3 Bootes Void Kirshner Oemler Schechter Shectman 1981
3次元的大規模構造の発見 • Bootes Void : – Kirshner, Oemler, Schechter & Shectman (1981) – 239 galaxies
3次元的大規模構造の発見 • Perseus-Pisces chain: 21 cm redshift survey – Giovanelli & Haynes (1985), Giovanelli et al. (1986) – 342 + 275 galaxies
3次元的大規模構造の発見 • Bubble構造: Cf. A redshift survey – de Lapparent, Geller & Huchra (1986) – 1100 galaxies
Redshift Survey の大規模化 Cf. A II survey (1989 -): 11, 000 galaxies Las Campanas Redshift Survey (1996): 26, 000 galaxies
最新のRedshift Survey 2 d. F Survey (-2003): 250, 000 galaxies Sloan Digital Sky Survey (-2008): 1, 000 galaxies (ongoing)
Sloan Digital Sky Survey • SDSS (Sloan Digital Sky Survey) – 2. 5 m 専用望遠鏡 [Apache point, New Mexico] – 現在進行中 (2008まで) – 1, 000 galaxies, 100, 000 quasars
• Sky coverage の拡大
宇宙初期のバリオン音響振動と相関関数 バリオン音響振動によるピーク SDSS (Eisenstein et al. 2005) (y-axis is not standard) My prediction (2004) (y-axis is logarithmic)
(Extended) Alcock-Paczynski Effect (1) • 高赤方偏移空間の幾何学的変形 ( z≠ 0 ) – (Extended) Alcock-Paczynski Effect – ダークエネルギー成分に敏感 real space closed open redshift space
(Extended) Alcock-Paczynski Effect (2) • (Extended) Alcock-Paczynski Effect と宇宙パラメータ Matsubara 2004
- Slides: 28