Spectral line shapes in spherically symmetric radially moving clouds

Details Spectral line shapes in spherically symmetric radially moving clouds Spectral line shapes in spherically symmetric radially moving clouds

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..129k&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 1, 1978, p. 129-140. Research supported by the Alfred P. Sloan Foundation

Astronomy and Astrophysics

Astrophysics

19

Interstellar Gas, Line Shape, Molecular Spectra, Spectral Line Width, Astronomical Models, Carbon Monoxide, Gravitational Collapse, Nebulae, Optical Thickness, Radiative Transfer

Scientific paper

We present a method for the analysis of spectral line shapes arising in homogeneous, moving gas clouds in which velocity and molecular line excitation have power-law dependences on radial distance from the center. Analytical expressions are obtained for radial flows, for both optically thick and optically thin lines. The additional case of an optically thick line from a differentially rotating cloud is considered qualitatively. The method is applied to the interpretation of the C(12)O line observed in the direction of the Kleinmann-Low infrared nebula in Orion. While gravitational collapse and accelerated outflows would produce lines qualitatively similar to the observed profile, it does not appear to be possible to fit either model to the observations in detail.

Affiliated with

Also associated with

No associations

Rating

Spectral line shapes in spherically symmetric radially moving clouds does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Spectral line shapes in spherically symmetric radially moving clouds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectral line shapes in spherically symmetric radially moving clouds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-943198