GiggleZ was run to support the science programs of the WiggleZ Dark Energy Survey.
It consists of a large (21603 particles in a 1 Gpc/h box) "GiggleZ-main" simulation and a suite of 4 smaller-volume (125 Mpc/h box; named GiggleZ-LR/NR/MR and HR) "control-volume" simulations initialized with the same initial conditions but spanning a range og 512 in mass resolution.
A full 3D rendering of the formation of a galaxy cluster in the GiggleZ-HR simulation featured prominantly in the IMAX movie Hidden Universe.
Assumed cosmology is WMAP-5.
Selected Publications
Some highlighted publications involving GiggleZ:
This publication presents the GiggleZ simulation suite and uses the GiggleZ-main simulation to characterise the clustering of galaxies accross cosmic time.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study presents the first baryon acoustic oscillation (BAO) cosmology measurement from WiggleZ. GiggleZ is used to account for the scale dependance of galaxy clustering bias.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study places a highly competitive constraint on the mass of the neutrino using the large-scale distribution of the galaxies observed by WiggleZ. GiggleZ provides the model distribution needed to maximize the precision of this measurement.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study uses the topology of the distribution of galaxies observed by WiggleZ to perform a highly-novel cosmological distance measurement. GiggleZ is used to check the methodology of this measurement for systematics.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study performs a measurement of the scale at which the observed Universe becomes homogeneous. GiggleZ is used to check for systematics in this measurement and to establish a theoretical expectation from the standard cosmological model. The standard model is validated.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study presents a new approach to measuring the growth rate of cosmic structure. GiggleZ provides the dataset needed for the analysis.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study presents a fast and flexible method to generating mock realizations of the distribution of neutral hydrogen during the epoch of reionization. GiggleZ is one of several simulations that the method is applied to.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
This study presents the new galaxy formation model SAGE. SAGE is applied to several simulations including GiggleZ-MR.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).
Image Gallery
Select an image to open the gallery:
This is a perspective-rendered image of a rich galaxy cluster at z=0 (~5x1015 solar masses) in the GiggleZ-HR simulation.
This is a 25 h-1Mpc thick slice through the 1h-1Gpc-wide GiggleZ-main volume at z=0. For a VERY high resolution (10k x 10k) image, click here.
This is a 25 h-1Mpc thick slice through a 200h-1Mpc section of the 1h-1Gpc-wide GiggleZ-main volume at z=0.
This is a 25 h-1Mpc thick slice through a 25h-1Mpc section of the 1h-1Gpc-wide GiggleZ-main volume at z=0.
This is a persepctive-rendered image showing the distribution of rich galaxy clusters in the GiggleZ-main simulation at z=0 (i.e. current-day; there are ~104 systems larger than 1014 solar masses in the volume).
Movie Gallery
Select an image to open the gallery:
This is a perspective-rendered movie showing the formation of a rich galaxy cluster (~5x1015 solar masses at z=0) in the GiggleZ-HR simulation. Full-colour L/R 3D renderings in HD or IMAX resolution available upon request.
This shows a zoom-out from the largest object in the GiggleZ-main simulation at z=0. The frame is 25 h-1Mpc initially and is 1 h-1Gpc in the end.
This is a perspective-rendered movie showing a fly-through of the GiggleZ-main simulation.
This is a perspective-rendered movie showing the largest rich galaxy cluster at z=0 in the GiggleZ control-volume simulations. Resolution increases from the GiggleZ-LR to the GiggleZ-HR simulations, showing the effect of increasing mass resolution by a factor of 512.
This publication presents the GiggleZ simulation suite and uses the GiggleZ-main simulation to characterise the clustering of galaxies accross cosmic time.
Click here to see the full paper on NASA ADS (if you do not have access to the journal, follow the arXiv link).