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IRC+10216 mass loss properties through the study of 3mm emission: Large spatial scale distribution of SiO, SiS, and CS
L. Velilla-Prieto, J. Cernicharo, M. Agúndez +4
The study of the gas in the envelopes surrounding asymptotic giant branch (AGB) stars through observations in the millimetre wavelength range provides information about the history…
Circumstellar envelopes of semi-regular long-period variables: mass-loss rate estimates and general model-fitting of the molecular gas
J. J. Díaz-Luis, J. Alcolea, V. Bujarrabal +4
We aim to study the main properties of a volume-limited unbiased sample of well-characterized semi-regular variables (SRs) in order to clarify important issues, such as the formati…
A rotating fast bipolar wind and disk system around the B[e]-type star MWC 922
C. Sánchez Contreras, A. Báez-Rubio, J. Alcolea +4
We present interferometric observations with the Atacama Large Millimeter Array (ALMA) of the free-free continuum and recombination line emission at 1 and 3mm of the "Red Square Ne…
Interferometric observations of SiO thermal emission in the inner wind of M-type AGB stars IK Tauri and IRC+10011
J. L. Verbena, V. Bujarrabal, J. Alcolea +2
Context. AGB stars go through a process of strong mass-loss that involves pulsations of the atmosphere, which extends to a region where the conditions are adequate for dust grains…