Radio emission from young stars

Details Radio emission from young stars Radio emission from young stars

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...107..354f&link_type=abstract

Astronomy and Astrophysics, vol. 107, no. 2, Mar. 1982, p. 354-361.

Astronomy and Astrophysics

Astronomy

29

Radio Emission, Stellar Envelopes, Stellar Mass Accretion, Stellar Mass Ejection, Stellar Radiation, T Tauri Stars, A Stars, Absorption Spectra, B Stars, Nebulae, Nonthermal Radiation, Radio Astronomy, Stellar Evolution, Stellar Spectra

Scientific paper

Observations at 6 cm of 8 young stars with the Westerbork Synthesis Radio Telescope are presented. Four stars were detected at 3-4 sigma signal-to-noise levels. It is demonstrated that the radio emission cannot be explained as due to nonthermal emission from solar-like flare events. The radio emission can be produced by thermal processes in an ionized circumstellar envelope in a state of expansion or accretion. The implications of mass loss or mass accretion are investigated and several arguments in favor of mass loss are found.

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