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The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood

  • Yutaka Komiya (a1), Shimako Yamada (a2), Takuma Suda (a1) and Masayuki Y. Fujimoto (a2)

Abstract

We present a new method to investigate the IMF in the early universe from observations of extremely metal-poor (EMP) stars. EMP stars are the low-mass survivors of stars which are formed in the early universe. We can give constraints on the IMF from statistics of the elemental abundances of the EMP stars in the Galactic halo.

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Copyright

References

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Komiya, Y.et al. 2007, ApJ, 658, 367
Komiya, Y., Suda, T., & Fujimoto, Y. M. 2009, ApJ, 694, 1577
Umeda, H. & Nomoto, K. 2002, ApJ, 565, 385
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Keywords

The stellar initial mass function in the early universe revealed from old stellar populations in our neighbourhood

  • Yutaka Komiya (a1), Shimako Yamada (a2), Takuma Suda (a1) and Masayuki Y. Fujimoto (a2)

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