Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...171..342s&link_type=abstract
Astronomy and Astrophysics, Vol.171, NO. 1/2/JANI, P. 342, 1987
Astronomy and Astrophysics
Astrophysics
9
Scientific paper
The related problems of estimating individual parallaxes and of estimating mean absolute magnitudes considered in the first paper of this series are reexamined, this time including observational selection according to a lower limit on proper motion. Instead of determining a correction for the entire sample, we apply a correction (in a manner of speaking) to individual parallax estimates. The relation of the formulation used here to conventional statistical parallax methods is pointed out, and a new method is outlined that remedies the deficiencies of the latter and in addition allows (but does not require) trigonometric parallaxes to be incorporated in the solution.
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