Published July 1, 2017 | Version v1

Late O Giants and the Weak Wind Problem

  • 1. Laboratoire Lagrange, UMR 7293, Université de Nice-Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, 06108 Nice, France; Observatório do Valongo, Universidade Federal do Rio deJaneiro, 20080-090 Rio de Janeiro, Brazil
  • 2. Observatório do Valongo, Universidade Federal do Rio deJaneiro, 20080-090 Rio de Janeiro, Brazil
  • 3. Observatório Nacional, 20921-400 Rio de Janeiro, Brazil

Description

We analysed O giants through UV and optical spectroscopy using the code CMFGEN. We conclude that these stars show weak winds and are at the transition region in luminosity for such issue.

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RMxAC..49_oral32.pdf

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