Multiband ACS Coronagraphic Imaging of the Debris Disk around β Pictoris

Details Multiband ACS Coronagraphic Imaging of the Debris Disk around β Pictoris Multiband ACS Coronagraphic Imaging of the Debris Disk around β Pictoris

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.1711g&link_type=abstract

American Astronomical Society Meeting 205, #17.11; Bulletin of the American Astronomical Society, Vol. 36, p.1366

Astronomy and Astrophysics

Astronomy

Scientific paper

We present multiband, coronagraphic images of the circumstellar debris disk around the young A5V star β Pictoris obtained with the High Resolution Channel of the Hubble Space Telescope's Advanced Camera for Surveys. These B, V, and I band images of the inner region of the disk (30-250 AU from the star) confirm the asymmetries and warps revealed in earlier images recorded by the Space Telescope Imaging Spectrograph and show no significant changes in disk morphology as a function of optical wavelength. We report the first precise measurements of the optical colors of the disk, which allow us to constrain the distribution of grain sizes throughout the observed region of the disk.

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