Overview

Quick Facts

  • First Light target – 2022
  • Location – Las Campanas Observatory, Chile
  • Altitude of site – 8,254 feet (2,516 meters)
  • Height of telescope housing – 200 feet (61 meters)
  • Moving weight of telescope – 2,425,085 pounds (1,100 tons)
  • Weight of each finished mirror segment
    • Outer off-axis segments 33,000 lbs (16.5 tons)
    • Center segment 30,000 lbs (15 tons)
  • Diameter of each mirror – 28 feet (8.4 meters)
  • Effective diameter of all mirrors – 83.5 feet (24.5 meters)
  • Total collecting area of mirrors – 3,961 sq. feet (368 sq. meters)
  • Mounting type – altitude/azimuth
  • Wavelength sensitivity of telescope – Near infrared and visible (320–25000 nanometers)