Gliese 229b

Gliese 229b is a very faint brown dwarf that orbits a small, red Main Sequence star known as Gliese 229. It was the first object shown conclusively to be a substellar, brown dwarf.

The binary system Gliese 229 is located about 5.7 parsecs, or 9 light years, from the Solar System.

  • HST image of Gliese 229b

  • Technical data on Gliese 229b

    [back to the topics page] [back to astro 201 home page] [back to astro FAQ home page] [back to current A201 FAQ home page]