Discovery of the Widest Very Low Mass Binary

@article{Artigau2007DiscoveryOT,
  title={Discovery of the Widest Very Low Mass Binary},
  author={'Etienne Artigau and D. Lafren{\`i}ere and R. Doyon and L. Albert and D. Nadeau and J. Robert},
  journal={The Astrophysical Journal},
  year={2007},
  volume={659}
}
  • 'Etienne Artigau, D. Lafrenìere, +3 authors J. Robert
  • Published 2007
  • Physics
  • The Astrophysical Journal
  • We report the discovery of a very low mass binary system (primary mass <0.1 M☉) with a projected separation of ~5100 AU, more than twice that of the widest previously known system. A spectrum covering the 1-2.5 μm wavelength interval at R ~ 1700 is presented for each component. Analysis of the spectra indicates spectral types of M6.5 V and M8 V, and the photometric distance of the system is ~62 pc. Given that previous studies have established that no more than 1% of very low mass binary systems… CONTINUE READING
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