Corpus ID: 219708390

Evidence from the H3 Survey that the Stellar Halo is Entirely Comprised of Substructure

@inproceedings{Naidu2020EvidenceFT,
  title={Evidence from the H3 Survey that the Stellar Halo is Entirely Comprised of Substructure},
  author={R. Naidu and C. Conroy and A. Bonaca and B. Johnson and Yuan-sen Ting and N. Caldwell and D. Zaritsky and P. Cargile},
  year={2020}
}
  • R. Naidu, C. Conroy, +5 authors P. Cargile
  • Published 2020
  • Physics
  • In the ΛCDM paradigm the Galactic stellar halo is predicted to harbor the accreted debris of smaller systems. To identify these systems, the H3 Spectroscopic Survey, combined with Gaia, is gathering 6D phase-space and chemical information in the distant Galaxy. Here we present a comprehensive inventory of structure within 50 kpc from the Galactic center using a sample of 5684 giants at |b| > 40◦ and |Z| > 2 kpc. We identify known structures including the high-α disk, the in-situ halo (disk… CONTINUE READING

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