Tony Fairall / University of Cape Town / Aug 06

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Presentation transcript:

Tony Fairall / University of Cape Town / Aug 06 6dF Visualizations Supergalactic Cartesian Coordinates SGX Moving Slice 1000 km/s thick SGX from15000 to -35000 in steps of 500 km/s (No features labelled in this version) OVERALL Tony Fairall / University of Cape Town / Aug 06

‘Labyrinth’ software (written by C. Hultquist and S. Perumal) Where two or more galaxies are separated by less than the percolation distance (i.e. in groups,clusters or large-scale structures), they are enclosed within a transparent surface. The percolation distance used here is 100 km/s in redshift space at cz=0, but increased with increasing cz to compensate for the drastic decrease in data density. The colours carry no meaning, except the blue serves to subdue the visual appearance of the distant structures (that look thicker since they were created with a larger percolation distance), in balance with the nearer structures.

PowerPoint presentation allows one to scroll forwards and backwards

REFERENCE GRID +SGY +SGZ -SGZ -SGY +20000 +SGZ -SGZ +20000 -20000 -20000 -SGY NGH top, SGH bottom. Looking in a negative SGX direction. This grid applies to all slides following

Each slice is 1000 km/s thick SGX = 15000 Each slice is 1000 km/s thick

SGX = 14500

SGX = 14000

SGX = 13500

SGX = 13000

SGX = 12500

SGX = 12000

SGX = 11500

SGH = 11000

SGX = 10500

SGX = 10000

SGX = 9500

SGX = 9000

SGX = 8500

SGX = 8000

SGX = 7500

SGX = 7000

SGX = 6500

SGX = 6000

SGX = 5500

SGX = 5000

SGX = 4500

SGX = 4000

SGX = 3500

SGX = 3000

SGX = 2500

SGX = 2000

SGX = 1500

SGX = 1000

SGX = 500

SGX = 0

SGX = -500

SGX = -1000

SGX = -1500

SGX = -2000

SGX = -2500

SGX = -3000

SGX = -3500

SGX = -4000

SGX = -4500

SGX = -5000

SGX = -5500

SGX = -6000

SGX = -6500

SGX = -7000

SGX = -7500

SGX = -8000

SGX = -8500

SGX = -9000

SGX = -9500

SGX = -10000

SGX = -10500

SGX = -11000

SGX = -11500

SGX = -12000

SGX = -12500

SGX = -13000

SGX = -13500

SGX = -14000

SGX = -14500

SGX = -15000

SGX = -15500

SGX = -16000

SGX = -16500

SGX = -17000

SGX = -17500

SGX = -18000

SGX = -18500

SGX = -19000

SGX = -19500

SGX = -20000

SGX = -20500

SGX = -21000

SGX = -21500

SGX = -22000

SGX = -22500

SGX = -23000

SGX = -23500

SGX = -24000

SGX = -24500

SGX = -25000

SGX = -25500

SGX = -26000

SGX = -26500

SGX = -27000

SGX = -27500

SGX = -28000

SGX = -28500

SGX = -29000

SGX = -29500

SGX = -30000

SGX = -30500

SGX = -31000

SGX = -31500

SGX = -32000

SGX = -32500

SGX = -33000

SGX = -33500

SGX = -34000

SGX = -34500

SGX = -35000

End of sequence