IRAS observations of Post-T-Tauri stars

Details IRAS observations of Post-T-Tauri stars IRAS observations of Post-T-Tauri stars

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100.1618t&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Nov. 1990, p. 1618-1620.

Astronomy and Astrophysics

Astronomy

6

Binary Stars, Pre-Main Sequence Stars, Spaceborne Astronomy, Stellar Spectra, Emission Spectra, Far Infrared Radiation, Infrared Astronomy Satellite

Scientific paper

Eighty Post-T-Tauri stars in binary systems, located far from dark cloud complexes, were checked for far-IR emission, using the IRAS data base. Only seven of them were detected at 12 microns. Most of the stars are found to radiate normally at 12 microns, having luminosities (L12) in the range 4 x 10 to the 30th - 3 x 10 to the 33rd ergs/s; this emission originates in the stellar photosphere. There are indications, though, that the younger Post-T-Tauri stars, less than 15 x 10 to the 6th years old, possess weak IR excess, possibly due to surrounding dust.

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