Spectrophotometry at 10 microns of T Tauri stars

Details Spectrophotometry at 10 microns of T Tauri stars Spectrophotometry at 10 microns of T Tauri stars

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...294..345c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 294, July 1, 1985, p. 345-356.

Astronomy and Astrophysics

Astronomy

98

Infrared Astronomy, Pre-Main Sequence Stars, Stellar Spectrophotometry, Subgiant Stars, T Tauri Stars, Variable Stars, Absorption Spectra, Abundance, Emission Spectra, Interstellar Extinction, Linear Polarization, Silicates, Stellar Envelopes, Stellar Evolution, Stellar Winds

Scientific paper

New 8-13 micron spectra of 32 T Tau, or related young, stars are presented. Silicate emission features are commonly seen. Absorptions occur less frequently but also match the properties of silicate materials. The shape of the emission feature suggests that a more crystalline grain is responsible in the T Tau stars than those of the Trapezium region. The evolution of the silicate component of the circumstellar shell around T Tau stars, and its dependence upon stellar wind activity, visual linear polarization, and extinction are investigated. Several correlations suggest that the shells are likely to be flattened, disklike structures rather than spherical.

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