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 20180725A	—	93.703	64.758	32.1	715.9129	0.00197	1.63	0.94
FRB 20180727A	—	197.716	26.422	13.4	642.0138	0.00393	2.31	0.76
FRB 20180729A	—	199.402	55.577	194.6	109.6078	0.00197	3.18	1.05
FRB 20180729B	—	89.929	56.495	27.0	317.3109	0.00197	1.20	0.74
FRB 20180730A	—	268.841	85.427	88.4	848.8783	0.00590	27.00	12.00
FRB 20180801A	—	322.595	69.300	39.7	656.0657	0.00590	7.90	4.80
FRB 20180806A	—	228.564	75.622	16.8	739.9004	0.00295	1.84	0.78
FRB 20180810A	—	101.474	34.864	16.7	414.8923	0.00197	1.70	1.00
FRB 20180810B	—	189.045	77.979	54.8	169.1013	0.00197	7.90	2.10
FRB 20180812A	—	19.330	80.780	20.3	802.4002	0.00590	5.40	2.80
FRB 20180814Bsub 1	—	238.259	74.019	28.3	238.3166	0.00492	10.60	8.30
FRB 20180814Bsub 2	—	238.259	74.019	28.3	238.3166	0.00492	10.60	8.30
FRB 20180814A	FRB20180814A	65.877	70.290	23.1	189.2605	0.00786	1.06	0.31
FRB 20180817A	—	235.752	43.121	65.6	1006.6439	0.01769	8.15	2.36
FRB 20180904A	—	286.582	81.223	71.5	361.0714	0.00197	6.00	3.40
FRB 20180906A	—	141.485	14.286	13.9	383.2938	0.00197	2.70	1.50
FRB 20180906B	—	185.745	56.422	17.4	3037.8604	0.00786	1.50	0.88
FRB 20180907D	—	328.948	89.225	14.6	1446.5373	0.00393	4.90	2.30
FRB 20180907A	—	320.870	29.465	29.2	877.0773	0.00492	2.80	1.40
FRB 20180907B	—	4.485	19.174	21.4	658.1922	0.00197	2.90	1.60
FRB 20180907C	—	41.717	77.072	19.5	638.3334	0.00197	1.48	0.69
FRB 20180907E	—	167.876	47.088	22.0	382.4707	0.02064	4.96	1.70
FRB 20180908B	FRB20180908B	188.217	74.194	31.9	195.5240	0.00393	6.81	3.49
FRB 20180909A	—	123.631	56.757	13.6	408.3022	0.01966	1.02	0.41
FRB 20180910A	FRB20180910A	352.770	88.212	51.7	684.3993	0.00197	5.60	3.00
FRB 20180911C	FRB20180814A	65.538	73.633	23.4	189.8415	0.00786	7.71	2.40
FRB 20180911A	—	99.549	84.617	27.1	221.2355	0.00393	2.60	1.90
FRB 20180912A	—	22.348	78.816	—	—	—	—	—
FRB 20180915A	—	280.547	17.908	16.7	370.8352	0.00295	6.20	3.20
FRB 20180915B	—	225.235	25.016	39.9	177.1103	0.00393	3.80	1.00
FRB 20180916A	—	348.972	80.326	32.0	296.0365	0.00197	4.50	2.50
FRB 20180916B	FRB20180916B	29.503	65.717	36.2	349.5098	0.00393	6.93	2.80
FRB 20180916C	—	107.148	45.078	16.0	2251.4170	0.00983	2.25	1.26
FRB 20180917B	—	238.797	77.527	25.0	856.6965	0.01769	8.30	3.20
FRB 20180917Asub 1	FRB20180814A	65.538	73.633	47.8	189.6137	0.06095	11.23	3.03
FRB 20180917Asub 2	FRB20180814A	65.538	73.633	47.8	189.6137	0.06095	11.23	3.03
FRB 20180917Asub 3	FRB20180814A	65.538	73.633	47.8	189.6137	0.06095	11.23	3.03
FRB 20180918A	—	301.272	64.956	24.4	1454.1379	0.00295	4.10	1.30
FRB 20180919B	—	5.338	5.944	20.6	560.1749	0.00197	4.06	1.96
FRB 20180919A	FRB20180814A	65.697	73.645	19.2	188.9012	0.01868	1.85	0.34
FRB 20180920A	—	78.944	28.286	19.5	555.6721	0.01376	7.08	4.56
FRB 20180920B	—	191.081	63.516	16.9	463.1049	0.00983	1.42	0.41
FRB 20180921A	—	28.925	5.045	12.1	394.3661	0.00393	4.56	2.66
FRB 20180922A	—	341.981	69.639	33.3	555.6025	0.00197	7.70	5.50
FRB 20180923A	—	327.447	71.914	26.2	219.4887	0.00197	1.20	0.70
FRB 20180923D	—	169.078	48.747	94.1	329.3789	0.00197	4.21	1.96
FRB 20180923C	—	239.137	22.846	28.8	173.7938	0.00197	1.37	0.55
FRB 20180924A	—	35.498	37.523	22.1	1116.3219	0.00197	3.63	1.19
FRB 20180925A	—	74.599	77.994	14.0	236.9297	0.01671	8.70	4.40
FRB 20180925B	—	145.517	20.994	20.4	668.0081	0.00197	3.45	0.98
FRB 20180928A	—	312.948	30.846	73.1	252.6217	0.00197	2.50	0.97
FRB 20181012B	—	206.242	64.147	15.8	715.1820	0.00393	2.06	0.62
FRB 20181013A	—	262.865	38.413	32.8	309.3230	0.00197	3.30	1.00
FRB 20181013E	—	307.143	69.025	16.6	345.1613	0.00492	2.03	0.53
FRB 20181013B	—	97.176	52.046	28.9	277.8609	0.10322	117.91	63.37
FRB 20181013C	—	146.115	34.101	15.1	1005.6838	0.00492	1.64	0.88
FRB 20181014A	—	45.941	63.329	24.7	1313.7165	0.00393	4.55	2.64
FRB 20181014B	—	78.676	14.658	27.6	887.8585	0.00393	1.88	0.59
FRB 20181014C	—	117.893	41.595	12.8	752.3096	0.00197	1.62	0.51
FRB 20181014D	—	216.157	-2.933	19.3	377.0372	0.00197	19.87	10.84
FRB 20181015A	—	175.032	83.583	13.8	568.7997	0.00197	3.40	1.90
FRB 20181017B	—	237.425	78.496	18.3	306.8902	0.01180	6.41	3.27
FRB 20181017A	FRB20181017A	256.105	68.280	19.4	1281.4496	0.03736	16.00	5.80
FRB 20181018B	FRB20181018B	336.639	71.908	50.8	293.8112	0.00197	7.90	5.20
FRB 20181018A	—	17.017	51.551	13.0	1128.9669	0.01180	19.54	18.86
FRB 20181018C	—	67.058	37.566	42.0	411.1592	0.00197	3.12	1.35
FRB 20181019Asub 1	FRB20180916B	32.082	65.738	30.7	349.9081	0.00983	10.40	3.10
FRB 20181019Asub 2	FRB20180916B	32.082	65.738	30.7	349.9081	0.00983	10.40	3.10
FRB 20181019B	—	37.749	68.181	12.5	725.0795	0.00295	2.70	1.10
FRB 20181019C	—	244.591	66.275	18.9	501.7205	0.00197	2.51	1.46
FRB 20181020A	—	322.255	78.830	13.8	1112.1413	0.00688	3.76	1.74
FRB 20181022C	—	142.564	83.813	15.7	528.3939	0.00492	3.20	2.20
FRB 20181022A	—	169.038	89.341	14.1	1411.7961	0.00197	—	—
FRB 20181022F	—	179.227	17.111	12.0	723.7624	0.00295	—	—
FRB 20181022D	—	179.214	36.525	58.3	514.1072	0.00197	7.81	4.10
FRB 20181022E	—	221.247	27.131	21.5	285.9108	0.00295	2.08	0.84
FRB 20181025A	—	105.688	64.244	19.9	592.5497	0.00197	2.90	1.24
FRB 20181027A	—	132.016	-4.237	23.9	727.7653	0.00590	11.77	6.99
FRB 20181028Asub 1	FRB20180814A	70.999	73.657	98.1	188.7530	0.02654	32.28	12.06
FRB 20181028Asub 2	FRB20180814A	70.999	73.657	98.1	188.7530	0.02654	32.28	12.06
FRB 20181028Asub 3	FRB20180814A	70.999	73.657	98.1	188.7530	0.02654	32.28	12.06
FRB 20181028Asub 4	FRB20180814A	70.999	73.657	98.1	188.7530	0.02654	32.28	12.06
FRB 20181030C	—	309.933	3.993	17.1	668.7295	0.00197	5.58	2.51
FRB 20181030A	FRB20181030A	163.421	73.740	12.8	103.5890	0.00197	2.28	1.21
FRB 20181030B	FRB20181030A	164.215	73.740	33.9	103.4785	0.00393	4.96	1.91
FRB 20181030D	—	81.876	16.072	28.1	289.4925	0.00197	5.64	1.74
FRB 20181030Esub 1	—	135.769	8.889	42.2	159.7134	0.00590	8.49	4.76
FRB 20181030Esub 2	—	135.769	8.889	42.2	159.7134	0.00590	8.49	4.76
FRB 20181101A	—	21.255	53.875	46.4	1471.7577	0.05014	15.31	5.75
FRB 20181102A	—	87.306	15.630	15.0	414.6012	0.00098	3.10	0.95
FRB 20181104A	FRB20180916B	25.832	65.721	52.1	349.3951	0.00295	5.02	1.95
FRB 20181104B	FRB20180916B	29.237	65.731	17.4	350.0380	0.02359	4.45	0.81
FRB 20181104C	—	77.128	17.443	97.5	580.7817	0.00197	18.47	5.78
FRB 20181115A	—	142.937	56.397	27.5	981.2283	0.00492	1.35	0.41
FRB 20181116A	—	36.155	4.523	35.8	355.3800	0.00197	5.57	2.13
FRB 20181116B	—	232.576	64.937	22.5	409.8397	0.00393	1.71	0.48
FRB 20181117C	—	53.211	25.728	38.1	1774.1547	0.00393	2.90	0.95
FRB 20181117A	—	147.714	52.512	13.0	959.0752	0.00393	3.79	1.88
FRB 20181117Bsub 1	—	81.750	79.985	19.4	537.9932	0.00688	5.19	1.23
FRB 20181117Bsub 2	—	81.750	79.985	19.4	537.9932	0.00688	5.19	1.23
FRB 20181118A	—	20.760	-6.409	14.5	557.2561	0.00393	12.07	5.26
FRB 20181118B	—	58.371	10.785	21.1	422.1738	0.00393	3.42	2.22
FRB 20181118Csub 1	FRB20180814A	65.374	73.632	21.8	188.3900	0.03441	1.72	0.70
FRB 20181118Csub 2	FRB20180814A	65.374	73.632	21.8	188.3900	0.03441	1.72	0.70
FRB 20181119B	—	299.431	31.115	151.1	608.4747	0.02261	94.00	38.00
FRB 20181119E	—	16.357	60.529	12.0	1169.6988	0.00393	2.01	0.83
FRB 20181119Dsub 1	—	83.135	33.203	43.1	566.2390	0.03342	12.60	5.50
FRB 20181119Dsub 2	—	83.135	33.203	43.1	566.2390	0.03342	12.60	5.50
FRB 20181119Dsub 3	—	83.135	33.203	43.1	566.2390	0.03342	12.60	5.50
FRB 20181119A	FRB20181119A	190.111	65.123	22.5	363.8875	0.02163	4.25	1.36
FRB 20181119C	—	189.540	82.152	44.6	284.9339	0.00197	3.50	1.60
FRB 20181120B	FRB20180916B	29.208	65.735	22.0	349.7617	0.00393	2.72	0.75
FRB 20181120C	FRB20180814A	65.376	73.651	16.5	192.1414	0.00983	3.92	0.88
FRB 20181122A	—	60.012	55.483	14.0	662.8556	0.00295	1.18	0.53
FRB 20181122B	—	282.214	85.019	123.2	225.7467	0.00197	18.44	7.43
FRB 20181123A	—	300.721	55.873	29.9	798.6392	0.00197	2.41	1.18
FRB 20181124B	—	318.609	29.879	36.6	801.7135	0.00393	19.60	8.59
FRB 20181124A	—	175.901	63.518	10.7	1108.3194	0.00393	2.14	0.89
FRB 20181125Asub 1	—	147.988	33.930	34.2	272.3000	0.00983	3.20	2.00
FRB 20181125Asub 2	—	147.988	33.930	34.2	272.3000	0.00983	3.20	2.00
FRB 20181126A	—	262.436	81.165	88.8	494.1708	0.00295	9.72	4.50
FRB 20181127A	—	243.864	25.430	27.6	930.1729	0.00492	2.26	1.03
FRB 20181128Asub 1	FRB20181128A	74.001	63.388	36.2	450.9017	0.01769	8.10	3.80
FRB 20181128Asub 2	FRB20181128A	74.001	63.388	36.2	450.9017	0.01769	8.10	3.80
FRB 20181128B	—	157.258	38.276	18.7	456.3409	0.00295	2.00	0.88
FRB 20181128D	—	215.617	59.923	62.1	146.4327	0.00197	8.36	3.24
FRB 20181128Csub 1	—	269.067	49.715	21.9	618.3883	0.01475	3.94	1.52
FRB 20181128Csub 2	—	269.067	49.715	21.9	618.3883	0.01475	3.94	1.52
FRB 20181129A	—	355.130	44.947	34.8	385.9434	0.00295	3.50	1.58
FRB 20181129B	—	308.263	81.309	25.7	405.9097	0.00197	0.52	0.22
FRB 20181129C	—	233.244	40.033	24.2	501.9948	0.00590	4.18	1.74
FRB 20181130A	—	355.208	46.624	40.7	220.0515	0.00197	1.50	0.72
FRB 20181201A	—	214.988	39.272	41.0	694.3205	0.12485	25.03	9.21
FRB 20181201D	FRB20181201D	137.084	89.198	24.9	448.3320	0.00197	1.15	0.63
FRB 20181201B	—	273.345	56.308	18.6	876.3450	0.00492	3.28	0.99
FRB 20181202A	—	351.091	17.362	40.5	667.9228	0.00786	12.48	2.83
FRB 20181202B	—	202.739	64.717	20.4	825.8870	0.00393	3.78	1.16
FRB 20181202C	—	307.048	57.029	18.2	557.1115	0.00786	3.19	1.57
FRB 20181203A	—	33.669	23.571	28.4	635.9806	0.00197	3.07	1.22
FRB 20181203B	—	47.393	24.104	34.6	375.3477	0.00393	4.72	1.75
FRB 20181203C	—	198.149	72.944	24.1	2444.3663	0.01180	4.02	2.23
FRB 20181208C	—	162.629	78.536	—	—	—	—	—
FRB 20181208A	—	264.432	62.621	28.0	562.7152	0.00492	4.17	1.40
FRB 20181209A	—	—	—	47.4	328.5824	0.00098	—	—
FRB 20181213A	—	127.660	73.868	20.5	678.6194	0.00393	2.69	1.91
FRB 20181213B	—	183.524	53.696	16.6	626.4409	0.00197	2.52	1.25
FRB 20181213C	—	216.400	47.458	14.1	380.7077	0.00393	2.02	0.95
FRB 20181214A	—	70.021	43.072	46.9	468.1095	0.00197	0.51	0.23
FRB 20181214B	—	138.822	42.155	13.5	1120.6474	0.00295	0.97	0.35
FRB 20181214C	—	175.870	60.018	38.5	632.7440	0.00590	5.25	1.87
FRB 20181214D	—	178.576	46.712	28.2	1177.0695	0.01868	7.18	3.46
FRB 20181214F	—	252.664	32.435	18.6	2105.6794	0.00885	2.44	0.95
FRB 20181215A	—	93.411	39.340	13.7	412.6633	0.00295	0.93	0.48
FRB 20181215B	—	254.818	47.564	34.4	494.0425	0.00197	2.91	1.18
FRB 20181216A	—	306.265	53.527	16.1	542.7535	0.00197	2.20	1.17
FRB 20181217A	—	290.446	59.805	17.2	1177.0902	0.00295	1.96	0.76
FRB 20181218A	—	4.878	71.349	31.7	1874.2316	0.00786	1.84	1.14
FRB 20181218B	—	17.909	69.390	17.4	753.2004	0.00393	1.76	1.44
FRB 20181218C	—	285.941	58.241	14.1	383.9178	0.00492	1.77	0.63
FRB 20181219B	—	181.185	71.543	45.5	1951.5073	0.00393	8.37	4.44
FRB 20181219C	—	17.852	14.110	27.0	647.7605	0.00590	6.41	3.36
FRB 20181219A	FRB20181128A	73.900	63.385	16.6	451.1951	0.00983	5.00	2.64
FRB 20181220A	—	346.114	48.436	47.3	209.5059	0.00098	3.25	1.67
FRB 20181220B	—	278.521	84.868	24.0	257.7457	0.00197	2.02	0.93
FRB 20181221A	—	230.641	25.858	77.1	316.3213	0.00393	7.30	2.67
FRB 20181221B	—	297.533	80.761	51.5	1394.8668	0.00197	3.81	1.63
FRB 20181222Asub 1	FRB20180916B	29.516	65.734	230.2	348.7978	0.02261	52.78	15.35
FRB 20181222Asub 2	FRB20180916B	29.516	65.734	230.2	348.7978	0.02261	52.78	15.35
FRB 20181222Asub 3	FRB20180916B	29.516	65.734	230.2	348.7978	0.02261	52.78	15.35
FRB 20181222Asub 4	FRB20180916B	29.516	65.734	230.2	348.7978	0.02261	52.78	15.35
FRB 20181222Asub 5	FRB20180916B	29.516	65.734	230.2	348.7978	0.02261	52.78	15.35
FRB 20181222B	—	90.073	38.555	12.5	619.2322	0.00197	0.53	0.22
FRB 20181222C	—	130.938	68.324	17.7	1104.7221	0.00393	3.08	1.16
FRB 20181222D	—	188.171	56.159	19.1	1417.5384	0.01573	1.23	0.82
FRB 20181222Esub 1	—	52.442	86.968	33.7	327.9672	0.00295	0.64	0.50
FRB 20181222Esub 2	—	52.442	86.968	33.7	327.9672	0.00295	0.64	0.50
FRB 20181223A	FRB20180916B	29.465	65.737	76.2	349.4811	0.00786	14.11	4.87
FRB 20181223B	—	174.959	21.594	22.9	565.4369	0.01081	3.70	1.14
FRB 20181223C	—	181.108	27.578	28.5	112.4973	0.00197	3.02	1.04
FRB 20181224A	—	355.127	44.558	104.9	310.1776	0.00197	6.67	2.96
FRB 20181224B	—	45.369	46.140	22.8	780.9743	0.00786	2.74	1.39
FRB 20181224C	—	115.233	60.273	26.5	596.2819	0.04424	10.52	3.77
FRB 20181224D	—	182.188	54.852	13.7	690.0329	0.00393	1.39	0.67
FRB 20181224Esub 1	—	239.409	7.323	42.4	581.8734	0.00295	8.08	4.48
FRB 20181224Esub 2	—	239.409	7.323	42.4	581.8734	0.00295	8.08	4.48
FRB 20181225A	FRB20180916B	29.895	65.725	30.4	349.4977	0.00688	3.11	1.39
FRB 20181225B	—	34.036	88.178	28.1	299.2698	0.00393	5.99	2.63
FRB 20181226G	—	349.048	44.940	26.9	408.9675	0.00492	4.36	2.17
FRB 20181226Asub 1	FRB20180916B	29.465	65.733	65.5	348.8111	0.00688	6.42	1.14
FRB 20181226Asub 2	FRB20180916B	29.465	65.733	65.5	348.8111	0.00688	6.42	1.14
FRB 20181226D	—	120.287	22.158	33.1	385.3450	0.00197	2.73	1.20
FRB 20181226Bsub 1	—	182.747	12.435	160.1	287.0075	0.00590	51.37	17.85
FRB 20181226Bsub 2	—	182.747	12.435	160.1	287.0075	0.00590	51.37	17.85
FRB 20181226E	—	303.346	73.641	24.8	308.8139	0.00197	1.17	0.70
FRB 20181227A	—	31.447	78.377	12.0	791.1884	0.00197	2.03	0.97
FRB 20181228A	—	7.351	10.221	18.3	748.6318	0.00197	4.86	2.61
FRB 20181228B	—	250.351	63.850	27.3	568.5811	0.00885	2.75	1.27
FRB 20181228C	—	265.170	54.359	15.4	510.5432	0.00197	1.03	0.44
FRB 20181229A	—	137.201	42.012	32.6	955.4465	0.00393	4.05	1.59
FRB 20181229B	—	238.439	19.775	21.7	389.0288	0.02064	6.05	4.44
FRB 20181230A	—	345.979	83.374	31.7	769.8045	0.03342	12.29	4.27
FRB 20181230B	—	20.421	79.704	18.1	1136.8849	0.00590	8.77	4.08
FRB 20181230C	—	245.745	50.523	17.8	1037.1315	0.00197	2.13	0.83
FRB 20181230D	—	255.297	50.508	20.1	223.9218	0.00197	1.56	0.67
FRB 20181230E	—	115.759	87.046	19.2	1041.4362	0.01081	6.57	0.39
FRB 20181231A	—	29.786	20.960	40.4	1376.6223	0.00197	2.37	1.11
FRB 20181231B	—	125.422	55.948	50.2	197.4019	0.00197	2.28	0.76
FRB 20181231C	—	196.960	69.179	27.6	556.1104	0.00197	1.46	0.71
FRB 20190101A	—	171.074	27.995	32.2	854.8468	0.04424	14.48	3.78
FRB 20190101B	—	307.830	29.887	22.4	1323.9030	0.00295	1.97	0.59
FRB 20190102A	—	9.326	26.719	49.5	699.0727	0.00590	5.10	1.84
FRB 20190102B	—	21.727	21.390	29.5	367.0824	0.00295	4.77	1.88
FRB 20190103B	—	93.650	19.729	26.2	540.7127	0.02753	14.66	7.72
FRB 20190103C	—	104.280	11.063	33.7	1348.9229	0.00688	13.53	7.11
FRB 20190103A	FRB20181119A	187.924	65.117	48.4	364.8353	0.00786	5.96	1.61
FRB 20190103D	—	221.794	59.911	17.7	1913.5350	0.00393	1.11	0.51
FRB 20190103E	—	262.906	45.837	14.7	736.0488	0.00590	2.00	0.96
FRB 20190104Asub 1	—	70.540	35.590	24.1	549.4029	0.00197	3.34	1.55
FRB 20190104Asub 2	—	70.540	35.590	24.1	549.4029	0.00197	3.34	1.55
FRB 20190104B	—	234.841	-6.251	13.6	530.1814	0.00688	12.28	8.11
FRB 20190105A	—	266.201	63.821	13.8	383.7174	0.00885	3.23	1.37
FRB 20190106A	—	22.204	46.114	14.1	339.9103	0.00885	0.90	0.53
FRB 20190106B	—	333.236	46.128	77.9	316.5274	0.00197	3.89	2.35
FRB 20190107A	—	0.929	21.803	15.0	849.1900	0.04719	8.05	5.02
FRB 20190107B	—	32.791	83.401	26.5	166.0886	0.00197	3.03	1.67
FRB 20190109Asub 1	—	108.054	5.159	15.1	324.4693	0.00393	4.55	1.86
FRB 20190109Asub 2	—	108.054	5.159	15.1	324.4693	0.00393	4.55	1.86
FRB 20190109B	—	253.575	1.254	10.7	175.2913	0.00688	2.46	1.64
FRB 20190110A	—	64.954	47.441	64.5	472.7942	0.00197	4.28	2.53
FRB 20190110B	—	131.677	50.164	18.0	486.1027	0.00786	2.30	1.19
FRB 20190110C	FRB20190110C	247.007	41.423	27.4	222.0662	0.00197	1.92	0.97
FRB 20190111Asub 1	—	217.060	26.775	145.7	172.0998	0.00393	16.65	7.57
FRB 20190111Asub 2	—	217.060	26.775	145.7	172.0998	0.00393	16.65	7.57
FRB 20190111Asub 3	—	217.060	26.775	145.7	172.0998	0.00393	16.65	7.57
FRB 20190111B	—	260.099	13.528	30.4	1336.8882	0.00197	6.83	3.26
FRB 20190112A	—	257.586	61.054	68.2	425.6468	0.00983	15.41	5.43
FRB 20190113A	FRB20190113A	108.250	-2.985	14.1	428.2053	0.00885	6.59	3.79
FRB 20190114A	—	9.021	19.169	21.6	887.5326	0.00688	2.03	1.10
FRB 20190115A	—	45.588	54.282	13.0	1021.5921	0.00197	1.25	0.58
FRB 20190115B	—	76.269	82.058	22.9	748.2495	0.00393	4.49	2.66
FRB 20190116E	—	19.344	52.324	15.0	1490.9292	0.00197	1.31	0.75
FRB 20190116D	—	84.969	68.676	17.0	1163.9456	0.00983	6.93	3.11
FRB 20190116A	FRB20190116A	192.300	27.155	21.2	445.5867	0.01573	4.11	1.68
FRB 20190116B	FRB20190116A	192.493	27.154	21.2	443.5567	0.00590	2.45	1.33
FRB 20190116C	—	244.005	70.908	211.3	629.1856	0.00295	65.81	26.32
FRB 20190116F	—	261.435	74.997	17.6	316.6494	0.00197	1.60	0.95
FRB 20190117C	—	115.420	74.594	12.0	865.9532	0.00197	0.83	0.37
FRB 20190117D	—	208.887	31.676	16.4	1177.9801	0.00393	3.50	1.50
FRB 20190117Asub 1	FRB20190117A	331.865	17.374	97.5	393.0963	0.00295	11.23	4.98
FRB 20190117Asub 2	FRB20190117A	331.865	17.374	97.5	393.0963	0.00295	11.23	4.98

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.