CWISEP J193518.59$-$154620.3: An Extremely Cold Brown Dwarf in the Solar Neighborhood Discovered with CatWISE.

@article{Marocco2019CWISEPJA,
  title={CWISEP J193518.59\$-\$154620.3: An Extremely Cold Brown Dwarf in the Solar Neighborhood Discovered with CatWISE.},
  author={Federico Marocco and Dan Caselden and Aaron M. Meisner and J. Davy Kirkpatrick and Edward L. Wright and Jacqueline K. Faherty and Christopher Ryan Gelino and Peter R. M. Eisenhardt and John Wesley Fowler and Michael C. Cushing and Roc Michael Cutri and Nelson Garc{\'i}a and Thomas Harold Jarrett and Renata Koontz and Amanda Kathryn Mainzer and Elijah J. Marchese and Bahram Mobasher and David J. Schlegel and Daniel Stern and Harry I. Teplitz Jet Propulsion Laboratory and Caltech and Usa and Ipac and Gigamon Atr and National Optical Astronomy Observatory and Ucla and American Museum of Natural History and 230 Pacific St. and Apt. 205 and Santa M{\^o}nica and Ça and University of Toledo and University of Cape Town and UC Riverside and Lawrence Berkeley National Laboratory},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2019}
}
  • Federico Marocco, Dan Caselden, +32 authors Lawrence Berkeley National Laboratory
  • Published 2019
  • Physics
  • arXiv: Solar and Stellar Astrophysics
  • We present the discovery of an extremely cold, nearby brown dwarf in the solar neighborhood, found in the CatWISE catalog (Eisenhardt et al., in prep.). Photometric follow-up with Spitzer reveals that the object, CWISEP J193518.59-154620.3, has ch1$-$ch2 = 3.24$\,\pm\,$0.31 mag, making it one of the reddest brown dwarfs known. Using the Spitzer photometry and the polynomial relations from Kirkpatrick et al. (2019) we estimate an effective temperature in the $\sim$270--360 K range, and a… CONTINUE READING

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