Physics
Scientific paper
Aug 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402..501b&link_type=abstract
Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 501-506
Physics
5
Scientific paper
Stellar populations of the solar neighbourhood can be investigated with the method of the synthetic HR diagrams based on suitable assumptions for the star formation rate, the initial mass function, and the metallicity. The analysis of the HR diagram based on the Hipparcos H30 catalogue (Perryman et al. 1995) allows to infer preliminary indications on metal content, IMF and past history of star formation of the underlying stellar population. This method will show its full capability when the space distribution of stars in the sample and the observational uncertainties will be taken into account after the release of the Hipparcos data.
Bertelli Giampaolo
Bressan Alberto
Chiosi Cesare
Nasi Emma
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