Broad-band imaging of the Beta Pictoris circumstellar disk

Details Broad-band imaging of the Beta Pictoris circumstellar disk Broad-band imaging of the Beta Pictoris circumstellar disk

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...319l..23p&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 319, Aug. 1, 1987, p. L23-L25. Research supported b

Astronomy and Astrophysics

Astrophysics

94

Broadband, Light Scattering, Protoplanets, Stellar Envelopes, Stellar Spectra, Data Reduction, Galactic Evolution, Spectral Resolution, Spectrum Analysis, Stellar Spectrophotometry

Scientific paper

The β Pictoris circumstellar disk is imaged at subarcsecond resolution between 5arcsec and 15arcsec from the star in the B, V, R and Ic bands. The shape of the emitted spectrum is indistinguishable within statistical uncertainty from that of β Pictoris itself. The surface brightness of the disk in the B, V, R and Ic band at 6arcsec from the star is 16.6, 16.3, 15.9 and 15.9 mag per square arcsecond, respectively. The results are consistent with the emission mechanism being scattering of starlight and the bulk of the scattering particles having sizes much greater than 1 μm.

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