Bibcode
Alonso, A.; Arribas, S.; Martinez-Roger, C.
Referencia bibliográfica
Astronomy and Astrophysics (ISSN 0004-6361), vol. 297, no. 1, p. 197-215
Fecha de publicación:
5
1995
Número de citas
154
Número de citas referidas
145
Descripción
Bolometric fluxes for 118 dwarfs and subdwarfs with 4000K less than
Teff less than 7000K and +0.5 less than (Fe/H) less than -3.5
are derived by integrating UBVRIJHK photometry. For these stars (typical
of the galactic and globular cluster main sequences) at least 80% of the
energy emitted is measured by those bands. A grid of theoretical model
line-blanketed flux distributions ws used in order to estimate the flux
out-side these photometric bands. The method, based on the use of
synthetic magnitudes, provides bolometric fluxes with an estimated
uncertainty in the order of 2%. The result obtained have been used to
calibrate the bolometric flux versus K, (V-K) and Fe/H), in order to
derive an expression of general application. A by-product of this study
is the bolometric correction for main sequence stars, which is tabulated
for different metallicities. Comparisons of these results with those
obtained by other authors are presented and discussed.