Inner part observation of the beta Pictoris disk

Details Inner part observation of the beta Pictoris disk Inner part observation of the beta Pictoris disk

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.212..173f&link_type=abstract

Astrophysics and Space Science, vol. 212, nos. 1-2, p. 173-180

Astronomy and Astrophysics

Astrophysics

2

Cosmic Dust, Imaging Techniques, Protoplanets, Stellar Envelopes, Charge Coupled Devices, Light (Visible Radiation), Stellar Models

Scientific paper

The inner regions of the circumstellar disk around beta Pictoris might be dust-free due to a possible planet which may have cleared up dust particles. We present a new observational technique based on the use of an anti-blooming CCD in order to directly image this zone. The structure of the disk is revealed down to 2 arcsec from the star (30 AU). We show that the beta Pic disk brightness is neutral in V, R, and IC, but drops down when going inward in B, possibly related to a change in the dust composition. Also, a slight disk asymmetry is present but inverted from the outer to the inner zones.

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