Near-Infrared Images of the Disk around HD 142527

Details Near-Infrared Images of the Disk around HD 142527 Near-Infrared Images of the Disk around HD 142527

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007lyot.confe..46f&link_type=abstract

Proceedings of the conference In the Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21s

Physics

Scientific paper

The unique morphology in the disk around the Herbig Ae star HD 142527 has been found by the near-infrared, mid-infrared, and submillimeter observations. In order to further study the disk property, we conducted polarimetric observations of HD 142527 in J, H, and K bands using coronagraphy. The disk consisting of two arcs is strongly polarized. The polarization level is higher for the fainter eastern arc (up to about 50%) than the western arc, which supports the suggestion by the previous studies that a geometrically thick disk is inclined along the east-west direction. Images were also obtained in L' band, and the two arcs were detected without a significant color (K ? L') difference between the eastern and western sides. We present the images and discuss dust property in the disk.

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