Standard

Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants. / de la Reza, R.; Drake, N.A.

“Circumstellar Dynamics at High Resolution”, ASP Conference Series. Astronomical Society of the Pacific, 2012. p. 441 стр., 51-57.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Harvard

de la Reza, R & Drake, NA 2012, Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants. in “Circumstellar Dynamics at High Resolution”, ASP Conference Series. Astronomical Society of the Pacific, pp. 441 стр., 51-57. <http://adsabs.harvard.edu/abs/2012ASPC..464...51D>

APA

de la Reza, R., & Drake, N. A. (2012). Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants. In “Circumstellar Dynamics at High Resolution”, ASP Conference Series (pp. 441 стр., 51-57). Astronomical Society of the Pacific. http://adsabs.harvard.edu/abs/2012ASPC..464...51D

Vancouver

de la Reza R, Drake NA. Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants. In “Circumstellar Dynamics at High Resolution”, ASP Conference Series. Astronomical Society of the Pacific. 2012. p. 441 стр., 51-57

Author

de la Reza, R. ; Drake, N.A. / Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants. “Circumstellar Dynamics at High Resolution”, ASP Conference Series. Astronomical Society of the Pacific, 2012. pp. 441 стр., 51-57

BibTeX

@inproceedings{8f20783ec5c74f6890dc0207857781ac,
title = "Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants",
abstract = "The existence of K giant stars with high Li abundance continues to challenge the standard theory of stellar evolution. All recent extensive surveys in the Galaxy show the same result: about 1% of the mainly normal slow rotating K giants are Li rich. We explore here a model with two scenarios based on the important relation of Li-rich and Li-poor K giants with IR excesses. In this model, all K giant stars suffer a rapid enrichment and depletion of Li inducing the formation and ejection of circumstellar shells. The observational detection of these shells will not only validate this model, but also will give important hints on the mechanism of Li enrichment of these stars.",
keywords = "late-type stars, chemically peculiar stars, circumstellar shells, stellar winds",
author = "{de la Reza}, R. and N.A. Drake",
year = "2012",
language = "English",
isbn = "978-1-58381-810-7",
pages = "441 стр., 51--57",
booktitle = "“Circumstellar Dynamics at High Resolution”, ASP Conference Series",
publisher = "Astronomical Society of the Pacific",
address = "United States",

}

RIS

TY - GEN

T1 - Can Li-rich K giants eject shells? Assembling the lithium puzzle in K giants

AU - de la Reza, R.

AU - Drake, N.A.

PY - 2012

Y1 - 2012

N2 - The existence of K giant stars with high Li abundance continues to challenge the standard theory of stellar evolution. All recent extensive surveys in the Galaxy show the same result: about 1% of the mainly normal slow rotating K giants are Li rich. We explore here a model with two scenarios based on the important relation of Li-rich and Li-poor K giants with IR excesses. In this model, all K giant stars suffer a rapid enrichment and depletion of Li inducing the formation and ejection of circumstellar shells. The observational detection of these shells will not only validate this model, but also will give important hints on the mechanism of Li enrichment of these stars.

AB - The existence of K giant stars with high Li abundance continues to challenge the standard theory of stellar evolution. All recent extensive surveys in the Galaxy show the same result: about 1% of the mainly normal slow rotating K giants are Li rich. We explore here a model with two scenarios based on the important relation of Li-rich and Li-poor K giants with IR excesses. In this model, all K giant stars suffer a rapid enrichment and depletion of Li inducing the formation and ejection of circumstellar shells. The observational detection of these shells will not only validate this model, but also will give important hints on the mechanism of Li enrichment of these stars.

KW - late-type stars

KW - chemically peculiar stars

KW - circumstellar shells

KW - stellar winds

M3 - Conference contribution

SN - 978-1-58381-810-7

SP - 441 стр., 51-57

BT - “Circumstellar Dynamics at High Resolution”, ASP Conference Series

PB - Astronomical Society of the Pacific

ER -

ID: 4603565