Fornax (abbr. For, gen. Fornacis) The Chemical Furnace, a faint southern constellation created by Lacaille in 1751-52 from several dim stars previously in Eridanus and named by him in honor of the chemist Antoine Lavoisier, who was guillotined in the French Revolution. Its only star brighter than magnitude 4.0 is Alpha For, or Fornacis (visual magnitude 3.80; absolute magnitude 3.05; spectral type F8V; distance 46 light-years; R.A. 03h 12m 04s, Dec. -28° 59' 13"). Extragalactic objects of interest include Fornax A (NGC 1316), the Fornax Dwarf, and the Fornax Cluster.