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 20220115B	—	183.149	8.090	53.4	523.5650	0.00590	18.18	7.35
FRB 20220115A	—	319.645	79.966	27.4	173.9517	0.00197	5.11	2.38
FRB 20220118B	FRB20191106C	199.763	43.022	60.2	331.5517	0.02064	3.47	0.77
FRB 20220118Asub 1	—	280.508	55.513	60.5	328.4459	0.00295	11.38	4.09
FRB 20220118Asub 2	—	280.508	55.513	60.5	328.4459	0.00295	11.38	4.09
FRB 20220119Asub 1	—	232.409	79.434	32.0	730.7431	0.00885	14.89	6.47
FRB 20220119Asub 2	—	232.409	79.434	32.0	730.7431	0.00885	14.89	6.47
FRB 20220121A	—	257.760	52.842	6.7	357.1641	0.00393	2.66	1.09
FRB 20220122C	—	36.842	32.713	11.2	576.7197	0.00197	2.70	0.96
FRB 20220122B	—	227.509	35.707	51.0	213.8902	0.00197	5.01	2.00
FRB 20220122A	—	292.554	28.258	23.3	683.9914	0.00393	7.60	3.63
FRB 20220123A	FRB20220123A	202.635	48.911	12.2	120.8410	0.00590	1.85	0.48
FRB 20220124C	—	65.926	38.351	8.4	250.2536	0.00197	1.11	0.25
FRB 20220124Asub 1	—	266.776	48.571	36.7	268.8277	0.00492	4.84	1.62
FRB 20220124Asub 2	—	266.776	48.571	36.7	268.8277	0.00492	4.84	1.62
FRB 20220124B	—	314.509	20.531	11.8	867.2964	0.00197	—	—
FRB 20220126A	—	—	—	76.2	207.7511	0.00492	—	—
FRB 20220126C	—	179.122	7.380	10.5	720.1313	0.00197	2.43	0.92
FRB 20220126B	—	313.365	58.962	12.3	790.0656	0.01573	6.82	2.88
FRB 20220127A	—	4.303	51.525	17.7	1261.8581	0.05800	7.67	2.01
FRB 20220128D	—	35.834	34.309	57.3	662.1470	0.00197	9.10	3.67
FRB 20220128C	—	71.650	87.238	51.3	262.2172	0.00197	5.26	1.17
FRB 20220128B	—	216.380	2.096	99.2	593.9282	0.00295	22.95	7.73
FRB 20220128A	—	267.829	49.716	16.2	939.9673	0.02163	8.27	2.43
FRB 20220129A	—	260.035	69.809	53.4	179.8639	0.00295	4.81	1.79
FRB 20220130C	—	166.902	21.170	14.8	881.8220	0.00197	1.79	0.66
FRB 20220130B	—	177.868	70.709	218.6	218.8010	0.03244	109.62	43.74
FRB 20220130A	—	260.930	66.918	21.0	1503.7103	0.00885	5.83	2.69
FRB 20220131A	—	281.827	60.596	23.9	570.7767	0.00295	4.84	2.27
FRB 20220131B	—	294.461	-2.433	11.4	650.8357	0.00492	6.62	3.64
FRB 20220201C	—	71.758	70.288	16.0	212.0996	0.00197	1.31	0.81
FRB 20220201B	—	210.590	87.385	12.5	689.0034	0.00197	1.37	0.84
FRB 20220201A	—	7.835	15.033	14.4	837.9504	0.00492	—	—
FRB 20220202B	—	117.756	67.523	18.0	484.8533	0.00983	5.17	2.36
FRB 20220202Asub 1	FRB20210822E	216.557	25.425	236.8	319.4484	0.01671	40.35	8.59
FRB 20220202Asub 2	FRB20210822E	216.557	25.425	236.8	319.4484	0.01671	40.35	8.59
FRB 20220202Asub 3	FRB20210822E	216.557	25.425	236.8	319.4484	0.01671	40.35	8.59
FRB 20220203C	—	147.274	59.164	20.1	368.3291	0.03146	12.16	5.00
FRB 20220203B	—	149.737	60.609	28.6	540.2712	0.00295	5.01	2.25
FRB 20220203Asub 1	FRB20190804E	261.465	55.163	31.1	362.7401	0.02949	5.29	2.03
FRB 20220203Asub 2	FRB20190804E	261.465	55.163	31.1	362.7401	0.02949	5.29	2.03
FRB 20220203Asub 3	FRB20190804E	261.465	55.163	31.1	362.7401	0.02949	5.29	2.03
FRB 20220203Asub 4	FRB20190804E	261.465	55.163	31.1	362.7401	0.02949	5.29	2.03
FRB 20220205B	—	108.364	38.040	19.4	629.1941	0.00492	3.59	0.95
FRB 20220205A	—	285.278	64.319	23.2	779.8095	0.00197	2.58	0.63
FRB 20220206B	—	235.009	66.138	15.6	324.4556	0.02654	3.17	1.10
FRB 20220206Asub 1	—	82.918	87.004	22.2	440.7081	0.01573	6.42	0.99
FRB 20220206Asub 2	—	82.918	87.004	22.2	440.7081	0.01573	6.42	0.99
FRB 20220207B	FRB20190417A	294.806	59.400	33.7	1379.1978	0.02851	15.28	5.00
FRB 20220207A	FRB20220207A	310.012	72.923	174.1	262.3829	0.00492	54.00	25.83
FRB 20220209C	—	161.726	56.820	13.0	1540.3825	0.00688	4.01	1.49
FRB 20220209B	—	15.673	70.064	28.5	393.8048	0.00197	6.06	2.90
FRB 20220209A	FRB20200929C	17.244	18.455	32.9	413.3854	0.00688	4.66	1.92
FRB 20220210A	—	21.867	37.895	28.5	518.5283	0.00197	3.20	1.09
FRB 20220211D	—	44.477	38.710	13.3	855.2790	0.00295	2.09	0.47
FRB 20220211B	—	230.570	62.689	34.8	720.5622	0.00786	4.54	1.60
FRB 20220211A	—	266.202	71.348	17.5	274.1082	0.00197	3.19	1.61
FRB 20220211C	—	277.662	35.608	17.8	1208.3749	0.02753	7.55	3.18
FRB 20220212B	—	185.083	54.615	86.0	367.0240	0.00688	8.55	1.81
FRB 20220212A	—	189.755	17.130	31.4	1079.5497	0.00885	8.61	2.59
FRB 20220213B	—	63.196	55.628	21.7	801.1126	0.00197	2.34	0.48
FRB 20220213A	FRB20181119A	187.682	65.143	17.8	364.6284	0.00393	2.31	1.29
FRB 20220213C	—	—	—	12.8	783.3925	0.00393	—	—
FRB 20220214E	—	84.057	27.450	31.8	1147.6577	0.01180	11.17	3.38
FRB 20220214D	FRB20190303A	207.820	48.124	17.5	222.8777	0.01573	2.48	0.56
FRB 20220214C	—	333.002	24.402	46.1	578.3740	0.00197	3.79	0.98
FRB 20220214B	—	1.688	52.118	27.7	508.8640	0.00492	5.52	1.91
FRB 20220214A	—	13.884	40.639	25.1	794.6200	0.00295	3.97	1.54
FRB 20220215A	—	205.055	52.919	46.7	481.8302	0.00295	4.04	0.89
FRB 20220216A	—	316.692	9.727	9.2	530.8107	0.00295	3.69	1.25
FRB 20220218B	—	255.520	50.901	45.1	306.7417	0.02163	18.59	6.03
FRB 20220218C	—	267.096	69.924	17.8	227.3937	0.00197	—	—
FRB 20220218A	—	5.348	68.144	142.2	594.4273	0.00197	14.07	4.01
FRB 20220219B	—	144.891	39.289	37.4	399.4257	0.00197	—	—
FRB 20220219A	—	333.509	31.470	94.7	854.5570	0.03047	24.55	4.90
FRB 20220220C	—	64.310	82.494	28.3	166.4400	0.00688	7.85	2.89
FRB 20220220B	—	151.298	62.304	85.7	172.9062	0.00393	14.52	4.90
FRB 20220220A	—	150.802	36.548	35.5	297.6403	0.00295	4.63	1.66
FRB 20220221B	—	32.388	68.981	18.0	341.8939	0.00786	1.83	0.80
FRB 20220221C	—	227.558	70.414	12.4	844.6119	0.00492	—	—
FRB 20220221A	—	352.727	76.903	40.4	253.1946	0.00098	4.59	1.13
FRB 20220222A	—	265.631	24.708	149.1	479.6213	0.01180	46.27	10.26
FRB 20220222B	—	340.340	26.272	561.8	180.2597	0.01868	312.25	81.91
FRB 20220224A	—	43.438	13.006	33.4	349.2588	0.00786	7.78	1.58
FRB 20220225D	—	108.511	49.352	34.5	216.9340	0.01180	4.07	0.38
FRB 20220225H	—	222.729	87.878	15.3	397.8055	0.00098	2.03	0.71
FRB 20220225Csub 1	—	276.372	18.341	35.0	335.2240	0.01376	6.50	1.98
FRB 20220225Csub 2	—	276.372	18.341	35.0	335.2240	0.01376	6.50	1.98
FRB 20220225B	—	282.364	77.994	16.7	591.2056	0.00197	2.00	0.64
FRB 20220225G	—	162.528	80.330	10.7	489.4950	0.00786	3.10	0.79
FRB 20220225F	—	352.089	68.965	11.0	810.9527	0.00295	2.15	0.48
FRB 20220225E	FRB20200929C	19.005	18.527	23.4	413.2062	0.00393	3.67	1.28
FRB 20220225Asub 1	FRB20180916B	29.543	65.721	19.9	348.8437	0.03932	3.84	1.16
FRB 20220225Asub 2	FRB20180916B	29.543	65.721	19.9	348.8437	0.03932	3.84	1.16
FRB 20220226B	—	216.738	64.718	18.4	526.2259	0.00295	1.89	0.37
FRB 20220226A	—	298.062	58.922	57.3	579.6507	0.00197	4.29	1.32
FRB 20220227B	—	90.903	58.276	12.1	666.4792	0.00197	1.36	0.45
FRB 20220227A	—	104.468	23.683	10.1	301.2616	0.00197	1.08	0.29
FRB 20220228E	—	86.824	39.046	55.3	471.8776	0.00590	3.66	0.72
FRB 20220228Dsub 1	—	130.459	4.955	85.4	282.2489	0.02654	—	—
FRB 20220228Dsub 2	—	130.459	4.955	85.4	282.2489	0.02654	—	—
FRB 20220228F	—	139.114	32.498	13.6	858.8621	0.00393	1.40	0.48
FRB 20220228C	—	155.787	84.523	13.7	666.5662	0.01868	2.53	1.48
FRB 20220228B	FRB20220123A	202.642	48.838	47.8	120.8569	0.00197	2.72	0.80
FRB 20220228A	—	234.637	46.288	22.8	2477.7078	0.00393	3.45	1.37
FRB 20220301F	—	53.825	43.816	14.5	556.9462	0.00197	0.29	0.09
FRB 20220301E	—	248.182	80.497	121.3	114.6876	0.00197	12.89	3.47
FRB 20220301D	—	89.058	44.009	30.0	281.1763	0.00197	0.57	0.37
FRB 20220301C	—	160.452	69.517	52.9	543.2141	0.00197	2.81	1.05
FRB 20220301B	—	241.643	35.463	16.3	264.0133	0.00590	3.41	1.06
FRB 20220301A	—	331.191	33.507	26.5	1231.3209	0.06291	—	—
FRB 20220302C	—	144.143	83.574	37.7	485.4092	0.00197	2.92	1.15
FRB 20220302A	FRB20210125A	338.408	46.876	30.6	460.4864	0.01475	6.47	1.80
FRB 20220303C	—	142.271	52.522	12.2	778.8884	0.00197	0.80	0.24
FRB 20220303B	—	142.408	19.824	15.0	1008.9167	0.00492	3.14	0.95
FRB 20220303A	—	101.352	83.684	40.4	927.8918	0.00295	5.99	2.04
FRB 20220304A	—	50.573	27.812	23.6	334.2991	0.00197	3.21	0.89
FRB 20220305A	—	148.854	38.272	17.0	2076.7219	0.00885	3.02	0.49
FRB 20220305B	FRB20200929C	19.044	18.710	18.7	414.2369	0.00786	2.30	0.59
FRB 20220306Bsub 1	—	66.532	52.376	53.8	562.7937	0.00688	5.37	1.43
FRB 20220306Bsub 2	—	66.532	52.376	53.8	562.7937	0.00688	5.37	1.43
FRB 20220306A	—	246.294	14.733	17.6	738.7389	0.00295	0.92	0.58
FRB 20220307A	—	206.291	39.298	23.8	726.4437	0.00393	2.47	0.77
FRB 20220308C	—	174.674	41.142	29.2	214.0502	0.00197	0.25	0.08
FRB 20220308E	—	190.684	30.072	17.3	509.9393	0.00197	1.47	0.25
FRB 20220308B	—	42.167	80.105	21.1	431.0382	0.00197	2.30	0.68
FRB 20220308A	—	278.054	59.579	35.4	358.6292	0.00393	3.18	0.53
FRB 20220308Dsub 1	—	281.499	59.533	45.4	358.6675	0.02064	9.65	2.30
FRB 20220308Dsub 2	—	281.499	59.533	45.4	358.6675	0.02064	9.65	2.30
FRB 20220309A	—	216.026	25.282	47.9	1084.6698	0.00393	6.85	1.37
FRB 20220309B	—	239.230	50.540	15.2	655.9154	0.00197	0.86	0.26
FRB 20220309C	—	5.345	55.795	12.1	1749.6987	0.02359	1.13	0.24
FRB 20220310D	—	253.825	80.825	11.9	361.0359	0.00197	1.17	0.18
FRB 20220310C	—	125.500	44.884	12.3	740.8046	0.00197	0.58	0.21
FRB 20220310A	—	134.640	73.357	29.4	462.2182	0.00197	4.35	1.91
FRB 20220310B	—	249.313	55.965	13.5	851.9174	0.00197	1.36	0.25
FRB 20220310E	—	35.830	51.707	14.6	443.8586	0.00197	1.65	0.75
FRB 20220311D	—	130.830	64.141	73.6	778.7592	0.00197	7.99	1.41
FRB 20220311C	FRB20181119A	190.330	65.141	32.6	368.3667	0.04030	6.68	0.89
FRB 20220311B	—	—	—	22.2	335.8672	0.00393	—	—
FRB 20220311A	—	25.608	42.053	19.5	699.7140	0.00590	3.72	0.75
FRB 20220312C	—	83.317	46.977	25.0	331.0118	0.00197	2.13	0.70
FRB 20220312B	—	353.323	73.564	12.5	331.0277	0.00492	1.53	0.59
FRB 20220312A	FRB20180916B	26.843	65.718	24.3	348.9711	0.00197	1.81	0.54
FRB 20220313E	—	65.067	48.879	24.3	576.7175	0.00295	2.28	0.86
FRB 20220313D	—	91.610	53.201	18.9	232.1537	0.00197	1.57	0.54
FRB 20220313C	—	101.774	23.684	12.6	456.1867	0.01180	2.22	0.48
FRB 20220313B	FRB20190907A	122.622	46.282	24.6	309.5942	0.00393	2.39	0.78
FRB 20220313A	—	49.482	50.011	14.1	728.8139	0.03637	4.40	2.08
FRB 20220314A	—	32.888	28.850	18.0	392.5090	0.01475	2.59	0.63
FRB 20220315E	—	61.488	43.829	21.8	1519.0336	0.00197	0.94	0.19
FRB 20220315D	—	72.765	10.015	157.5	385.1349	0.00295	16.92	3.75
FRB 20220315C	—	132.839	83.087	13.9	577.4073	0.00786	3.30	1.99
FRB 20220315B	—	232.856	-2.312	22.1	405.3956	0.00197	3.04	1.04
FRB 20220315A	—	38.694	26.125	11.9	505.7181	0.00885	3.57	1.30
FRB 20220316F	—	120.073	42.383	12.9	353.5279	0.00197	1.20	0.55
FRB 20220316E	—	242.257	32.463	24.7	1651.1335	0.03244	7.68	2.43
FRB 20220316D	—	256.821	74.137	18.7	277.1625	0.00197	1.68	0.81
FRB 20220316C	—	295.234	52.756	40.5	984.6839	0.00197	4.58	1.20
FRB 20220316Bsub 1	—	350.838	40.271	224.1	349.5293	0.00098	26.30	4.16
FRB 20220316Bsub 2	—	350.838	40.271	224.1	349.5293	0.00098	26.30	4.16
FRB 20220316Bsub 3	—	350.838	40.271	224.1	349.5293	0.00098	26.30	4.16
FRB 20220316A	FRB20220316A	353.249	40.245	24.3	349.8946	0.00393	0.62	0.15
FRB 20220317E	—	117.380	23.715	13.1	655.8207	0.00393	1.30	0.21
FRB 20220317D	—	232.138	41.801	67.4	514.9788	0.00197	4.54	1.01
FRB 20220317C	—	326.659	33.942	46.2	228.0118	0.02753	14.76	5.02
FRB 20220317Bsub 1	—	5.625	51.523	22.6	1261.6581	0.02163	5.72	1.71
FRB 20220317Bsub 2	—	5.625	51.523	22.6	1261.6581	0.02163	5.72	1.71
FRB 20220317A	FRB20200929C	17.268	18.517	14.1	413.6166	0.00197	1.03	0.32
FRB 20220318C	—	142.979	43.106	50.0	826.4323	0.01376	3.39	0.54
FRB 20220318B	—	186.008	56.430	19.7	612.6934	0.00197	0.59	0.15
FRB 20220318A	—	41.062	74.659	72.3	455.5748	0.00786	13.06	2.82
FRB 20220319C	FRB20220319C	223.948	54.215	27.7	306.2324	0.01475	2.59	0.79
FRB 20220319B	—	267.982	71.777	—	—	—	—	—
FRB 20220319A	—	46.515	79.275	10.3	1260.1150	0.00688	1.54	0.70
FRB 20220320C	—	134.757	27.718	12.1	1184.7173	0.00393	—	—
FRB 20220320B	—	207.108	39.683	41.8	308.9024	0.01475	9.87	2.63
FRB 20220320A	—	314.659	13.172	24.3	850.6221	0.00590	8.26	1.33
FRB 20220321F	—	117.142	39.956	69.9	243.3527	0.00197	2.01	0.45
FRB 20220321E	—	128.665	34.096	26.5	714.8659	0.00295	3.41	1.06
FRB 20220321D	—	141.157	45.937	70.5	228.8034	0.00492	8.49	2.93
FRB 20220321C	FRB20181119A	190.474	65.144	14.1	363.2811	0.01475	2.37	0.92
FRB 20220321B	—	223.289	25.034	20.0	481.3233	0.02556	8.94	1.49
FRB 20220321A	—	316.429	8.211	47.5	722.1578	0.00197	12.76	4.42
FRB 20220322D	—	239.974	57.553	—	—	—	—	—
FRB 20220322C	FRB20181017A	256.114	68.298	59.4	1281.3669	0.08258	19.93	4.08
FRB 20220322B	—	321.902	45.091	13.4	334.6475	0.00393	1.07	0.41
FRB 20220322A	—	33.877	46.112	13.8	1276.2694	0.00295	1.44	0.44
FRB 20220323B	—	304.947	28.749	49.9	1071.0049	0.00393	11.70	3.61
FRB 20220323A	—	15.834	81.965	13.9	1436.5755	0.00393	3.41	1.34
FRB 20220324C	—	99.142	82.121	28.6	336.7812	0.00197	1.77	0.55
FRB 20220324B	—	158.428	45.159	19.2	689.4862	0.00197	2.22	0.74
FRB 20220324A	—	23.153	26.291	15.9	385.7491	0.00197	2.06	0.71
FRB 20220325D	—	270.688	78.969	10.4	557.8489	0.02556	3.60	1.74
FRB 20220325C	—	94.503	82.125	30.3	518.2591	0.00197	2.17	0.72
FRB 20220325B	—	250.592	52.463	31.0	512.1330	0.00295	4.18	1.89
FRB 20220325Asub 1	FRB20220316A	353.385	40.236	77.5	350.0447	0.04030	—	—
FRB 20220325Asub 2	FRB20220316A	353.385	40.236	77.5	350.0447	0.04030	—	—
FRB 20220325Asub 3	FRB20220316A	353.385	40.236	77.5	350.0447	0.04030	—	—
FRB 20220325Asub 4	FRB20220316A	353.385	40.236	77.5	350.0447	0.04030	—	—
FRB 20220326A	—	246.976	82.580	13.4	1510.2195	0.00688	2.20	0.82
FRB 20220328C	—	320.996	87.432	13.5	299.9293	0.00295	1.35	0.76
FRB 20220328B	—	343.582	11.255	32.3	1442.2988	0.00590	4.24	1.44
FRB 20220328A	FRB20180916B	29.041	65.716	19.0	349.8155	0.00688	3.05	0.56
FRB 20220329C	—	189.914	15.278	56.5	819.8988	0.00295	2.02	1.19
FRB 20220329Bsub 1	FRB20200619A	272.525	55.530	16.9	439.6684	0.03244	3.34	0.67
FRB 20220329Bsub 2	FRB20200619A	272.525	55.530	16.9	439.6684	0.03244	3.34	0.67
FRB 20220329Bsub 3	FRB20200619A	272.525	55.530	16.9	439.6684	0.03244	3.34	0.67
FRB 20220329A	—	352.126	40.535	28.9	648.1289	0.00197	3.73	0.42
FRB 20220330C	—	154.755	19.978	29.5	1097.6088	0.00393	2.52	0.85
FRB 20220330B	—	323.032	12.673	12.3	588.8591	0.00295	3.05	0.63
FRB 20220330A	—	17.210	63.696	32.6	664.8785	0.00393	8.15	2.67
FRB 20220331B	—	75.689	58.104	25.1	1270.3603	0.00590	3.00	0.48
FRB 20220331A	—	288.675	82.530	16.7	221.0447	0.00295	1.62	0.59
FRB 20220401A	—	303.908	30.706	42.8	742.7973	0.00197	5.67	0.75
FRB 20220405C	—	17.499	13.619	12.0	298.9269	0.00197	0.12	0.08
FRB 20220405B	—	30.069	25.679	13.2	953.4021	0.02654	3.55	1.29
FRB 20220405A	—	65.440	24.617	18.7	462.3565	0.00197	1.41	0.37
FRB 20220406A	—	135.062	75.061	33.1	511.5117	0.00295	—	—
FRB 20220407B	—	7.965	14.557	12.9	416.8816	0.00688	0.14	0.04
FRB 20220407A	—	43.758	5.046	15.2	839.6651	0.00492	11.33	2.57
FRB 20220408C	—	136.822	81.249	18.7	204.7380	0.00197	2.26	0.65
FRB 20220408B	—	354.313	23.942	19.9	452.9243	0.00688	2.29	0.45
FRB 20220408A	FRB20181128A	73.793	63.380	8.7	448.1174	0.02064	2.44	1.03
FRB 20220409B	—	207.251	58.405	55.8	654.3573	0.02163	14.72	2.94
FRB 20220409A	—	281.210	60.213	17.3	1324.8828	0.00197	1.71	0.60
FRB 20220410B	—	274.148	34.011	9.0	779.3019	0.12386	—	—
FRB 20220410A	—	295.786	7.733	30.1	397.1195	0.00197	10.56	3.54
FRB 20220411C	FRB20191106C	197.526	43.201	22.3	332.3469	0.04915	0.71	0.22
FRB 20220411B	—	260.657	36.040	25.0	1152.5217	0.01769	3.03	0.49
FRB 20220411A	—	356.833	70.193	16.3	507.3824	0.01475	5.20	2.25
FRB 20220412B	—	188.892	87.413	17.8	707.9393	0.00197	1.21	0.49
FRB 20220412A	—	74.947	37.974	—	—	—	—	—
FRB 20220413C	—	125.014	46.671	17.3	889.6714	0.03244	4.16	0.64
FRB 20220413B	—	256.053	66.920	195.7	115.7141	0.00197	14.66	6.87
FRB 20220413A	—	309.349	29.044	37.5	513.1400	0.00983	9.52	1.91
FRB 20220414C	—	248.884	68.716	15.3	288.2380	0.00197	1.55	0.86
FRB 20220414B	FRB20190929E	313.149	29.050	17.2	512.7579	0.01081	2.80	0.34
FRB 20220415D	—	124.020	30.849	16.1	453.6991	0.00197	0.57	0.24
FRB 20220415C	—	216.347	11.446	20.0	1359.0398	0.01278	2.81	1.66
FRB 20220415B	—	315.525	68.583	14.1	400.9490	0.00197	2.14	0.81
FRB 20220415A	—	20.961	31.496	73.8	256.3523	0.00197	6.03	1.06
FRB 20220416B	FRB20190804E	261.568	55.169	18.2	362.6539	0.00885	1.00	0.20
FRB 20220416A	—	320.338	46.896	73.0	797.8828	0.00197	8.57	1.77
FRB 20220417A	—	134.281	72.929	16.7	302.2491	0.00393	3.43	1.70
FRB 20220419A	—	131.030	43.971	14.3	390.9934	0.02359	2.19	0.65
FRB 20220420Esub 1	—	161.927	38.912	42.8	407.4786	0.01376	5.62	1.47
FRB 20220420Esub 2	—	161.927	38.912	42.8	407.4786	0.01376	5.62	1.47
FRB 20220420D	—	173.125	51.117	43.0	502.0865	0.00786	4.04	1.41
FRB 20220420C	—	191.765	35.204	15.8	749.7284	0.00590	2.07	0.87

3,251–3,500 of 5,045 rows

Downloads

Download Catalog 2

The complete catalog, with every burst and every column (version 20251231). Raw data and every other file of the release are archived at CANFAR, where the DOI points.

Catalog files

Raw data and full archive

CANFAR archiveRaw catalog files, permanently archived at the CADC.doi:10.11570/25.0066 Browse on CANFAR

Citation

How to cite

This data is provided by the CHIME/FRB Collaboration. When using this data, please cite the paper listed here.

PaperCHIME/FRB Catalog 2arxiv.org/abs/2601.09399 (opens in a new tab)

Tutorials

Working with the data

Query Catalog 2 from your own code, read its files, or find guides to plotting the data.

Glossary

What each field means

Every field in Catalog 2, grouped by topic, with its unit and a short description. The smaller grey names are the field names used in the downloaded files.

60 columns in 10 groups

Identification5

Column	Unit	Description
Burst name`tns_name`	No unit	Transient Name Server name
Previous name`previous_name`	No unit	Previous name, if applicable
Repeater name`repeater_name`	No unit	Associated repeater name, if applicable
Event ID`event_id`	No unit	CHIME/FRB internal event identifier
Sub-burst number`sub_num`	No unit	Sub-burst number (0 for single-burst FRBs; otherwise, assigned in chronological order). The website numbers sub-bursts from 1.

Position6

Column	Unit	Description
Right ascension`ra`	degrees	Right ascension in decimal degrees (J2000)
Right ascension uncertainty`ra_err`	degrees	Uncertainty in ra in degrees of arc
Declination`dec`	degrees	Declination in decimal degrees (J2000)
Declination uncertainty`dec_err`	degrees	Uncertainty in dec
Galactic longitude`gl`	degrees	Galactic longitude
Galactic latitude`gb`	degrees	Galactic latitude

Detection and dispersion7

Column	Unit	Description
Detection S/N`bonsai_snr`	No unit	Detection S/N
S/N (fitburst)`snr_fitb`	No unit	S/N determined using fitting algorithm fitburst
Detection dispersion measure`bonsai_dm`	pc cm⁻³	Detection dispersion measure
Dispersion measure (fitburst)`dm_fitb`	pc cm⁻³	Dispersion measure determined using fitting algorithm fitburst
Dispersion measure (fitburst) uncertainty`dm_fitb_err`	pc cm⁻³	Uncertainty in dm_fitb
DM excess (NE2001)`dm_exc_ne2001`	pc cm⁻³	Dispersion measure excess between dm_fitb, or bonsai_dm if dm_fitb unavailable, and NE2001 assuming best-fit sky position of source
DM excess (YMW16)`dm_exc_ymw16`	pc cm⁻³	Dispersion measure excess between dm_fitb, or bonsai_dm if dm_fitb unavailable, and YMW16 assuming best-fit sky position of source

Arrival time4

Column	Unit	Description
Arrival time, 400 MHz`mjd_400`	MJD	Time of arrival at topocentric CHIME location referenced to 400.1953125 MHz for specific sub-burst; MJD UTC
Arrival time, 400 MHz uncertainty`mjd_400_err`	MJD	Uncertainty in mjd_400
Arrival time, infinite frequency`mjd_inf`	MJD	Time of arrival at topocentric CHIME location referenced to infinite frequency for specific sub-burst; MJD UTC
Arrival time, infinite frequency uncertainty`mjd_inf_err`	MJD	Uncertainty in mjd_inf

Burst shape5

Column	Unit	Description
Boxcar width`bc_width`	s	Boxcar width of pulse
Width (fitburst)`width_fitb`	s	Width of sub-burst using fitburst
Width (fitburst) uncertainty`width_fitb_err`	s	Uncertainty in width_fitb
Scattering time`scat_time`	s	Scattering time at 400.1953125 MHz
Scattering time uncertainty`scat_time_err`	s	Uncertainty in scat_time

Flux and spectrum11

Column	Unit	Description
Flux`flux`	Jy	Maximum of band-averaged flux-density time series within burst window, lower limit
Flux uncertainty`flux_err`	Jy	Uncertainty in flux
Fluence`fluence`	Jy ms	Integral of band-averaged flux-density time series over burst window, lower limit
Fluence uncertainty`fluence_err`	Jy ms	Uncertainty in fluence
Peak frequency`peak_freq`	MHz	Frequency of maximum of best-fit spectral model for sub-burst
Lowest frequency`low_freq`	MHz	Lowest frequency where best-fit spectral model for sub-burst exceeds 10% of maximum, clipped at band edge
Highest frequency`high_freq`	MHz	Highest frequency where best-fit spectral model for sub-burst exceeds 10% of maximum, clipped at band edge
Spectral index`sp_idx`	No unit	Spectral index for sub-burst
Spectral index uncertainty`sp_idx_err`	No unit	Uncertainty in sp_idx
Spectral running`sp_run`	No unit	Spectral running for sub-burst
Spectral running uncertainty`sp_run_err`	No unit	Uncertainty in sp_run

Exposure and fluence thresholds8

Column	Unit	Description
Exposure, upper transit`exp_up`	hour	Exposure for upper transit of source
Exposure, upper transit uncertainty`exp_up_err`	hour	Uncertainty in exp_up
Exposure, lower transit`exp_low`	hour	Exposure for lower transit of source
Exposure, lower transit uncertainty`exp_low_err`	hour	Uncertainty in exp_low
Fluence threshold, lower transit (68%)`low_ft_68`	Jy ms	Fluence above which 68% of lower-transit bursts would have been detected, lower limit
Fluence threshold, upper transit (68%)`up_ft_68`	Jy ms	Fluence above which 68% of upper-transit bursts would have been detected, lower limit
Fluence threshold, lower transit (95%)`low_ft_95`	Jy ms	Fluence above which 95% of lower-transit bursts would have been detected, lower limit
Fluence threshold, upper transit (95%)`up_ft_95`	Jy ms	Fluence above which 95% of upper-transit bursts would have been detected, lower limit

Fit quality3

Column	Unit	Description
Chi-squared`chi_sq`	No unit	chi-squared from fitburst
Degrees of freedom`dof`	No unit	Number of degrees of freedom in fitburst
Fraction of channels flagged`flag_frac`	No unit	Fraction of spectral channels flagged in fitburst

Flags7

Column	Unit	Description
Catalog 1 flag`catalog1_flag`	No unit	Flag indicating whether event was included in Catalog 1 (1 = included, 0 = not included)
Catalog 1 parameters flag`catalog1_param_flag`	No unit	Flag indicating whether fitburst and/or flux/fluence pipeline results are taken from Catalog 1 (1 = Catalog 1, 0 = Catalog 2)
Sidelobe flag`sidelobe_flag`	No unit	Flag for events that were detected in sidelobes of CHIME primary beam (1 = sidelobe, 0 = mainlobe)
Excluded from inference flag`excluded_flag`	No unit	Flag for events that should be excluded from parameter inference due to non-nominal telescope operation (1 = excluded, 0 = included)
Intrachannel dispersion flag`intrachan_flag`	No unit	Flag for events where intrachannel dispersion was not modeled during fit (1 = unmodeled, 0 = modeled)
Citizen science flag`citizen_science_flag`	No unit	Flag for low S/N events first identified by citizen scientists on Zooniverse platform (1 = citizen science detection, 0 = regular detection)
Extended burst window flag`fluence_win_extended`	No unit	Flag for events where burst window was extended during flux and fluence estimation (1 = window extended, 0 = window not extended)

Notes4

Column	Unit	Description
Localization notes`ra_dec_notes`	No unit	Notes on source localization
Exposure notes`exp_notes`	No unit	Notes on exposure estimates
Flux and fluence notes`fluence_notes`	No unit	Notes on flux and fluence estimates
Fitburst notes`notes_fitb`	No unit	Notes or comments on fitburst results

Catalog 2Five years of FRBs.