Changes and Additions

Dylan Nelson
  • 11 Apr '17

11 Apr, 2017: A new supplementary data catalog "(h) Photometry, Morphology, Strong-lensing and Dynamics (PMSD)" has been added for Illustris-1 (covering 10 snapshots from z=0.1 to z=1.0). It contains many associated measurements primarily from the strong-lensing perspective. (update from Dandan Xu).

Dylan Nelson
  • 2 Jun '17

2 June, 2017: New functionality has been added to the web API. Individual fields can now be downloaded from group catalogs, without needing to download the entire catalog. See the API reference documentation under [base]/groupcat-{num}/?{subset_query}. For example, this link downloads just the Illustris-1 z=0 subhalo SFRs.

Dylan Nelson
  • 21 Aug '17

21 August, 2017: New functionality has been added to the web API. The descendant branch(es) of the SubLink merger tree (i.e. towards lower redshift) can now be obtained for any given halo at any snapshot. See the API reference documentation under [base]/subhalos/{id}/sublink/mdb.hdf5 for details. For example, this link downloads the MDB ("main descendant branch") of the central subhalo of the 10th most massive halo of Illustris-1 at z=2. Because this subhalo lies on the MPB of its z=0 descendant, the return is a single tree branch. Note that if the selected subhalo does not lie on the MPB of its z=0 descendant, then the return is the full descendant merger tree which contains as its first entry the z=0 descendant of this subhalo.

Dylan Nelson
  • 17 Oct '17

17 October, 2017: A new supplementary data catalog "(j) Mock Deep Field Lightcones (HST, JWST, WFIRST)" has been added for Illustris-1. It contains synthetic deep survey images, in particular three "mock ultra deep fields", each 2.8 arcminutes across, in common wide filters used by HST, as well as in filters expected to be used widely by observers with JWST and WFIRST. See the data documentation for more information. (update from Greg Snyder).

Dylan Nelson
  • 1
  • 17 Nov '17

16 November, 2017: The units of the Volume field for gas cells were previously given incorrectly as the reciprocal. The correct units are (ckpc/h)^3, and the documentation has been updated.

Dylan Nelson
  • 22 Dec '17

22 December, 2017: The units of the angular momentum quantities in the supplementary catalog "(i) Halo/galaxy angular momentum and baryon content" have been fixed, they previously included only one factor of little h, but the correct value is h^2.

Dylan Nelson
  • 2 Feb '18

2 February, 2018: New functionality has been added to the web API. A "simple.json" return is available for the SubLink tree, which gives information about the main progenitor branch of a subhalo, and a list of its past mergers, only. In both cases a pair of (snapshot number, subhalo ID) are given. For example, this link shows a history with three merger events. See the API reference documentation under [base]/subhalos/{id}/sublink/ for details. (thanks to Zephyr Penoyre).

Dylan Nelson
  • 20 Dec '18

17 December, 2018: The public data release of the first two simulations of IllustrisTNG: these are the TNG100 and TNG300 volumes (see paper on arxiv).

Dylan Nelson
  • 25 Feb

25 February, 2019: A new TNG supplementary data catalog "(h) Subbox Subhalo List" has been added for all TNG baryonic simulations with subboxes. It contains information on which subhalos/galaxies/halos pass through each subbox over time, allowing high time-resolution analyses and visualization. See the data documentation for more information. (update from Dylan Nelson).

Dylan Nelson
  • 1 Mar

1 March, 2019: A new TNG supplementary data catalog "(i) Molecular and atomic hydrogen (HI+H2) galaxy contents" has been added for TNG100-1, TNG100-2, TNG300-1, and Illustris-1. This contains several models of the HI and H2 (molecular hydrogen) mass per subhalo. See the data documentation for more information. (update from Benedikt Diemer).

Dylan Nelson
  • 2 Mar

3 March, 2019: A new TNG supplementary data catalog "(l) SKIRT Synthetic Images and Optical Morphologies" has been added for TNG100-1 (currently z=0 and z=0.05). This contains post-processed dust radiative transfer calculations with SKIRT to derive broadband images, as well as the results of automatic morphological classification measures. See the data documentation for more information. (update from Vicente Rodriguez-Gomez).

Dylan Nelson
  • 19 Mar

19 March, 2019: The Stellar Circularities, Angular Momenta, Axis Ratios supplementary catalog has been produced and released for TNG100 (all three resolution levels). The details and information herein is exactly the same as was previously made available for the original Illustris-1 simulation. (update from Shy Genel).

Dylan Nelson
  • 30 Apr

30 April, 2019: A first part of the (d) Subhalo Matching Between Runs catalog has been released, covering matching between all baryonic runs and their dark matter only counterparts (all TNG100 and TNG300 boxes). This gives, for each subhalo in the full physics box, the matching subhalo in the DM-only run, at the same resolution. See the documentation for more details. (update from Dylan Nelson).

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