Website: http://www.unitsims.org
Main paper: https://ui.adsabs.harvard.edu/abs/2019MNRAS.487...48C/abstract
Contacts: Chia-Hsun Chuang ([email protected]), Gustavo Yepes ([email protected])
- Full particle snapshots
- Density field
- 0.5% of particles
- Initial conditions
- Halo catalogues
- FastPM FoF halo catalogs
How to read the files -- under construction
1Gpc/h (high resolution boxes; 1st pair have 64 redshifts available and 2nd pair have only 8 redshifts)
/home/c/chuang/UNITSIMS/1Gpc_4096_001/
/home/c/chuang/UNITSIMS/1Gpc_4096_001_InvPhase/
/home/c/chuang/UNITSIMS/1Gpc_4096_002/
/home/c/chuang/UNITSIMS/1Gpc_4096_002_InvPhase/
/home/c/chuang/UNITSIMS/1Gpc_2048_001/
/home/c/chuang/UNITSIMS/2Gpc_4096_001/
/home/c/chuang/UNITSIMS/2Gpc_4096_001_InvPhase/
/home/c/chuang/UNITSIMS/3Gpc_6144_001/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001/DM_DENS/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001_InvPhase/DM_DENS/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_002/DM_DENS/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_002_InvPhase/DM_DENS/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001_InvPhase/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_002/
/home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_002_InvPhase/
/home/c/chuang/UNITSIMS/IC/
/home/c/chuang/UNITSIMS/HALO_CATALOGS/Halo_with_PID/
/home/c/chuang/UNITSIMS/HALO_CATALOGS/tree (and hlist)
Same cosmology as UNIT boxes; 100 pairs of fixed-amplitude boxes and 100 pairs of normal boxes at z=0, 1, 2
/home/c/chuang/UNITSIMS/FastPM/UNIT-FastPM-1Gpc/
Same cosmology as UNIT boxes; 100 pairs of fixed-amplitude boxes and 100 pairs of normal boxes at z=0, 1, 2
/home/c/chuang/UNITSIMS/FastPM/UNIT-FastPM-250Mpc/
$hsi
$cd /home/c/chuang/UNITSIMS/
$cd path_to_your_scratch_folder
$htar -xv -f /home/c/chuang/UNITSIMS/1Gpc_4096_001/snapdir_064/snapdir_064_1.tar
$htar -xv -f /home/c/chuang/UNITSIMS/1Gpc_4096_001/snapdir_064/snapdir_064_2.tar
$htar -xv -f /home/c/chuang/UNITSIMS/1Gpc_4096_001/snapdir_064/snapdir_064_3.tar
$htar -xv -f /home/c/chuang/UNITSIMS/1Gpc_4096_001/snapdir_064/snapdir_064_4.tar
P.S. 3Gpc box has 6 tar files instead of 4 files
$cd path_to_your_scratch_folder
$htar -xv -f /home/c/chuang/UNITSIMS/IC/1Gpc_4096_001.tar
$cd path_to_your_scratch_folder
$hsi
$cd /home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001/DM_DENS
$get dmdens*
$cd path_to_your_scratch_folder
$hsi
$cd /home/c/chuang/UNITSIMS/DM_density_and_particle/density_and_particle/1Gpc_4096/fixedAmp_001/DM_PARTICLES
$get *
$cd path_to_your_scratch_folder
$hsi
$cd /home/c/chuang/UNITSIMS/HALO_CATALOGS/Halo_with_PID/1Gpc_2048_001
$get *
$cd path_to_your_scratch_folder
$hsi
$cd /home/c/chuang/UNITSIMS/FastPM/UNIT-FastPM-1Gpc/
$get -R *
under construction
The projected density maps are in HEALPix format.
These can be read in python simply using healpy:
x = hp.read_map(filename)
n z a
0 16.98 0.05561
1 15.67 0.06
2 15.31 0.0613
3 14.95 0.0627
4 14.6 0.0641
5 14.24 0.0656
6 13.93 0.067
7 13.6 0.0685
8 13.27 0.0701
9 12.97 0.0716
10 12.66 0.0732
11 12.35 0.0749
12 12.05 0.0766
13 11.77 0.0783
14 11.5 0.08
15 11.22 0.0818
16 10.96 0.0836
17 10.7 0.0855
18 10.44 0.0874
19 10.19 0.0894
20 9.941 0.0914
21 9.707 0.0934
22 9.471 0.0955
23 9.235 0.0977
24 9.01 0.0999
25 8.794 0.1021
26 8.579 0.1044
27 8.372 0.1067
28 8.166 0.1091
29 7.961 0.1116
30 7.764 0.1141
31 7.576 0.1166
32 7.389 0.1192
33 7.203 0.1219
34 7.026 0.1246
35 6.849 0.1274
36 6.675 0.1303
37 6.508 0.1332
38 6.342 0.1362
39 6.184 0.1392
40 6.022 0.1424
41 5.873 0.1455
42 5.72 0.1488
43 5.575 0.1521
44 5.431 0.1555
45 5.289 0.159
46 5.15 0.1626
47 5.017 0.1662
48 4.882 0.17
49 4.754 0.1738
50 4.627 0.1777
51 4.507 0.1816
52 4.385 0.1857
53 4.266 0.1899
54 4.152 0.1941
55 4.038 0.1985
56 3.929 0.2029
57 3.819 0.2075
58 3.715 0.2121
59 3.61 0.2169
60 3.511 0.2217
61 3.411 0.2267
62 3.314 0.2318
63 3.221 0.2369
64 3.127 0.2423
65 3.037 0.2477
66 2.949 0.2532
67 2.862 0.2589
68 2.778 0.2647
69 2.695 0.2706
70 2.614 0.2767
71 2.535 0.2829
72 2.458 0.2892
73 2.382 0.2957
74 2.308 0.3023
75 2.235 0.3091
76 2.165 0.316
77 2.095 0.3231
78 2.028 0.3303
79 1.961 0.3377
80 1.896 0.3453
81 1.833 0.353
82 1.771 0.3609
83 1.71 0.369
84 1.65 0.3773
85 1.593 0.3857
86 1.535 0.3944
87 1.48 0.4032
88 1.425 0.4123
89 1.372 0.4215
90 1.321 0.4309
91 1.27 0.4406
92 1.22 0.4505
93 1.172 0.4605
94 1.124 0.4709
95 1.077 0.4814
96 1.032 0.4922
97 0.9873 0.5032
98 0.9436 0.5145
99 0.9011 0.526
100 0.8863 0.5378
101 0.8188 0.5498
102 0.7787 0.5622
103 0.74 0.5747
104 0.7018 0.5876
105 0.6644 0.6008
106 0.6281 0.6142
107 0.5924 0.628
108 0.5574 0.6421
109 0.5232 0.6565
110 0.4899 0.6712
111 0.4573 0.6862
112 0.4253 0.7016
113 0.3941 0.7173
114 0.3637 0.7333
115 0.3337 0.7498
116 0.3045 0.7666
117 0.276 0.7837
118 0.248 0.8013
119 0.2207 0.8192
120 0.1939 0.8376
121 0.1677 0.8564
122 0.1422 0.8755
123 0.1172 0.8951
124 0.09266 0.9152
125 0.06872 0.9357
126 0.04526 0.9567
127 0.02239 0.9781
128 0.00000 1.0000
PK file and CAMB ini file and output information from CAMB:
Reion redshift = 8.803
Om_b h^2 = 0.022300
Om_c h^2 = 0.118800
Om_nu h^2 = 0.000640
Om_Lambda = 0.691111
Om_K = 0.000000
Om_m (1-Om_K-Om_L) = 0.308889
100 theta (CosmoMC) = 1.040972
N_eff (total) = 3.046000
1 nu, g = 1.0153
m_nu*c^2/k_B/T_nu0. = 353.71 (m_nu= 0.060 eV)
Reion opt depth = 0.0660
Age of universe/GYr = 13.798
zstar = 1089.69
r_s(zstar)/Mpc = 144.81
100*theta = 1.041303
DA(zstar)/Gpc = 13.90705
zdrag = 1059.51
r_s(zdrag)/Mpc = 147.50
k_D(zstar) Mpc = 0.1406
100*theta_D = 0.160674
z_EQ (if v_nu=1) = 3371.85
k_EQ Mpc (if v_nu=1) = 0.010291
100*theta_EQ = 0.818604
100*theta_rs_EQ = 0.452206
tau_recomb/Mpc = 281.22
tau_now/Mpc = 14188.2
at z = 0.000 sigma8 (all matter) = 0.8147
at z = 0.000 sigma8^2_vd/sigma8 = 0.4253