Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...383..705p&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 383, Dec. 20, 1991, p. 705-713.
Astronomy and Astrophysics
Astrophysics
28
Astronomical Spectroscopy, Interstellar Gas, Molecular Clouds, Star Formation, Carbon Monoxide, Emission Spectra, Herbig-Haro Objects, Millimeter Waves, Red Shift
Scientific paper
Evidence is presented to the effect that the CO emission previously associated with the northern rim of the redshifted lobe of the L1551/IRS 5 outflow may be produced by the interaction of the HH-30 optical jet and with the L1551 molecular cloud. It is concluded that the redshifted lobe of L1551/IRS 5 is more collimated than was previously thought and the high-velocity CO in this lobe may be confined to an incomplete shell. The molecular outflow associated with HH-30 may be dynamically distinct from the compact flow previously recognized to exist in the HL/XZ Tau region. The discovery of a second new outflow in the L1551 cloud, L1551W, is reported; it consists of a lobe of redshifted emission centered about 17 arcmin west of IRS 5. No obvious infrared candidate for the exciting source of this outflow is found.
Bally John
Pound Marc William
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