Their fossils are found in the west-African country of Gabon in the Palaeoproterozoic Francevillian B Formation, a 2.1-Gyr-old black shale province.
According its discovery paper, WISE 1617+1807 is a cloudy and young brown dwarf of age about 0.2 (0 to 0.5) Gyr.
According its discovery paper, WISE 2313-8037 is a cloudy and young brown dwarf of age about 0.3 (0 to 0.7) Gyr.
Gyr |
Josy Gyr-Steiner (10 October 1949 – 18 April 2007) was a Swiss politician from the Canton of Schwyz and member of the Swiss National Council (2003–2007).