Adaptive Optics Science with the MMT Adaptive Secondary: Mid-IR AO Imaging of the Post-AGB Star AC Her
msra(2005)
摘要
The world’s first adaptive secondary has been commissioned at the 6.5m MMT. Early science results suggests that it is unique and highly productive. Nearly diffraction-limited 0.07” H band images have been obtained of the Trapezium core [Close et al. 2003b]. Moreover, an adaptive secondary makes low emissivity Mid-IR (8-20 micron) AO science possible for the first time. We have obtained the first Mid-IR AO results with Strehls of ~100% from 8-20 microns. The very high PSF stability at such Strehls has allowed us to rule out any extended (>0.2′′) structure around the post-AGB stars AC Her and Alpha Her [Close et al. 2003c]. In addition, Biller et al. (2003) has used this PSF stability to obtain super-resolutions through deconvolution. The resulting 0.1” images of the AGB star RV Boo detects a dust disk for the first time [Biller et al. 2003].
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关键词
super resolution,adaptive optics
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