Molecular outflows in protostellar evolution

Details Molecular outflows in protostellar evolution Molecular outflows in protostellar evolution

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.342..161f&link_type=abstract

Nature (ISSN 0028-0836), vol. 342, Nov. 9, 1989, p. 161-163.

Astronomy and Astrophysics

Astronomy

38

Molecular Clouds, Molecular Flow, Stellar Evolution, T Tauri Stars, Color-Color Diagram, Infrared Astronomy Satellite, Kinetic Energy, Orion Nebula, Stellar Luminosity, Stellar Mass Accretion

Scientific paper

Most of the previous studies of molecular outflows have been strongly biased toward optical or near-infrared signposts of star formation. Here, the final result of an unbiased survey of the Lynds 1641 dark cloud is reported. It is shown that molecular outflows are characterized by total luminosity significantly greater than that of T Tauri stars. This indicates that molecular outflow corresponds to the main accretion phase of protostellar evolution, in which the luminosity excess is due to the gravitational energy released by dynamical mass accretion onto the protostellar core.

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