On the Synthesis of the Astronomically Elusive 1-Ethynyl-3-Silacyclopropenylidene (c-SiC4H2) Molecule in Circumstellar Envelopes of Carbon-rich Asymptotic Giant Branch Stars and Its Potential Role in the Formation of the Silicon Tetracarbide Chain (SiC4)

2021 ◽  
Vol 908 (2) ◽  
pp. L40
Author(s):  
Zhenghai Yang ◽  
Srinivas Doddipatla ◽  
Ralf I. Kaiser ◽  
Anatoliy A. Nikolayev ◽  
Valeriy N. Azyazov ◽  
...  
Keyword(s):  
Potential Role ◽  
Asymptotic Giant Branch ◽  
Asymptotic Giant Branch Stars ◽  
Circumstellar Envelopes ◽  
Giant Branch Stars

scholarly journals Maser emission during post-AGB evolution

2012 ◽  
Vol 8 (S287) ◽  
pp. 217-224 ◽  
Author(s):  
J.-F. Desmurs
Keyword(s):  
Planetary Nebulae ◽  
Transition Phase ◽  
Asymptotic Giant Branch ◽  
Asymptotic Giant Branch Stars ◽  
Circumstellar Envelopes ◽  
Maser Emission ◽  
Giant Branch Stars ◽  
Short Transition

AbstractThis contribution reviews recent observational results concerning astronomical masers toward post-AGB objects with a special attention to water fountain sources and the prototypical source OH 231.8+4.2. These sources represent a short transition phase in the evolution between circumstellar envelopes around asymptotic giant branch stars and planetary nebulae. The main masing species are considered and key results are summarized.

scholarly journals Stellar masers: a review

2002 ◽  
Vol 206 ◽  
pp. 253-264
Author(s):  
P. J. Diamond
Keyword(s):  
Asymptotic Giant Branch ◽  
Asymptotic Giant Branch Stars ◽  
Circumstellar Envelopes ◽  
Current State ◽  
Giant Branch Stars

I review the current state of studies of masers in the circumstellar envelopes of Asymptotic Giant Branch stars.

scholarly journals Grain Formation in the Winds of Cool Red Giant Stars

2000 ◽  
Vol 177 ◽  
pp. 337-347
Author(s):  
E. Sedlmayr ◽  
J. M. Winters
Keyword(s):  
Dynamical Behavior ◽  
Asymptotic Giant Branch ◽  
Dust Formation ◽  
Asymptotic Giant Branch Stars ◽  
Circumstellar Envelopes ◽  
Giant Stars ◽  
Grain Formation ◽  
Circumstellar Shell ◽  
Red Giant ◽  
Giant Branch Stars

The problem of dust formation in the circumstellar envelopes of Asymptotic Giant Branch stars is reviewed. Special emphasis is put on the consistent modelling of the dust-forming circumstellar shell, where due to a strong coupling the dust formation process governs the dynamical behavior of the object.

scholarly journals Asymptotic giant branch stars in the Large Magellanic Cloud: evolution of dust in circumstellar envelopes

2015 ◽  
Vol 447 (4) ◽  
pp. 2992-3015 ◽  
Author(s):  
F. Dell'Agli ◽  
P. Ventura ◽  
R. Schneider ◽  
M. Di Criscienzo ◽  
D. A. García-Hernández ◽  
...  
Keyword(s):  
Large Magellanic Cloud ◽  
Magellanic Cloud ◽  
Asymptotic Giant Branch ◽  
Asymptotic Giant Branch Stars ◽  
Circumstellar Envelopes ◽  
Cloud Evolution ◽  
Giant Branch Stars

scholarly journals Obscured Asymptotic Giant Branch Stars in the Magellanic Clouds

1999 ◽  
Vol 190 ◽  
pp. 387-388
Author(s):  
Jacco Th. van Loon
Keyword(s):  
Mass Loss ◽  
Magellanic Clouds ◽  
Asymptotic Giant Branch ◽  
Ongoing Study ◽  
Asymptotic Giant Branch Stars ◽  
Agb Stars ◽  
Circumstellar Envelopes ◽  
Giant Branch Stars

I present results from an ongoing study of the evolution and mass loss of AGB stars with optically thick circumstellar envelopes in the Magellanic Clouds.

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