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Simulation Details:

Parameter DescriptionValue
simulation nameTNG50-3-Dark
alternative simulation nameL35n540TNG_DM
short description of runLow resolution (level 3) IllustrisTNG50 run - dark matter only analog.
side length of simulation box [ckpc/h]35000.0
average gas cell mass [10^10 msun/h] (0=no gas)0.0
dark matter particle mass [10^10 msun/h]0.00233443590182933
number of dark matter particles157464000
number of gas tracer particles0
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 modelsDM-only
has radiative gas cooling (false for non-radiative runs)False
has star formation (false for non-radiative runs)False
has galactic-scale winds from star formation feedback (fiducial parameters)False
has supermassive blackhole formation, accretion, and feedback (fiducial parameters)False
is a uniform mass, full periodic, cosmological volumeTrue
is a non-periodic subbox embedded within a larger volume (high time resolution)False
[friends of friends] group catalogs existTrue
[subfind] group catalogs existTrue
[rockstar] group catalogs existFalse
[lhalotree] merger tree existsTrue
[sublink] merger tree existsTrue
[consistent trees] merger tree existsFalse

Snapshot List:

TNG50-3-Dark has [100] snapshots available, with 578.7 GB total data volume.

Over all snapshots, have 12,474,224 FoF groups, 14,540,357 Subfind groups, and 15,746,400,000 particles.

Snapshot
[#]
Redshift Age
[Gyr]
Lookback
[Gyr]
Gas Cells
[#]
Stars
[#]
BHs
[#]
FoF
Groups [#]
Subfind
Groups [#]
Download
Snapshot
Download
FoF & Subfind
Download
Offsets
0 20.05 0.179 13.624 0 0 0 0 0   [Snapshot] (4.7 GB)   [Groupcat] (58.6 KB)
1 14.99 0.271 13.532 0 0 0 188 189   [Snapshot] (4.7 GB)   [Groupcat] (157.9 KB)
2 11.98 0.370 13.433 0 0 0 2866 2965   [Snapshot] (9.4 GB)   [Groupcat] (1.2 MB)
3 10.98 0.418 13.385 0 0 0 6134 6378   [Snapshot] (9.4 GB)   [Groupcat] (2.4 MB)
4 10.00 0.475 13.328 0 0 0 12126 12636   [Snapshot] (9.4 GB)   [Groupcat] (4.6 MB)
5 9.39 0.517 13.286 0 0 0 17719 18481   [Snapshot] (4.7 GB)   [Groupcat] (6.6 MB)
6 9.00 0.547 13.256 0 0 0 22211 23170   [Snapshot] (9.4 GB)   [Groupcat] (8.3 MB)
7 8.45 0.596 13.207 0 0 0 30072 31563   [Snapshot] (4.7 GB)   [Groupcat] (11.2 MB)
8 8.01 0.640 13.163 0 0 0 37738 39573   [Snapshot] (9.4 GB)   [Groupcat] (14.1 MB)
9 7.60 0.687 13.116 0 0 0 45965 48452   [Snapshot] (4.7 GB)   [Groupcat] (17.2 MB)
10 7.24 0.732 13.071 0 0 0 54230 57093   [Snapshot] (4.7 GB)   [Groupcat] (20.2 MB)
11 7.01 0.764 13.039 0 0 0 59902 62987   [Snapshot] (9.4 GB)   [Groupcat] (22.3 MB)
12 6.49 0.844 12.959 0 0 0 73180 77259   [Snapshot] (4.7 GB)   [Groupcat] (27.3 MB)
13 6.01 0.932 12.871 0 0 0 86539 91674   [Snapshot] (9.4 GB)   [Groupcat] (32.3 MB)
14 5.85 0.965 12.838 0 0 0 90960 96846   [Snapshot] (4.7 GB)   [Groupcat] (34.1 MB)
15 5.53 1.036 12.767 0 0 0 99760 106639   [Snapshot] (4.7 GB)   [Groupcat] (37.5 MB)
16 5.23 1.112 12.691 0 0 0 108444 116514   [Snapshot] (4.7 GB)   [Groupcat] (40.9 MB)
17 5.00 1.177 12.626 0 0 0 114923 123678   [Snapshot] (9.4 GB)   [Groupcat] (43.4 MB)
18 4.66 1.282 12.521 0 0 0 123448 134162   [Snapshot] (4.7 GB)   [Groupcat] (46.9 MB)
19 4.43 1.366 12.437 0 0 0 129741 141433   [Snapshot] (4.7 GB)   [Groupcat] (49.4 MB)
20 4.18 1.466 12.337 0 0 0 135394 148347   [Snapshot] (4.7 GB)   [Groupcat] (51.7 MB)
21 4.01 1.540 12.263 0 0 0 139188 153160   [Snapshot] (9.4 GB)   [Groupcat] (53.3 MB)
22 3.71 1.689 12.115 0 0 0 145319 160849   [Snapshot] (4.7 GB)   [Groupcat] (55.8 MB)
23 3.49 1.812 11.991 0 0 0 149026 165962   [Snapshot] (4.7 GB)   [Groupcat] (57.5 MB)
24 3.28 1.944 11.859 0 0 0 152125 170104   [Snapshot] (4.7 GB)   [Groupcat] (58.8 MB)
25 3.01 2.145 11.658 0 0 0 155437 175125   [Snapshot] (9.4 GB)   [Groupcat] (60.4 MB)
26 2.90 2.238 11.565 0 0 0 156327 176779   [Snapshot] (4.7 GB)   [Groupcat] (60.9 MB)
27 2.73 2.384 11.419 0 0 0 157356 178695   [Snapshot] (4.7 GB)   [Groupcat] (61.5 MB)
28 2.58 2.539 11.264 0 0 0 158264 180532   [Snapshot] (4.7 GB)   [Groupcat] (62.0 MB)
29 2.44 2.685 11.118 0 0 0 159065 181981   [Snapshot] (4.7 GB)   [Groupcat] (62.5 MB)
30 2.32 2.839 10.964 0 0 0 159287 182821   [Snapshot] (4.7 GB)   [Groupcat] (62.7 MB)
31 2.21 2.981 10.823 0 0 0 159292 183559   [Snapshot] (4.7 GB)   [Groupcat] (62.9 MB)
32 2.10 3.129 10.674 0 0 0 159022 183618   [Snapshot] (4.7 GB)   [Groupcat] (62.9 MB)
33 2.00 3.285 10.519 0 0 0 158795 183664   [Snapshot] (9.4 GB)   [Groupcat] (62.8 MB)
34 1.90 3.447 10.356 0 0 0 158309 183600   [Snapshot] (4.7 GB)   [Groupcat] (62.8 MB)
35 1.82 3.593 10.210 0 0 0 157532 183483   [Snapshot] (4.7 GB)   [Groupcat] (62.6 MB)
36 1.74 3.744 10.059 0 0 0 156868 183362   [Snapshot] (4.7 GB)   [Groupcat] (62.5 MB)
37 1.67 3.902 9.901 0 0 0 156629 183057   [Snapshot] (4.7 GB)   [Groupcat] (62.4 MB)
38 1.60 4.038 9.766 0 0 0 156243 182361   [Snapshot] (4.7 GB)   [Groupcat] (62.2 MB)
39 1.53 4.206 9.597 0 0 0 155845 181870   [Snapshot] (4.7 GB)   [Groupcat] (62.1 MB)
40 1.50 4.293 9.510 0 0 0 155217 181437   [Snapshot] (9.4 GB)   [Groupcat] (61.9 MB)
41 1.41 4.502 9.301 0 0 0 154346 180794   [Snapshot] (4.7 GB)   [Groupcat] (61.6 MB)
42 1.36 4.657 9.147 0 0 0 153581 180036   [Snapshot] (4.7 GB)   [Groupcat] (61.3 MB)
43 1.30 4.816 8.987 0 0 0 152707 179151   [Snapshot] (4.7 GB)   [Groupcat] (61.0 MB)
44 1.25 4.980 8.823 0 0 0 152312 178646   [Snapshot] (4.7 GB)   [Groupcat] (60.9 MB)
45 1.21 5.115 8.688 0 0 0 151536 178017   [Snapshot] (4.7 GB)   [Groupcat] (60.6 MB)
46 1.15 5.289 8.514 0 0 0 151028 177412   [Snapshot] (4.7 GB)   [Groupcat] (60.4 MB)
47 1.11 5.431 8.372 0 0 0 150374 176745   [Snapshot] (4.7 GB)   [Groupcat] (60.2 MB)
48 1.07 5.577 8.226 0 0 0 149841 176008   [Snapshot] (4.7 GB)   [Groupcat] (59.9 MB)
49 1.04 5.726 8.077 0 0 0 148999 175164   [Snapshot] (4.7 GB)   [Groupcat] (59.6 MB)
50 1.00 5.878 7.925 0 0 0 148352 174512   [Snapshot] (9.4 GB)   [Groupcat] (59.4 MB)
51 0.95 6.073 7.730 0 0 0 147699 173889   [Snapshot] (4.7 GB)   [Groupcat] (59.2 MB)
52 0.92 6.193 7.610 0 0 0 146992 173145   [Snapshot] (4.7 GB)   [Groupcat] (58.9 MB)
53 0.89 6.356 7.447 0 0 0 146156 172571   [Snapshot] (4.7 GB)   [Groupcat] (58.7 MB)
54 0.85 6.522 7.281 0 0 0 145490 171769   [Snapshot] (4.7 GB)   [Groupcat] (58.4 MB)
55 0.82 6.692 7.111 0 0 0 144745 170929   [Snapshot] (4.7 GB)   [Groupcat] (58.1 MB)
56 0.79 6.822 6.981 0 0 0 144197 170325   [Snapshot] (4.7 GB)   [Groupcat] (57.9 MB)
57 0.76 6.998 6.805 0 0 0 143588 169691   [Snapshot] (4.7 GB)   [Groupcat] (57.7 MB)
58 0.73 7.132 6.671 0 0 0 143182 169213   [Snapshot] (4.7 GB)   [Groupcat] (57.5 MB)
59 0.70 7.314 6.489 0 0 0 142755 168479   [Snapshot] (9.4 GB)   [Groupcat] (57.3 MB)
60 0.68 7.453 6.350 0 0 0 142186 167972   [Snapshot] (4.7 GB)   [Groupcat] (57.1 MB)
61 0.64 7.642 6.161 0 0 0 141593 167360   [Snapshot] (4.7 GB)   [Groupcat] (56.9 MB)
62 0.62 7.786 6.017 0 0 0 140802 166624   [Snapshot] (4.7 GB)   [Groupcat] (56.6 MB)
63 0.60 7.932 5.872 0 0 0 140459 166246   [Snapshot] (4.7 GB)   [Groupcat] (56.5 MB)
64 0.58 8.079 5.724 0 0 0 139929 165646   [Snapshot] (4.7 GB)   [Groupcat] (56.3 MB)
65 0.55 8.280 5.523 0 0 0 139505 165019   [Snapshot] (4.7 GB)   [Groupcat] (56.1 MB)
66 0.52 8.432 5.371 0 0 0 139205 164412   [Snapshot] (4.7 GB)   [Groupcat] (55.9 MB)
67 0.50 8.587 5.216 0 0 0 138392 163752   [Snapshot] (9.4 GB)   [Groupcat] (55.6 MB)
68 0.48 8.743 5.060 0 0 0 138009 163303   [Snapshot] (4.7 GB)   [Groupcat] (55.5 MB)
69 0.46 8.902 4.901 0 0 0 137594 162965   [Snapshot] (4.7 GB)   [Groupcat] (55.4 MB)
70 0.44 9.062 4.741 0 0 0 136808 162330   [Snapshot] (4.7 GB)   [Groupcat] (55.1 MB)
71 0.42 9.225 4.578 0 0 0 136386 161755   [Snapshot] (4.7 GB)   [Groupcat] (54.9 MB)
72 0.40 9.389 4.414 0 0 0 135871 161394   [Snapshot] (9.4 GB)   [Groupcat] (54.8 MB)
73 0.38 9.556 4.247 0 0 0 135532 160922   [Snapshot] (4.7 GB)   [Groupcat] (54.6 MB)
74 0.36 9.724 4.079 0 0 0 134996 160441   [Snapshot] (4.7 GB)   [Groupcat] (54.4 MB)
75 0.35 9.837 3.966 0 0 0 134729 160043   [Snapshot] (4.7 GB)   [Groupcat] (54.3 MB)
76 0.33 10.009 3.794 0 0 0 134130 159463   [Snapshot] (4.7 GB)   [Groupcat] (54.1 MB)
77 0.31 10.182 3.621 0 0 0 133327 158954   [Snapshot] (4.7 GB)   [Groupcat] (53.9 MB)
78 0.30 10.299 3.504 0 0 0 133214 158734   [Snapshot] (9.4 GB)   [Groupcat] (53.8 MB)
79 0.27 10.535 3.269 0 0 0 132414 157957   [Snapshot] (4.7 GB)   [Groupcat] (53.5 MB)
80 0.26 10.654 3.149 0 0 0 132249 157537   [Snapshot] (4.7 GB)   [Groupcat] (53.4 MB)
81 0.24 10.834 2.969 0 0 0 131742 157303   [Snapshot] (4.7 GB)   [Groupcat] (53.3 MB)
82 0.23 11.016 2.787 0 0 0 131154 156517   [Snapshot] (4.7 GB)   [Groupcat] (53.0 MB)
83 0.21 11.138 2.665 0 0 0 130345 156229   [Snapshot] (4.7 GB)   [Groupcat] (52.9 MB)
84 0.20 11.323 2.480 0 0 0 129930 155569   [Snapshot] (9.4 GB)   [Groupcat] (52.7 MB)
85 0.18 11.509 2.294 0 0 0 129157 155164   [Snapshot] (4.7 GB)   [Groupcat] (52.5 MB)
86 0.17 11.635 2.169 0 0 0 128682 154876   [Snapshot] (4.7 GB)   [Groupcat] (52.4 MB)
87 0.15 11.824 1.979 0 0 0 128143 154349   [Snapshot] (4.7 GB)   [Groupcat] (52.2 MB)
88 0.14 11.951 1.852 0 0 0 127672 154086   [Snapshot] (4.7 GB)   [Groupcat] (52.0 MB)
89 0.13 12.143 1.660 0 0 0 126978 153742   [Snapshot] (4.7 GB)   [Groupcat] (51.9 MB)
90 0.11 12.337 1.466 0 0 0 126892 153153   [Snapshot] (4.7 GB)   [Groupcat] (51.7 MB)
91 0.10 12.467 1.336 0 0 0 126577 152801   [Snapshot] (9.4 GB)   [Groupcat] (51.6 MB)
92 0.08 12.663 1.140 0 0 0 126567 152573   [Snapshot] (4.7 GB)   [Groupcat] (51.6 MB)
93 0.07 12.795 1.008 0 0 0 126373 152125   [Snapshot] (4.7 GB)   [Groupcat] (51.4 MB)
94 0.06 12.993 0.810 0 0 0 126095 151931   [Snapshot] (4.7 GB)   [Groupcat] (51.3 MB)
95 0.05 13.127 0.676 0 0 0 126058 151637   [Snapshot] (4.7 GB)   [Groupcat] (51.3 MB)
96 0.03 13.328 0.475 0 0 0 125647 151177   [Snapshot] (4.7 GB)   [Groupcat] (51.1 MB)
97 0.02 13.463 0.340 0 0 0 125106 150854   [Snapshot] (4.7 GB)   [Groupcat] (51.0 MB)
98 0.01 13.667 0.136 0 0 0 124811 150579   [Snapshot] (4.7 GB)   [Groupcat] (50.9 MB)
99 0.00 13.803 0.000 0 0 0 124399 150309   [Snapshot] (9.4 GB)   [Groupcat] (50.8 MB)

simulation.hdf5 file:

TNG50-3-Dark has the virtual 'simulation.hdf5' container file available.

Merger Trees:

TNG50-3-Dark has the SubLink merger trees available: they contain the progenitor/descendant connectivity, and essentially all Subhalo properties.

TNG50-3-Dark has the LHaloTree merger trees available: they contain the progenitor/descendant connectivity, and the most important Subhalo properties.

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:

Nothing extra currently available for this run.