stars: individual: GSC 3656─1328

Discovery of a Very Bright, Nearby Gravitational Microlensing Event

We report the serendipitous detection of a very bright, very nearby microlensing event. In late 2006 October, an otherwise unremarkable A0 star at a distance of åisebox-0.5ex 1 kpc (GSC 3656-1328) brightened achromatically by a factor of nearly 40 …