TNG

Public Data Access Overview / Discussion Forum

Science
Create Topic
How to find the mass of a merger of a particular Subhalo?
3
11 Apr
number of subhaloes in the snapshot135
5
7 Apr
Concept of subhalo mass
7
28 Mar
SubhaloMass for a central
3
24 Mar
Gas contained in the halo that is not bound to any subhalo
6
19 Mar
Mass of a subhalo
3
18 Mar
Metallicity abundances by elements
4
15 Mar
TNG 50 MW/M31 sample SubfindID
4
6 Mar
More explanations on the calculation of mean molecular weight.
2
4 Mar
Fidelity of galaxies with SubhaloFlag=False
3
2 Mar
Unsure what BH_Density, BH_Mass, Masses fields are
10
14 Feb
GCs in the subhalo
3
13 Feb
What values of H0 (hubble constant) and mass density (Om0) are used for the TNG100-3 simulations?
2
1 Feb
Halo mass decrease for small groups ?
3
26 Jan
Tracers TNG50
4
24 Jan
The HI and H2 fractions in cells
2
23 Jan
How did you find the stellar mass on SubHalo Catalog?
9
12 Jan
The internal energy of the wind particles
3
11 Jan
About X-ray luminosities for halos in T300-1
7
2 Jan
Galaxy u-r colour
4
22 Dec '23
summing dark matter and star particles
12
11 Dec '23
Metallicity of Globular Clusters
3
9 Dec '23
sqrt(a) in velocity units
2
6 Dec '23
Use TNG Data to rerun a simulation
5
30 Nov '23
The value of the SubhaloVmaxRad
2
24 Nov '23
Why are there so many galaxies in TNG-100 catalogue that don't contain gas
2
21 Nov '23
Halo mass clumpiness
4
17 Nov '23
Critical density at z=0
5
16 Nov '23
Locate Milky Way and Andromeda galaxies
3
24 Oct '23
Are subhalos with no stars considered in the merger history?
2
17 Oct '23
Tidal Evolution of MW/M31-like Satellites
2
1 Oct '23
Galaxy Structure in IllustrisTNG Simulation
3
30 Sep '23
what are length scales involved in calclating BH_density calculations ?
2
22 Aug '23
Electron Number Density Conversion
3
9 Aug '23
Magnetic field in TNG50-2 has NaNs for some subhalos
12
30 Jul '23
The radius of subhalo
9
28 Jul '23
MBH Smoothing Lengths
11
27 Jul '23
Half light radii
7
17 Jul '23
Globular Clusters and compact dwarfs galaxies
2
28 Jun '23
Star Forming Main Sequence Relation
2
21 Jun '23
Stellar mass of BCG
3
20 Jun '23
Creating a catalog of galaxy SFHs
3
7 Jun '23
How to calculate the angular momentum of a galaxy
2
7 Jun '23
Do outer-fuzz BH particles have Host Halo Masses?
2
6 Jun '23
List of Slow Rotators IDs in TNG50/100 simulations
3
25 May '23
Which volume should i use?
2
22 May '23
NumMergers in Sublink
5
3 May '23
Particle group membership
3
3 May '23
Simulation of pairs of galaxies with the presence of gas
6
29 Mar '23
Will the filaments catalogue be released?
5
25 Mar '23
Stellar sizes of simulated galaxies
3
16 Mar '23
Primary flag along main progenitor branch
2
11 Mar '23
Creating a plot of sfr surface density measured within Re vs. log of HI or mass of HI surface density
2
8 Mar '23
Galaxy flatness
3
7 Mar '23
Subhalos which have no descendant
5
25 Feb '23
Distance when calculating SubhaloStellarPhotometricsRad
13
24 Feb '23
DM halo merger rate
5
23 Feb '23
Retrive star formation history (SFR at each z) of individual galaxies in the simulation
2
18 Feb '23
Can the masses of the gas particles be considered random variables?
5
15 Feb '23
On radial profiles of particles by type
3
14 Jan '23
Tracking Halo's history, back in time (higher redshifts).
3
28 Dec '22
Plotting number of halos per mass bin
5
21 Dec '22
Reorienting Galaxies Using Information From HI+H2 Post-Processed Modeling
1
6 Dec '22
surface brightness, subhalos
7
4 Dec '22
The photometrics radius
3
15 Nov '22
Is age and metallicity of stars in TNG100 galaxies consistent with observations or our understanding?
3
12 Nov '22
Gas masses in halos and subhalos
4
13 Oct '22
How to calculate the Bondi Radius of blackhole in the subhalo of TNG-100 simulations?
2
3 Oct '22
Neutral hydrogen mass - matching TNG50-1 supplementary values with particle data
8
27 Sep '22
Recreating Sersic Fits as done in Observations for TNG300-1
3
21 Sep '22
Question about Visualize Galaxies tool
6
19 Sep '22
BH - BH is untraceable
2
5 Sep '22
Which dust model is used for the visualization API queries?
2
5 Sep '22
satellite fraction as a function of mass
2
25 Aug '22
VELOCIraptor (& Rockstar) catalogs
2
24 Aug '22
The definition of SFR?
2
6 Aug '22
The computation of stellar half mass radius
3
18 Jul '22
distance ckpc/h
7
13 Jul '22
Availability of UVJ color-color
3
22 Jun '22
Subhalo face-on vector values (angles)
9
16 Jun '22
Groups with Group_M_Crit_200 = 0 in IllustrisTNG 300?
3
20 May '22
galaxy positions as a function of time
3
16 May '22
Merger Trees using Juypter Notebooks
3
11 May '22
star formation rates over a timescale
6
30 Apr '22
Very low star fraction in groups of the FoF Halos catalog
2
29 Apr '22
90 percent radius
9
28 Apr '22
'len_stars' bellow 10.000 objects, for redshifts z=0, z=1 and z=3
2
15 Apr '22
Calculating HI mass of particles in Halos/Subhalos
2
24 Mar '22
Dark Matter disruption
9
18 Mar '22
calculate magnetic field intensity for a given baryon overdensity at a given redshift
2
17 Mar '22
HI radial density profile of subhalos of tng50
7
8 Mar '22
lightcone catalog
2
17 Feb '22
Large-scale structures and subhalos
5
13 Feb '22
Access particle information for all particles connected with a specific galaxy
6
4 Feb '22
"inner" and "outer" fuzz
2
27 Jan '22
Catalogue of clusters
4
26 Jan '22
Why the same cut for TNG50, TNG100, TNG300 give similar catalog sizes?
2
20 Jan '22
Dust corrected magnitudes for Gasless Subhalos.
2
7 Jan '22
Calculating rotation measure for TNG 100-1 subhalo
5
21 Dec '21
mock image creation
2
17 Dec '21
Orbit's ellipticity
3
7 Nov '21
Interpretation of "primary_flag" variable
3
3 Nov '21
Ram Pressure
3
3 Nov '21
X, Y, Z metallicity values used
2
30 Sep '21
Galaxies drastically blowing up between snapshots
4
29 Sep '21
Images of TNG100-1 galaxies
8
16 Sep '21
Field halos (isolated halos) in TNG
5
30 Aug '21
Clarification between subhalos and halos
4
30 Jul '21
Pericentre distance with redshift
6
14 Jul '21
Stellar photometrics
5
1 Jul '21
Number of mergers in the future.
2
18 Jun '21
Visualizing line emission.
2
11 May '21
Surving star formation histories
3
1 May '21
Details on Stellar Projected Sizes for TNG50-1
3
1 May '21
Gas disk rotational speed in unit of circular speed
2
14 Apr '21
Star formation history
6
14 Apr '21
Subhalo ellipticity
3
8 Apr '21
Differences In Stellar Metallicity Between Different Simulations
2
26 Mar '21
Tracking galaxies forward in time
5
18 Mar '21
spin of galaxies
3
17 Mar '21
Stellar Velocity Dispersions
8
12 Mar '21
Resolution in profiles
3
28 Jan '21
Last Major Merger Snapshot
2
14 Jan '21
The gas temperature
3
21 Dec '20
About the definition of internal energy provided by datasets
3
11 Nov '20
Why the standard deviation of 1D power spectrum so large?
3
7 Nov '20
Halo and Subhalo Positions and Velocities
15
23 Sep '20
spectral information (H-alpha) for TNG subhalos
3
23 Sep '20
A question of dark matter velocity field
5
21 Sep '20
Star-forming gas mass in Subhalos
3
8 Sep '20
X-ray luminosity
3
7 Sep '20
Spatial resolution (softening length, minimum length)
5
1 Sep '20
ROCKSTAR Halos
2
29 Aug '20
What are the relationships between different PartTypes, i.e. gas, dm, stars and bh?
6
20 Aug '20
HI Datacubes
2
19 Aug '20
The differences between "CenterOfMass" and "Coordinates" in the PartType0 (gas)
3
4 Aug '20
Total baryonic mass and total DM mass
2
20 Jul '20
spin of galaxies
3
16 Jul '20
SubhaloVelDisp calculation
6
13 Jul '20
How to get galaxy positions?
3
8 Jul '20
how to get the Mass stellar Volume Density data?
8
7 Jul '20
Group_R_Crit200 evolution with redshift
2
6 Jul '20
Defining Field Galaxies
2
6 Jul '20
Halos with many subhalos that have zero stellar mass
3
2 Jul '20
Spiral galaxy image data
32
22 Jun '20
Finding Group/Subgroup Definitions and Potential Field Calculations
2
14 Jun '20
Dark matter densities in illustris-3
3
3 Jun '20
Softening length of Illustris-1-Dark
2
6 May '20
Data mining
2
21 Apr '20
About the meaning of the SubhaloParent
9
3 Apr '20
Virial Mass of A Subhalo
3
28 Mar '20
Peculiar Velocities
2
21 Mar '20
Black hole masses
5
19 Mar '20
Zero stellar half mass radius and nonzero SFR
6
12 Dec '19
The Most Detailed Simulation of Our Universe Ever
1
11 Dec '19
How to identify subhalos containing well-formed galaxies?
5
29 Oct '19
Supernova rate
4
25 Oct '19
which stellar mass ?
2
23 Oct '19
Field galaxies
6
21 Oct '19
Mass distribution of galaxies
3
26 Sep '19
AGN identification
3
23 Sep '19
Group catalogue: downloading only certain columns
3
14 Sep '19
HaloMass
6
4 Sep '19
magnitudes: h-dependence
2
28 Aug '19
Can I find the BCG(galaxy) in the GroupFirstSubhalo?
6
20 Aug '19
Mass Loss due to Stellar Evolution
4
16 Aug '19
Question about calculating the Baryonic Tully Fisher Relation
3
19 Jul '19
Subhalos without merger tree
2
19 Jul '19
JupyterLab illustris_python warning
3
18 Jul '19
Simulated galaxy images for test data
4
17 Jul '19
Velocity dispersion of particles inside a subhalo
5
17 Jul '19
Typo in Snapshots Data Specification?
6
3 Jul '19
Subhalos without progenitor
3
3 Jul '19
Central and satellite Galaxies
6
2 Jul '19
Converting given metallicities to log(O/H)+12
2
27 Jun '19
Discrepancy between "visualization of galaxies and halos" online and halos loaded from data
5
25 Jun '19
The solar metallicity
2
14 Jun '19
Group_M_Crit200 defination
2
22 May '19
halo match between DM only and with baryon simulation
2
17 May '19
Question regarding how Halo Catalog chunks are divided
5
6 May '19
Halo Catalog files returning identical SubhaloCM for every file
2
3 May '19
Snapshot with Time[Gyrs]
2
1 May '19
halo center in FOF catalog
2
17 Apr '19
How to trace galaxies(subhalos) in different snapshots
13
16 Apr '19
X-ray mock observations from IllustrisTNG simulations
2
15 Apr '19
Illustris-1 some snapshots missing particle information
6
9 Apr '19
DM Vmax value of hydrodynamic halos
2
24 Mar '19
Halo Center in Illustris TNG300-1
2
20 Mar '19
Most GroupMass in TNG100-1 are 0.
2
20 Mar '19
Cutout querry for snapshot
2
19 Mar '19
stellar masses units
2
19 Mar '19
Information in 'Header' group missing
11
6 Mar '19
TNG100 Spiral Galaxy Data
5
3 Mar '19
Particle mass in TNG300-3-dark and substructure
3
18 Feb '19
Number of features in datasets
2
15 Feb '19
hydrogen mass fraction
2
31 Jan '19
most SFR are zero in TNG100-1
4
10 Jan '19
SubhaloLenType(PartType4)
3
10 Dec '18
Dwarf galaxies
5
27 Oct '18
Region selecting
2
14 Sep '18
Trying to draw some physically meaningful known graphs
5
14 Sep '18
AGN Feedback and Stellar Feedback
8
2 Sep '18
subhalo finder
2
16 Aug '18
subhalo's spins
3
15 Aug '18
merger
9
18 Jul '18
Calculating the effective stellar mass from SFR along the tree of a subhalo
8
13 Jul '18
NFW parameters for halos?
2
4 Jun '18
dwarf galaxies
2
21 May '18
3D Trees in Subhalo Search
3
14 May '18
How to calculate neighbour(3/4Mpc) mass density for subhalos at z=0?
5
10 May '18
A lager sample of galaxies which are merging.
4
10 May '18
About Photometry
4
10 May '18
Fields of loadTree()
2
9 May '18
resolution
2
27 Apr '18
X-ray lightcone
8
26 Apr '18
How do you calculate the virial radius
2
12 Mar '18
voids, filaments
4
7 Mar '18
Initial Conditions
3
2 Feb '18
subhalomass
5
1 Feb '18
question when using subhalo catalog(subhaloparent)
2
18 Nov '17
Studying tSZ effect from Illustris
4
18 Nov '17
Typo in data specification of volume?
2
17 Nov '17
[Illustris-1] FITS pixels for higher-resolution photometry
4
14 Nov '17
Voronoi grids from cutouts
9
10 Nov '17
Is is possible to use the FoF catalogs from the full simulation runs on the corresponding subboxes?
8
2 Nov '17
type of galaxies
2
30 Oct '17
[Illustris-1] Subhalos with mass_dm = 0.0 (stripping)
2
7 Sep '17
Stellar mock fits files
4
26 Aug '17
distance calculation and circularities
5
25 Aug '17
Difference between the host halo and its central subhalo.
5
4 Jul '17
Creating Maps of Group Values in coordinate diagrams
4
26 Jun '17
Number density distribution of relative distances -- Resolved
2
16 Jun '17
[Illustris 1 Dark] Finding satellites
4
2 Jun '17
GroupNsubs
4
29 May '17
[python] SubhaloSFRinRad not a field in Illustris-1-Dark?
2
29 May '17
mass of all ids in z=0
9
26 May '17
Image field of view
6
20 May '17
Correctly indexing dark matter only between hydrodynical subhalos
2
13 Apr '17
Dark Matter Density Slices
2
11 Apr '17
half mass radius by type
3
23 Mar '17
GroupPos
2
16 Jan '17
Merger Trees of FoF groups
2
8 Jan '17
little_h
3
28 Nov '16
Scale Factor
2
3 Nov '16
Gravitational potential of baryonic matter over time?
7
23 Oct '16
How do I visualize and get more info about a snapshot from a Subbox?
3
13 Oct '16
Accessing 'Subhalo Matching To Dark'
8
20 Sep '16
GroupFirstSub in Illustris-3
2
20 Sep '16
Accessing halo 'GroupID' from group catalog.
3
19 Sep '16
Dark Matter Particles Masses
3
29 Jul '16
Subfind, FoF, and GZ .png images for different camera angles
2
17 Jul '16
Retrieving subhalos that are found in certain virial halos
4
17 Jul '16
Plotting spatial position of certain group haloes
2
3 Jun '16
How to select halos including specific number of subhalos
2
18 Apr '16
finding halo centers, displaying numerical values of subhalos on plots
3
24 Mar '16
Data corruption in z=0, Illustris-1 mock fits?
5
1 Mar '16
Questions on matching a specific halo and its mock images.
3
29 Feb '16
Potentials in Illustris-3-Dark
2
11 Dec '15
Volumetric gas distribution for a given galaxy
5
25 Nov '15
Mass of each Star/Wind Particle
2
3 Nov '15
Acssesing Dwarf Galaxy Data
2
18 Aug '15
Create Mock images
4
18 Aug '15
Internal Discrepancies Between Merger Tree Data
5
23 Jun '15
How to access data of specifics galaxies in all snapshots?
5
3 Jun '15
Two basic questions for Illustris simulation data
8
31 May '15
Track the image of subhalo into the snapNums
4
20 May '15
Galaxies and subhalos
2
22 Apr '15
  • Page 1 of 1