Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...162..140m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 162, no. 1-2, July 1986, p. 140-150. Research supported by the Universita di T
Astronomy and Astrophysics
Astrophysics
60
Astrometry, Bolometers, G Stars, Instrument Errors, Main Sequence Stars, Stellar Temperature, Data Sampling, Diameters, Early Stars, Hertzsprung-Russell Diagram, Stellar Luminosity
Scientific paper
By the analysis of observed energy distributions extending from the UV to the IR, the effective temperature, the gravity and the bolometric correction for a representative sample of nonsupergiant and not chemically peculiar O9-G5 stars are derived in a self-consistent way. The new, improved relationship between the bolometric correction and the effective temperature is then compared to the theoretical or observed ones previously published. The method used permits the derivation of angular diameters for the stars, with an uncertainty on the same order as the errors quoted for interferometric measurements. The importance of these results in the calibration of stellar parameters is stressed and their relevance for a direct comparison between the theoretical and the observational HR diagrams is briefly mentioned.
Kurucz Robert L.
Malagnini Maria Lucia
Morossi Carlo
Rossi Luca
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