FLAMINGOS-2 Infrared Photometry of 2I/Borisov

@article{Lee2019FLAMINGOS2IP,
  title={FLAMINGOS-2 Infrared Photometry of 2I/Borisov},
  author={Chien-Hsiu Lee and Hsing-Wen Lin and Ying-Tung Chen and Sheng-Feng Yen},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2019}
}
2I/Borisov is the second interstellar object (ISO) after 'Oumuamua (Meech et al. 2017), but differs from 'Oumuamua drastically with its extensive cometary activity. A key ingredient to understand the nature of this comet is its size. However, due to its cometary activity and extended coma in the optical, only rough estimates and upper limits can be made for 2I/Borisov, ranging in a wide spread from 0.7 to 3.8 km (Guzik et al. 2019; Fitzsimmons et al. 2019; Jewitt, & Luu 2019; Bolin et al. 2019… 
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