Internet Archive Scholar

The photosphere and circumstellar environment of the Be star Achernar

Daniel M. Faes, Armando Domiciano de Souza, Alex C. Carciofi, Philippe Bendjoya
2014 Proceedings of the International Astronomical Union  

Preserved Fulltext

fulltext thumbnail
Web Archive Capture PDF (300.7 kB)
https://web.archive.org/web/20180725202655/https://www.cambridge.org/core/services/aop-cambridge-core/content/view/04071B0462AF5B9BB0577EEE053744EE/S1743921314006905a.pdf/div-class-title-the-photosphere-and-circumstellar-environment-of-the-be-star-achernar-div.pdf

A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL. The file type is application/pdf.

Achernar is a key target to investigate high stellar rotation and the Be phenonemon. It is also the hottest star for which detailed photospheric information is available. Here we report our results to determine the photospheric parameters of Achernar and evaluate how the emission of a Viscous Decretion Disk (VDD) around it would be observable. The analysis is based on interferometric data (PIONIER and AMBER at ESO-VLTI), complemented by spectroscopy and polarimetry for the circumstellar
more » ... . For the first time fundamental parameters of a Be photosphere were determined. The presence of a residual disk at the quiescent phase and some characteristics of the new formed disk (2013 activity) are also discussed. This is rare opportunity to precisely determine the stellar brightness distribution and evaluate the evolution of a just formed Be disk.
doi:10.1017/s1743921314006905 fatcat:cwtn62z5azgfxfoaqfqdjh7wpy
Citation

Daniel M. Faes, Armando Domiciano de Souza, Alex C. Carciofi, Philippe Bendjoya. "The photosphere and circumstellar environment of the Be star Achernar." Proceedings of the International Astronomical Union 9.S307 (2014) 261-266