The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps

Details The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps

1999-03-30

arxiv.org/abs/astro-ph/9903454v2

Astronomy and Astrophysics

Astrophysics

29 pages, including 4 figures (tar file submitted as source) See also: http://cfa-www.harvard.edu/~agoodman/scf/velocity_metho

Scientific paper

10.1086/307863

The "spectral correlation function" analysis we introduce in this paper is a new tool for analyzing spectral-line data cubes. Our initial tests, carried out on a suite of observed and simulated data cubes, indicate that the spectral correlation function [SCF] is likely to be a more discriminating statistic than other statistical methods normally applied. The SCF is a measure of similarity between neighboring spectra in the data cube. When the SCF is used to compare a data cube consisting of spectral-line observations of the ISM with a data cube derived from MHD simulations of molecular clouds, it can find differences that are not found by other analyses. The initial results presented here suggest that the inclusion of self-gravity in numerical simulations is critical for reproducing the correlation behavior of spectra in star-forming molecular clouds.

Affiliated with

Also associated with

No associations

Rating

The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps 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 The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Spectral Correlation Function -- A New Tool for Analyzing Spectral-Line Maps will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-660362