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Paper: Two Ultracool Degenerate Companions
Volume: 334, 14th European Workshop on White Dwarfs
Page: 398
Authors: Farihi, J.
Abstract: In the course of an extensive survey for low mass stellar and substellar companions to nearby white dwarfs, two extrememly cool degenerate objects have been discovered. GD 392B is one of only a few known white dwarfs with Teff ≤ 4000 K and exhibits collision induced absorption in the near infrared (177). GD 1400B is the second known L dwarf companion to a white dwarf and a possible brown dwarf (178). Interested readers should consult the references for a complete description of these two cool objects.
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