Rotating H(C-13)CO(+) disk and corotating H(C-12)CO(+) lobes in the L1551 outflow source

Details Rotating H(C-13)CO(+) disk and corotating H(C-12)CO(+) lobes in the L1551 outflow source Rotating H(C-13)CO(+) disk and corotating H(C-12)CO(+) lobes in the L1551 outflow source

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219l..19l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. L19-L22.

Astronomy and Astrophysics

Astrophysics

7

Formyl Ions, Interstellar Chemistry, Molecular Clouds, Pre-Main Sequence Stars, Astronomical Spectroscopy, Radio Telescopes, Red Shift

Scientific paper

The present high-velocity resolution observations of H(C-13)CO(+) and H(C-12)CO(+) towards L1551 reveal a bipolar outflow of the latter compound from the premain sequence star IRS-5; this star is centered on a flattened, about 3-arcmin-long, cloud clump of the former compound. The direction of the ion outflow is oriented E-W, rather than along the NE-SW axis of the more extended CO outflow. The H(C-12)CO(+) isovelocity contour map indicates that the dense lobe material is rotating in the same sense as the H(C-13)CO(+) disk, thereby lending support to hydromagnetic-outflow models.

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