DELTA SCORPII AN INFRARED DEFICIENT STAR AND THE VALUE OF R FOR THE SCORPIUS REGION
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Observatorio Astrofísico de Tonantzintla, Pue, Pue, Mex
Abstract
d Sco, a BO V star, was used among others in a previous determination of R for the Scorpius region. In this investigation it is shown that d Sco is a peculiar star with a conspicuous infrared deficiency. A new value of R for Scorpius is suggested.