On the origin of high Doppler velocity wings in the spectra of O-rich AGB stars

Millimetre ALMA observations of the nascent winds of several Oxygen rich AGB stars have revealed the high Doppler velocity wings in their spectra. However, the physics underlying their production is unclear. In this paper, we illustrate the argument with four examples of oxygen-rich AGB stars: EP Aq...

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Veröffentlicht in:	EPJ Web of conferences 2020, Vol.240, p.5001
Hauptverfasser:	Hoai, Do Thi, Nhung, Pham Tuyet, Tuan-Anh, Pham, Darriulat, Pierre, Diep, Pham Ngoc, Phuong, Nguyen Thi, Thai, Tran Thi
Format:	Artikel
Sprache:	eng
Schlagworte:	Asymptotic giant branch stars Doppler effect
Online-Zugang:	Volltext
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Zusammenfassung:	Millimetre ALMA observations of the nascent winds of several Oxygen rich AGB stars have revealed the high Doppler velocity wings in their spectra. However, the physics underlying their production is unclear. In this paper, we illustrate the argument with four examples of oxygen-rich AGB stars: EP Aqr, R Dor, L2 Pup and Mira Ceti.
ISSN:	2100-014X 2101-6275 2100-014X
DOI:	10.1051/epjconf/202024005001