M U SubbaRao et al 2008 New J. Phys. 10 125015 doi:10.1088/1367-2630/10/12/125015
Visualization of large scale structure from the Sloan Digital Sky Survey
Focus on Visualization in PhysicsM U SubbaRao1,2, M A Aragón-Calvo3, H W Chen2, J M Quashnock2,4, A S Szalay3 and D G York2
Show affiliationsPart of Focus on Visualization in Physics
We will discuss the challenges of visualizing large cosmological datasets. These include observational issues such as the masks and incomplete nature of the survey volume, cosmological issues such as redshift distortions and the difficulty of visualizing datasets that span cosmological epochs, as well as the inherent visualization challenges in presenting dense three-dimensional (3D) datasets. Two case studies will be presented. The first will feature the identification of filamentary structures in the large scale distribution of galaxies. The second case study will feature visualizations of the correlations between quasar absorption line systems and luminous red galaxies. Finally, we will give an overview of our visualization work-flow which features the use of the open-source 3D modeling program Blender.
- PACS
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95.80.+p Astronomical catalogs, atlases, sky surveys, databases, retrieval systems, archives, etc.
98.62.Py Distances, redshifts, radial velocities; spatial distribution of galaxies
98.62.Ra Intergalactic matter; quasar absorption and emission-line systems; Lyman forest
- Subjects
- Dates
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Issue 12 (December 2008)
Received 11 August 2008
Published 1 December 2008
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Visualization of large scale structure from the Sloan Digital Sky Survey
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