0.00688	—	—
FRB 20200201A	—	280.199	62.991	11.8	362.5367	0.00197	0.83	0.34
FRB 20200202Asub 1	FRB20200202A	24.053	44.189	38.0	722.6433	0.03441	8.49	3.45
FRB 20200202Asub 2	FRB20200202A	24.053	44.189	38.0	722.6433	0.03441	8.49	3.45
FRB 20200202B	—	298.343	77.987	194.4	402.9506	0.00197	24.85	8.88
FRB 20200203A	FRB20180916B	29.489	65.729	14.8	349.7045	0.00393	1.25	0.50
FRB 20200203D	—	163.631	41.252	38.1	180.0043	0.00197	1.95	0.67
FRB 20200203C	—	218.946	49.013	12.8	265.0759	0.00197	2.34	1.01
FRB 20200203E	—	307.446	79.710	16.5	555.8921	0.00197	2.14	0.80
FRB 20200203B	—	318.141	48.787	79.4	744.1776	0.00885	11.13	3.86
FRB 20200203H	—	13.238	70.894	11.8	1187.2955	0.00197	1.35	1.00
FRB 20200204A	—	21.632	72.315	13.6	370.7199	0.00098	1.19	0.59
FRB 20200204Bsub 1	FRB20180916B	28.992	65.728	28.9	349.4256	0.02261	5.63	2.03
FRB 20200204Bsub 2	FRB20180916B	28.992	65.728	28.9	349.4256	0.02261	5.63	2.03
FRB 20200204C	FRB20180916B	29.311	65.732	151.2	349.9342	0.00393	18.65	5.79
FRB 20200204D	FRB20180916B	29.481	65.729	17.6	349.6418	0.00393	2.45	0.79
FRB 20200204E	FRB20180916B	31.980	65.728	19.7	348.7429	0.00197	1.49	0.49
FRB 20200204I	—	104.167	47.015	53.1	805.6207	0.01278	13.85	4.72
FRB 20200204H	—	185.559	83.115	6.8	301.8614	0.01081	1.15	0.42
FRB 20200204K	—	262.996	82.104	11.9	411.3132	0.00688	2.73	0.97
FRB 20200204G	—	288.467	73.672	30.7	456.3639	0.00295	3.74	1.26
FRB 20200204F	—	357.108	-9.282	29.8	420.7662	0.00197	15.37	6.47
FRB 20200205D	—	180.025	44.388	55.3	881.1812	0.00295	4.64	1.91
FRB 20200205C	—	209.110	42.413	15.9	688.8172	0.00197	—	—
FRB 20200205B	—	254.263	22.388	9.8	940.8582	0.00786	1.88	0.94
FRB 20200205A	—	321.100	19.639	12.8	781.6742	0.02556	2.69	1.23
FRB 20200206B	—	195.536	65.934	17.9	389.8073	0.00688	3.56	1.50
FRB 20200206A	—	343.569	82.944	67.2	331.8505	0.00197	10.44	4.56
FRB 20200207Asub 1	—	18.827	85.747	135.0	506.8373	0.00098	16.50	4.97
FRB 20200207Asub 2	—	18.827	85.747	135.0	506.8373	0.00098	16.50	4.97
FRB 20200208A	—	149.468	16.497	22.9	514.7672	0.00393	2.35	0.92
FRB 20200209A	—	143.119	34.103	7.6	714.6280	0.00197	—	—
FRB 20200210Bsub 1	—	52.781	57.813	23.7	1073.1308	0.03637	8.08	2.51
FRB 20200210Bsub 2	—	52.781	57.813	23.7	1073.1308	0.03637	8.08	2.51
FRB 20200212A	—	354.716	84.298	82.5	174.1973	0.00098	13.43	6.44
FRB 20200213E	—	87.007	88.108	16.8	580.5282	0.00197	2.14	0.97
FRB 20200213D	—	294.130	43.056	90.4	563.2049	0.00197	3.10	0.62
FRB 20200213C	FRB20190915D	9.159	46.881	20.1	488.7869	0.01573	2.18	0.78
FRB 20200213B	FRB20190915D	9.477	46.880	19.2	491.0229	0.03834	3.60	1.33
FRB 20200214C	—	199.252	42.769	21.7	219.1387	0.00295	0.74	0.14
FRB 20200214B	FRB20190915D	11.837	46.881	60.4	489.1493	0.02556	11.69	4.01
FRB 20200214A	FRB20190915D	11.973	46.875	35.4	488.1499	0.03244	13.87	3.80
FRB 20200215B	—	95.012	54.762	14.6	311.4309	0.00983	1.61	0.43
FRB 20200215A	FRB20191106C	199.460	42.989	38.0	331.1018	0.03441	1.54	0.42
FRB 20200216B	—	16.147	17.358	16.7	1319.8748	0.00295	2.49	0.81
FRB 20200217A	—	42.236	9.741	41.9	266.2735	0.04620	48.39	17.79
FRB 20200218D	—	206.701	22.458	17.2	176.9194	0.00197	1.15	0.30
FRB 20200218C	—	223.920	51.337	74.2	602.3537	0.00885	10.56	2.82
FRB 20200218B	—	229.555	28.795	30.2	645.9717	0.02261	—	—
FRB 20200218A	—	319.034	24.437	10.3	823.1739	0.00197	1.51	0.45
FRB 20200219C	—	198.702	38.900	32.0	400.3055	0.00197	2.41	0.65
FRB 20200219B	FRB20200127B	118.174	86.530	45.0	351.2646	0.00197	4.95	1.57
FRB 20200220A	FRB20180916B	30.211	65.716	15.4	350.0312	0.01573	1.98	1.16
FRB 20200220I	—	71.919	27.855	27.3	1003.9352	0.01475	—	—
FRB 20200220H	—	172.403	67.545	17.9	393.1322	0.00197	—	—
FRB 20200220G	—	293.664	87.199	12.6	313.3724	0.00197	1.42	0.74
FRB 20200220F	—	341.530	13.632	16.0	383.3289	0.00197	1.44	1.17
FRB 20200220E	—	348.192	89.200	16.4	1500.4899	0.00197	2.91	1.23
FRB 20200221Asub 1	FRB20180916B	33.435	65.604	40.6	349.4187	0.00885	4.80	1.77
FRB 20200221Asub 2	FRB20180916B	33.435	65.604	40.6	349.4187	0.00885	4.80	1.77
FRB 20200221B	—	209.582	42.800	12.4	549.9927	0.00295	0.37	0.07
FRB 20200222E	—	35.004	-1.845	13.2	560.8823	0.00197	2.20	1.41
FRB 20200222D	—	127.557	14.566	295.7	188.0371	0.00197	14.35	5.59
FRB 20200222C	—	179.326	4.699	14.1	491.0036	0.00197	1.74	0.49
FRB 20200222B	—	237.333	39.734	50.8	236.4748	0.00492	6.60	1.68
FRB 20200222A	—	287.494	67.279	27.0	823.1062	0.00590	2.41	0.85
FRB 20200223F	—	42.572	32.321	23.4	202.2471	0.00197	—	—
FRB 20200223E	—	22.245	84.690	125.3	235.9623	0.00197	8.10	3.42
FRB 20200223D	—	250.044	63.409	177.6	239.1757	0.00098	14.04	4.49
FRB 20200223C	—	270.678	69.916	25.0	1065.1000	0.02851	7.44	3.24
FRB 20200223B	FRB20200223B	7.071	29.013	20.5	201.7073	0.00295	1.49	24.40
FRB 20200223A	—	12.805	47.656	13.7	361.3091	0.00197	1.32	0.38
FRB 20200224E	—	37.524	28.218	22.2	303.5963	0.00492	—	—
FRB 20200224A	FRB20180814A	58.654	73.629	15.9	188.2159	0.01180	2.02	0.65
FRB 20200224D	—	243.246	55.199	13.7	447.2513	0.00393	0.65	0.31
FRB 20200224C	—	346.266	33.097	15.4	887.0758	0.00197	—	—
FRB 20200225B	—	49.644	43.816	17.0	1469.6420	0.07668	4.86	1.86
FRB 20200225Asub 1	—	228.262	71.241	77.5	482.5708	0.02458	26.19	10.03
FRB 20200225Asub 2	—	228.262	71.241	77.5	482.5708	0.02458	26.19	10.03
FRB 20200227C	—	269.351	43.884	52.1	216.5462	0.00983	3.98	0.82
FRB 20200227B	—	286.706	28.687	11.8	1366.9726	0.00393	—	—
FRB 20200227A	—	326.668	16.913	19.5	613.8178	0.00197	1.74	0.44
FRB 20200229D	—	148.418	66.333	30.4	790.0077	0.02556	5.46	1.86
FRB 20200229C	—	179.441	67.172	14.4	1753.2789	0.02556	3.76	1.83
FRB 20200229B	—	354.945	-1.240	15.7	824.4300	0.00197	2.88	2.17
FRB 20200229A	—	27.706	66.123	14.9	709.3104	0.01868	2.51	1.05
FRB 20200301A	—	133.299	74.190	18.5	1280.3452	0.01180	5.27	1.59
FRB 20200302Asub 1	FRB20180814A	65.182	73.628	24.8	192.7303	0.01868	2.96	0.91
FRB 20200302Asub 2	FRB20180814A	65.182	73.628	24.8	192.7303	0.01868	2.96	0.91
FRB 20200302E	—	309.654	83.650	16.7	670.5101	0.01868	7.41	3.56
FRB 20200302F	—	149.293	33.706	17.8	1712.3690	0.01278	5.83	1.94
FRB 20200302G	—	148.465	83.995	12.6	928.8609	0.01180	4.82	2.45
FRB 20200302Csub 1	—	231.375	69.575	43.5	379.9732	0.00295	3.74	1.70
FRB 20200302Csub 2	—	231.375	69.575	43.5	379.9732	0.00295	3.74	1.70
FRB 20200302Bsub 1	—	279.588	60.222	40.1	312.6241	0.00492	3.00	0.81
FRB 20200302Bsub 2	—	279.588	60.222	40.1	312.6241	0.00492	3.00	0.81
FRB 20200302H	—	33.937	23.564	15.5	574.9062	0.00197	0.98	0.45
FRB 20200304B	—	114.211	7.308	12.7	410.3629	0.00295	3.24	2.27
FRB 20200304A	—	333.477	88.657	19.3	514.2083	0.01081	7.35	4.42
FRB 20200305B	—	47.744	-9.119	111.4	709.8532	0.00197	27.56	14.72
FRB 20200305A	FRB20191113C	137.530	40.056	25.3	618.4080	0.00492	2.39	1.08
FRB 20200306A	—	113.572	61.816	44.5	266.4741	0.00197	2.45	0.83
FRB 20200306B	—	240.233	52.085	104.0	391.4595	0.05997	34.08	10.19
FRB 20200306C	—	250.337	-1.112	18.6	337.2226	0.00197	10.20	3.23
FRB 20200307C	—	134.038	50.948	60.1	402.3000	0.00197	7.77	1.96
FRB 20200307B	—	157.154	33.316	21.3	328.3671	0.00590	—	—
FRB 20200308D	—	159.183	4.156	14.9	166.9018	0.00492	3.80	1.24
FRB 20200308C	—	168.790	-9.053	18.4	287.6958	0.00197	3.32	1.47
FRB 20200308B	FRB20200308B	271.944	22.346	16.3	217.8395	0.00885	5.18	1.25
FRB 20200308A	—	353.038	26.524	28.9	437.2760	0.00295	4.78	1.20
FRB 20200309B	—	113.787	38.863	28.8	327.2868	0.00197	1.86	0.71
FRB 20200309A	—	175.122	49.288	14.2	1629.1372	0.02753	—	—
FRB 20200310A	—	141.381	29.634	17.3	520.9901	0.00197	2.95	0.81
FRB 20200311D	—	102.960	50.501	21.9	510.8071	0.00786	3.95	0.95
FRB 20200311C	—	175.601	72.956	24.4	686.7028	0.00786	—	—
FRB 20200311E	—	197.885	65.774	50.5	335.3374	0.02556	17.00	7.36
FRB 20200311B	—	238.976	37.243	47.3	316.4098	0.00590	5.43	0.98
FRB 20200311A	—	31.016	52.583	27.6	821.5985	0.00197	5.32	1.85
FRB 20200312A	FRB20190915D	9.597	46.879	20.3	488.5963	0.01573	2.83	0.80
FRB 20200313Csub 1	FRB20190915D	11.707	46.881	42.4	489.0475	0.06095	12.49	2.89
FRB 20200313Csub 2	FRB20190915D	11.707	46.881	42.4	489.0475	0.06095	12.49	2.89

1,001–1,250 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.