The Physical Basis of the Spectral Classification of A, F and G Stars

Details The Physical Basis of the Spectral Classification of A, F and G Stars The Physical Basis of the Spectral Classification of A, F and G Stars

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40..271d&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

H Ii Regions, Ism: Jets And Outflows, Stars: Pre-Main Sequence, Stars: Mass Loss

Scientific paper

We present the first results of a precise scheme for spectral classification for the late B, A, F and early G-type stars. We have used ˜15000 well classified stars from (Hauck & Mermilliod 1998) and with the Strömgren (b-y), [c_1] and [m_1] indices (Strömgren 1951) to define the regions in the [m_1]-[c_1] diagram. We also generate calibrations for the effective temperature (T_{eff}) and the surface gravity.

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