Infrared observations of young stars. VIII - Spectra in the ten-micron region

Details Infrared observations of young stars. VIII - Spectra in the ten-micron region Infrared observations of young stars. VIII - Spectra in the ten-micron region

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..499c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, May 1980, p. 499-509.

Astronomy and Astrophysics

Astronomy

69

Early Stars, Infrared Astronomy, Infrared Spectra, Stellar Spectra, Thermal Emission, Absorption Spectra, Cosmic Dust, Infrared Absorption, Silicates, Stellar Spectrophotometry

Scientific paper

Filter-wheel spectrophotometry is presented of 14 young stars. Very similar broad emission features are seen in five stars which qualitatively compare very favorably with the 'silicate' emission of the Orion Trapezium region. HL Tau has a silicate absorption feature, and three other stars show weak 10 micron absorptions. The amount of silicate material observed in HL Tau is determined. It does not appear that the presence/absence of a 10 micron emission/absorption feature, or its magnitude in an individual star, can be predicted.

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