Luc Dame
Luc Dame
Luc Dame
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Preparing Next Steps: AFSIIC & A-FOURMI <br />
• Current facilities are either very limited in spectroscopy (NSST<br />
La Palma) or in spatial resolution (like THEMIS) and with low<br />
duty cycle (AO ≤ 1% since cannot "lock" when poor r 0 )<br />
• Next to come (either on-axis or off-axis design) are Gregor 1.5<br />
m and NST 1.6 m but still limited for IR and coronal<br />
observations; diffraction limited use is foreseen but with duty<br />
cycle problem of AO activation at small r 0 (500 - 600 hours?)<br />
• AFSIIC (Antarctica Facility for Solar Interferometric Imaging<br />
& Coronagraphy) would outperforms them by diffraction<br />
limited resolution @ high duty cycle, polarization, coronal<br />
magnetic field measurements (IR) and coronagraphy<br />
• Later will be ATST and, possibly, EST or A-FOURMI 4 m class<br />
facility… Precursors/demonstrators will show the way
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