Spectrophotometry at 10 microns at T Tauri stars

Journal Article · Mon Jul 01 04:00:00 EDT 1985 · Astrophys. J.; (United States)

DOI:https://doi.org/10.1086/163302· OSTI ID:5374092

Cohen, M; Witteborn, F C

We present new 8--13 ..mu..m spectra of 32 T Tau, or related young, stars. 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. We investigate 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. Several correlations suggest that the shells are likely to be flattened, disklike structures rather than spherical.

• Research Organization: NASA/Ames Research Center; and Radio Astronomy Laboratory, University of California, Berkeley
• OSTI ID: 5374092
• Journal Information: Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 294:1; ISSN ASJOA
• Country of Publication: United States
• Language: English

Related Subjects

640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CHEMICAL COMPOSITION
CORRELATIONS
COSMIC DUST
DUSTS
ERUPTIVE VARIABLE STARS
INFRARED SPECTRA
INTERSTELLAR GRAINS
MORPHOLOGY
OXYGEN COMPOUNDS
PARTICLES
SILICATES
SILICON COMPOUNDS
SPECTRA
SPECTROPHOTOMETRY
STAR EVOLUTION
STARS
STELLAR ACTIVITY
STELLAR WINDS
T TAURI STARS
VARIABLE STARS