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 20210815A	—	35.924	23.020	42.2	637.6328	0.00393	2.71	0.80
FRB 20210816D	—	337.556	9.208	7.5	357.2196	0.00295	2.04	0.97
FRB 20210816C	—	2.712	86.669	15.2	567.0752	0.00492	—	—
FRB 20210816A	—	72.406	34.789	16.5	587.7413	0.00492	2.91	1.04
FRB 20210817B	—	313.978	50.787	19.6	483.0736	0.00197	4.14	1.36
FRB 20210817A	—	19.526	88.410	99.3	223.9930	0.00197	7.79	2.44
FRB 20210818A	—	177.647	79.476	10.8	188.4503	0.00295	1.36	0.37
FRB 20210819A	—	176.065	30.005	282.2	362.1777	0.00197	38.88	12.20
FRB 20210820A	—	187.645	76.394	18.9	643.8462	0.00197	1.75	0.34
FRB 20210821B	—	227.302	57.965	9.1	616.1179	0.00393	—	—
FRB 20210821A	—	337.380	25.853	11.5	634.3385	0.00393	1.50	0.87
FRB 20210822C	—	336.637	50.777	134.3	692.4070	0.00197	18.58	5.09
FRB 20210822B	—	143.419	60.462	66.3	368.4583	0.01671	19.94	7.86
FRB 20210822D	—	188.119	38.125	10.3	1431.6515	0.00688	2.03	0.57
FRB 20210823D	—	223.637	78.547	15.1	466.3702	0.00688	4.15	1.34
FRB 20210823B	—	177.107	56.456	79.4	1479.9931	0.00492	8.41	2.52
FRB 20210823Asub 1	—	199.240	81.281	76.8	450.0834	0.01278	12.82	5.95
FRB 20210823Asub 2	—	199.240	81.281	76.8	450.0834	0.01278	12.82	5.95
FRB 20210823Asub 3	—	199.240	81.281	76.8	450.0834	0.01278	12.82	5.95
FRB 20210824A	—	222.482	62.307	21.0	570.1391	0.00197	2.26	0.82
FRB 20210825B	—	321.536	6.648	19.9	281.5288	0.00786	10.14	3.28
FRB 20210825A	—	6.884	19.335	17.3	626.5961	0.02753	—	—
FRB 20210826B	—	241.931	27.114	24.9	1205.3322	0.00492	2.48	1.54
FRB 20210826A	—	198.690	81.282	18.2	1012.6938	0.00197	1.82	0.54
FRB 20210827B	—	245.860	17.965	20.2	416.8888	0.00492	4.02	1.99
FRB 20210827E	—	282.918	73.665	15.3	365.8449	0.00983	2.12	0.16
FRB 20210827D	—	347.195	38.284	10.7	609.1847	0.00197	1.18	0.52
FRB 20210827C	—	96.818	56.717	10.8	1468.0532	0.00590	2.44	1.06
FRB 20210827A	—	140.116	43.199	96.7	266.2425	0.00295	2.91	0.79
FRB 20210828B	—	265.046	-0.541	25.1	507.3902	0.00197	8.16	2.43
FRB 20210828A	—	132.974	57.191	134.2	313.9166	0.00295	20.78	6.80
FRB 20210829B	—	19.756	12.660	23.8	193.3669	0.00197	1.03	0.31
FRB 20210829A	—	117.239	54.129	36.6	801.9542	0.00983	2.70	1.23
FRB 20210829D	—	168.810	61.938	11.1	1150.0704	0.00786	—	—
FRB 20210829C	—	186.357	60.357	13.1	400.8686	0.00197	0.57	0.16
FRB 20210830G	—	287.579	35.320	55.7	373.0933	0.00197	6.87	2.61
FRB 20210830F	—	90.409	24.091	28.2	645.5012	0.00492	5.40	1.18
FRB 20210830E	—	95.019	75.854	19.4	845.1889	0.00492	—	—
FRB 20210830D	—	103.712	57.520	37.3	714.2586	0.00492	3.81	1.16
FRB 20210830C	—	186.068	42.055	18.2	622.5209	0.00197	1.13	0.99
FRB 20210830Bsub 1	—	189.812	25.487	31.3	774.1413	0.05014	2.72	0.17
FRB 20210830Bsub 2	—	189.812	25.487	31.3	774.1413	0.05014	2.72	0.17
FRB 20210831A	—	2.146	33.894	26.8	766.6817	0.00197	2.93	1.24
FRB 20210901D	—	233.477	12.177	19.0	499.4253	0.00393	0.54	0.18
FRB 20210901C	—	334.372	71.976	24.3	390.7343	0.00492	1.23	0.27
FRB 20210901B	—	69.036	29.084	6.7	2043.9832	0.00590	1.45	0.38
FRB 20210901Asub 1	—	122.012	34.963	38.7	453.7477	0.00786	6.94	2.46
FRB 20210901Asub 2	—	122.012	34.963	38.7	453.7477	0.00786	6.94	2.46
FRB 20210902A	—	268.910	49.098	41.0	434.8556	0.00197	1.27	0.50
FRB 20210903C	—	328.065	-9.258	15.4	302.9326	0.00197	—	—
FRB 20210903B	—	32.049	70.839	15.7	2178.5700	0.00688	4.44	1.32
FRB 20210903A	—	35.670	40.650	15.3	1206.4622	0.00393	2.57	0.62
FRB 20210905B	—	29.637	23.125	—	—	—	—	—
FRB 20210905A	—	289.805	88.326	33.6	614.9960	0.00393	6.15	2.44
FRB 20210906B	—	252.583	36.261	29.3	431.4107	0.00393	4.42	1.72
FRB 20210906A	—	293.628	21.442	15.4	1404.6718	0.00590	5.63	1.73
FRB 20210906C	—	138.290	20.258	48.9	718.9021	0.03834	—	—
FRB 20210907A	—	122.618	54.796	33.6	349.5839	0.03342	5.71	1.07
FRB 20210907B	—	219.360	73.787	11.4	618.5827	0.00393	—	—
FRB 20210908C	—	0.608	64.095	27.3	703.1514	0.00492	6.00	1.14
FRB 20210908B	—	23.117	52.717	184.2	254.1330	0.00197	16.23	5.24
FRB 20210908A	—	130.834	49.507	46.4	550.0842	0.00098	2.97	0.59
FRB 20210909B	—	336.443	-6.507	370.2	426.7109	0.00197	87.37	29.54
FRB 20210909A	—	173.533	21.604	18.6	889.5943	0.00295	2.76	0.67
FRB 20210910C	—	235.916	10.077	24.6	854.5165	0.00492	8.84	2.63
FRB 20210910B	—	137.406	61.910	38.4	865.8422	0.00295	4.19	1.62
FRB 20210910A	—	201.948	52.534	16.6	1299.0518	0.01769	6.51	2.14
FRB 20210911D	—	251.962	78.052	26.0	763.2573	0.00197	—	—
FRB 20210911C	—	264.100	21.505	23.8	892.8067	0.00197	2.49	1.00
FRB 20210911B	—	94.427	50.100	23.2	348.5215	0.01081	3.53	0.55
FRB 20210911A	—	152.695	24.631	15.6	348.7136	0.00197	0.81	0.28
FRB 20210912B	—	232.030	7.977	65.0	604.3030	0.01180	40.84	14.19
FRB 20210913B	—	246.757	77.624	16.3	688.5074	0.00197	2.17	0.53
FRB 20210913A	—	85.125	55.915	13.8	1019.0301	0.01376	3.70	1.13
FRB 20210914C	—	287.552	25.755	22.5	952.8949	0.00197	3.61	0.95
FRB 20210914B	—	311.122	16.468	13.6	916.0006	0.00197	2.46	0.64
FRB 20210914A	—	83.386	45.050	26.2	532.1146	0.00197	1.95	1.02
FRB 20210915A	—	2.186	77.901	12.5	1922.3890	0.00983	5.31	0.56
FRB 20210916B	—	270.873	28.305	26.0	332.4329	0.00197	1.33	0.70
FRB 20210916A	—	83.008	24.498	21.2	854.7345	0.00295	4.91	1.79
FRB 20210917B	—	114.261	38.445	9.3	1473.3773	0.00688	1.35	0.35
FRB 20210917A	—	184.026	20.287	12.4	1078.0206	0.00197	1.97	1.08
FRB 20210919A	—	249.717	57.128	18.9	981.6835	0.00393	1.60	0.58
FRB 20210920E	—	246.332	45.487	—	—	—	—	—
FRB 20210920D	—	50.669	32.322	11.9	1201.2534	0.00983	5.38	1.74
FRB 20210920B	—	270.094	82.000	23.9	1131.2563	0.00295	4.45	1.53
FRB 20210920A	—	135.776	17.539	25.2	435.5334	0.00098	2.26	0.55
FRB 20210921C	—	204.572	73.757	10.8	888.5558	0.00295	—	—
FRB 20210921B	—	27.092	74.241	11.6	229.5842	0.10813	1.25	1.00
FRB 20210922D	—	33.645	89.518	57.4	184.0486	0.01180	19.80	6.65
FRB 20210922C	—	45.155	22.251	335.3	262.4532	0.02064	175.18	35.06
FRB 20210922E	—	52.494	22.292	138.9	976.3770	0.00590	37.75	8.02
FRB 20210922B	—	118.061	56.239	16.1	157.6758	0.00786	2.12	0.78
FRB 20210922A	—	171.828	47.880	16.4	1260.6176	0.00197	0.98	0.55
FRB 20210923C	—	323.079	48.443	12.5	762.4363	0.01081	2.68	0.87
FRB 20210923B	—	34.082	41.021	45.6	301.8832	0.00098	3.02	0.65
FRB 20210923A	—	106.665	61.856	190.4	392.7513	0.00786	42.34	14.12
FRB 20210924A	—	181.860	48.987	113.8	952.6449	0.00295	9.90	3.21
FRB 20210925Fsub 1	—	305.880	56.236	16.2	495.5137	0.01769	2.73	0.59
FRB 20210925Fsub 2	—	305.880	56.236	16.2	495.5137	0.01769	2.73	0.59
FRB 20210925B	—	47.020	33.938	26.4	1027.0010	0.00393	1.90	0.96
FRB 20210925A	—	79.201	55.700	278.1	264.6063	0.00197	10.09	2.04
FRB 20210925E	—	85.883	49.304	13.8	523.4609	0.00393	0.83	0.65
FRB 20210926A	—	101.126	80.645	61.2	784.1480	0.00197	4.53	1.28
FRB 20210926B	—	121.961	66.280	56.9	812.5143	0.00983	—	—
FRB 20210927A	—	290.922	68.631	22.4	329.5019	0.00492	2.66	0.89
FRB 20210927C	—	37.575	26.545	12.1	707.8901	0.00295	1.23	0.44
FRB 20210927B	—	119.636	14.272	10.8	803.5979	0.09241	1.10	0.25
FRB 20210928B	—	314.454	24.006	12.8	286.9228	0.00197	1.78	0.65
FRB 20210928A	—	40.294	87.479	18.6	368.1122	0.00197	1.92	0.71
FRB 20210929B	—	181.346	16.639	141.3	664.1446	0.00295	8.64	3.84
FRB 20210929D	—	206.582	48.266	13.2	541.5954	0.00197	0.60	0.09
FRB 20210929A	—	225.579	45.127	20.3	320.4401	0.00885	3.74	1.57
FRB 20210930C	—	289.004	75.802	20.9	692.1766	0.00197	1.74	0.45
FRB 20210930B	—	143.865	86.054	22.6	374.5498	0.00885	4.93	2.49
FRB 20210930F	—	31.731	44.607	427.3	290.8168	0.00197	35.94	12.82
FRB 20211001E	—	265.395	43.898	10.4	313.3622	0.00197	0.60	0.16
FRB 20211001B	—	51.300	55.627	294.7	378.6691	0.00197	24.67	6.87
FRB 20211001D	—	164.172	-5.496	13.3	555.5518	0.00393	4.15	1.74
FRB 20211001F	—	225.175	46.300	7.1	331.9771	0.00295	0.73	0.41
FRB 20211001C	—	227.582	86.421	12.2	407.5427	0.00786	2.70	0.98
FRB 20211002B	—	307.299	-0.601	4.1	368.7281	0.00295	1.23	0.57
FRB 20211002A	—	313.818	86.238	21.6	445.7081	0.00197	2.73	0.91
FRB 20211003G	—	269.204	72.828	25.0	141.3638	0.00197	2.61	0.81
FRB 20211003F	—	350.885	21.963	11.9	535.9160	0.00688	—	—
FRB 20211003E	—	70.661	31.134	21.5	861.9217	0.00197	—	—
FRB 20211003Dsub 1	—	118.783	23.300	41.6	780.3025	0.00197	4.67	1.45
FRB 20211003Dsub 2	—	118.783	23.300	41.6	780.3025	0.00197	4.67	1.45
FRB 20211003C	—	169.557	32.359	25.0	213.9818	0.00590	2.28	0.71
FRB 20211003B	—	173.530	87.879	41.0	544.2518	0.00197	3.53	1.27
FRB 20211003A	—	241.182	31.030	26.0	320.7350	0.00197	3.58	0.70
FRB 20211004E	—	271.043	59.450	105.4	555.9242	0.00197	12.36	1.73
FRB 20211004C	—	174.074	85.321	18.4	1463.9456	0.00393	2.39	0.79
FRB 20211004B	—	175.865	37.726	7.2	445.8106	0.00393	0.61	0.09
FRB 20211004A	—	187.292	20.735	22.4	391.9453	0.00197	0.93	0.46
FRB 20211005C	—	—	—	13.2	372.7354	0.00197	—	—
FRB 20211005Bsub 1	—	207.149	56.540	34.5	558.5170	0.03342	6.59	2.57
FRB 20211005Bsub 2	—	207.149	56.540	34.5	558.5170	0.03342	6.59	2.57
FRB 20211005Bsub 3	—	207.149	56.540	34.5	558.5170	0.03342	6.59	2.57
FRB 20211005Bsub 4	—	207.149	56.540	34.5	558.5170	0.03342	6.59	2.57
FRB 20211005A	—	236.119	20.806	393.7	226.1458	0.00197	66.74	22.24
FRB 20211006F	—	256.758	54.768	11.9	506.1645	0.00492	1.89	0.49
FRB 20211006E	—	296.169	13.205	20.6	503.0771	0.00393	2.28	0.83
FRB 20211006D	—	3.534	6.618	98.2	474.4537	0.12583	—	—
FRB 20211006C	—	74.413	-7.034	8.5	956.1659	0.01278	5.21	1.76
FRB 20211006B	—	133.635	73.329	53.8	310.2528	0.00197	4.70	1.75
FRB 20211006A	—	165.067	41.840	213.7	276.4667	0.00492	43.69	8.11
FRB 20211006G	—	208.888	56.021	18.4	170.0624	0.01376	2.04	0.32
FRB 20211007A	—	172.466	46.726	12.0	1031.7811	0.01376	3.96	1.83
FRB 20211008E	—	339.659	50.748	37.2	257.4196	0.00197	2.09	0.78
FRB 20211008D	—	19.905	40.246	34.6	256.4199	0.00197	2.64	0.47
FRB 20211008C	—	35.298	14.586	23.1	1035.8012	0.00197	1.89	0.65
FRB 20211008F	—	99.242	81.176	10.5	1033.4167	0.00688	2.13	0.43
FRB 20211008B	—	117.860	15.218	12.6	927.5654	0.02359	3.16	0.54
FRB 20211008A	—	238.749	43.549	17.5	455.8693	0.00786	0.43	0.16
FRB 20211009A	—	68.807	44.445	21.2	785.8031	0.00197	1.50	0.49
FRB 20211010B	—	24.059	62.507	6.1	430.1355	0.00295	—	—
FRB 20211010A	—	165.336	49.921	64.7	612.4508	0.00197	4.50	1.30
FRB 20211011B	—	33.245	2.277	9.6	375.0682	0.00983	6.82	3.56
FRB 20211011C	—	101.792	52.448	11.6	907.9958	0.00393	2.18	0.71
FRB 20211011D	—	175.572	48.281	6.8	723.1490	0.00295	0.79	0.23
FRB 20211011A	—	201.252	58.387	12.2	633.0551	0.05308	6.43	1.14
FRB 20211012D	—	111.122	38.050	36.3	533.4335	0.02753	10.64	1.72
FRB 20211012C	—	201.353	69.618	23.8	685.8323	0.00197	2.04	0.80
FRB 20211012B	—	210.329	18.930	65.8	695.4504	0.00295	4.60	1.42
FRB 20211012A	—	215.702	39.674	26.4	1165.5844	0.01376	4.33	0.58
FRB 20211013C	—	264.181	82.554	44.2	1733.9830	0.00393	7.66	2.97
FRB 20211013B	—	346.999	53.079	13.7	543.6558	0.01475	5.94	1.60
FRB 20211013D	—	54.430	33.542	14.3	1091.2883	0.00295	1.71	0.50
FRB 20211013A	—	66.149	41.094	28.7	983.2997	0.01376	7.01	0.77
FRB 20211014C	—	7.538	2.831	12.0	438.5763	0.00295	0.60	0.10
FRB 20211014A	—	228.369	46.268	23.0	412.6230	0.00197	1.80	0.61
FRB 20211015C	—	25.598	66.122	18.5	861.0045	0.00197	3.53	1.15
FRB 20211015B	—	239.480	73.372	65.5	504.5361	0.03932	35.23	8.42
FRB 20211015A	—	139.366	40.060	23.6	565.1380	0.01376	3.02	0.59
FRB 20211020A	—	145.490	-4.586	21.0	259.7871	0.00295	6.91	2.30
FRB 20211021B	—	62.963	70.692	12.1	670.4096	0.00295	1.12	0.39
FRB 20211021A	—	101.680	74.975	32.4	282.6737	0.00197	1.31	0.22
FRB 20211022C	—	357.477	22.243	27.5	1234.8967	0.00197	4.53	0.94
FRB 20211022B	—	181.296	62.337	24.1	634.3342	0.03441	9.95	3.26
FRB 20211022A	—	236.823	68.744	22.1	997.5797	0.00295	3.15	1.35
FRB 20211023A	—	328.695	74.445	20.1	528.5446	0.02556	4.28	1.49
FRB 20211024A	—	160.217	9.936	17.7	1201.4113	0.00295	6.13	1.31
FRB 20211025B	—	68.592	76.227	12.9	415.5005	0.01475	4.53	1.18
FRB 20211025A	—	142.826	83.305	45.4	976.7351	0.00393	4.15	1.09
FRB 20211026A	—	308.016	73.614	16.2	2184.9891	0.00786	5.25	1.79
FRB 20211027A	—	322.081	66.972	10.5	666.7919	0.00492	2.18	0.43
FRB 20211028A	—	12.333	43.653	37.4	1128.2183	0.00197	1.90	0.45
FRB 20211030B	—	132.577	47.848	10.5	833.2392	0.00295	1.76	0.60
FRB 20211031B	—	54.425	12.222	21.7	1472.9858	0.02458	3.42	1.19
FRB 20211031A	—	235.544	7.023	—	—	—	—	—
FRB 20211101A	—	230.192	75.497	53.1	1167.7891	0.06390	1.87	0.32
FRB 20211102D	—	302.502	67.798	136.7	1084.0861	0.00197	22.10	6.96
FRB 20211102C	—	308.583	84.164	223.3	169.5157	0.00197	21.97	7.24
FRB 20211102B	—	127.944	51.652	50.4	448.4660	0.00393	3.83	1.28
FRB 20211102Esub 1	—	356.926	84.940	29.3	250.7183	0.00885	4.98	2.13
FRB 20211102Esub 2	—	356.926	84.940	29.3	250.7183	0.00885	4.98	2.13
FRB 20211102A	—	179.320	53.699	29.3	862.5622	0.00197	2.92	1.09
FRB 20211103E	—	300.838	-8.480	12.5	505.4155	0.00197	3.45	1.28
FRB 20211103C	—	305.650	7.713	14.9	785.1758	0.00197	2.47	0.93
FRB 20211103D	—	327.647	63.713	11.8	711.0857	0.00688	2.83	1.00
FRB 20211103A	—	153.322	46.293	38.4	667.3522	0.03146	7.08	1.84
FRB 20211104E	—	337.974	33.095	17.3	461.8574	0.00492	1.13	0.77
FRB 20211104D	—	7.872	-7.796	130.9	278.9302	0.00492	75.33	26.65
FRB 20211104C	—	92.904	52.820	10.2	2586.2153	0.00393	2.05	1.25
FRB 20211104F	—	6.136	84.189	—	—	—	—	—
FRB 20211104A	—	243.659	53.432	25.8	958.9074	0.00393	1.36	0.67
FRB 20211105E	—	53.733	42.604	33.9	474.9426	0.07176	4.09	1.11
FRB 20211105D	—	149.303	44.769	12.6	416.1243	0.00393	1.98	0.83
FRB 20211105C	—	138.058	87.358	35.2	321.8878	0.00197	5.72	2.54
FRB 20211105B	—	155.566	65.551	24.3	511.4836	0.00197	3.28	1.04
FRB 20211105A	—	153.944	23.971	238.9	164.3386	0.00197	27.46	6.85
FRB 20211106B	—	35.361	87.171	32.7	284.6477	0.00197	2.71	0.83
FRB 20211106A	—	328.183	80.973	25.5	710.1655	0.00492	8.15	3.14
FRB 20211107C	—	122.243	46.682	122.1	344.6566	0.00197	12.09	3.70
FRB 20211107B	—	208.403	11.924	20.1	542.7545	0.00197	4.13	1.23
FRB 20211107A	—	264.770	50.818	82.7	1028.0612	0.00197	7.72	2.05
FRB 20211108B	—	288.966	36.380	11.6	803.2613	0.00393	2.73	1.03
FRB 20211108Asub 1	—	338.845	29.023	36.7	1021.2429	0.01475	10.81	2.98
FRB 20211108Asub 2	—	338.845	29.023	36.7	1021.2429	0.01475	10.81	2.98
FRB 20211109A	—	157.538	37.325	15.8	594.8370	0.00197	1.05	0.19
FRB 20211110A	—	275.937	39.569	9.7	1300.0590	0.00295	1.07	0.57
FRB 20211111C	—	345.128	46.097	15.0	285.7999	0.00197	0.84	0.41
FRB 20211111B	—	98.173	42.280	78.2	1150.9810	0.00393	8.09	1.80
FRB 20211112D	—	30.918	85.253	21.6	452.0194	0.00590	10.41	3.51
FRB 20211112C	—	34.051	9.555	39.1	417.3650	0.00197	2.69	0.65
FRB 20211112E	—	81.923	70.312	7.0	741.1318	0.00983	1.54	0.58
FRB 20211112Bsub 1	—	222.089	6.294	21.9	1186.8370	0.00590	4.72	0.57
FRB 20211112Bsub 2	—	222.089	6.294	21.9	1186.8370	0.00590	4.72	0.57
FRB 20211112A	—	248.566	37.251	18.2	354.2845	0.00197	2.00	0.58
FRB 20211113B	—	139.146	11.374	105.0	422.1292	0.00197	14.06	2.74
FRB 20211113A	—	248.796	66.261	37.2	1467.8813	0.00197	5.74	1.87
FRB 20211115Asub 1	—	124.599	1.286	27.1	188.7460	0.00983	7.36	2.79
FRB 20211115Asub 2	—	124.599	1.286	27.1	188.7460	0.00983	7.36	2.79
FRB 20211115C	—	197.278	66.759	31.3	1727.1570	0.06291	10.75	4.49
FRB 20211116Csub 1	—	330.122	22.253	38.3	885.4109	0.01180	3.77	0.38
FRB 20211116Csub 2	—	330.122	22.253	38.3	885.4109	0.01180	3.77	0.38
FRB 20211116Csub 3	—	330.122	22.253	38.3	885.4109	0.01180	3.77	0.38
FRB 20211116B	—	317.417	89.002	51.9	833.4316	0.00295	10.15	2.90
FRB 20211116A	—	50.769	26.136	20.6	774.9938	0.00393	1.23	0.25
FRB 20211117F	—	303.391	61.749	14.4	1020.5236	0.00197	1.12	0.41
FRB 20211117C	—	17.978	33.748	55.8	493.5400	0.01376	10.17	2.97
FRB 20211117B	—	138.398	46.695	19.4	944.4811	0.01376	2.59	0.67
FRB 20211117D	—	359.331	85.584	15.1	256.4426	0.00197	1.04	0.30
FRB 20211117A	—	212.829	44.761	19.8	409.9660	0.06881	4.91	1.86
FRB 20211118C	—	318.884	10.721	—	—	—	—	—
FRB 20211118A	—	57.574	12.226	62.1	487.8162	0.00197	7.25	1.22
FRB 20211119Bsub 1	—	70.301	8.768	60.1	478.9008	0.01475	17.42	8.65
FRB 20211119Bsub 2	—	70.301	8.768	60.1	478.9008	0.01475	17.42	8.65
FRB 20211119Bsub 3	—	70.301	8.768	60.1	478.9008	0.01475	17.42	8.65

2,251–2,500 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.