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.

Download data CANFAR archive Publication Glossary How to cite

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 20190519Bsub 4	FRB20180916B	29.333	65.734	43.7	349.4753	0.02949	14.27	4.49
FRB 20190519C	FRB20180916B	29.789	65.735	27.0	349.4205	0.00590	3.97	1.49
FRB 20190519J	—	298.009	86.910	12.4	642.6946	0.00197	0.94	0.56
FRB 20190520A	—	273.580	26.304	31.0	432.4110	0.00295	2.63	1.05
FRB 20190527Asub 1	—	12.550	7.996	24.6	586.1564	0.04915	18.26	6.77
FRB 20190527Asub 2	—	12.550	7.996	24.6	586.1564	0.04915	18.26	6.77
FRB 20190527B	FRB20181128A	74.023	63.380	11.3	450.2355	0.00786	0.93	0.79
FRB 20190527C	—	100.199	57.114	80.0	535.4866	0.00786	21.09	11.44
FRB 20190529A	—	68.091	40.324	7.6	704.3900	0.00295	1.46	1.30
FRB 20190530A	—	68.677	60.598	15.6	555.3190	0.00197	1.23	0.57
FRB 20190531A	—	203.456	81.714	15.8	324.6358	0.00197	—	—
FRB 20190531B	—	259.914	49.443	120.5	167.9290	0.00197	—	—
FRB 20190531C	—	331.160	43.002	12.7	478.0379	0.00590	1.20	1.00
FRB 20190531E	—	15.302	0.539	14.3	328.0886	0.00197	6.45	5.82
FRB 20190601A	—	190.033	62.721	16.1	2227.8797	0.00393	2.70	2.40
FRB 20190601B	—	17.942	23.822	50.2	787.8327	0.02458	7.83	1.59
FRB 20190601D	—	85.480	79.348	11.0	668.3684	0.01180	5.19	1.51
FRB 20190601Csub 1	—	88.575	28.474	42.0	424.0067	0.00590	5.80	2.50
FRB 20190601Csub 2	—	88.575	28.474	42.0	424.0067	0.00590	5.80	2.50
FRB 20190603B	—	49.309	74.279	10.3	504.2383	0.00492	2.65	1.52
FRB 20190603A	FRB20180916B	29.175	65.732	19.0	349.4957	0.00393	0.79	0.27
FRB 20190604D	—	200.014	15.728	15.4	1020.7834	0.00197	2.04	0.55
FRB 20190604A	FRB20190604A	218.776	53.379	66.0	552.9256	0.00983	8.84	2.52
FRB 20190604E	—	235.641	32.062	19.9	1218.5781	0.00295	2.54	0.81
FRB 20190604Fsub 1	FRB20180916B	29.783	65.733	95.9	349.4588	0.00885	21.23	4.41
FRB 20190604Fsub 2	FRB20180916B	29.783	65.733	95.9	349.4588	0.00885	21.23	4.41
FRB 20190604Fsub 3	FRB20180916B	29.783	65.733	95.9	349.4588	0.00885	21.23	4.41
FRB 20190604C	—	77.385	49.297	52.5	515.6349	0.01966	24.82	5.29
FRB 20190604G	—	120.739	59.548	21.7	233.0732	0.00393	4.66	0.84
FRB 20190605C	—	168.441	-5.181	36.8	187.7119	0.00197	3.00	0.94
FRB 20190605D	—	26.779	28.622	19.2	1656.6625	0.00295	2.94	2.73
FRB 20190605A	FRB20180916B	25.880	65.717	47.9	349.8940	0.00590	6.22	0.98
FRB 20190605Bsub 1	FRB20180916B	29.414	65.734	85.3	348.9407	0.02851	25.47	4.25
FRB 20190605Bsub 2	FRB20180916B	29.414	65.734	85.3	348.9407	0.02851	25.47	4.25
FRB 20190605Bsub 3	FRB20180916B	29.414	65.734	85.3	348.9407	0.02851	25.47	4.25
FRB 20190606A	FRB20190604A	218.876	53.283	18.2	552.5363	0.00393	2.37	0.80
FRB 20190606B	—	107.153	86.853	38.6	277.4858	0.00590	16.13	4.79
FRB 20190607C	—	209.502	81.226	10.1	310.6142	0.00590	2.22	1.03
FRB 20190607A	—	26.292	23.597	127.3	562.4145	0.00492	22.51	3.80
FRB 20190607B	—	42.016	49.625	17.2	289.4295	0.00197	3.34	0.90
FRB 20190608A	—	359.306	19.166	15.0	722.1118	0.00197	1.67	1.37
FRB 20190609Asub 1	—	347.925	87.959	22.9	316.7191	0.01180	5.08	2.58
FRB 20190609Asub 2	—	347.925	87.959	22.9	316.7191	0.01180	5.08	2.58
FRB 20190609B	—	213.929	88.356	66.3	292.1483	0.00197	4.31	2.10
FRB 20190609C	FRB20190609C	73.236	24.061	14.5	479.9693	0.11895	1.20	0.39
FRB 20190609D	—	115.921	51.693	17.8	511.6629	0.00393	2.70	0.90
FRB 20190611Asub 1	FRB20180814A	61.270	73.637	30.1	189.9557	0.00688	12.47	2.33
FRB 20190611Asub 2	FRB20180814A	61.270	73.637	30.1	189.9557	0.00688	12.47	2.33
FRB 20190612A	—	148.010	70.421	21.6	432.6497	0.06488	26.01	11.35
FRB 20190612B	—	222.308	4.307	25.9	187.4865	0.00197	3.63	0.48
FRB 20190612C	—	79.056	61.005	37.7	1641.4958	0.00393	13.22	3.36
FRB 20190613A	—	257.469	18.848	16.9	714.6111	0.00688	7.56	3.69
FRB 20190613B	—	65.778	42.672	44.1	285.0977	0.00197	1.44	0.33
FRB 20190614A	—	176.889	88.302	16.2	1063.9490	0.00295	1.30	0.53
FRB 20190614B	—	332.927	24.692	60.5	581.8304	0.00295	6.91	0.94
FRB 20190614C	—	356.542	35.914	10.1	589.0738	0.00688	3.27	0.91
FRB 20190616A	—	234.077	34.485	15.2	212.5348	0.00197	1.47	0.66
FRB 20190617A	—	178.883	83.854	141.1	195.7536	0.00393	16.27	6.64
FRB 20190617B	—	56.528	1.162	20.0	272.6411	0.00688	5.52	1.25
FRB 20190617C	—	134.415	35.701	15.5	639.0286	0.01376	4.07	1.25
FRB 20190618A	—	321.308	25.442	58.5	228.9265	0.00197	1.95	0.50
FRB 20190618B	—	355.705	52.703	55.2	503.8419	0.00197	9.69	3.27
FRB 20190619A	—	165.051	68.368	14.3	899.9042	0.00197	3.25	1.07
FRB 20190619B	—	231.158	82.149	19.8	270.5684	0.00197	0.84	0.48
FRB 20190619C	—	38.538	36.331	15.0	488.0636	0.00197	2.65	1.07
FRB 20190619D	—	114.814	41.589	17.7	378.5652	0.03244	4.87	1.39
FRB 20190621A	FRB20180908B	181.422	74.206	12.6	195.7733	0.01475	1.01	0.76
FRB 20190621B	—	193.111	55.641	10.8	1061.1700	0.00295	1.54	0.88
FRB 20190621C	—	206.669	5.234	23.9	570.3281	0.00197	1.73	0.65
FRB 20190621D	—	262.374	78.734	22.1	647.3215	0.00786	2.99	1.66
FRB 20190622A	—	297.770	85.810	12.3	1122.8376	0.00295	1.28	0.58
FRB 20190623A	—	270.544	24.523	10.6	1082.1317	0.00197	0.86	0.19
FRB 20190623B	—	335.233	46.117	40.3	1556.8417	0.00197	2.89	0.69
FRB 20190623C	—	193.786	86.039	14.5	1049.9308	0.00197	5.90	1.70
FRB 20190624A	—	168.172	69.777	18.3	973.7962	0.00688	2.83	0.73
FRB 20190624B	—	310.301	73.715	69.7	213.9256	0.00197	5.57	1.21
FRB 20190625A	—	227.996	32.878	36.4	302.1194	0.05898	10.36	2.33
FRB 20190625Esub 1	FRB20180814A	59.217	73.638	21.5	188.6706	0.01278	4.15	1.78
FRB 20190625Esub 2	FRB20180814A	59.217	73.638	21.5	188.6706	0.01278	4.15	1.78
FRB 20190625Esub 3	FRB20180814A	59.217	73.638	21.5	188.6706	0.01278	4.15	1.78
FRB 20190625C	—	73.293	11.097	21.0	442.1705	0.00197	4.41	1.44
FRB 20190625D	—	115.114	4.868	55.3	717.7910	0.00197	10.78	1.77
FRB 20190626A	FRB20180814A	72.309	73.656	17.6	192.4900	0.04227	5.30	2.20
FRB 20190627A	—	195.998	0.747	14.4	404.2650	0.00197	1.62	0.38
FRB 20190627B	—	256.426	40.785	65.6	430.2894	0.00295	11.43	2.08
FRB 20190627C	—	267.706	71.586	57.4	968.4857	0.00295	12.56	3.89
FRB 20190627D	—	295.342	43.840	14.4	2002.1195	0.00786	1.81	0.35
FRB 20190628A	—	199.047	51.753	14.4	745.7991	0.00197	1.13	0.23
FRB 20190628B	—	248.068	80.145	15.2	407.9764	0.00197	2.11	0.87
FRB 20190628C	—	11.519	48.588	13.1	1747.8505	0.01475	9.54	5.93
FRB 20190629A	—	6.267	12.674	14.5	503.6563	0.00393	2.93	0.62
FRB 20190630B	—	328.232	43.011	94.5	652.0307	0.01769	15.05	2.16
FRB 20190630Asub 1	FRB20190117A	331.703	17.371	33.3	392.7585	0.01868	7.17	1.49
FRB 20190630Asub 2	FRB20190117A	331.703	17.371	33.3	392.7585	0.01868	7.17	1.49
FRB 20190630C	—	67.909	80.956	13.5	1660.2517	0.00295	1.85	1.10
FRB 20190630D	—	143.456	8.900	21.3	323.4861	0.00197	2.88	0.72
FRB 20190701A	—	277.421	59.043	15.9	637.0883	0.00197	1.83	0.36
FRB 20190701B	—	302.510	80.172	19.0	749.1459	0.00197	2.18	0.69
FRB 20190701C	—	95.822	81.637	9.2	973.7864	0.00197	1.80	1.16
FRB 20190701D	—	111.988	66.695	45.4	933.3710	0.00983	8.26	3.70
FRB 20190701E	—	138.508	61.714	17.0	890.4935	0.00295	2.01	0.58
FRB 20190702A	FRB20180908B	187.991	74.215	10.3	195.5395	0.00393	1.61	0.54
FRB 20190702Bsub 1	FRB20190303A	208.148	48.253	53.8	222.1189	0.02163	8.15	1.55
FRB 20190702Bsub 2	FRB20190303A	208.148	48.253	53.8	222.1189	0.02163	8.15	1.55
FRB 20190702C	—	284.583	88.745	18.2	1560.9408	0.00492	3.87	1.78
FRB 20190708A	—	136.293	69.582	50.5	849.3289	0.00295	5.34	2.20
FRB 20190710B	—	44.222	73.615	17.4	260.4008	0.00197	0.75	0.25
FRB 20190710C	—	68.977	60.199	150.4	763.9016	0.00295	19.82	6.38
FRB 20190710A	—	141.642	63.098	71.4	203.9260	0.00197	2.95	0.97
FRB 20190712A	—	58.847	9.262	19.4	682.4076	0.00197	3.47	1.39
FRB 20190712C	—	70.763	71.120	18.1	640.2948	0.01475	—	—
FRB 20190712B	—	165.856	6.314	167.2	372.2120	0.00197	34.49	15.89
FRB 20190713A	—	24.411	73.542	16.1	334.7839	0.00197	1.08	0.38
FRB 20190713B	—	159.850	26.478	16.6	416.0574	0.00197	1.09	0.51
FRB 20190714D	—	298.137	23.604	9.5	1983.8715	0.00492	2.82	0.89
FRB 20190714C	—	131.315	29.205	21.7	1068.2945	0.00786	2.04	0.45
FRB 20190714B	—	161.245	40.864	19.4	1406.4939	0.00688	—	—
FRB 20190715C	—	203.070	60.338	25.0	880.6724	0.01573	4.10	1.62
FRB 20190715B	—	17.728	10.219	90.3	182.2892	0.00197	21.06	4.72
FRB 20190715Asub 1	—	23.270	44.564	25.4	1204.3813	0.00492	—	—
FRB 20190715Asub 2	—	23.270	44.564	25.4	1204.3813	0.00492	—	—
FRB 20190716D	—	238.189	50.925	23.0	651.3434	0.00197	2.77	0.75
FRB 20190716C	FRB20190716C	261.636	89.332	10.6	333.4333	0.00295	—	—
FRB 20190716B	—	266.252	79.785	32.5	256.5747	0.00885	7.80	2.39
FRB 20190716A	—	315.197	25.143	15.2	481.7595	0.00295	1.42	0.33
FRB 20190718A	FRB20180908B	195.022	74.220	18.8	195.0608	0.02064	6.14	2.49
FRB 20190720B	—	348.938	62.906	11.7	687.9338	0.00295	0.44	0.34
FRB 20190720A	—	3.480	49.596	66.8	432.9964	0.00295	6.60	1.98
FRB 20190721C	—	308.444	-7.768	12.7	673.1275	0.00885	—	—
FRB 20190721D	—	349.342	26.294	87.1	542.3276	0.00492	18.72	2.53
FRB 20190721A	—	99.138	66.650	55.4	286.7816	0.00197	—	—
FRB 20190722B	—	41.086	88.966	44.6	508.4265	0.00295	6.84	3.63
FRB 20190722A	—	98.622	64.232	22.5	251.4587	0.01376	2.66	0.79
FRB 20190723A	—	138.131	57.163	16.4	366.6564	0.00688	2.49	0.95
FRB 20190724A	—	5.937	19.237	—	—	—	—	—
FRB 20190725A	—	166.297	40.473	17.4	363.0990	0.00197	1.84	0.62
FRB 20190726A	—	132.673	8.892	58.2	288.0246	0.00197	16.40	6.29
FRB 20190727B	—	212.926	43.192	12.3	729.5350	0.00197	0.35	0.07
FRB 20190727A	—	354.138	45.670	42.3	596.7247	0.00393	4.92	1.51
FRB 20190728A	—	65.357	39.537	14.9	384.7608	0.00197	1.10	0.20
FRB 20190729B	—	194.380	45.546	—	—	—	—	—
FRB 20190729A	—	236.136	44.963	26.8	618.1528	0.00786	2.20	0.75
FRB 20190804Esub 1	FRB20190804E	261.218	55.011	101.6	362.8273	0.00393	6.46	1.52
FRB 20190804Esub 2	FRB20190804E	261.218	55.011	101.6	362.8273	0.00393	6.46	1.52
FRB 20190804Esub 3	FRB20190804E	261.218	55.011	101.6	362.8273	0.00393	6.46	1.52
FRB 20190804D	—	24.915	80.132	14.6	416.0694	0.00098	1.43	0.43
FRB 20190804C	—	84.892	59.828	18.5	648.5057	0.00885	4.67	1.22
FRB 20190804B	—	185.358	70.699	12.8	716.0454	0.00197	0.57	0.16
FRB 20190805D	—	216.217	74.627	16.9	261.8467	0.00688	2.45	0.57
FRB 20190805C	—	232.541	56.768	20.3	1183.2304	0.01180	3.93	1.48
FRB 20190805Esub 1	—	240.783	75.461	30.8	321.4151	0.00885	4.29	1.00
FRB 20190805Esub 2	—	240.783	75.461	30.8	321.4151	0.00885	4.29	1.00
FRB 20190805B	FRB20171019A	333.275	-8.513	16.4	463.6731	0.01868	22.23	7.73
FRB 20190805A	—	100.016	43.907	18.0	773.8067	0.00197	0.51	0.16
FRB 20190806A	FRB20190417A	294.880	59.402	16.4	1378.9148	0.03342	5.19	1.55
FRB 20190806Csub 1	—	311.848	83.401	33.7	1503.0862	0.03047	5.26	2.67
FRB 20190806Csub 2	—	311.848	83.401	33.7	1503.0862	0.03047	5.26	2.67
FRB 20190806Csub 3	—	311.848	83.401	33.7	1503.0862	0.03047	5.26	2.67
FRB 20190806Bsub 1	—	54.715	19.215	23.1	849.9872	0.00295	5.41	2.00
FRB 20190806Bsub 2	—	54.715	19.215	23.1	849.9872	0.00295	5.41	2.00
FRB 20190807B	—	332.834	13.829	13.4	396.6305	0.01769	11.24	3.56
FRB 20190807A	—	29.440	66.532	10.9	1480.5833	0.00885	2.80	1.19
FRB 20190808A	—	35.468	56.227	12.0	793.0170	0.00786	1.69	0.53
FRB 20190809C	—	296.106	39.140	12.7	832.8445	0.02949	2.85	0.71
FRB 20190809A	FRB20180916B	29.412	65.731	42.5	352.1755	0.00983	5.42	1.05
FRB 20190809B	—	74.294	50.599	10.8	1207.9977	0.00885	1.85	0.49
FRB 20190810F	—	273.102	39.181	23.4	394.7147	0.00197	1.58	0.38
FRB 20190810Asub 1	FRB20190117A	331.849	17.371	68.3	392.8059	0.02556	33.05	7.25
FRB 20190810Asub 2	FRB20190117A	331.849	17.371	68.3	392.8059	0.02556	33.05	7.25
FRB 20190810Asub 3	FRB20190117A	331.849	17.371	68.3	392.8059	0.02556	33.05	7.25
FRB 20190810Dsub 1	—	333.554	40.516	21.4	837.2579	0.00688	—	—
FRB 20190810Dsub 2	—	333.554	40.516	21.4	837.2579	0.00688	—	—
FRB 20190810B	FRB20180916B	30.125	65.728	11.7	349.6533	0.00786	—	—
FRB 20190810C	—	50.277	45.619	93.7	776.7304	0.00393	6.21	2.00
FRB 20190811D	—	291.459	-3.695	—	—	—	—	—
FRB 20190811C	—	108.028	29.987	15.3	801.3208	0.00197	2.43	0.66
FRB 20190811B	—	147.570	18.463	20.7	444.0228	0.01475	5.89	2.29
FRB 20190811A	—	199.206	72.519	15.0	951.1798	0.00197	1.08	0.73
FRB 20190812A	—	268.101	50.858	89.0	254.4529	0.00197	14.24	3.48
FRB 20190812C	—	357.717	31.053	146.9	341.1914	0.00197	14.67	2.47
FRB 20190812B	—	359.581	51.537	22.0	813.1234	0.00688	4.20	1.16
FRB 20190813D	—	282.435	85.816	13.8	561.9671	0.12583	—	—
FRB 20190813C	—	138.977	80.889	13.3	1921.9597	0.00393	3.65	1.29
FRB 20190813B	—	121.116	54.810	73.2	249.5828	0.00590	9.15	1.82
FRB 20190813A	—	356.066	78.196	32.4	408.6395	0.00492	6.79	2.41
FRB 20190814A	—	210.725	74.802	25.0	376.0094	0.00197	1.52	0.42
FRB 20190814B	—	245.396	73.294	18.7	1069.1042	0.00983	—	—
FRB 20190815D	—	231.203	53.262	75.0	803.7362	0.00197	8.00	2.32
FRB 20190815A	FRB20190117A	331.704	17.370	46.1	394.7858	0.00885	12.86	3.23
FRB 20190815C	—	74.737	70.718	39.8	1494.2586	0.00197	6.05	2.68
FRB 20190815B	—	192.496	55.261	70.3	701.3819	0.00492	8.63	1.73
FRB 20190816B	—	279.916	7.213	208.1	884.8634	0.00393	95.02	32.66
FRB 20190816A	—	207.058	86.948	59.8	827.9421	0.00688	14.57	5.59
FRB 20190817E	—	243.741	53.245	13.6	438.4264	0.00590	3.66	2.39
FRB 20190817A	FRB20180814A	65.357	73.648	16.2	191.6400	0.10420	4.90	1.42
FRB 20190817C	—	180.069	61.926	15.0	1047.5451	0.00197	1.39	0.67
FRB 20190817B	—	195.548	32.910	24.0	577.6913	0.01868	3.60	0.89
FRB 20190818D	—	294.156	36.376	15.0	682.8208	0.00590	0.58	0.38
FRB 20190818C	—	326.442	63.143	28.9	555.2541	0.00295	3.55	1.16
FRB 20190818B	—	35.434	74.027	20.1	460.9520	0.00393	3.63	0.74
FRB 20190818A	—	176.419	52.140	11.4	266.0419	0.00197	1.40	0.44
FRB 20190819B	—	279.888	66.620	59.6	297.2898	0.01278	—	—
FRB 20190819A	—	5.183	54.252	24.1	824.8318	0.00197	2.22	0.63
FRB 20190820B	—	268.920	37.611	20.3	846.9124	0.00197	1.73	0.37
FRB 20190820A	—	296.796	26.167	22.6	1526.3017	0.01573	11.21	2.24
FRB 20190821E	—	280.457	48.913	31.2	351.5710	0.00393	3.94	1.30
FRB 20190821D	—	4.090	41.819	21.1	296.1050	0.00295	1.27	0.21
FRB 20190821C	—	63.374	78.119	51.7	521.8038	0.00393	11.52	2.69
FRB 20190821B	—	129.395	3.593	40.2	163.3874	0.00197	4.50	1.89
FRB 20190821A	—	194.510	82.156	53.0	535.7673	0.01376	15.54	5.88
FRB 20190822A	—	200.885	41.647	17.6	1625.4789	0.00492	2.03	0.57
FRB 20190823A	—	172.869	87.140	12.8	1440.5079	0.00590	3.45	0.77
FRB 20190824A	FRB20190117A	331.833	17.377	12.5	396.3800	0.01180	6.27	1.51
FRB 20190824E	—	5.732	25.260	23.3	570.4252	0.01475	5.17	1.89
FRB 20190824D	—	48.202	80.190	16.8	2288.3183	0.00197	4.06	1.18
FRB 20190824I	—	164.566	-9.053	23.1	585.6596	0.00197	10.59	7.54
FRB 20190824C	—	176.419	80.536	20.2	377.7962	0.00197	3.66	1.05
FRB 20190824B	—	195.782	43.083	24.8	397.5421	0.03342	3.58	0.86
FRB 20190825G	—	327.083	77.922	13.5	636.8542	0.00197	1.12	0.26
FRB 20190825Asub 1	FRB20180916B	29.593	65.731	121.8	349.2526	0.00590	17.59	3.11
FRB 20190825Asub 2	FRB20180916B	29.593	65.731	121.8	349.2526	0.00590	17.59	3.11
FRB 20190825Bsub 1	FRB20180916B	29.455	65.720	21.3	348.8606	0.00590	2.67	0.70
FRB 20190825Bsub 2	FRB20180916B	29.455	65.720	21.3	348.8606	0.00590	2.67	0.70
FRB 20190825E	—	30.787	57.782	39.4	450.8425	0.00197	3.20	0.84
FRB 20190825C	FRB20180916B	32.852	65.733	20.7	350.1513	0.00492	3.24	0.60
FRB 20190825D	—	49.406	51.577	12.8	711.8296	0.02163	2.72	1.00
FRB 20190826B	—	55.261	79.924	201.5	313.4295	0.00295	16.72	4.58
FRB 20190826A	—	112.546	81.204	17.1	2310.2641	0.01868	11.80	3.26
FRB 20190827A	—	328.806	66.966	12.5	701.0959	0.01180	5.53	2.32
FRB 20190829B	—	9.731	52.707	10.0	1398.6811	0.00590	1.51	0.58
FRB 20190829C	—	61.467	42.141	19.1	435.1611	0.00197	1.21	0.33
FRB 20190829A	—	141.103	82.297	35.3	771.7663	0.00393	5.85	2.14
FRB 20190901B	—	264.578	27.951	120.7	762.6755	0.00197	12.44	2.97
FRB 20190901A	—	113.243	40.412	31.9	131.6422	0.00197	1.24	0.47
FRB 20190902C	—	260.377	68.698	17.1	845.0832	0.00197	1.79	0.60
FRB 20190902D	—	7.711	33.104	16.0	178.2231	0.00197	1.75	0.68
FRB 20190902B	—	85.472	35.616	17.6	758.1775	0.00197	2.20	0.67
FRB 20190902E	—	86.754	18.372	22.0	1660.8295	0.00197	4.03	1.48
FRB 20190902A	—	121.068	52.090	16.7	577.7530	0.00393	2.65	1.00
FRB 20190903D	—	224.348	34.097	11.6	707.2180	0.00197	0.92	0.64
FRB 20190903C	—	26.755	51.160	37.3	876.9692	0.00197	4.83	1.41
FRB 20190903A	—	47.941	21.410	93.9	213.1451	0.00197	12.31	2.66
FRB 20190903B	—	113.650	27.092	21.4	794.2791	0.00197	1.58	0.40
FRB 20190903E	—	183.582	41.253	71.8	543.5055	0.00197	5.76	1.35
FRB 20190904A	—	76.668	7.238	8.8	906.1135	0.02064	7.03	3.02
FRB 20190905B	—	260.036	13.273	19.4	252.8727	0.00295	5.14	1.45
FRB 20190905A	FRB20190905A	73.916	89.640	20.6	253.8554	0.00295	1.81	0.68
FRB 20190906A	—	214.797	50.571	—	—	—	—	—
FRB 20190907C	—	261.720	74.561	91.0	458.0367	0.00393	18.00	5.83
FRB 20190907B	—	340.116	72.743	17.0	619.1130	0.00295	4.44	1.62

501–750 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.