The distribution of hot thermal methanol in Orion-KL

Details The distribution of hot thermal methanol in Orion-KL The distribution of hot thermal methanol in Orion-KL

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...214..321w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 214, no. 1-2, April 1989, p. 321-326.

Astronomy and Astrophysics

Astrophysics

23

Astronomical Spectroscopy, Methyl Alcohol, Molecular Clouds, Orion Nebula, Abundance, Interstellar Chemistry, Radial Velocity, Spectral Line Width, Very Large Array (Vla)

Scientific paper

VLA maps of the 10(1)-9(2)A(-) line of methanol show two velocity components. The narrower (FWHP about 2 km/sec, V(LSR) = 7.6 km/sec) component has a maximum near IRc4 and 5, a peak corrected brightness temperature of 120 + or - 10 K and a deconvolved size of 14 x 10 arcsec (P.A. 0 deg). The peak of this emission shifts 2 arcsec to the SW with increasing radial velocity. The wider velocity component (FWHP 7 km/sec) was traced by maps of the line wings. These are centered at the hot core, 6 arcsec north of the narrow component.

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