X-shooter

Phase 2 Users Workshop | 12.01.2012

Vincenzo Mainieri (USD)

• Single target medium resolution (R=3300-18200)

spectrograph

• Covers a wide wavelength range (300-2500 nm)

• Consists of 3 arms, each a cross-dispersed echelle

spectrograph

• UVB, covering the wavelength range 300-559.5 nm

• VIS, covering the wavelength range 559.5-1024 nm

• NIR, covering the wavelength range 1024-2480 nm

Phase 2 Users Workshop | 12.01.2012

P89: 132 proposal (second only to FORS2)

Pressure factor ~ 4 (highest at VLT)

X-shooter

Phase 2 Users Workshop | 12.01.2012

The light path

Observing with X-shooter

Phase 2 Users Workshop | 12.01.2012

• Two observing modes: SLIT and IFU spectroscopy

• All X-shooter OBs are composed of an acquisition

template followed by one or several science templates

Target acquisition

Phase 2 Users Workshop | 12.01.2012

A good finding

chart!

Target fainter than mag=21-22

Blind offsets

PA

Phase 2 Users Workshop | 12.01.2012

NIR DIT (>300s): 480, 600, 900, 1200 s

Spectroscopic observations

Spectroscopic observations

Phase 2 Users Workshop | 12.01.2012

Low background

in J and H !!!

0.6” & 0.9” slits with

K band blocking filter

P89

More information

Phase 2 Users Workshop | 12.01.2012

• X-shooter User Manual

• Instrument News web-page

… and tutorial this afternoon.