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The Impact of Reddening on the Observed Fluxes of a Stars

Published online by Cambridge University Press:  12 April 2016

Piercarlo Bonifacio  and
Fiorella Castelli
Piercarlo Bonifacio
Affiliation:
Scuola Internazionale Superiore di Studi Avanzati Strada Costiera 11 34014 Trieste
Fiorella Castelli
Affiliation:
CNR-Gruppo Nazionale Astronomia-Unità di Ricerca di Trieste Via G.B. Tiepolo 11 34131 Trieste

Abstract

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We compare observed ultraviolet and visible flux distributions, for a sample of A-type stars, with computed fluxes obtained with version 9 of the ATLAS code (Kurucz, 1970) in order to asses the impact of reddening. We also make a comparison between determinations of reddening from UV colour indices and visible wide band (Johnson) and intermediate band (Strömgren) colour indices. We discuss the implications on the study of slightly reddened high galactic latitude stars.

Type
I. General Properties of CP Stars
Information
International Astronomical Union Colloquium , Volume 138: Peculiar versus Normal Phenomena in A-Type and Related Stars , 1993 , pp. 143 - 148
Copyright
Copyright © Astronomical Society of the Pacific 1993

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