NDLI: Yields of Population III Supernovae and the Abundance Patterns of Extremely Metal-Poor Stars

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Yields of Population III Supernovae and the Abundance Patterns of Extremely Metal-Poor Stars

Content Provider	Scilit
Author	Nomoto, K. Tominaga, N. Umeda, H. Kobayashi, C.
Copyright Year	2005
Description	The abundance patterns of extremely metal-poor (EMP) stars provide us with important information on nucleosynthesis in supernovae (SNe) formed in a Pop III or EMP environment, and thus on the nature of the first stars in the Universe. We review nucleosynthesis yields of various types of those SNe, focusing on core-collapse (black-hole-forming) SNe with various progenitor masses, explosion energies (including Hypernovae), and asphericity. We discuss the implications of the observed trends in the abundance ratios among iron-peak elements, and the large C/Fe ratio observed in certain EMP stars with particular attention to recently discovered hyper metal-poor (HMP) stars. We show that the abundance pattern of the HMP stars with [Fe/H] <−5 and other EMP stars are in good accord with those of black-hole-forming supernovae, but not pair-instability supernovae. This suggests that black-hole-forming supernovae made important contributions to the early Galactic (and cosmic) chemical evolution. Finally we discuss the nature of First (Pop III) Stars.
Related Links	https://www.cambridge.org/core/services/aop-cambridge-core/content/view/127CC3BADD4E629AACC88D6EAE031E41/S1743921305005843a.pdf/div-class-title-yields-of-population-iii-supernovae-and-the-abundance-patterns-of-extremely-metal-poor-stars-div.pdf
Ending Page	296
Page Count	10
Starting Page	287
ISSN	17439213
e-ISSN	17439221
DOI	10.1017/s1743921305005843
Journal	Proceedings of the International Astronomical Union
Issue Number	S228
Volume Number	1
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	2005-05-01
Access Restriction	Open
Subject Keyword	Proceedings of the International Astronomical Union Astronomy and Astrophysics Nuclear Reactions Population Ii
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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