Chemical Abundances of Metal-poor stars in Dwarf Galaxies

Kim A. Venn; Pascale Jablonka; Vanessa Hill; Else Starkenburg; Bertrand Lemasle; Matthew Shetrone; Mike Irwin; John Norris; David Yong; Gerry Gilmore; Stephania Salvadori; Asa Skuladottir; Eline Tolstoy; A. Bragaglia; M. Arnaboldi; M. Rejkuba; D. Romano

doi:10.1017/S1743921316000107

Chemical Abundances of Metal-poor stars in Dwarf Galaxies

Kim A. Venn, Pascale Jablonka, Vanessa Hill, Else Starkenburg, Bertrand Lemasle, Matthew Shetrone, Mike Irwin, John Norris, David Yong, Gerry Gilmore, Stephania Salvadori, Asa Skuladottir, Eline Tolstoy, A. Bragaglia, M. Arnaboldi, M. Rejkuba, D. Romano

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Stars in low-mass dwarf galaxies show a larger range in their chemical properties than those in the Milky Way halo. The slower star formation efficiency make dwarf galaxies ideal systems for testing nucleosynthetic yields. Not only are alpha-poor stars found at lower metallicities, and a higher fraction of carbon-enhanced stars, but we are also finding stars in dwarf galaxies that appear to be iron-rich. These are compared with yields from a variety of supernova predictions.

Originele taal-2	English
Titel	Proceedings of the International Astronomical Union
Subtitel	(The General Assembly of Galaxy Halos: Structure, Origin and Evolution)
Pagina's	159-163
Aantal pagina's	5
Volume	11
Uitgave	Issue S317
DOI's	https://doi.org/10.1017/S1743921316000107
Status	Published - 2016

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http://adsabs.harvard.edu/abs/2016IAUS..317..159V

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Venn, K. A., Jablonka, P., Hill, V., Starkenburg, E., Lemasle, B., Shetrone, M., Irwin, M., Norris, J., Yong, D., Gilmore, G., Salvadori, S., Skuladottir, A., Tolstoy, E., Bragaglia, A., Arnaboldi, M., Rejkuba, M., & Romano, D. (2016). Chemical Abundances of Metal-poor stars in Dwarf Galaxies. In Proceedings of the International Astronomical Union: (The General Assembly of Galaxy Halos: Structure, Origin and Evolution) ( Issue S317 uitgave, Vol. 11, blz. 159-163) https://doi.org/10.1017/S1743921316000107

@inproceedings{77f8b62ee63c4992b0c8ea093c032365,

title = "Chemical Abundances of Metal-poor stars in Dwarf Galaxies",

abstract = "Stars in low-mass dwarf galaxies show a larger range in their chemical properties than those in the Milky Way halo. The slower star formation efficiency make dwarf galaxies ideal systems for testing nucleosynthetic yields. Not only are alpha-poor stars found at lower metallicities, and a higher fraction of carbon-enhanced stars, but we are also finding stars in dwarf galaxies that appear to be iron-rich. These are compared with yields from a variety of supernova predictions.",

keywords = "stars: abundances, galaxies: dwarf, evolution, Local Group, stellar content",

author = "Venn, {Kim A.} and Pascale Jablonka and Vanessa Hill and Else Starkenburg and Bertrand Lemasle and Matthew Shetrone and Mike Irwin and John Norris and David Yong and Gerry Gilmore and Stephania Salvadori and Asa Skuladottir and Eline Tolstoy and A. Bragaglia and M. Arnaboldi and M. Rejkuba and D. Romano",

note = "M1 - Conference Proceedings",

year = "2016",

doi = "10.1017/S1743921316000107",

language = "English",

volume = "11",

pages = "159--163",

booktitle = "Proceedings of the International Astronomical Union",

edition = " Issue S317",

}

Venn, KA, Jablonka, P, Hill, V, Starkenburg, E, Lemasle, B, Shetrone, M, Irwin, M, Norris, J, Yong, D, Gilmore, G, Salvadori, S, Skuladottir, A, Tolstoy, E, Bragaglia, A, Arnaboldi, M, Rejkuba, M & Romano, D 2016, Chemical Abundances of Metal-poor stars in Dwarf Galaxies. in Proceedings of the International Astronomical Union: (The General Assembly of Galaxy Halos: Structure, Origin and Evolution). Issue S317 edn, vol. 11, blz. 159-163. https://doi.org/10.1017/S1743921316000107

TY - GEN

T1 - Chemical Abundances of Metal-poor stars in Dwarf Galaxies

AU - Venn, Kim A.

AU - Jablonka, Pascale

AU - Hill, Vanessa

AU - Starkenburg, Else

AU - Lemasle, Bertrand

AU - Shetrone, Matthew

AU - Irwin, Mike

AU - Norris, John

AU - Yong, David

AU - Gilmore, Gerry

AU - Salvadori, Stephania

AU - Skuladottir, Asa

AU - Tolstoy, Eline

AU - Bragaglia, A.

AU - Arnaboldi, M.

AU - Rejkuba, M.

AU - Romano, D.

N1 - M1 - Conference Proceedings

PY - 2016

Y1 - 2016

N2 - Stars in low-mass dwarf galaxies show a larger range in their chemical properties than those in the Milky Way halo. The slower star formation efficiency make dwarf galaxies ideal systems for testing nucleosynthetic yields. Not only are alpha-poor stars found at lower metallicities, and a higher fraction of carbon-enhanced stars, but we are also finding stars in dwarf galaxies that appear to be iron-rich. These are compared with yields from a variety of supernova predictions.

AB - Stars in low-mass dwarf galaxies show a larger range in their chemical properties than those in the Milky Way halo. The slower star formation efficiency make dwarf galaxies ideal systems for testing nucleosynthetic yields. Not only are alpha-poor stars found at lower metallicities, and a higher fraction of carbon-enhanced stars, but we are also finding stars in dwarf galaxies that appear to be iron-rich. These are compared with yields from a variety of supernova predictions.

KW - stars: abundances

KW - galaxies: dwarf

KW - evolution

KW - Local Group

KW - stellar content

U2 - 10.1017/S1743921316000107

DO - 10.1017/S1743921316000107

M3 - Conference contribution

VL - 11

SP - 159

EP - 163

BT - Proceedings of the International Astronomical Union

ER -

Chemical Abundances of Metal-poor stars in Dwarf Galaxies

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