Image Details
Caption: Fig. 1.
Beam profiles used for modeling Class 0 sources. The beam profile from 1998 January to 1998 April and Gaussian beams with the FWHMs reported in Paper I are shown. Since CRL 618 is a weak calibrator, the 1998 January beam was extrapolated beyond 34﹩\arcsec﹩ using the 1998 April beam.
© 2002. The American Astronomical Society. All rights reserved. Printed in U.S.A.