e/HD 154857 c

Information
has gloss	eng: HD 154857 c is an unconfirmed extrasolar planet located approximately 224 light-years away in the constellation of Ara, orbiting the star HD 154857. This planet takes at least 1900 days (5.2 years) to orbit the star. It was discovered on 9 February 2007 by O’Toole in Australia using the method Doppler spectroscopy, along with HD 23127 b and HD 159868 b. The orbit has not yet been completely observed, so the values quoted are lower limits. The best fit solution gives a period of 7.94 years and a minimum mass of 18.4 Jupiter masses, which would imply that it is in fact a brown dwarf.
lexicalization	eng: HD 154857 c
instance of	c/Hypothetical extrasolar planets