Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..869k&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 869-887.
Astronomy and Astrophysics
Astronomy
271
Infrared Astronomy Satellite, Molecular Clouds, Sky Surveys (Astronomy), T Tauri Stars, Astronomical Photometry, Astronomical Spectroscopy, Auriga Constellation, Spectral Energy Distribution, Stellar Luminosity, Taurus Constellation
Scientific paper
IRAS data are used to search for young premain-sequence stars not previously associated with molecular cloud cores in the Taurus-Auriga region. NIR photometry and optical spectroscopy suggest that many of the objects are young stars. The sample includes six new embedded sources with luminosities comparable to that of the average T Tauri star, suggesting that surveys for premain-sequence stars in the cloud are essentially complete for luminosities greater than 0.5 solar luminosities. A disagreement is found between accretion rates derived from the duration of the embedded phase and those derived from the bolometric luminosity. It is found that this disagreement may be reconciled if a star accretes most of its mass in a time that is short compared to the duration of the embedded phase or if the ages of T Tauri stars have been underestimated.
Hartmann Lee W.
Kenyon Scott. J.
Strom Karen M.
Strom Stephen E.
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