Expanding the Y Dwarf Census with Spitzer Follow-up of the Coldest CatWISE Solar Neighborhood Discoveries.

@article{Meisner2019ExpandingTY,
  title={Expanding the Y Dwarf Census with Spitzer Follow-up of the Coldest CatWISE Solar Neighborhood Discoveries.},
  author={A. Meisner and D. Caselden and J. Kirkpatrick and F. Marocco and C. Gelino and M. Cushing and P. Eisenhardt and E. Wright and J. Faherty and Renata Koontz and Elijah J. Marchese and Mohammed Khalil and J. Fowler and E. Schlafly},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2019}
}
We present Spitzer 3.6$\mu$m and 4.5$\mu$m follow-up of 170 candidate extremely cool brown dwarfs newly discovered via the combination of WISE and NEOWISE imaging at 3$-$5$\mu$m. CatWISE, a joint analysis of archival WISE and NEOWISE data, has improved upon the motion measurements of AllWISE by leveraging a $>$10$\times$ time baseline enhancement, from 0.5 years (AllWISE) to 6.5 years (CatWISE). As a result, CatWISE motion selection has yielded a large sample of previously unrecognized brown… Expand
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