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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GRACES<br />
Injection<br />
Slicer<br />
Design Overview<br />
270 m fiber link<br />
Injection<br />
Calibration<br />
Guiding<br />
GMOS/bHROS<br />
Optical fiber bundle – the link<br />
<strong>Gemini</strong> Telescope<br />
✓ Fiber: 270-m long, ∅165 µm = ∅1.2” on-sky<br />
fold<br />
mirror<br />
<strong>ESPaDOnS</strong><br />
<strong>CFHT</strong><br />
Injection<br />
Slicer<br />
✓ Broadband Polymicro<br />
Technologies FBP fibers<br />
Fiber<br />
Calibration<br />
module<br />
Cassegrain Module<br />
(polarimetry)<br />
<strong>CFHT</strong> Telescope<br />
Guider<br />
Raw Images<br />
Ancillary data<br />
<strong>CFHT</strong> server<br />
IF <strong>Gemini</strong><br />
IF <strong>CFHT</strong><br />
Data Reduction<br />
LE/Opera<br />
By Joe Zhou, John H. Shannon, James P. Clarkin
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