Physics – Optics
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.1802p&link_type=abstract
American Astronomical Society, 198th AAS Meeting, #18.02; Bulletin of the American Astronomical Society, Vol. 33, p.812
Physics
Optics
3
Scientific paper
We present results from a survey of circumstellar disks around young stars in the Taurus star-forming region and in the TW Hydrae association using a dual imaging polarimetric technique with adaptive optics. This technique suppresses speckle noise, which improves our sensitivity in detecting polarized light near bright stars. We present high resolution (75 mas) H-band polarimetry maps of circumstellar disks found around TW Hydrae, LkCa 15, GM Aur, and GG Tau and will discuss techniques used to extract physical properties of these disks from the polarization measurements. These observations were obtained with the University of Hawaii curvature sensing adaptive optics system, Hokupa`a, at the Gemini North 8m telescope. This research acknowledges support by the National Science Foundation.
Baudoz Pi.
Brandner Wolfgang
Close Laird
Graves Elon J.
Guyon Olivier
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