Measuring anticlustering in regions of triggered star formation

Details Measuring anticlustering in regions of triggered star formation Measuring anticlustering in regions of triggered star formation

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009a%26a...503..909c&link_type=abstract

Astronomy and Astrophysics, Volume 503, Issue 3, 2009, pp.909-912

Astronomy and Astrophysics

Astrophysics

2

Stars: Formation, Hii Regions, Methods: Statistical

Scientific paper

Context: Statistical methods for quantifying clustering have not yet been tested against anti-clustered data. Aims: We investigate the performance of the normalised correlation length, bar{s}, and Q when applied to anti-clustered data. Methods: We tested the operation of bar{s} on simulated data and recently published observations. Results: bar{s} successfully distinguishes anticlustered data in simulations and indicates anticlustering in an area where it is speculated that triggered star formation has occurred. The existence of radial anticlustering can cause the Q clustering analysis method to malfunction. Users of Q should therefore use bar{s} to rule out anticlustering before applying Q.

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