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 20230425D	—	192.250	45.169	15.1	398.1584	0.00197	0.93	0.42
FRB 20230425E	—	203.537	5.249	17.5	955.8727	0.00197	3.03	0.68
FRB 20230425F	—	213.337	47.875	11.7	641.2708	0.01180	—	—
FRB 20230425G	—	219.165	50.571	14.4	657.3050	0.00295	2.35	0.64
FRB 20230425H	—	2.204	54.229	18.5	262.8816	0.01081	1.27	0.52
FRB 20230426A	—	98.338	46.626	15.4	541.2292	0.00393	1.11	0.31
FRB 20230426B	—	183.744	-5.491	12.2	358.5425	0.00295	2.56	0.95
FRB 20230426C	—	273.199	62.210	13.2	1130.5427	0.00197	1.82	0.48
FRB 20230426E	—	326.111	35.119	11.9	761.6007	0.00393	1.44	0.54
FRB 20230426F	—	327.574	55.772	39.5	1360.0036	0.00786	4.64	1.00
FRB 20230427A	—	301.330	82.177	62.6	722.8788	0.00295	—	—
FRB 20230428A	—	102.322	55.301	106.2	681.7068	0.02753	34.38	7.05
FRB 20230428B	—	63.972	81.317	18.4	745.0452	0.00197	—	—
FRB 20230428C	—	312.876	64.934	14.0	456.3702	0.00197	0.40	0.34
FRB 20230429A	—	126.875	43.429	22.4	227.6238	0.00197	0.83	0.20
FRB 20230429C	—	290.451	86.273	14.3	1410.0855	0.00393	—	—
FRB 20230429D	—	328.531	53.784	58.4	531.0864	0.00197	2.86	0.58
FRB 20230430A	—	190.541	45.566	13.2	1153.0598	0.00786	1.56	0.68
FRB 20230501D	—	132.614	11.445	—	—	—	—	—
FRB 20230501B	—	150.526	49.433	14.2	1660.9038	0.00393	3.32	1.15
FRB 20230501C	—	185.896	23.359	20.3	316.7314	0.00197	—	—
FRB 20230502A	—	307.012	53.897	38.8	1036.7077	0.00590	3.74	1.07
FRB 20230502Esub 1	—	18.375	28.181	26.3	507.1272	0.01966	3.09	0.92
FRB 20230502Esub 2	—	18.375	28.181	26.3	507.1272	0.01966	3.09	0.92
FRB 20230502Esub 3	—	18.375	28.181	26.3	507.1272	0.01966	3.09	0.92
FRB 20230503A	—	114.881	26.694	14.9	449.2821	0.00885	0.32	1.14
FRB 20230503D	—	1.762	22.658	14.0	721.8522	0.00492	2.80	0.67
FRB 20230504A	—	209.648	45.159	10.4	1698.1608	0.00492	1.91	0.87
FRB 20230504B	—	269.550	64.089	73.1	480.7603	0.00786	—	—
FRB 20230504G	—	238.958	89.090	44.8	1437.5086	0.00393	—	—
FRB 20230504H	—	20.323	18.705	28.0	472.2284	0.00688	9.19	2.72
FRB 20230504I	—	31.087	68.573	18.6	1087.2837	0.07864	—	—
FRB 20230504J	—	47.256	26.553	13.9	1028.5362	0.00393	1.11	0.32
FRB 20230504K	—	81.918	55.129	12.5	1168.9692	0.00393	1.33	0.26
FRB 20230505A	—	113.492	62.079	13.8	550.5273	0.00197	1.67	0.70
FRB 20230505B	—	264.807	70.359	33.0	585.4861	0.00197	2.43	1.16
FRB 20230505G	—	81.372	66.634	99.7	371.3533	0.00197	12.96	5.95
FRB 20230506A	—	109.758	89.374	10.1	689.5762	0.00492	2.13	0.98
FRB 20230506B	—	35.862	59.905	14.5	1085.7448	0.00885	4.30	1.04
FRB 20230507B	—	283.557	21.025	15.9	624.9067	0.00786	3.87	0.73
FRB 20230507C	—	69.121	85.123	186.1	657.0346	0.00295	30.46	14.48
FRB 20230508A	—	213.950	41.253	20.1	578.8146	0.00197	0.68	0.26
FRB 20230508B	—	229.880	35.308	23.1	356.3315	0.01376	4.07	1.62
FRB 20230508C	—	324.113	6.645	37.2	569.7104	0.01081	10.24	2.37
FRB 20230508D	—	162.419	88.222	—	—	—	—	—
FRB 20230509A	—	130.275	84.038	18.2	1067.0299	0.00885	—	—
FRB 20230509B	—	145.178	88.329	22.3	1264.0131	0.00393	—	—
FRB 20230510A	—	150.326	59.016	72.3	447.4017	0.01573	10.99	1.86
FRB 20230510D	—	305.379	80.183	28.0	773.8986	0.00492	3.60	1.05
FRB 20230511A	—	146.660	34.687	—	—	—	—	—
FRB 20230511B	—	254.529	-3.626	19.0	191.6189	0.00197	4.03	1.52
FRB 20230511D	—	23.706	17.807	37.7	1466.4979	0.00393	3.87	1.29
FRB 20230512A	—	118.566	58.731	25.0	641.5280	0.02163	6.19	1.27
FRB 20230512B	—	136.754	34.919	18.7	1238.0224	0.00197	2.34	0.76
FRB 20230512C	—	216.071	65.518	11.8	323.3187	0.01180	1.87	0.79
FRB 20230512F	—	53.522	55.835	30.4	1012.2576	0.00492	5.85	1.49
FRB 20230513A	—	135.048	61.520	33.7	662.6224	0.00197	2.78	0.62
FRB 20230513B	—	344.201	28.177	26.6	861.5453	0.00492	3.24	0.94
FRB 20230513C	—	26.894	55.420	13.2	553.2411	0.01966	1.74	0.37
FRB 20230513D	—	63.850	-2.444	27.7	411.6290	0.00295	7.73	2.67
FRB 20230514A	—	162.267	79.770	52.0	373.0389	0.00197	4.48	1.19
FRB 20230524A	—	10.343	9.191	23.9	445.6215	0.00786	4.90	2.23
FRB 20230524B	—	73.815	66.508	35.6	440.1441	0.01081	5.33	2.68
FRB 20230525A	—	234.085	12.849	20.1	370.5632	0.00393	2.58	0.38
FRB 20230525B	—	340.442	35.502	14.5	234.2287	0.00197	1.69	0.86
FRB 20230525C	—	106.958	40.396	—	—	—	—	—
FRB 20230525D	—	111.807	52.857	34.9	525.0513	0.00197	2.67	0.79
FRB 20230527B	—	349.434	46.477	27.6	374.1880	0.00098	1.05	0.47
FRB 20230528A	—	248.497	48.202	25.3	375.3667	0.01376	4.21	0.94
FRB 20230528B	—	325.753	44.939	11.3	877.6304	0.00492	1.59	0.71
FRB 20230528E	—	50.685	25.372	69.6	645.0569	0.01671	16.34	4.13
FRB 20230528F	—	57.157	-9.229	10.9	278.4222	0.00590	3.03	1.47
FRB 20230529A	—	330.373	23.395	19.1	567.2566	0.04817	2.72	0.75
FRB 20230530A	—	174.690	16.213	11.7	430.8933	0.00393	0.21	0.10
FRB 20230530C	—	102.299	87.286	15.1	677.2652	0.00197	—	—
FRB 20230601A	—	131.292	18.459	—	—	—	—	—
FRB 20230601B	—	214.324	56.414	17.1	775.1096	0.00393	1.41	0.48
FRB 20230601G	—	337.582	31.074	13.6	484.0672	0.00295	1.83	0.61
FRB 20230601F	—	118.236	65.888	17.3	739.0286	0.00393	3.57	1.31
FRB 20230602A	—	244.977	25.422	29.5	794.0686	0.00197	4.28	0.94
FRB 20230602B	—	257.123	59.480	53.3	248.6673	0.00197	2.17	0.28
FRB 20230602D	—	53.976	54.923	38.7	1589.0950	0.01868	11.94	3.83
FRB 20230602E	—	305.456	73.940	23.4	294.0528	0.00295	1.76	0.27
FRB 20230604A	—	22.535	64.092	49.5	531.4397	0.00688	—	—
FRB 20230605E	—	229.840	67.929	10.7	496.8764	0.00786	1.90	0.82
FRB 20230605A	—	309.144	56.439	21.6	1783.9757	0.00492	2.67	1.14
FRB 20230605B	—	5.503	63.018	23.4	983.3764	0.01868	—	—
FRB 20230607A	—	328.554	11.237	10.6	367.7784	0.00885	5.04	2.16
FRB 20230607B	—	234.355	86.572	11.5	665.6087	0.00197	—	—
FRB 20230614A	—	192.544	20.605	92.0	741.6123	0.00197	8.87	3.09
FRB 20230614B	—	206.151	53.204	111.7	1415.7726	0.00393	11.76	3.90
FRB 20230614C	—	245.838	37.266	12.4	192.7804	0.00197	1.41	0.46
FRB 20230615A	—	77.978	61.658	41.9	696.8128	0.00688	10.90	3.09
FRB 20230615B	—	80.525	10.017	11.1	608.0196	0.00197	2.62	1.31
FRB 20230615C	—	99.079	46.627	27.6	759.7337	0.00197	2.63	0.97
FRB 20230616A	—	186.349	28.434	90.8	918.9490	0.00295	11.60	4.14
FRB 20230617A	—	72.185	37.567	20.7	446.1374	0.01671	5.48	1.39
FRB 20230618A	—	22.221	77.464	22.7	288.4032	0.00393	2.93	1.13
FRB 20230618B	—	24.428	44.546	103.5	593.7150	0.00197	—	—
FRB 20230619A	—	329.091	29.841	31.0	598.7463	0.00393	5.58	2.84
FRB 20230620A	—	213.899	6.845	57.0	615.1238	0.00197	5.41	2.03
FRB 20230620B	—	328.560	74.418	48.5	771.5323	0.00393	11.28	4.83
FRB 20230621A	—	54.575	79.285	11.6	726.9543	0.00295	1.95	0.52
FRB 20230624A	—	179.292	-6.173	18.9	378.8867	0.01278	6.42	2.42
FRB 20230624D	—	17.982	67.316	16.3	1271.9805	0.00197	2.28	1.15
FRB 20230625A	—	87.113	76.599	40.9	472.2886	0.00295	6.22	2.11
FRB 20230625D	—	291.911	12.248	12.8	784.4995	0.00393	6.58	2.26
FRB 20230625C	—	71.873	82.497	18.0	202.7645	0.06291	7.04	3.41
FRB 20230626B	—	177.642	27.182	25.4	277.0301	0.00197	1.07	0.40
FRB 20230627F	—	234.160	87.505	14.0	335.3312	0.00197	—	—
FRB 20230628Bsub 1	—	204.155	75.505	22.9	459.1263	0.02064	6.60	2.62
FRB 20230628Bsub 2	—	204.155	75.505	22.9	459.1263	0.02064	6.60	2.62
FRB 20230628C	—	236.317	42.008	17.1	524.5520	0.00393	2.34	1.16
FRB 20230629A	—	339.620	30.654	30.4	296.6512	0.00393	2.51	1.38
FRB 20230629F	—	351.591	82.865	15.8	252.6904	0.00197	—	—
FRB 20230629Jsub 1	—	26.259	70.630	14.3	680.5278	0.01376	3.75	2.35
FRB 20230629Jsub 2	—	26.259	70.630	14.3	680.5278	0.01376	3.75	2.35
FRB 20230629G	—	65.407	77.536	28.4	596.1285	0.02163	6.64	2.80
FRB 20230629H	—	83.819	37.991	13.5	934.6696	0.00688	2.10	0.78
FRB 20230629I	—	130.242	70.002	36.1	560.4247	0.04030	12.76	9.03
FRB 20230630A	—	242.469	42.776	29.5	297.3706	0.00983	—	—
FRB 20230630B	—	296.970	5.015	76.3	285.7441	0.00197	11.21	3.26
FRB 20230702B	—	250.990	38.046	21.1	874.4401	0.00197	2.32	0.53
FRB 20230702C	—	273.563	36.007	14.3	400.1309	0.00983	2.32	0.96
FRB 20230702F	—	78.869	61.401	17.0	841.5009	0.00295	2.44	0.91
FRB 20230702A	—	133.638	26.311	59.4	599.1935	0.00295	6.96	0.81
FRB 20230703Asub 1	—	184.780	48.674	48.5	291.2954	0.00393	5.43	1.66
FRB 20230703Asub 2	—	184.780	48.674	48.5	291.2954	0.00393	5.43	1.66
FRB 20230703B	—	199.737	57.613	14.3	185.4621	0.00197	0.98	0.25
FRB 20230703C	—	226.219	51.627	27.4	419.2426	0.00492	4.34	1.16
FRB 20230703E	—	30.153	22.241	21.6	566.4112	0.00197	2.10	0.39
FRB 20230703F	—	120.719	8.370	27.7	767.5485	0.02556	2.95	0.84
FRB 20230704A	—	1.499	88.946	16.3	1500.6633	0.00197	—	—
FRB 20230704D	—	317.890	1.687	14.5	1079.1965	0.00492	1.52	1.28
FRB 20230704C	—	123.360	60.696	18.5	600.3809	0.01081	3.78	0.78
FRB 20230705A	—	158.215	80.989	34.5	372.9042	0.00197	2.90	0.98
FRB 20230705D	—	33.391	43.380	31.4	827.5506	0.00295	0.94	0.17
FRB 20230705E	—	61.592	8.239	22.1	596.0923	0.00197	9.56	7.19
FRB 20230706C	—	57.755	43.423	23.3	680.1068	0.00197	0.94	0.17
FRB 20230706D	—	73.138	32.366	16.2	1238.6313	0.00197	2.40	0.85
FRB 20230706E	—	95.147	21.066	—	—	—	—	—
FRB 20230709B	—	61.612	57.815	20.7	514.8076	0.00295	3.77	0.57
FRB 20230710A	—	327.232	24.829	13.0	1248.3450	0.00688	3.07	1.09
FRB 20230712B	—	299.364	24.891	23.6	582.0884	0.00492	3.67	0.44
FRB 20230714A	—	11.569	82.450	44.4	691.4009	0.00885	—	—
FRB 20230715B	—	37.860	17.367	16.7	484.3725	0.00197	2.31	0.59
FRB 20230716A	—	88.993	38.400	15.4	503.9159	0.00590	3.17	0.80
FRB 20230717A	—	272.039	42.248	163.9	292.0248	0.00197	20.36	4.65
FRB 20230717B	—	66.643	62.565	11.5	704.6714	0.00197	—	—
FRB 20230717C	—	71.228	17.222	286.8	231.1639	0.00590	63.68	15.77
FRB 20230718B	—	41.261	22.695	11.0	995.6443	0.00688	2.12	0.60
FRB 20230718C	—	109.916	44.709	20.9	1793.8095	0.02163	4.82	1.47
FRB 20230719B	—	177.614	49.841	—	—	—	—	—
FRB 20230720C	—	345.188	73.270	52.1	848.2452	0.00197	5.17	4.16
FRB 20230720A	—	4.745	21.332	183.5	532.5506	0.01769	55.12	7.99
FRB 20230720D	—	5.095	86.197	46.9	579.0162	0.00590	—	—
FRB 20230721A	—	301.305	49.628	38.0	535.6407	0.00197	3.87	0.98
FRB 20230721C	—	71.737	27.846	20.3	1001.4636	0.03637	5.29	0.54
FRB 20230722A	—	44.176	49.909	44.4	583.9032	0.05407	30.38	8.45
FRB 20230722B	—	79.337	82.514	14.2	1023.1243	0.00197	—	—
FRB 20230724B	—	23.570	7.665	9.2	1326.2030	0.01769	9.62	6.05
FRB 20230724A	—	149.971	25.905	44.8	1849.2639	0.01081	13.92	3.34
FRB 20230725B	—	245.220	57.533	34.3	797.6883	0.00492	7.71	2.18
FRB 20230725E	—	40.003	21.811	—	—	—	—	—
FRB 20230725F	—	67.459	20.999	44.6	838.3205	0.00197	5.61	1.70
FRB 20230725G	—	117.626	58.728	27.5	596.0025	0.00197	2.56	0.44
FRB 20230725A	—	—	—	14.0	198.5670	0.00983	—	—
FRB 20230726B	—	103.972	30.405	13.9	304.4240	0.00688	2.50	0.78
FRB 20230727C	—	298.430	62.156	15.5	700.7319	0.00197	1.17	0.51
FRB 20230727A	—	41.467	65.729	9.0	707.1438	0.00688	2.25	1.27
FRB 20230727B	—	184.025	81.133	18.9	750.2872	0.00197	2.86	0.95
FRB 20230728A	—	220.512	65.524	25.5	1314.3437	0.00492	5.18	0.66
FRB 20230728B	—	327.683	19.608	15.3	1548.8610	0.00492	0.88	0.60
FRB 20230728C	—	335.989	52.694	15.4	1645.8376	0.01081	3.69	1.36
FRB 20230729A	—	236.009	39.598	49.5	599.5297	0.00885	5.93	1.20
FRB 20230729B	—	131.243	83.222	11.0	213.8736	0.00492	—	—
FRB 20230729C	—	11.964	73.982	14.9	761.8801	0.02851	—	—
FRB 20230730B	—	0.271	42.575	16.8	451.0133	0.01573	1.08	0.05
FRB 20230730A	—	51.032	33.094	104.0	312.5491	0.00197	8.71	2.41
FRB 20230730C	—	72.273	13.698	12.5	227.1661	0.00197	1.52	0.83
FRB 20230801A	—	220.939	70.002	24.5	759.4017	0.00197	1.54	0.75
FRB 20230801B	—	190.868	57.223	14.8	889.4624	0.00393	1.85	0.42
FRB 20230802B	—	230.534	28.805	49.3	698.5491	0.06488	—	—
FRB 20230802Asub 1	—	339.361	30.811	135.7	305.5478	0.00786	28.33	4.48
FRB 20230802Asub 2	—	339.361	30.811	135.7	305.5478	0.00786	28.33	4.48
FRB 20230802Asub 3	—	339.361	30.811	135.7	305.5478	0.00786	28.33	4.48
FRB 20230802D	—	7.329	22.662	15.1	1184.7465	0.01671	7.96	1.51
FRB 20230803C	—	32.673	53.089	32.9	1296.2610	0.00983	10.23	3.08
FRB 20230803D	—	72.182	81.984	114.5	780.4323	0.00197	—	—
FRB 20230805A	—	35.915	52.706	44.1	639.3740	0.00393	9.38	2.74
FRB 20230805C	—	78.948	19.686	23.5	579.2414	0.00197	—	—
FRB 20230807A	—	251.889	6.051	75.4	273.8300	0.00197	11.03	3.21
FRB 20230808A	—	312.208	60.929	16.7	892.6912	0.00786	1.81	0.59
FRB 20230810A	—	175.719	20.301	—	—	—	—	—
FRB 20230811A	—	228.252	36.873	135.6	358.3208	0.00197	10.88	3.75
FRB 20230812A	—	188.290	55.278	20.8	903.4324	0.00688	5.48	1.29
FRB 20230813A	—	261.559	80.694	16.5	932.6346	0.00295	1.84	0.40
FRB 20230814C	—	330.747	73.045	23.9	696.5949	0.00197	1.50	0.52
FRB 20230814D	—	337.069	78.791	13.7	537.3941	0.00590	—	—
FRB 20230814G	—	347.277	48.797	17.0	225.6374	0.01475	3.34	0.92
FRB 20230814H	—	14.260	86.693	26.8	856.4615	0.00197	2.83	0.66
FRB 20230815D	—	5.352	64.233	—	—	—	—	—
FRB 20230817A	—	86.199	55.914	15.5	669.5195	0.00197	1.89	0.43
FRB 20230817B	—	193.261	53.326	43.0	1028.6134	0.00688	13.90	3.46
FRB 20230825C	—	41.340	77.887	60.8	210.0563	0.00197	—	—
FRB 20230825D	—	347.404	48.793	15.4	220.8513	0.02949	3.04	0.90
FRB 20230825Esub 1	—	347.290	48.805	72.6	222.1062	0.06291	23.10	6.86
FRB 20230825Esub 2	—	347.290	48.805	72.6	222.1062	0.06291	23.10	6.86
FRB 20230825F	—	347.283	48.664	77.8	221.1629	0.01278	15.20	3.41
FRB 20230825G	—	347.458	48.682	29.3	222.4998	0.01180	5.23	1.84
FRB 20230825H	—	347.338	48.798	24.0	222.2945	0.02359	—	—
FRB 20230825Isub 1	—	347.406	48.796	20.8	222.7263	0.05112	8.39	1.62
FRB 20230825Isub 2	—	347.406	48.796	20.8	222.7263	0.05112	8.39	1.62
FRB 20230825J	—	30.016	69.388	20.5	311.3184	0.00197	2.87	1.11
FRB 20230825A	—	88.894	45.776	22.0	1040.1657	0.00295	2.98	1.03
FRB 20230825B	—	125.366	30.035	23.3	531.9105	0.00492	3.56	1.05
FRB 20230826E	—	141.386	22.462	44.8	523.0830	0.00786	—	—
FRB 20230827A	—	243.641	27.112	26.1	783.1394	0.00295	3.55	0.98
FRB 20230827D	—	135.969	80.359	19.0	246.6014	0.00492	3.80	1.27
FRB 20230828C	—	290.517	84.789	14.1	219.8272	0.00295	2.06	1.26
FRB 20230828A	—	20.837	34.455	117.4	377.7496	0.00393	17.32	6.54
FRB 20230829B	—	87.628	88.924	34.3	309.0343	0.00197	4.19	1.67
FRB 20230830A	—	1.826	51.676	13.1	877.3208	0.00590	2.29	0.61
FRB 20230831A	—	246.615	21.653	26.1	1371.9308	0.00295	—	—
FRB 20230831C	—	32.911	26.940	15.6	330.6784	0.12583	1.26	0.44
FRB 20230831D	—	132.894	82.380	80.4	590.3157	0.00197	8.70	3.37
FRB 20230831E	—	145.594	25.895	—	—	—	—	—
FRB 20230901B	—	86.198	63.796	24.9	467.9324	0.00197	—	—
FRB 20230902C	—	122.975	59.127	12.3	485.9406	0.00688	1.95	0.46
FRB 20230904Asub 1	—	307.951	74.466	79.7	147.7851	0.00197	11.82	2.65
FRB 20230904Asub 2	—	307.951	74.466	79.7	147.7851	0.00197	11.82	2.65
FRB 20230904C	—	136.152	36.624	38.9	956.4515	0.02064	7.16	3.54
FRB 20230905A	—	298.804	48.752	334.9	291.7278	0.00098	24.68	6.55
FRB 20230905C	—	355.747	21.357	33.7	299.1752	0.00197	3.78	0.95
FRB 20230905D	—	94.866	14.027	899.6	443.6525	0.02654	—	—
FRB 20230906A	—	285.365	44.246	14.3	1300.6896	0.00492	3.86	1.59
FRB 20230906B	—	43.765	21.393	23.1	482.0061	0.03342	3.74	0.44
FRB 20230908C	—	200.659	36.541	26.5	171.4056	0.00786	6.09	2.43
FRB 20230909A	—	279.834	0.025	14.5	744.7857	0.01081	14.64	5.65
FRB 20230909F	—	13.275	13.603	20.7	826.4626	0.00197	4.17	2.11
FRB 20230909D	—	188.278	54.716	23.2	529.2811	0.00393	2.54	0.63
FRB 20230909E	—	205.430	58.002	23.6	682.4658	0.04817	—	—
FRB 20230910C	—	56.874	29.881	19.1	660.0990	0.02261	2.15	1.64
FRB 20230910D	—	137.421	43.196	20.5	875.0421	0.00983	0.75	0.39
FRB 20230911A	—	51.545	2.559	246.8	351.9463	0.00197	105.51	36.61
FRB 20230911Bsub 1	—	89.691	56.930	208.6	268.5958	0.02556	55.38	20.87
FRB 20230911Bsub 2	—	89.691	56.930	208.6	268.5958	0.02556	55.38	20.87
FRB 20230911Bsub 3	—	89.691	56.930	208.6	268.5958	0.02556	55.38	20.87
FRB 20230912F	—	235.120	69.580	—	—	—	—	—
FRB 20230912A	—	257.981	57.901	16.9	604.2056	0.01376	4.07	1.16

3,501–3,750 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.