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Stellar chemo-kinematics of isolated dwarf spheroidal galaxies

  • S. Taibi (a1) (a2), G. Battaglia (a1) (a2), M. Rejkuba (a3), N. Kacharov (a4) and M. Zoccali (a5)...

Abstract

The study of dwarf spheroidal galaxies (dSph) is of great importance to understand galaxy evolution at the low-mass end. In the Local Group the majority of them are found to be satellites of the Milky Way or M31. The closest ones have been studied in great detail, however it is hard to constrain if their present-day observed properties are mainly caused by internal or environmental mechanisms. In order to minimize these effects and gain an insight into their intrinsic properties, we are studying two of the three isolated dSph galaxies in the Local Group, i.e. Cetus and Tucana, located far beyond the virial radius of the Milky Way and M31. We present here results from our recently published analysis of Cetus (Taibi2018) and preliminary results for Tucana (Taibi et al. in prep.).

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References

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Taibi, S. et al. 2018, arXiv:1807.04250
Starkenburg, E. et al. 2010, A&A, 513, 34
Leaman, R. et al. 2013, ApJ, 767, 131
Schroyen, J. et al. 2013, MNRAS, 434, 888
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Kirby, E. et al. 2013a, ApJ, 768, 96
Kacharov, N. et al. 2017, MNRAS, 466, 2006
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Stellar chemo-kinematics of isolated dwarf spheroidal galaxies

  • S. Taibi (a1) (a2), G. Battaglia (a1) (a2), M. Rejkuba (a3), N. Kacharov (a4) and M. Zoccali (a5)...

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