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High Resolution Infrared Imaging & Spectroscopy of the Z Canis Majoris System During Quiescence & Outburst
Sasha Hinkley, Lynne Hillenbrand, Ben R. Oppenheimer +21
We present adaptive optics photometry and spectra in the JHKL-bands along with high spectral resolution K-band spectroscopy for each component of the Z Canis Majoris system. Our hi…
Constraining mass ratio and extinction in the FU Orionis binary system with infrared integral field spectroscopy
Laurent Pueyo, Lynne Hillenbrand, Gautam Vasisht +15
We report low resolution near infrared spectroscopic observations of the eruptive star FU Orionis using the Integral Field Spectrograph Project 1640 installed at the Palomar Hale t…
High Contrast Imaging with an Arbitrary Aperture: Active Correction of Aperture Discontinuities
Laurent Pueyo, Colin Norman
We present a new method to achieve high-contrast images using segmented and/or on-axis telescopes. Our approach relies on using two sequential Deformable Mirrors to compensate for…
Review of small-angle coronagraphic techniques in the wake of ground-based second-generation adaptive optics systems
Dimitri Mawet, Laurent Pueyo, Peter Lawson +26
Small-angle coronagraphy is technically and scientifically appealing because it enables the use of smaller telescopes, allows covering wider wavelength ranges, and potentially incr…
Detection and Characterization of Exoplanets and Disks using Projections on Karhunen-Loeve Eigenimages
Remi Soummer, Laurent Pueyo, James Larkin
We describe a new method to achieve point spread function (PSF) subtractions for high- contrast imaging using Principal Component Analysis (PCA) that is applicable to both point so…
Spectral Typing of Late Type Stellar Companions to Young Stars from Low Dispersion Near-Infrared Integral Field Unit Data
Lewis C. Roberts, Emily L. Rice, Charles A. Beichman +22
We used the Project 1640 near-infrared coronagraph and integral field spectrograph to observe 19 young solar type stars. Five of these stars are known binary stars and we detected…