Snapshots

Overview/ASTRID Simulation/Snapshots (Data Downloads)

Parameter Description Value
Simulation name ASTRID
Alternative simulation name astrid
Side length of simulation box [ckpc/h] 250
Dark matter particle mass [10^10 msun/h] 6.74x10^6
Gas matter particle mass [10^10 msun/h] 1.27x10^6
Number of dark matter particles 166375000000
Number of gas particles 166375000000
Start redshift z=99
End redshift z=2
Cosmology Planck15
Total matter density (Omega0) 0.3089
Dark energy density (OmegaLambda) 0.6911
Baryonic matter density (OmegaBaryon) 0.0486
HubbleParam (h) 0.6774
Implemented Physics Models
Gas cooling Radiative cooling (primordial + metal line)
Star formation Multi-phase SF model (SH03) + molecular based SF (Okamoto2010)
Stellar feedback Type-II SN wind feedback
BH Formation halo-based BH seeding, power-law distribution of the seed mass
BH Accretion Eddington-limited Bondi accretion
AGN Feedback thermal+kinetic feedback
BH Dynamics sub-grid dynamical friction from stars
Snapshot Age (Gyr) Redshift (z) DM in group [#] Gas in group [#] Stars [#] BHs [#] FoF Groups [#] FoF Groups Catalog Particles in Group Catalog
13 0.37 12.0 664611636 597744084 876465 11487 16181584 Browse (3.8G) Browse (88.81M)
15 0.41 11.15 1177834948 1067985918 2034300 27696 26922896 Browse (6.32G) Browse (200.32M)
17 0.47 10.0 2388714490 2190132171 6139119 87988 49644646 Browse (11.66G) Browse (354.18G)
18 0.51 9.52 3145765455 2897925091 9949347 165155 62545078 Browse (14.68G) Browse (966.2M)
20 0.55 9.0 4178610148 3866817378 16853594 272885 78934733 Browse (18.53G) Browse (624.15G)
21 0.57 8.74 4791212834 4443648534 21496951 272866 88085479 Browse (20.68G) Browse (2.03G)
22 0.61 8.3 5988660226 5573172391 32434216 447875 104901923 Browse (24.62G) Browse (3.06G)
23 0.64 8.0 6940068859 6474733501 43870934 556906 117362497 Browse (27.55G) Browse (1.02T)
25 0.66 7.85 7447862783 6955711610 50592223 692045 123699683 Browse (29.04G) Browse (4.77G)
27 0.69 7.58 8456788642 7903761625 66026908 850361 135545179 Browse (31.82G) Browse (6.22G)
29 0.73 7.22 9908458156 9229939765 93652726 1029787 150427427 Browse (35.31G) Browse (8.8G)
31 0.77 7.0 10895217587 10093512100 115699385 1128661 158811704 Browse (37.28G) Browse (1.6T)
33 0.79 6.83 11690434831 10761622719 138281364 1316687 164409464 Browse (38.59G) Browse (12.98G)
35 0.8 6.73 12130783144 11120418667 150813601 1539365 167065270 Browse (39.21G) Browse (14.16G)
36 0.82 6.64 12586151934 11483149238 166345691 1538921 169494379 Browse (39.78G) Browse (15.61G)
39 0.84 6.5 13274167868 12017026512 194219665 1784123 172596183 Browse (40.51G) Browse (18.23G)
41 0.86 6.37 13911932520 12497714517 219754271 1783251 174913670 Browse (41.05G) Browse (20.6G)
43 0.89 6.25 14555350755 12967460634 248344642 2068658 176801462 Browse (41.5G) Browse (23.29G)
47 0.93 6.0 15907067489 13928382993 317420191 2398274 179648902 Browse (42.17G) Browse (2.26T)
49 0.96 5.89 16529931521 14368751849 354146583 2396720 180608141 Browse (42.39G) Browse (33.17G)
51 0.98 5.8 17024045447 14718566750 387262689 2696172 181267916 Browse (42.55G) Browse (36.27G)
55 1.0 5.69 17719272036 15209530299 443141795 2864478 182092851 Browse (42.74G) Browse (41.49G)
58 1.02 5.6 18244392019 15576348958 483339701 3033243 182677522 Browse (42.88G) Browse (45.24G)
62 1.04 5.5 18872471546 16004013348 530818740 3180715 183346928 Browse (43.03G) Browse (49.68G)
66 1.07 5.41 19469652064 16412933984 578881620 3390244 183961244 Browse (43.18G) Browse (54.17G)
73 1.1 5.29 20250951580 16968962450 650696500 3687067 184735491 Browse (43.36G) Browse (60.88G)
84 1.12 5.2 20883212852 17433989051 728587106 3921238 185352156 Browse (43.5G) Browse (68.15G)
107 1.18 5.0 22269715182 18467914542 884192492 4235097 186708114 Browse (43.82G) Browse (3.09T)
113 1.2 4.91 22954809362 18994270776 988365084 4410739 187362520 Browse (43.98G) Browse (92.38G)
122 1.27 4.7 24525751408 20206504888 1242426577 4792781 188859130 Browse (44.33G) Browse (116.07G)
125 1.3 4.61 25280256511 20771470465 1366296561 4785150 189569559 Browse (44.49G) Browse (127.61G)
126 1.32 4.56 25668263779 21052623131 1426302016 5188687 189941431 Browse (44.58G) Browse (133.23G)
128 1.34 4.5 26169681275 21412157736 1518041621 5380011 190384060 Browse (44.69G) Browse (141.78G)
130 1.36 4.45 26571086674 21700891886 1589413381 5375403 190717372 Browse (44.76G) Browse (148.43G)
131 1.37 4.41 26906249882 21944983093 1650381994 5371165 190993921 Browse (44.83G) Browse (154.11G)
133 1.4 4.33 27612135676 22465908093 1779407472 5646059 191498397 Browse (44.95G) Browse (166.15G)
134 1.42 4.29 28010175295 22764236807 1862792719 5640697 191763039 Browse (45.01G) Browse (173.91G)
136 1.44 4.25 28320244597 22999025385 1935216514 5944831 191954213 Browse (45.05G) Browse (180.68G)
137 1.45 4.22 28603469726 23217086118 1997917545 5941022 192120419 Browse (45.09G) Browse (186.52G)
139 1.47 4.16 29099908021 23604601486 2115711766 5932978 192394342 Browse (45.16G) Browse (197.49G)
142 1.5 4.11 29618000918 24005863028 2225737472 6369150 192662369 Browse (45.22G) Browse (207.77G)
144 1.52 4.06 30069314089 24350630858 2340322928 6361398 192891639 Browse (45.27G) Browse (218.44G)
147 1.55 4.0 30596836664 24750037125 2484897972 6606407 193154391 Browse (45.34G) Browse (4.29T)
149 1.57 3.95 31048246452 25096738124 2608208213 6598008 193341839 Browse (45.38G) Browse (243.4G)
151 1.59 3.9 31545143214 25481677277 2739833326 6878270 193532625 Browse (45.42G) Browse (255.68G)
153 1.62 3.84 32087345171 25897808395 2894615916 6866902 193733742 Browse (45.47G) Browse (270.1G)
155 1.64 3.81 32440162309 26164307658 2994549088 7129561 193847098 Browse (45.5G) Browse (279.42G)
158 1.67 3.75 33011415937 26595914322 3162821561 7289540 194015010 Browse (45.54G) Browse (295.11G)
161 1.69 3.7 33511400872 26979396515 3334722804 7277791 194125063 Browse (45.56G) Browse (311.12G)
163 1.72 3.66 33936512207 27309244510 3462933141 7554458 194208146 Browse (45.58G) Browse (323.08G)
166 1.75 3.6 34562448943 27795874838 3667406848 7663834 194291750 Browse (45.6G) Browse (342.13G)
170 1.78 3.54 35140759429 28244168939 3876891215 7868058 194338631 Browse (45.61G) Browse (361.65G)
174 1.81 3.5 35566377576 28578841218 4042263552 7855964 194338112 Browse (45.61G) Browse (377.05G)
177 1.83 3.46 36030583955 28947657161 4217786008 8027208 194338588 Browse (45.61G) Browse (393.41G)
181 1.87 3.4 36679132364 29459651404 4456691053 8236545 194322014 Browse (45.61G) Browse (415.68G)
184 1.9 3.35 37133177719 29809981778 4634227350 8222326 194310664 Browse (45.61G) Browse (432.21G)
187 1.94 3.3 37735683444 30265646329 4869072541 8394910 194266866 Browse (45.6G) Browse (454.1G)
190 1.97 3.25 38267926470 30668235620 5094884276 8563646 194205758 Browse (45.58G) Browse (475.14G)
194 2.0 3.2 38826414454 31100413010 5371317232 8721423 194089322 Browse (45.56G) Browse (500.9G)
198 2.04 3.15 39403446356 31555235202 5625314396 8887755 193953462 Browse (45.52G) Browse (524.56G)
202 2.08 3.1 39957992627 31988292192 5873091295 8981139 193815887 Browse (45.49G) Browse (547.65G)
207 2.12 3.05 40552050803 32443562612 6151748477 9099075 193677394 Browse (45.46G) Browse (573.61G)
214 2.15 3.0 41120051240 32880836099 6468549017 9294670 193500739 Browse (45.42G) Browse (6.0T)