The Hubble diagram in a Bianchi I univers
  The Bianchi I metric describes a homogeneous, but anisotropic universe and is
commonly used to fit cosmological data. A fit to the angular distribution of
740 supernovae of type Ia with measured redshift and apparent luminosity is
presented. It contains an intriguing, yet non-significant signal of a preferred
direction in the sky. The Large Synoptic Survey Telescope being built in Chile
should measure some 500 000 supernovae within the next 20 years and verify or
falsify this signal.
