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Unraveling Disks in AGB Stars

F. Lykou ; J. Hron ; A. A. Zijlstra ; P. C. Tuthill ; B. R. M. Norris ; J. Kluska ; C. Paladini ; E. Lagadec ; M. Wittkowski ; S. Ramstedt ; Matthias Maercker (Institutionen för rymd- och geovetenskap, Onsala rymdobservatorium)
Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau Vol. 71-72 (2015), p. 217-222.
[Konferensbidrag, refereegranskat]

It is commonly accepted that asymmetries found in the post-AGB stars and planetary nebulae should originate as early as during the AGB phase. We present results from our high-angular resolution observing programs, with an aperture masking technique on the VLT, of a sample of evolved stars that were known to present asymmetries at larger spatial scales (e.g. jets, torii and/or bipolar nebulae). Disk-like structures have been found in the vicinity of at least two of these stars.

Denna post skapades 2016-03-23. Senast ändrad 2016-05-13.
CPL Pubid: 233605


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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Onsala rymdobservatorium (2010-2017)


Astronomi, astrofysik och kosmologi

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