A paradoxical gap in the relative ages of T Tauri stars

Details A paradoxical gap in the relative ages of T Tauri stars A paradoxical gap in the relative ages of T Tauri stars

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...282..688w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 282, July 15, 1984, p. 688-692.

Other

3

Chronology, Hertzsprung-Russell Diagram, Pre-Main Sequence Stars, Stellar Evolution, T Tauri Stars, Balmer Series, Orion Constellation

Scientific paper

The frequency distribution of T Tauri stars of different Youth (relative age) shows a pronounced gap at 5 percent of their time to the zero-age main sequence. This gap, which occurs in all of the four major T Tauri associations, is too large to be filled by unclassifiable veiled stars. It is nearly vertical on the Hertzsprung-Russell diagram, is centered near spectral class K5, and lies close to the transition between the convective and radiative tracks of the pre-main-sequence stars. It is noted that the range of variability seems unrelated to the other observational features of these stars.

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