The 2dF Galaxy Redshift Survey
Goal: complete 1:1 galaxy sample out to 300 Mpc
- 3D sampling (cf. LCRS = 2D)
2dF strategy:
- 2000 deg2
- 250,000 galaxies, most SGP
- 400 per 1 hr shot (fibre optics)
- 97% completeness (tiling)
- Photographic selected
- bjឃ.45 (extinction corrected)
- z~0.15
- 4m shared telescope (AAT)
- 50,000 QSO candidates
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SDSS strategy:
- 10,000 deg2
- 900,000 most NGP
- 640 (fibres)
- 96% (tiling)
- CCD selected
- r គ.2
- z~0.1
- 2m dedicated
- 100,000 QSOs