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Mid-Infrared Imaging of the Post-AGB Star AC Herculis with the MMT Adaptive Optics System
Laird M. Close, Beth Biller, William F. Hoffmann +8
We utilized the MMT's unique deformable secondary adaptive optics system to produce high-resolution (FWHM=0.3"), very high Strehl mid-infrared (9.8, 11.7 & 18 micron) images of the…
Epsilon Indi Ba/Bb: the nearest binary brown dwarf
M. J. McCaughrean, L. M. Close, R. -D. Scholz +5
We have carried out high angular resolution near-infrared imaging and low-resolution (R~1000) spectroscopy of the nearest known brown dwarf, Eps Indi B, using the ESO VLT NAOS/CONI…
Detection of Nine M8.0-L0.5 Binaries: The Very Low Mass Binary Population and its Implications for Brown Dwarf and VLM Star Formation
Laird M. Close, Nick Siegler, Melanie Freed +1
Use of the highly sensitive Hokupa'a/Gemini curvature wavefront sensor has allowed direct adaptive optics (AO) guiding on very low mass (VLM) stars with SpT=M8.0-L0.5. A survey of…