SAMI

Sydney-AAO Multi-object Integral field spectrograph (SAMI)

• 13 integral field units (IFUs),each with a field of view of 15arcsec

12 galaxies and 1 secondary star

• each IFU consists of a bundle of 61 optical fibers a high filling factor ~75%)
• installed on the 3.9-m Anglo-Australian Telescope (AAT),1 deg FOV
• 370–570 nm with R=1730 in the blue arm, and 625–735 nm with R = 4500 in the red arm.

---

SAMI Galaxy survey

• aim: IFS data for 3400 galaxies
• Sample:

a field and group sample from GAMA G09, G12 and G15 fields

a cluster sample from a set of eight galaxy clusters.

• EDR, 107 galaxies [1]

---

光谱处理

• SAMI的光谱发射线拟合程序LZIFU,Ho et al. (2014)

which utilizes pPXF for stellar template fitting and the MPFIT library (MILES templates) for estimating emission-line properties.