Monitoring the winds of hot stars with HST/GHRS |
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| Authors: | Sara R Heap |
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| Institution: | (1) NASA/Goddard Space Flight Center, 20771 Greenbelt, MD, USA |
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| Abstract: | We present observations obtained with the Goddard High Resolution Spectrograph (GHRS) of three O-type stars: per (O7 III), Cep (O6 Iaf) and 10 Lac (O9 V). These observations show evidence of instabilities in the winds of all three stars, although not necessarily those expected from current models of structured winds.Based on observations with the NASA/ESAHubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by AURA for NASA under contract NAS5-26555 |
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| Keywords: | Hubble stellar winds UV variability discrete absorptions wind instabilities |
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