Optical jets from the high-luminosity young stars LkH-alpha 234 and AFGL 4029

Details Optical jets from the high-luminosity young stars LkH-alpha 234 and AFGL 4029 Optical jets from the high-luminosity young stars LkH-alpha 234 and AFGL 4029

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...357l..45r&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 357, July 10, 1990, p. L45-L48.

Astronomy and Astrophysics

Astrophysics

91

Early Stars, Herbig-Haro Objects, Pre-Main Sequence Stars, Stellar Luminosity, Radial Velocity, Stellar Mass Ejection, Stellar Spectrophotometry, Visible Spectrum

Scientific paper

The discovery of Herbig-Haro (HH)-like jets emanating from the high-luminosity young stars LkH-alpha 234 and AFGL 4029 is reported. Both jets are associated with high-velocity molecular outflows. The LkH-alpha 234 jet lies along the symmetry axis of a recently discovered molecular cavity with LkH-alpha 234 at its apex. The AFGL 4029 jet has at least two radial velocity components, one of which reaches velocities of up to - 500 km/s. A proper motion study of the HH objects in NGC 7129 is also reported. It is found that the collinearity of the HH objects with LkH-alpha 234 is merely fortuitous. Alternative sources are suggested.

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