Infrared observations of young stars. VI - A 2- to 4-micron search for molecular features

Details Infrared observations of young stars. VI - A 2- to 4-micron search for molecular features Infrared observations of young stars. VI - A 2- to 4-micron search for molecular features

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.173..279c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 173, Nov. 1975, p. 279-293.

Astronomy and Astrophysics

Astronomy

105

Absorption Spectra, Early Stars, Infrared Astronomy, Interstellar Extinction, Interstellar Matter, Stellar Spectrophotometry, Black Body Radiation, Cosmic Dust, H Alpha Line, Ice, Infrared Spectrophotometers, Stellar Structure, T Tauri Stars, Water Vapor

Scientific paper

Narrow-band spectrophotometric observations between 2 and 4 microns are presented of 21 T Tau and early-type young stars. Virtually all the stars are characterized by smooth featureless continua. The extremely young star HL Tau has an absorption feature centered at 3.1 microns which is well matched by extinction from 30 micrograms/sq cm of pure ice. Particle radii are less than about 0.3 micron. FU Ori and V1057 Cyg show absorptions due to water vapor near 2 microns.

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