Gemini Remote Access to CFHT ESPaDOnS Spectrograph
Gemini Remote Access to CFHT ESPaDOnS Spectrograph
Gemini Remote Access to CFHT ESPaDOnS Spectrograph
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Design Overview<br />
fold<br />
mirror<br />
GRACES<br />
Injection<br />
Slicer<br />
270 m fiber ∅165 μm<br />
<strong>CFHT</strong><br />
Injection<br />
Slicer<br />
Fiber<br />
✓ <strong>ESPaDOnS</strong> Two fibers separated by 10”<br />
Injection<br />
Calibration<br />
Guiding<br />
GMOS/bHROS<br />
The input – <strong>Gemini</strong> end<br />
✓ bHROS-like modified cassette in GMOS-N<br />
Calibration<br />
module<br />
✓ Two observing modes: “star+sky” and “star only”<br />
Cassegrain Module<br />
(polarimetry)<br />
Guider<br />
✓ Lenses <strong>to</strong> convert F/16 <strong>Gemini</strong> beam <strong>to</strong> F/3.6<br />
<strong>Gemini</strong> Telescope<br />
<strong>CFHT</strong> Telescope<br />
Raw Images<br />
Ancillary data<br />
<strong>CFHT</strong> server<br />
IF <strong>Gemini</strong><br />
✓ Space reserved <strong>to</strong> a miniature ADC<br />
IF <strong>CFHT</strong><br />
Data Reduction<br />
LE/Opera
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