On the accuracy and precision of extinctions derived from general star counts

Details On the accuracy and precision of extinctions derived from general star counts On the accuracy and precision of extinctions derived from general star counts

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85.1218r&link_type=abstract

Astronomical Journal, vol. 85, Sept. 1980, p. 1218-1228.

Astronomy and Astrophysics

Astronomy

17

Error Analysis, Galactic Structure, Hydrogen Clouds, Interstellar Gas, Star Distribution, Gas Density, Interstellar Extinction, Molecular Gases, Random Errors, Statistical Analysis

Scientific paper

The accuracy and the applicability of the method of general star counts are discussed. The effects of statistical errors, pseudorandom errors, systematic errors, and sampling errors are considered. The conditions under which quantitatively useful results can be derived are identified. It is found that for plates reaching 17th to 20th mag, general star counts can be a useful technique for investigating the structure of dark cloud complexes located within 500 to 1000 pc of the sun.

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