Stellar winds and molecular clouds - T Tauri stars

Details Stellar winds and molecular clouds - T Tauri stars Stellar winds and molecular clouds - T Tauri stars

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...268..739c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 268, May 15, 1983, p. 739-752.

Astronomy and Astrophysics

Astronomy

86

Molecular Clouds, Stellar Mass Ejection, Stellar Winds, T Tauri Stars, Interstellar Gas, Line Spectra, Molecular Gases, Radio Sources (Astronomy)

Scientific paper

A search was made for high-velocity molecular gas in the environment of 12 T Tauri stars associated with optical nebulosities. The molecular gas associated with T Tau and HL and HZ Tau clearly showed carbon monoxide line wings extending at least over 15 km/s. HL and XZ Tau are located in the molecular cloud L1551, where an independent outflow powered by an infrared source has been reported. The existence of two separate centers of gas outflow in L1551 suggests that the phenomenon is common. The rate of momentum being injected by stars as T Tau and HL and XZ Tau into their molecular surroundings is large, not less than about 0.000001 solar mass km/s yr. These rates are higher than those expected from the radiative momentum rate of the stars alone, but comparable with those derived from optical observations of T Tau winds.

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