IllustrisTNG - TNG300-3 Data Downloads

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Simulation Details:

Parameter Description	Value
simulation name	TNG300-3
alternative simulation name	L205n625TNG
short description of run	Low resolution (level 3) IllustrisTNG300 run including the full TNG physics model.
side length of simulation box [ckpc/h]	205000.0
average gas cell mass [10^10 msun/h] (0=no gas)	0.047599104
dark matter particle mass [10^10 msun/h]	0.254939359915231
number of dark matter particles	244140625
number of gas tracer particles	244140625
starting redshift (e.g. z=99)	127.0
ending redshift (e.g. z=0)	0.0
short description of cosmological parameters (e.g. 'WMAP-7')	Planck2015
total matter density (e.g. 0.27)	0.3089
dark energy density (e.g. 0.73)	0.6911
baryonic matter density (e.g. 0.04)	0.0486
hubble constant 'little h' in units of [100 km/s/Mpc]	0.6774
short description of implemented physics models	Fiducial TNG Model
has radiative gas cooling (false for non-radiative runs)	True
has star formation (false for non-radiative runs)	True
has galactic-scale winds from star formation feedback (fiducial parameters)	True
has supermassive blackhole formation, accretion, and feedback (fiducial parameters)	True
is a uniform mass, full periodic, cosmological volume	True
is a non-periodic subbox embedded within a larger volume (high time resolution)	False
[friends of friends] group catalogs exist	True
[subfind] group catalogs exist	True
[rockstar] group catalogs exist	False
[lhalotree] merger tree exists	True
[sublink] merger tree exists	True
[consistent trees] merger tree exists	False

Snapshot List:

TNG300-3 has [100] snapshots available, with 3.1 TB total data volume.

Over all snapshots, have 31,568,496 FoF groups, 31,663,520 Subfind groups, and 47,960,840,054 particles.

Snapshot [#]	Redshift	Age [Gyr]	Lookback [Gyr]	Gas Cells [#]	Stars [#]	BHs [#]	FoF Groups [#]	Subfind Groups [#]	Download Snapshot	Download FoF & Subfind
0	20.05	0.179	13.624	244140625	0	0	0	0	[Snapshot] (23.6 GB)	[Groupcat] (410.0 KB)
1	14.99	0.271	13.532	244140625	0	0	0	0	[Snapshot] (23.6 GB)	[Groupcat] (410.0 KB)
2	11.98	0.370	13.433	244140624	0	0	0	0	[Snapshot] (65.5 GB)	[Groupcat] (410.0 KB)
3	10.98	0.418	13.385	244140616	0	5	5	5	[Snapshot] (65.5 GB)	[Groupcat] (443.0 KB)
4	10.00	0.475	13.328	244140529	0	77	71	71	[Snapshot] (65.5 GB)	[Groupcat] (531.0 KB)
5	9.39	0.517	13.286	244140404	7	139	225	225	[Snapshot] (23.6 GB)	[Groupcat] (755.5 KB)
6	9.00	0.547	13.256	244139984	25	400	415	418	[Snapshot] (65.5 GB)	[Groupcat] (1.0 MB)
7	8.45	0.596	13.207	244138999	83	957	1012	1012	[Snapshot] (23.6 GB)	[Groupcat] (1.7 MB)
8	8.01	0.640	13.163	244137622	233	1466	1976	1985	[Snapshot] (65.5 GB)	[Groupcat] (2.6 MB)
9	7.60	0.687	13.116	244134012	532	3118	3658	3671	[Snapshot] (23.6 GB)	[Groupcat] (4.0 MB)
10	7.24	0.732	13.071	244129811	1101	4246	5982	5991	[Snapshot] (23.6 GB)	[Groupcat] (6.0 MB)
11	7.01	0.764	13.039	244124407	1588	6142	8179	8216	[Snapshot] (65.5 GB)	[Groupcat] (8.0 MB)
12	6.49	0.844	12.959	244101347	3819	16421	15161	15237	[Snapshot] (23.6 GB)	[Groupcat] (14.0 MB)
13	6.01	0.932	12.871	244063716	8324	25137	26432	26561	[Snapshot] (65.5 GB)	[Groupcat] (23.8 MB)
14	5.85	0.965	12.838	244043138	10037	33977	31269	31364	[Snapshot] (23.6 GB)	[Groupcat] (28.0 MB)
15	5.53	1.036	12.767	244004567	16407	33708	43983	44079	[Snapshot] (23.6 GB)	[Groupcat] (39.0 MB)
16	5.23	1.112	12.691	243929464	24909	55006	58740	58837	[Snapshot] (23.6 GB)	[Groupcat] (51.8 MB)
17	5.00	1.177	12.626	243863668	33803	58578	72707	72591	[Snapshot] (65.4 GB)	[Groupcat] (63.7 MB)
18	4.66	1.282	12.521	243714970	50871	82029	96545	96260	[Snapshot] (23.6 GB)	[Groupcat] (84.3 MB)
19	4.43	1.366	12.437	243589211	66968	84893	117103	116643	[Snapshot] (23.6 GB)	[Groupcat] (102.0 MB)
20	4.18	1.466	12.337	243374895	86478	113139	140774	139667	[Snapshot] (23.6 GB)	[Groupcat] (122.0 MB)
21	4.01	1.540	12.263	243215860	103395	113515	158582	156950	[Snapshot] (65.3 GB)	[Groupcat] (137.1 MB)
22	3.71	1.689	12.115	242848308	138741	134512	192713	190026	[Snapshot] (23.6 GB)	[Groupcat] (166.0 MB)
23	3.49	1.812	11.991	242478780	169217	170561	218452	214599	[Snapshot] (23.6 GB)	[Groupcat] (187.5 MB)
24	3.28	1.944	11.859	242150216	204544	165238	246162	241272	[Snapshot] (23.6 GB)	[Groupcat] (210.9 MB)
25	3.01	2.145	11.658	241475568	262252	243422	278331	271945	[Snapshot] (65.0 GB)	[Groupcat] (237.8 MB)
26	2.90	2.238	11.565	241187235	291118	279104	292546	285160	[Snapshot] (23.5 GB)	[Groupcat] (249.4 MB)
27	2.73	2.384	11.419	240791855	336372	225441	315757	307380	[Snapshot] (23.5 GB)	[Groupcat] (268.9 MB)
28	2.58	2.539	11.264	240249645	388477	346940	330063	321055	[Snapshot] (23.5 GB)	[Groupcat] (280.9 MB)
29	2.44	2.685	11.118	239842239	436549	286135	348367	338415	[Snapshot] (23.5 GB)	[Groupcat] (296.1 MB)
30	2.32	2.839	10.964	239419937	490721	262099	363631	353320	[Snapshot] (23.4 GB)	[Groupcat] (309.1 MB)
31	2.21	2.981	10.823	239021573	541001	266039	374920	364653	[Snapshot] (23.4 GB)	[Groupcat] (318.9 MB)
32	2.10	3.129	10.674	238614682	593592	266609	386060	375319	[Snapshot] (23.4 GB)	[Groupcat] (328.3 MB)
33	2.00	3.285	10.519	238193373	649764	270488	395397	384814	[Snapshot] (64.5 GB)	[Groupcat] (336.5 MB)
34	1.90	3.447	10.356	237625422	707027	390668	398515	387848	[Snapshot] (23.4 GB)	[Groupcat] (339.1 MB)
35	1.82	3.593	10.210	237223176	757713	395201	403308	392821	[Snapshot] (23.4 GB)	[Groupcat] (343.4 MB)
36	1.74	3.744	10.059	236805557	810822	427217	407860	398139	[Snapshot] (23.3 GB)	[Groupcat] (347.8 MB)
37	1.67	3.902	9.901	236538381	865581	282572	419810	409347	[Snapshot] (23.3 GB)	[Groupcat] (357.7 MB)
38	1.60	4.038	9.766	236168976	910601	289853	422664	412239	[Snapshot] (23.3 GB)	[Groupcat] (360.2 MB)
39	1.53	4.206	9.597	235751204	966694	294347	425254	415754	[Snapshot] (23.3 GB)	[Groupcat] (363.0 MB)
40	1.50	4.293	9.510	235463048	994407	336000	423863	414207	[Snapshot] (64.0 GB)	[Groupcat] (361.7 MB)
41	1.41	4.502	9.301	234999320	1060425	318439	427099	418520	[Snapshot] (23.3 GB)	[Groupcat] (365.2 MB)
42	1.36	4.657	9.147	234627257	1108612	369438	426520	418831	[Snapshot] (23.2 GB)	[Groupcat] (365.3 MB)
43	1.30	4.816	8.987	234406599	1157314	296868	432787	425446	[Snapshot] (23.2 GB)	[Groupcat] (370.9 MB)
44	1.25	4.980	8.823	234033450	1205365	303070	432748	426140	[Snapshot] (23.2 GB)	[Groupcat] (371.3 MB)
45	1.21	5.115	8.688	233705979	1243149	321121	431070	425204	[Snapshot] (23.2 GB)	[Groupcat] (370.4 MB)
46	1.15	5.289	8.514	233338634	1291038	359436	429260	424229	[Snapshot] (23.2 GB)	[Groupcat] (369.3 MB)
47	1.11	5.431	8.372	233168402	1329309	303660	433779	428780	[Snapshot] (23.2 GB)	[Groupcat] (373.3 MB)
48	1.07	5.577	8.226	232847484	1366813	316475	431986	427445	[Snapshot] (23.2 GB)	[Groupcat] (372.0 MB)
49	1.04	5.726	8.077	232527171	1404283	399271	428423	424945	[Snapshot] (23.1 GB)	[Groupcat] (369.6 MB)
50	1.00	5.878	7.925	232356634	1441486	306564	432700	429194	[Snapshot] (63.5 GB)	[Groupcat] (373.3 MB)
51	0.95	6.073	7.730	232002271	1486549	313202	431694	428417	[Snapshot] (23.1 GB)	[Groupcat] (372.6 MB)
52	0.92	6.193	7.610	231731529	1513161	448131	424951	424454	[Snapshot] (23.1 GB)	[Groupcat] (368.5 MB)
53	0.89	6.356	7.447	231570389	1548266	309069	430239	428283	[Snapshot] (23.1 GB)	[Groupcat] (372.2 MB)
54	0.85	6.522	7.281	231265776	1582140	333888	427248	426279	[Snapshot] (23.1 GB)	[Groupcat] (370.2 MB)
55	0.82	6.692	7.111	231110229	1615430	303083	429625	428887	[Snapshot] (23.1 GB)	[Groupcat] (372.4 MB)
56	0.79	6.822	6.981	230846550	1639567	321286	426362	425989	[Snapshot] (23.1 GB)	[Groupcat] (369.8 MB)
57	0.76	6.998	6.805	230547357	1671261	424795	421325	422759	[Snapshot] (23.1 GB)	[Groupcat] (366.6 MB)
58	0.73	7.132	6.671	230435091	1694287	314112	425030	425828	[Snapshot] (23.0 GB)	[Groupcat] (369.4 MB)
59	0.70	7.314	6.489	230142281	1724403	361867	420962	422923	[Snapshot] (63.1 GB)	[Groupcat] (366.6 MB)
60	0.68	7.453	6.350	230031059	1746885	309647	423630	424687	[Snapshot] (23.0 GB)	[Groupcat] (368.4 MB)
61	0.64	7.642	6.161	229725381	1775135	314099	419453	421810	[Snapshot] (23.0 GB)	[Groupcat] (365.6 MB)
62	0.62	7.786	6.017	229612643	1796486	302584	421184	423491	[Snapshot] (23.0 GB)	[Groupcat] (367.0 MB)
63	0.60	7.932	5.872	229360358	1816597	316336	417507	420385	[Snapshot] (23.0 GB)	[Groupcat] (364.2 MB)
64	0.58	8.079	5.724	229252547	1836746	302961	419282	422094	[Snapshot] (23.0 GB)	[Groupcat] (365.7 MB)
65	0.55	8.280	5.523	228974676	1861620	309857	416372	419527	[Snapshot] (23.0 GB)	[Groupcat] (363.4 MB)
66	0.52	8.432	5.371	228871808	1880055	300705	417294	420864	[Snapshot] (23.0 GB)	[Groupcat] (364.5 MB)
67	0.50	8.587	5.216	228632937	1897091	310263	413672	418367	[Snapshot] (62.9 GB)	[Groupcat] (362.1 MB)
68	0.48	8.743	5.060	228531979	1914342	300738	415114	419339	[Snapshot] (23.0 GB)	[Groupcat] (363.0 MB)
69	0.46	8.902	4.901	228295229	1930439	311933	411352	416274	[Snapshot] (22.9 GB)	[Groupcat] (360.2 MB)
70	0.44	9.062	4.741	228198142	1946509	301334	412386	417476	[Snapshot] (22.9 GB)	[Groupcat] (361.2 MB)
71	0.42	9.225	4.578	227966568	1961504	313382	408381	414318	[Snapshot] (22.9 GB)	[Groupcat] (358.3 MB)
72	0.40	9.389	4.414	227872035	1976626	301375	410298	415790	[Snapshot] (62.7 GB)	[Groupcat] (359.7 MB)
73	0.38	9.556	4.247	227643291	1990389	316417	405811	412336	[Snapshot] (22.9 GB)	[Groupcat] (356.4 MB)
74	0.36	9.724	4.079	227550259	2004096	301839	406899	413648	[Snapshot] (22.9 GB)	[Groupcat] (357.5 MB)
75	0.35	9.837	3.966	227359660	2012574	389085	399907	408899	[Snapshot] (22.9 GB)	[Groupcat] (352.9 MB)
76	0.33	10.009	3.794	227266738	2025074	304520	404304	411432	[Snapshot] (22.9 GB)	[Groupcat] (355.5 MB)
77	0.31	10.182	3.621	227051276	2037078	422975	397155	406971	[Snapshot] (22.9 GB)	[Groupcat] (351.0 MB)
78	0.30	10.299	3.504	226990554	2044486	309189	401128	409049	[Snapshot] (62.6 GB)	[Groupcat] (353.3 MB)
79	0.27	10.535	3.269	226874398	2059046	297193	401943	410156	[Snapshot] (22.9 GB)	[Groupcat] (354.2 MB)
80	0.26	10.654	3.149	226690721	2065982	310981	397956	406848	[Snapshot] (22.9 GB)	[Groupcat] (351.2 MB)
81	0.24	10.834	2.969	226607492	2076120	299479	399391	408039	[Snapshot] (22.9 GB)	[Groupcat] (352.2 MB)
82	0.23	11.016	2.787	226397540	2085755	313573	395076	404589	[Snapshot] (22.9 GB)	[Groupcat] (349.1 MB)
83	0.21	11.138	2.665	226341960	2092068	301929	396533	405900	[Snapshot] (22.8 GB)	[Groupcat] (350.2 MB)
84	0.20	11.323	2.480	226138414	2100915	382017	390459	401191	[Snapshot] (62.4 GB)	[Groupcat] (345.8 MB)
85	0.18	11.509	2.294	226059924	2109528	302172	393991	403671	[Snapshot] (22.8 GB)	[Groupcat] (348.2 MB)
86	0.17	11.635	2.169	226008176	2115023	297695	394325	404326	[Snapshot] (22.8 GB)	[Groupcat] (348.7 MB)
87	0.15	11.824	1.979	225808158	2122860	307401	391010	401238	[Snapshot] (22.8 GB)	[Groupcat] (346.0 MB)
88	0.14	11.951	1.852	225756632	2128013	300084	391972	402086	[Snapshot] (22.8 GB)	[Groupcat] (346.8 MB)
89	0.13	12.143	1.660	225564256	2135076	329212	387330	398525	[Snapshot] (22.8 GB)	[Groupcat] (343.4 MB)
90	0.11	12.337	1.466	225487967	2142058	300250	389112	399948	[Snapshot] (22.8 GB)	[Groupcat] (344.7 MB)
91	0.10	12.467	1.336	225438264	2146510	296344	389643	400288	[Snapshot] (62.3 GB)	[Groupcat] (345.1 MB)
92	0.08	12.663	1.140	225249186	2152662	303746	385886	397578	[Snapshot] (22.8 GB)	[Groupcat] (342.5 MB)
93	0.07	12.795	1.008	225202686	2156702	298644	386502	398126	[Snapshot] (22.8 GB)	[Groupcat] (343.0 MB)
94	0.06	12.993	0.810	225016109	2162461	314497	382737	395124	[Snapshot] (22.8 GB)	[Groupcat] (340.2 MB)
95	0.05	13.127	0.676	224969387	2166263	301133	384370	396402	[Snapshot] (22.8 GB)	[Groupcat] (341.4 MB)
96	0.03	13.328	0.475	224787412	2171585	392668	377980	392156	[Snapshot] (22.8 GB)	[Groupcat] (337.2 MB)
97	0.02	13.463	0.340	224741861	2175044	305886	381389	393897	[Snapshot] (22.8 GB)	[Groupcat] (339.1 MB)
98	0.01	13.667	0.136	224674305	2179886	297624	382120	394882	[Snapshot] (22.8 GB)	[Groupcat] (339.9 MB)
99	0.00	13.803	0.000	224519197	2182971	327865	377342	391144	[Snapshot] (62.1 GB)	[Groupcat] (336.4 MB)

Initial Conditions:

TNG300-3 has its initial conditions available.

Download Initial Conditions (7.3 GB in one HDF5 file)

simulation.hdf5 file:

TNG300-3 has the virtual 'simulation.hdf5' container file available.

Download simulation.hdf5 File (30.4 MB)

Merger Trees:

TNG300-3 has the SubLink merger trees available: they contain the progenitor/descendant connectivity, and essentially all Subhalo properties.

Download SubLink Tree (29.9 GB across 66 files)

TNG300-3 has the LHaloTree merger trees available: they contain the progenitor/descendant connectivity, and the most important Subhalo properties.

Download LHaloTree (18.5 GB across 28 files)

Note: Extracting sub-trees for individual galaxies or halos

The merger trees are generally quite large. If you are interested in making a galaxy/halo selection based on a complex criterion related to assembly history, merger history, etc, then you will need to download the full tree files. If, however, you are only looking to study the merger history of a few galaxies/halos, you should instead consider extracting sub-trees on the fly using the Web API.

Supplementary Data Catalogs:

TNG300-3 has the Stellar Circularities, Angular Momenta, and Axis Ratios catalog available.

Coverage: all snapshots. All subhalos with $M_\star > 3.4 \times 10^8 M_\odot$ within $2 R_{1/2,\star}$ and at least 100 stars.
Download Stellar Circularities, Angular Momenta, and Axis Ratios (~100 MB in 1 file)

TNG300-3 has the Subhalo Matching To Dark catalog available.

Coverage: All snapshots, all subhalos (those without a match have an index value of -1).
Download Subhalo Matching To Dark (242 MB across 1 file)

TNG300-3 has the Blackhole Mergers catalog available.

Coverage: All blackholes in simulation.
Download Blackhole Mergers (824 MB across 1 file)

TNG300-3 has the Blackhole Details catalog available.

Coverage: All blackholes in simulation.
Download Blackhole Details (13 GB across 1 file)

TNG300-3 has the Stellar Assembly catalog available.

Coverage: All Subfind subhalos (galaxies) at all snapshots.
Download Stellar Assembly (1.8 GB in 1 file)

TNG300-3 has the Subbox Subhalo List catalogs available.

Coverage: All subboxes, based on the redshift zero subhalo population.
Subbox Subhalo List (Subbox #0) (a few GB)
Subbox Subhalo List (Subbox #1) (a few GB)
Subbox Subhalo List (Subbox #2) (a few GB)

TNG300-3 has the Star Formation Rates catalog available.

Coverage: All redshifts/snapshots. All subhalos above a minimum number of ~100 stellar particles.
Star Formation Rates (~300 MB for TNG50-1, ~1.5 GB for TNG100-1, ~30 GB for TNG300-1)

TNG300-3 has the Aperture Masses (Total and Stellar) catalog available.

Coverage: All full snapshots from z=0 to z=1.5. All subhalos with at least one star (TNG50 and TNG100), or at least 1000 stars (for TNG300).
Aperture Masses (Total and Stellar) (~50 MB for TNG50-1 to ~150 MB for TNG100-1)

TNG300-3 has the Merger History catalog available.

Coverage: All snapshots, each in a separate file. All subhalos.
Merger History (~few 100s MB to ~few GB, per snapshot)

Public Data Access Overview / TNG300-3 (Data Downloads)