Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...274l..83m&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 274, Nov. 15, 1983, p. L83-L86.
Astronomy and Astrophysics
Astrophysics
352
Early Stars, Jet Flow, Stellar Mass Ejection, Stellar Winds, Collimation, Emission Spectra, Herbig-Haro Objects, T Tauri Stars
Scientific paper
The discovery of four jetlike emission-line nebulosities associated with DG Tau, DG Tau B, HH 30, and HL Tau, and the confirmation of the IRS 5 jet in L1551 are reported. All these jets have typical lengths of 2-4 x 10 to the 16th cm and small opening angles of 5 deg-10 deg. The observations strongly suggest that these jets are due to a highly collimated mass outflow. Their collimation must take place at distances smaller than 3 x 10 to the 15th cm from the jet sources. Many CO outflows observed near low to medium luminosity sources (0.1-100 solar luminosities) may be driven by jets, similar to the newly discovered ones.
Fried Josef W.
Mundt Reinhard
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