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Chemical Evolution of Mn in Three Dwarf Spheroidal Galaxies

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Abstract

Based on an improved model, more reasonable nucleosynthesis and explosion rate of SNeIa and CCSNe, we studied Mn evolution for three local dwarf spheroidal galaxies (dSphs), considering the detailed SNe yield and explosion rates for different types of progenitors. The results can explain the main observation of Mn abundance for tens stars in those dSphs, and give some constraints to the nucleosynthesis and explosion ratio of different types of supernovae and Star Formation Rates (SFR) in those dSphs.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (grant 11273020,11305133), China Scholarship (grant 2011851099), China Postdoctoral Science Foundation (grant 2012T50446), the Scientific Research Funds of Sichuan Provincial Education Department (grant 10ZC014) and the Science Foundation of China West Normal University (grant 11B008).

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Authors and Affiliations

  1. Institute of Theoretical Physics, China West Normal University, Nanchong, 637009, China

    Men-Quan Liu & Jie Zhang

  2. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China

    Men-Quan Liu

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  1. Men-Quan Liu
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  2. Jie Zhang
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Correspondence to Men-Quan Liu.

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Liu, MQ., Zhang, J. Chemical Evolution of Mn in Three Dwarf Spheroidal Galaxies. J Astrophys Astron 35, 443–447 (2014). https://doi.org/10.1007/s12036-014-9249-1

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  • DOI: https://doi.org/10.1007/s12036-014-9249-1

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