Galactic evolution and star counts in the Milky Way

Details Galactic evolution and star counts in the Milky Way Galactic evolution and star counts in the Milky Way

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.156....9r&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

1

Galactic Evolution, Milky Way Galaxy, Star Distribution, Astronomical Photometry, Color-Color Diagram, Galactic Structure, Star Formation, Stellar Magnitude

Scientific paper

A model of population synthesis for the Galaxy is used to estimate the constraints imposed by photometric and astrometric star counts. A statistical method is constructed to compute the degree of compatibility of the model with the data in the form of a multidimensional function f(V, B - V, U - B, mn). The method is applied to the determination of the star formation history in the Galaxy from Schmidt plates toward the anticenter. Although the presently available data do not allow firm conclusions to be drawn, it is shown that the same kind of data with a slightly better photometric accuracy and with proper motions would give new constraints on the past star formation rate of the Galaxy.

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