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 20201030C	—	52.877	29.879	7.4	974.1120	0.00393	1.12	0.49
FRB 20201030A	—	277.858	53.958	77.9	696.5898	0.00197	6.92	3.05
FRB 20201031C	—	345.429	85.955	26.0	901.7354	0.00197	3.29	1.08
FRB 20201031B	—	194.799	24.661	90.1	819.5737	0.00492	18.73	5.05
FRB 20201031A	—	204.710	75.079	20.9	459.5356	0.00393	4.12	1.50
FRB 20201031D	—	224.670	69.590	6.6	1486.4591	0.00492	1.34	0.87
FRB 20201101B	—	127.151	29.202	25.2	141.6397	0.00197	1.74	0.67
FRB 20201101A	—	188.446	59.172	14.3	406.5948	0.00295	1.16	0.37
FRB 20201102C	—	291.624	29.633	57.6	673.5962	0.00197	6.94	1.93
FRB 20201102Bsub 1	—	296.113	3.658	224.9	411.4217	0.00885	97.73	42.09
FRB 20201102Bsub 2	—	296.113	3.658	224.9	411.4217	0.00885	97.73	42.09
FRB 20201102Bsub 3	—	296.113	3.658	224.9	411.4217	0.00885	97.73	42.09
FRB 20201102A	—	150.998	61.133	12.1	844.5699	0.00295	0.24	0.19
FRB 20201103C	—	36.112	34.113	98.0	525.9168	0.03047	47.79	16.90
FRB 20201103B	—	118.423	69.973	14.4	1121.0791	0.03146	2.46	0.93
FRB 20201104B	—	332.948	-2.844	21.6	364.1550	0.00197	4.56	2.79
FRB 20201104A	—	39.397	54.527	30.7	320.4877	0.00295	2.17	0.80
FRB 20201105C	—	339.244	41.827	11.7	572.6051	0.00197	1.16	0.45
FRB 20201105B	—	—	—	15.9	262.3257	0.00590	—	—
FRB 20201105A	—	42.704	15.549	12.7	581.4725	0.00197	0.92	0.37
FRB 20201105D	—	63.821	55.636	73.2	695.6036	0.00492	6.01	1.74
FRB 20201107B	—	59.696	39.524	17.2	528.0740	0.00295	0.65	0.23
FRB 20201107A	—	250.943	57.529	25.2	657.8787	0.00295	2.67	1.26
FRB 20201108C	—	30.791	39.995	16.8	1267.6464	0.00197	1.02	0.36
FRB 20201108B	—	146.052	34.516	17.1	987.5214	0.00197	2.47	1.22
FRB 20201108A	—	256.069	58.409	70.6	402.9735	0.00295	6.71	1.89
FRB 20201109B	—	86.130	49.715	31.6	687.9688	0.00197	3.89	1.12
FRB 20201109A	—	198.602	3.062	10.6	752.0264	0.00197	1.98	1.25
FRB 20201110B	—	92.934	26.643	10.8	765.8488	0.03244	2.19	0.98
FRB 20201110A	—	141.773	51.737	18.5	1142.3893	0.00295	1.08	0.38
FRB 20201111B	—	86.346	18.823	21.1	424.2461	0.00197	1.15	0.65
FRB 20201112B	—	63.655	81.106	20.0	1728.5447	0.00197	4.24	1.43
FRB 20201112A	—	115.210	70.798	14.2	320.7397	0.00393	3.27	1.73
FRB 20201113B	—	337.184	46.874	32.2	374.3140	0.00197	3.52	1.32
FRB 20201113A	—	131.942	55.996	10.3	378.1355	0.01868	2.38	0.55
FRB 20201115B	—	214.073	89.239	10.7	763.2717	0.00983	6.15	2.67
FRB 20201115A	—	145.455	39.832	79.7	304.8988	0.00590	7.49	2.10
FRB 20201116A	—	216.676	67.553	32.4	343.8848	0.00197	3.69	1.19
FRB 20201117A	—	186.055	41.660	15.3	1322.4620	0.00295	1.67	0.59
FRB 20201118B	—	33.928	2.853	38.1	417.2397	0.00197	6.70	3.43
FRB 20201118C	—	113.908	50.920	7.1	875.6007	0.00590	0.97	0.54
FRB 20201118A	—	133.551	43.182	20.9	494.0821	0.01475	2.07	0.68
FRB 20201119A	—	164.304	40.080	30.1	718.2700	0.00197	1.03	0.60
FRB 20201120C	—	100.934	32.415	187.0	273.9947	0.04227	110.81	37.96
FRB 20201120B	—	154.537	56.809	24.2	916.7233	0.01278	3.52	1.28
FRB 20201120A	—	159.931	70.856	47.2	291.2627	0.00295	8.99	4.16
FRB 20201121A	—	192.774	70.441	28.6	900.7635	0.00393	4.66	2.52
FRB 20201122A	—	273.594	63.408	21.0	867.4625	0.00197	2.61	1.12
FRB 20201123F	—	122.500	45.111	6.2	120.9086	0.00197	0.32	0.13
FRB 20201123C	—	137.975	52.117	19.8	489.2282	0.00197	1.16	0.55
FRB 20201123B	—	202.721	23.335	19.1	643.5213	0.01868	0.59	0.30
FRB 20201123E	—	211.145	85.475	13.5	1088.6011	0.00885	3.50	1.48
FRB 20201124D	—	153.352	58.142	152.6	259.4965	0.00393	26.24	6.70
FRB 20201124C	—	177.224	50.212	51.8	1813.4029	0.00393	6.16	2.25
FRB 20201125A	—	82.102	73.673	19.8	1134.4060	0.00393	3.52	0.78
FRB 20201126C	—	354.712	-7.817	199.9	320.5232	0.00197	77.11	45.76
FRB 20201126B	—	149.298	36.125	25.9	972.5864	0.00197	2.30	1.16
FRB 20201126A	—	160.418	52.131	19.4	625.5017	0.00393	2.83	1.30
FRB 20201127C	—	355.781	37.484	12.7	1029.9528	0.06193	3.08	1.05
FRB 20201127B	—	252.260	75.086	13.1	672.4490	0.00393	0.54	0.20
FRB 20201127A	—	167.732	43.064	34.1	328.7597	0.00492	1.98	0.74
FRB 20201128E	—	111.856	50.746	73.4	370.9650	0.00393	11.08	3.88
FRB 20201128D	—	182.615	73.250	96.0	157.8534	0.00197	18.05	8.12
FRB 20201128C	—	189.238	35.741	30.6	418.3073	0.00295	2.12	0.98
FRB 20201128B	—	261.882	52.154	146.0	298.1411	0.00197	11.92	5.10
FRB 20201128A	—	262.932	82.974	12.1	368.5176	0.00688	3.02	1.27
FRB 20201129C	—	—	—	53.9	274.7047	0.00688	—	—
FRB 20201129D	—	204.312	65.531	14.7	407.1172	0.01868	—	—
FRB 20201129B	—	90.378	79.561	38.9	303.3060	0.00393	4.68	1.89
FRB 20201130B	—	340.399	29.019	22.0	564.1226	0.00197	2.30	0.80
FRB 20201202C	—	80.033	73.231	12.5	962.9358	0.00197	1.62	0.69
FRB 20201202D	—	111.936	44.318	8.5	951.7868	0.00492	0.45	0.15
FRB 20201202B	—	257.710	78.038	9.6	1114.5808	0.00786	0.45	0.35
FRB 20201202A	—	296.595	70.681	44.5	409.9356	0.00197	7.62	3.51
FRB 20201203B	—	149.440	46.712	38.5	660.3354	0.03637	13.65	4.67
FRB 20201203A	—	174.507	40.083	19.6	610.9102	0.00197	0.59	0.25
FRB 20201204C	—	52.655	25.294	17.3	845.9617	0.00197	1.70	0.60
FRB 20201204B	—	133.275	19.355	33.4	230.5559	0.01671	5.44	2.28
FRB 20201204A	—	271.565	40.749	21.0	475.1100	0.04227	9.07	2.67
FRB 20201205B	—	322.978	61.322	16.9	552.4693	0.00197	1.74	0.60
FRB 20201205A	—	20.653	77.886	19.6	883.1413	0.04424	10.56	4.22
FRB 20201205C	—	269.026	58.097	19.8	496.2223	0.01180	0.27	0.13
FRB 20201205D	—	280.021	67.428	14.7	873.8007	0.02458	2.50	0.13
FRB 20201206E	—	87.080	62.368	29.5	338.2045	0.00197	3.00	1.42
FRB 20201206B	—	196.235	56.420	10.0	494.2055	0.00393	0.49	0.20
FRB 20201206Csub 1	—	216.215	25.461	48.5	330.8475	0.00393	2.73	0.60
FRB 20201206Csub 2	—	216.215	25.461	48.5	330.8475	0.00393	2.73	0.60
FRB 20201206D	—	276.260	36.404	15.4	354.2622	0.00393	2.28	1.17
FRB 20201207E	—	9.740	50.370	34.2	588.6049	0.00197	1.91	0.63
FRB 20201207D	—	120.917	31.402	42.9	651.3988	0.00295	4.74	1.01
FRB 20201207C	—	127.310	39.247	35.3	1286.2424	0.00885	—	—
FRB 20201207B	—	193.320	9.431	31.6	560.0967	0.00197	5.39	2.49
FRB 20201207F	—	238.266	74.606	8.4	1345.0228	0.00393	1.45	0.44
FRB 20201207A	—	282.195	47.739	23.1	254.6263	0.01966	5.22	1.16
FRB 20201208A	—	139.387	20.258	23.9	706.1665	0.02556	10.19	3.22
FRB 20201209A	—	169.141	70.244	22.6	752.7542	0.00295	6.54	2.66
FRB 20201210D	—	44.456	28.224	26.4	628.3367	0.00197	3.42	1.08
FRB 20201210C	—	45.544	15.363	101.5	279.2389	0.00197	7.74	2.56
FRB 20201212E	—	342.067	46.104	16.8	701.3556	0.00197	1.51	0.58
FRB 20201212D	—	3.328	15.513	27.1	800.2116	0.00197	0.83	0.26
FRB 20201212C	—	58.585	39.918	33.7	527.3286	0.00197	3.12	0.92
FRB 20201212B	—	66.315	67.991	25.8	598.1963	0.00492	5.91	1.56
FRB 20201212A	—	206.903	6.841	26.2	314.8007	0.00786	2.53	0.76
FRB 20201213A	—	36.431	53.098	13.1	960.8441	0.00492	2.14	0.51
FRB 20201214B	—	225.887	71.247	31.6	847.6785	0.01475	5.81	1.51
FRB 20201214A	—	250.333	18.874	17.2	363.1867	0.00197	1.05	0.42
FRB 20201215D	—	341.154	48.045	25.5	407.7521	0.00590	4.60	1.02
FRB 20201215B	—	163.173	4.335	46.5	650.5078	0.00983	6.28	1.39
FRB 20201215A	—	220.794	28.807	47.9	684.6342	0.00786	7.72	0.98
FRB 20201215E	—	321.144	28.629	6.5	172.7579	0.00295	1.49	0.54
FRB 20201216A	—	76.912	26.187	20.9	411.7883	0.04424	—	—
FRB 20201216E	—	102.056	21.075	17.4	491.1464	0.03146	3.39	1.31
FRB 20201216B	—	192.078	54.866	45.8	467.6311	0.02163	—	—
FRB 20201216D	—	201.809	88.562	10.6	410.5169	0.00197	1.58	0.83
FRB 20201217A	—	191.214	58.778	59.5	632.7744	0.01966	14.24	2.49
FRB 20201217B	—	260.375	78.921	16.9	731.3112	0.05997	9.91	5.29
FRB 20201218B	—	338.957	46.883	66.4	694.2195	0.00197	7.28	1.45
FRB 20201218D	—	129.087	40.044	7.4	328.7497	0.00295	0.84	0.30
FRB 20201218C	—	276.446	64.203	10.2	522.0656	0.00098	1.09	0.31
FRB 20201218A	—	291.550	72.794	25.7	733.5840	0.00295	3.17	1.05
FRB 20201219B	—	345.693	41.818	26.6	1054.0267	0.00197	2.26	0.56
FRB 20201220C	—	169.717	81.283	48.0	1169.4372	0.00393	10.71	2.49
FRB 20201220B	—	251.054	38.974	61.6	539.9474	0.00295	3.05	1.01
FRB 20201220A	—	269.556	42.568	12.8	404.8400	0.00492	0.69	0.46
FRB 20201221A	—	138.333	41.633	10.5	567.0196	0.02163	1.02	0.73
FRB 20201222A	—	351.633	57.750	22.3	399.7936	0.00295	1.74	0.50
FRB 20201223C	—	31.970	74.443	11.3	803.6062	0.01475	3.53	0.74
FRB 20201223B	—	254.131	80.855	30.1	325.1313	0.02261	4.10	1.29
FRB 20201224Bsub 1	—	110.984	16.808	48.7	1102.7847	0.00590	9.57	1.93
FRB 20201224Bsub 2	—	110.984	16.808	48.7	1102.7847	0.00590	9.57	1.93
FRB 20201225E	—	21.202	35.911	11.1	807.7872	0.00393	1.59	0.45
FRB 20201225G	—	149.529	49.420	13.9	742.3254	0.01868	5.16	1.32
FRB 20201225C	—	222.780	53.284	31.5	1319.9206	0.06586	9.17	2.65
FRB 20201225F	—	241.503	48.214	13.9	451.3241	0.00295	1.71	0.37
FRB 20201225A	—	294.697	62.367	177.2	145.5589	0.00197	7.52	2.83
FRB 20201226C	—	120.820	45.104	40.1	980.8647	0.02064	8.54	2.83
FRB 20201226B	—	130.267	4.684	23.0	285.1956	0.02753	8.36	2.84
FRB 20201226A	—	215.259	68.773	19.1	577.7453	0.00492	2.56	0.38
FRB 20201228E	—	26.996	89.008	15.8	1113.9377	0.00590	1.84	0.77
FRB 20201228D	—	137.598	-3.575	8.8	795.9287	0.02359	2.46	0.83
FRB 20201228C	—	196.846	28.000	19.3	837.0265	0.03342	1.61	0.41
FRB 20201228B	—	251.320	21.968	38.3	348.2332	0.05800	—	—
FRB 20201229D	—	156.154	69.191	15.7	621.6129	0.00786	1.59	0.62
FRB 20201229B	—	351.073	82.249	26.2	480.3234	0.00393	6.48	1.67
FRB 20201229A	—	202.536	44.245	32.2	451.1226	0.00295	1.60	0.44
FRB 20201230E	—	80.502	57.074	22.3	954.0995	0.00786	3.26	1.40
FRB 20201230D	—	130.471	42.006	13.9	754.7577	0.00197	0.91	0.27
FRB 20201230C	—	281.408	16.060	11.2	686.8891	0.00295	1.56	0.38
FRB 20201230B	—	283.748	26.045	120.1	256.0779	0.00197	11.43	1.88
FRB 20201230A	—	325.561	45.731	17.3	791.7300	0.00295	1.62	0.40
FRB 20201231B	—	105.973	44.310	—	—	—	—	—
FRB 20201231A	—	201.470	61.143	42.6	682.7272	0.12583	—	—
FRB 20210101Esub 1	—	356.360	49.596	38.1	860.7549	0.00885	6.95	1.24
FRB 20210101Esub 2	—	356.360	49.596	38.1	860.7549	0.00885	6.95	1.24
FRB 20210101D	—	358.232	35.509	40.0	882.8008	0.00983	8.09	2.29
FRB 20210101C	—	135.130	65.508	13.4	1120.8276	0.00197	1.40	0.57
FRB 20210101B	—	150.992	6.317	22.1	320.8026	0.02949	8.07	1.66
FRB 20210101A	—	155.936	33.361	357.9	1532.7243	0.00295	47.17	12.06
FRB 20210102A	—	197.694	40.085	19.6	1682.1086	0.01180	4.54	1.49
FRB 20210103B	—	26.681	87.422	13.5	670.7326	0.00197	—	—
FRB 20210103C	—	244.281	10.377	23.2	366.1617	0.02163	6.86	0.65
FRB 20210103D	—	243.692	63.449	28.7	1086.8234	0.12485	—	—
FRB 20210103A	—	340.552	58.552	22.7	746.1396	0.01671	6.56	0.80
FRB 20210104F	—	349.921	34.708	12.3	1119.8568	0.00295	1.74	0.89
FRB 20210104E	—	54.505	88.466	26.2	861.7564	0.00197	5.68	1.72
FRB 20210104D	—	111.793	43.146	24.7	1069.2024	0.00197	1.00	0.36
FRB 20210104C	—	113.254	77.194	16.6	456.5996	0.00786	2.91	0.95
FRB 20210104B	—	219.313	27.135	29.3	1236.0314	0.01081	4.45	1.02
FRB 20210105Fsub 1	—	87.610	29.955	52.7	1199.1256	0.00688	13.73	4.01
FRB 20210105Fsub 2	—	87.610	29.955	52.7	1199.1256	0.00688	13.73	4.01
FRB 20210105E	—	90.423	17.926	18.8	532.3951	0.00492	3.05	0.87
FRB 20210105D	—	28.782	72.090	20.4	367.2196	0.00590	—	—
FRB 20210105C	—	211.895	1.318	32.6	291.1230	0.00197	5.75	1.69
FRB 20210105B	—	249.833	37.646	30.7	425.7525	0.00393	3.30	0.65
FRB 20210105A	—	316.031	58.585	13.6	2469.6437	0.00590	1.31	0.33
FRB 20210106C	—	137.411	21.644	31.1	830.8049	0.00590	10.38	1.93
FRB 20210106B	—	148.459	23.330	20.8	262.7803	0.00197	1.07	0.15
FRB 20210106A	—	162.146	26.748	31.3	1321.3897	0.01081	5.17	0.73
FRB 20210107A	—	281.202	24.499	17.9	328.2836	0.01376	2.98	0.93
FRB 20210108A	—	287.650	59.023	47.0	223.8235	0.00885	13.88	3.04
FRB 20210109Bsub 1	—	221.403	8.388	12.4	490.2579	0.00786	6.69	3.54
FRB 20210109Bsub 2	—	221.403	8.388	12.4	490.2579	0.00786	6.69	3.54
FRB 20210109A	—	302.092	24.030	9.1	1242.7030	0.00688	1.72	0.39
FRB 20210110C	—	69.463	83.912	12.9	803.9789	0.00197	2.16	0.81
FRB 20210110B	—	72.804	35.986	15.5	405.6588	0.00197	2.48	0.65
FRB 20210110A	—	227.591	25.443	13.7	1284.6204	0.00197	1.68	0.22
FRB 20210111F	—	1.813	52.691	18.3	612.0966	0.00885	3.87	1.13
FRB 20210111D	—	61.171	16.951	80.3	890.7737	0.00393	9.68	1.79
FRB 20210111C	—	82.260	66.216	15.2	1499.7566	0.02359	3.50	1.49
FRB 20210111B	—	128.722	87.866	29.1	498.0310	0.01376	—	—
FRB 20210111A	—	206.295	15.737	14.3	381.0916	0.00590	—	—
FRB 20210112B	—	24.203	53.867	10.0	428.6753	0.00197	0.11	0.01
FRB 20210112A	—	146.167	0.701	27.5	489.6143	0.00197	3.57	1.66
FRB 20210113Csub 1	—	110.780	64.954	55.0	176.8876	0.00590	10.19	1.89
FRB 20210113Csub 2	—	110.780	64.954	55.0	176.8876	0.00590	10.19	1.89
FRB 20210113Bsub 1	—	148.263	67.959	44.8	841.3810	0.00197	7.78	2.40
FRB 20210113Bsub 2	—	148.263	67.959	44.8	841.3810	0.00197	7.78	2.40
FRB 20210113E	—	216.408	25.040	106.8	749.6941	0.02064	38.16	6.43
FRB 20210113A	—	313.047	74.466	12.9	1597.4494	0.01180	6.35	2.86
FRB 20210114C	—	18.666	47.632	72.7	454.0497	0.00197	5.96	1.19
FRB 20210114D	—	51.872	5.060	10.5	590.0643	0.00393	2.94	0.70
FRB 20210114A	—	178.400	49.438	—	—	—	—	—
FRB 20210115D	—	69.925	1.748	6.5	1987.4094	0.01180	1.87	0.90
FRB 20210115B	—	89.835	59.438	13.8	753.9656	0.00885	1.96	1.11
FRB 20210115A	—	224.334	4.145	50.5	778.0870	0.00295	12.72	2.59
FRB 20210116B	—	163.683	43.216	10.9	1407.8683	0.06390	0.92	0.14
FRB 20210116A	—	337.057	79.700	20.6	218.3420	0.04129	4.59	3.87
FRB 20210117Dsub 1	—	150.388	78.123	29.9	276.5954	0.00492	2.17	0.52
FRB 20210117Dsub 2	—	150.388	78.123	29.9	276.5954	0.00492	2.17	0.52
FRB 20210117C	—	183.497	67.166	20.6	636.4523	0.00688	—	—
FRB 20210117B	—	288.232	33.178	11.2	930.8826	0.00786	3.09	0.96
FRB 20210118C	—	61.246	67.391	—	—	—	—	—
FRB 20210118A	—	312.430	68.189	30.9	570.4227	0.01081	8.44	2.27
FRB 20210119Bsub 1	—	180.994	8.419	30.6	440.4948	0.00786	5.01	2.41
FRB 20210119Bsub 2	—	180.994	8.419	30.6	440.4948	0.00786	5.01	2.41
FRB 20210119Bsub 3	—	180.994	8.419	30.6	440.4948	0.00786	5.01	2.41
FRB 20210119Bsub 4	—	180.994	8.419	30.6	440.4948	0.00786	5.01	2.41
FRB 20210119A	—	288.693	25.753	24.0	289.7855	0.00786	0.58	0.24
FRB 20210120A	—	5.274	56.577	11.6	1050.7532	0.00786	2.39	0.59
FRB 20210121A	—	238.120	65.381	112.0	226.1406	0.00197	8.33	1.48
FRB 20210122B	—	198.051	81.280	24.2	369.7401	0.00197	2.02	0.65
FRB 20210122A	—	202.814	40.476	27.4	2707.5901	0.06783	—	—
FRB 20210123D	—	68.089	62.284	22.8	785.7234	0.00688	2.84	1.25
FRB 20210123E	—	127.460	72.916	7.1	105.7746	0.00492	0.80	0.26
FRB 20210123C	—	154.046	33.823	95.5	192.3745	0.00197	5.54	1.40
FRB 20210123B	—	207.003	36.518	38.7	248.8810	0.02261	12.85	3.69
FRB 20210123A	—	353.302	48.809	15.8	1979.4542	0.01671	6.28	3.09
FRB 20210124D	—	279.306	35.998	12.7	754.4233	0.01278	2.88	0.73
FRB 20210124B	—	331.002	52.328	60.2	990.8527	0.06193	24.67	6.80
FRB 20210124C	—	346.767	72.733	22.7	365.3204	0.00393	1.39	0.66
FRB 20210125E	—	9.345	9.460	15.7	505.4144	0.00688	3.10	1.01
FRB 20210125D	—	40.112	51.021	23.5	740.8609	0.00393	2.29	0.82
FRB 20210125C	—	252.208	17.965	14.3	587.2607	0.01966	3.66	4.98
FRB 20210125B	—	332.028	25.844	40.9	345.3889	0.05898	18.71	4.36
FRB 20210126B	—	156.824	38.116	11.4	152.3325	0.00197	0.53	0.25
FRB 20210126Asub 1	—	162.487	45.163	40.2	373.3723	0.00098	3.31	0.76
FRB 20210126Asub 2	—	162.487	45.163	40.2	373.3723	0.00098	3.31	0.76
FRB 20210127Dsub 1	—	68.839	38.349	22.7	364.0581	0.00098	2.05	0.33
FRB 20210127Dsub 2	—	68.839	38.349	22.7	364.0581	0.00098	2.05	0.33
FRB 20210127C	—	273.948	59.191	107.0	273.8273	0.00197	5.88	1.05
FRB 20210127B	—	328.498	87.058	53.3	568.1417	0.00197	4.63	1.16
FRB 20210128A	—	354.270	15.038	13.6	951.5087	0.00197	2.67	1.15
FRB 20210129D	—	202.183	87.654	17.7	476.4122	0.00197	2.10	0.71
FRB 20210129B	—	207.539	43.445	18.4	361.4905	0.00197	0.34	0.09
FRB 20210129A	—	302.936	64.151	13.7	632.1523	0.00295	1.49	0.25
FRB 20210130G	—	154.271	32.112	15.4	848.7249	0.00295	2.16	0.58
FRB 20210130F	—	201.674	59.156	59.7	1574.1635	0.00197	4.90	1.59
FRB 20210130D	—	277.738	72.647	61.0	176.0719	0.00786	12.70	3.84
FRB 20210130Csub 1	—	316.685	37.521	37.7	708.4790	0.00885	8.86	1.63
FRB 20210130Csub 2	—	316.685	37.521	37.7	708.4790	0.00885	8.86	1.63

1,501–1,750 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.