A radio telescope array at Teide Observatory in the Canary Islands, jointly owned and operated by the UK and Spain. The array consists of 14 radio dishes making observations of the cosmic microwave background. It began operation in 2000 and has been used in three configurations: the Compact Array, with antennae of 0.14-m diameter; the Extended Array, with antennae of 0.32-m diameter; and, from 2006, the Super-Extended Configuration with antennae of 0.61-m diameter giving resolutions down to 0.1 degree.
http://www.mrao.cam.ac.uk/outreach/vsa.html Official telescope website.
Subjects: Astronomy and Astrophysics.